Ingxelo eBanzi yoHlalutyo kwiMiyeko yeSicelo soGcino lweNdlela yeNdlela

1. Isishwankathelo

Le ngxelo ijolise ekuphononongeni ngokubanzi kunye nokuhlalutya nzulu iimeko ezahlukeneyo zezicelo zoohola bendlela kwiinkqubo zokhuseleko ezindleleni. Njengamaziko abalulekileyo okhuseleko lwendlela, iindawo zokugada zisebenza ngaphaya kokuzibekela bucala. Zinciphisa ngokuphawulekayo iingozi zeemoto ezindleleni yaye zinciphisa iingozi zeenqwelo-mafutha ngokufunxa amandla eemoto ezintlithekileyo, ukukhokela izithuthi kakuhle, ukwalathisa amehlo omqhubi, nokuthintela abahambi ngeenyawo ukuba banqumle. Le ngxelo iya kucacisa ngemithetho-siseko kunye nengqwalasela yofakelo lwesiporo sokugada kwiindawo eziqhelekileyo zeendlela ezifana necala lendlela, i-medians esembindini, kunye nebhulorho netonela yokungena/iindlela zokuphuma, inabela kwizicelo ezikhethekileyo zeendlela zokugada zabahamba ngeenyawo nezingezomoto kwiindlela zasezidolophini.

Uyilo kunye nokukhethwa kweendlela zokugada azisekelwanga kwingqwalasela enye kodwa zihlengahlengiswa ngokuguquguqukayo ngokwezinto ezahlukeneyo ezifana neempawu zejometri zendlela, umthamo wezithuthi, ukubunjwa kwesithuthi, kunye neengozi ezinokuthi zibekho. Umzekelo, kumagophe abukhali, amathambeka, okanye amacandelo aphakamileyo anqatyisiweyo, inqanaba lokhuseleko leentsimbi zokugada kufuneka liphakanyiswe ngokufanelekileyo. Ngaphezu koko, uphuhliso oluqhubekayo lwetekhnoloji ye-Guardrail, efana nokusetyenziswa kweendlela zokujikeleza ze-barrel zokunqanda ukungqubuzana kunye neengqungquthela zokukhusela ezidibeneyo, kubonisa ukuphononongwa okuqhubekayo kubunjineli ukunyusa ukusebenza kokhuseleko, ukunyusa iindleko-ukusebenza, kunye nokuqinisekisa ukuhambelana nokusingqongileyo. Olu phuhliso lubonisa indlela eya kulwakhiwo lweziseko ezingundoqo olukrelekrele noluzinzileyo.

2. intshayelelo

2.1 Indima kunye nokubaluleka koKhuseleko kwiiNkqubo zoKhuseleko eziNdleleni

Iinrayile zoohola bendlela yinxalenye yokhuseleko oluyimfuneko kwiziseko zophuhliso lwezothutho zala maxesha, umsebenzi wazo ongundoqo ikukuqinisekisa ngenkuthalo okanye ngokungenzi nto ukhuseleko lwabasebenzisi bendlela. Ukususela kumbono wokukhusela, owona msebenzi uphambili we-guardrails kukuthintela izithuthi eziphuma ngaphandle kokulawula ukuba ziphambuke kwindlela ezijoliswe kuyo, zithintele ukuba zibaleke endleleni, zingene kwiindlela ezichasayo, okanye ziwele kwiindawo ezinomngcipheko ophezulu ezifana neebhulorho okanye izakhiwo eziphakamileyo, ngaloo ndlela zithintele ngokufanelekileyo iingozi zendlela. Le ndlela yokukhusela ifunxa amandla amakhulu aveliswa ngexesha lokungqubana kwezithuthi kwaye iqinisekisa ukuba izithuthi zivaliwe ngokufanelekileyo okanye ziqondiswe ngokutsha emva kwempembelelo, ngaloo ndlela kuncitshiswa ukonzakala kwabantu kunye nomonakalo wepropathi.

Nangona kunjalo, indima yokugada idlulela ngaphaya koku. Baphinde basebenze umsebenzi osebenzayo wesikhokelo sokhuseleko, umzekelo, ngesakhiwo sabo esiqhubekayo esikhokelela ekuboneni umqhubi, ngokukodwa ebusuku okanye kwiimeko zemozulu ezimbi kunye nokubonakala okuphantsi, ukubonelela abaqhubi imida yendlela ecacileyo kunye nesikhokelo. Kwangaxeshanye, njengezixhobo zokwahlukaniswa ngokwasemzimbeni, iintsika zokhuseleko zithintela abahambi ngeenyawo ngokufanelekileyo ekuweleni iindledlana zeemoto ngokungakhethiyo, ukugcina ucwangco lwezithuthi kunye nokuqinisekisa ukhuseleko lwabahambi ngeenyawo. Le nxaxheba imbini-ukhuseleko olungeyomfuneko kunye nesikhokelo esisebenzayo-iquka umgaqo-siseko "wokujoliswe ebantwini, ukhuseleko kuqala" kuyilo lokhuseleko ezindleleni. Lo mgaqo ubeka phambili ubomi bomntu kwaye unciphisa ingozi, ukodlula nje imfezeko yesakhiwo okanye uqwalaselo lobuchule bezithuthi, kwaye ube lixabiso lentlalo elizinziswe ngokunzulu kulwakhiwo lweziseko ezingundoqo. Uyilo lwe-Guardrail alugxininisi kuphela ekuphenduleni okuguquguqukayo kwesithuthi ngexesha leengozi kodwa kwakhona kujongwa kwingqwalasela yokuziphatha kunye nokuqonda komntu, ngaloo ndlela kwakheka inkqubo ebanzi nesulungekileyo yokhuseleko ezindleleni.

2.2 INgxelo yeeNjongo, uMda kunye noLwakhiwo

Le ngxelo ijonge ukuphonononga ngokubanzi iimeko zesicelo seendlela zokugada kwiindlela ezahlukeneyo zokusingqongileyo ezintsonkothileyo, ukuhlalutya nzulu iimpawu zabo zokusebenza, imigaqo yoyilo, kunye nokuqwalaselwa kokhetho. Umda wale ngxelo uya kugubungela izicelo zokugada koohola bendlela, iindlela zasezidolophini, nakulawulo lwezothutho lwexeshana, kwaye iya kuphonononga ifuthe lazo kukhuseleko lwezithuthi, abahambi ngeenyawo, kunye nezithuthi ezingasebenzisi zimoto. Ulwakhiwo lwengxelo luza kucacisa ngokucwangcisiweyo ngemisebenzi yokulinda, ukuhlelwa, iimeko zesicelo eziqhelekileyo, ingcamango yoyilo, kunye nophuhliso lwexesha elizayo, ukuzama ukubonelela ngereferensi enegunya kunye nesebenzayo kwiingcali kwiinkalo ezifanelekileyo.

3. ImiSebenzi eSisiseko kunye noHlelo lweZithinteli

3.1 ImiSebenzi yoKhuseleko olungundoqo lweZithinteli

I-Guardrails idlala iindima ezininzi ezibalulekileyo kukhuseleko lwezithuthi ezindleleni, kunye nemisebenzi yazo ephambili kubandakanya:

• Ukuthintela ukutenxa kwesithuthi, ukungena, ukushwabadela, okanye ukubaleka ngaphantsi: Lo ngowona msebenzi usisiseko nobalulekileyo weentsimbi zokulinda. Xa isithuthi sitenxa kwindlela yaso eqhelekileyo yokuqhuba ngenxa yezizathu ezahlukahlukeneyo (umzekelo, ukulahlekelwa kulawulo, ukuqhuba ngokudinwa, ukubaleka), iintsimbi zokugada zinokusivala ngokufanelekileyo, zithintele isithuthi ukuba singaphumi ecaleni kwendlela, singene kwiindlela ezichasayo, okanye siwe sisuka kwiindawo eziphakamileyo njengeebhulorho okanye izakhiwo eziphakamileyo, ngaloo ndlela kuthintelwa iingozi eziqatha.
• Ukufunxa amandla ongquzulwano ukunciphisa ilahleko yengozi: Ii-Guardrails zenzelwe ukufunxa amandla okungqubana kwesithuthi ngotshintsho lwazo lwesakhiwo okanye, kwezinye iimeko, ngokunyanzela isithuthi ukuba sinyuke. Le ndlela yokufunxa amandla inciphisa kakhulu amandla empembelelo kwisithuthi kunye nabahlali bayo, ngaloo ndlela kuncitshiswe iingozi kunye nomonakalo wepropati. Uyilo lwe-Guardrail alugxininisi kuphela ekuthinteleni izithuthi ukuba zishiye indlela kodwa, kubaluleke kakhulu, ekulawuleni imiphumo emva kokuba isithuthi sishiye indlela, kubandakanywa nokunciphisa ukulimala kwabantu kunye nokukhusela izingozi zesibini. Oku kubonisa ukuba uyilo lwe-guardrail lubandakanya ukuqonda okuntsokothileyo kokutshintsha kwezithuthi kunye ne-biomechanics yabantu ukufezekisa iziphumo ezikhuselekileyo kwiimeko zokungqubana.
• Ukukhokela isithuthi sakho kunye nokugcina imeko eqhelekileyo yokuqhuba: Abalindi kufuneka babe nesakhono sokukhokela esilungileyo, okuthetha ukuba emva kokuba isithuthi singquzulane, kufuneka basikhokele ngokutyibilikayo ukusibuyisela kwicala ebesiqhuba ngalo, sithintele isithuthi ekubhukuqekeni, ekujikeni, okanye kwezinye iimeko ezinobungozi ezinokukhokelela kwiingozi zesibini. Ukugcinwa kwesikhuseli kunye nokusebenza okukhokelayo kweentsimbi zokulinda zizalathisi ezibalulekileyo zokhuseleko lwazo.
• Ukukhokela umbono womqhubi kunye nokuthintela ukunqumla kwabahambi ngeenyawo: Ulwakhiwo oluqhubekayo lweentsimbi zokulinda lubalulekile ekukhokeleni amehlo omqhubi, ngakumbi ebusuku okanye kwiimeko zemozulu embi, njengoko kuphucula ukubonakala kwendlela kwaye kunceda abaqhubi bagcine icala elichanekileyo lokuqhuba. Kwangaxeshanye, njengesithintelo esibonakalayo, iinkangeleko zokhuseleko zithintela abahambi ngeenyawo ekuweleni indlela ngokungakhethiyo, ngaloo ndlela kugcinwe ucwangco lwezithuthi nokuqinisekisa ukhuseleko lwabahambi ngeenyawo. Olu qwalaselo lwemiba yokusingqongileyo (efana nelitha le-headlight) kunye nokuziphatha komntu (umbono womqhubi, indawo yokuwela abahambi ngeenyawo) kwandisa umda wokusebenza weentsimbi zokugada, zizenze zibe licandelo lolawulo lomngcipheko olunamacala amaninzi ngaphakathi kwenkqubo yokhuseleko ezindleleni, ngaphaya kokhuselo nje olubonakalayo lokuntlitheka.

3.2 Iindidi zoLwakhiwo kunye neeMpawu zeZithinteli

Ii-Guardrails ziza kwiindidi ezahlukeneyo zesakhiwo, kwaye ukhetho lwazo luxhomekeke kwimeko yendlela, iimfuno zoyilo, kunye nenqanaba lokhuseleko elilindelekileyo. Ngokusekwe kwiqondo loguquko emva kongquzulwano, iitrayile zonogada zinokuhlelwa zibe ziintlobo eziqinileyo, ezisingqinisiso, kunye neziguquguqukayo.

• ImiGaqo engqongqo:

• Ummeli oPhambili: Iintsimbi zokulinda eziphathekayo.
• iimpawu: Yomelele ngokwesakhiwo, ayikhubeki lula xa ichaphazeleka, ifunxa amandla ongquzulwano ngokunyanzela isithuthi ukuba sinyuke. Ngenxa yobume babo obuqinileyo, banqanda ukungena kwesithuthi, kodwa impembelelo kwisithuthi kunye nabahlali ngexesha lokungqubuzana kunokubaluleka.
• Iimeko eziqhelekileyo eziSebenzayo: Ifanele amacandelo apho kufuneka ukuguqulwa okuncinci okanye ukungqubana kwamandla aphezulu kufuneka kuxhathiswe, njengama-medians asembindini weendlela, amacala angaphandle eebhulorho, kunye namacandelo anomlinganiselo ophezulu wezithuthi ezinkulu.
• ImiGaqo yoKhuseleko eSemi-Rigid:

• Ummeli oPhambili: Iintsimbi zokugada ze-W-beam kunye neentsimbi zokulinda zebhokisi.
• iimpawu: Ukutyhubela iqondo elithile loguquko phezu kwempembelelo, ukufunxa amandla ngolu tshintsho, ngelixa unesikhokelo esilungileyo, uvumela izithuthi ezingqubanayo zibuyele ngokutyibilikayo kwicala lazo lesiqhelo lokuqhuba. I-W-beam guardrails lolona hlobo luqhelekileyo.
• Iimeko eziqhelekileyo eziSebenzayo: Isetyenziswe ngokubanzi kwiindlela zendlela, i-medians ephakathi, kunye nezinye iimeko ezahlukeneyo, ngakumbi kumacandelo afuna ukulingana phakathi kokusebenza okukhuselekileyo kunye nendawo ethile yokuguqulwa.
• Izikhuselo eziguquguqukayo:

• Ummeli oPhambili: Iindlela zokugada ngekhebula.
• iimpawu: Ixhaswe ziintambo ezixineneyo (iintambo zentsimbi), ezinomthamo obalulekileyo wokuguga, zifunxa ngokufanelekileyo amandla ongquzulwano. Inzuzo yabo ilele ekukhuseleni okusebenzayo kunye nokunciphisa umonakalo wesithuthi. Nangona kunjalo, ngenxa yokuguqulwa kwazo okukhulu, azifanelekanga kumacandelo ane-curve radii encinci.
• Iimeko eziqhelekileyo eziSebenzayo: Ilungele amacandelo afuna indawo enkulu yesithinteli nalapho iimfuno zoguquko zithambile.

Amanqaku abongezelelweyo kwiiFom zeZakhiwo eziqhelekileyo:

• I-W-beam Guardrails: Olona hlobo luqhelekileyo lwesithintelo sokukhusela, olubandakanya iiplanga ezinqamlekileyo ezinqamlekileyo kunye nezixhaso ze-cylindrical, kunye neenzuzo zokufakela okulula kunye nokufanelekileyo kunye neendleko eziphantsi.
• Box Beam Guardrails: Sebenzisa intsimbi enkulu efana nebhokisi njengemiqadi, ilungele izahluli ezimxinwa.
• ImiGaqo edityanisiweyo: Hlanganisa iingenelo zezinto ezahlukeneyo okanye iifom zesakhiwo, ezifana ne-W-beam steel guardrails ezidibeneyo. Ezi njongo zokugada zijolise ekulinganiseni iinjongo zoyilo ezininzi, ezinjengokufikelela kwisakhono esiphezulu sokuchasana nongquzulwano (umzekelo, inqanaba le-SBm) ngelixa kusetyenziswa ububanzi obuncinci bokuqhuba, ukubonelela ngemigca elungileyo, kulula ukuyifaka, kunye neendleko eziphantsi. Nangona kunjalo, kufuneka kuqatshelwe ukuba iirayili ezidityanisiweyo eziphambili zinemida ethile kubuchule bazo bokukhusela. Umzekelo, kwiitoni ezingama-49 zeetoni ezisindayo zesemi-trailer ezinamandla amakhulu okuqala e-kinetic, i-W-beam guardrails ayinakukwazi ukufunxa ngokupheleleyo amandla ngoguquko lwazo kwaye ibathintele ekungeneni kumbindi we-median.⁵ Oku kubonisa ukuba njengoko umyinge wezithuthi ezikhulu kuhlobo lwezithuthi zinyuka, itekhnoloji ekhoyo ye- guardrail isajongene nemingeni, efuna ukusungulwa kwezinto ezintsha zobuchwepheshe ukumelana neemeko zontlitheko olugqithisileyo.

Izixhobo eziNcedisayo:

Ukongeza kulwakhiwo oluphambili, iinkqubo zokugada zihlala zidibanisa izixhobo ezahlukeneyo zokuncedisa ukuqhubela phambili ukhuseleko ezindleleni:

• Izixhobo zokunqanda ukulitha: Ifakwe kwiindlela zokulinda eziphakathi, ezifana ne-anti-glare panels, i-anti-glare panels, i-metal nets, okanye imithi etyalwe kwi-median (umz., i-privet, i-azaleas), ejoliswe ukuthintela ilitha kwizibane zemoto ezizayo ukuba zichaphazele abaqhubi, ukuqinisekisa ukhuseleko kunye nokuhamba kakuhle ebusuku. Ngokomzekelo, kwicala langaphakathi leebhulorho, ngaphandle kwamacandelo anee-anti-litter net, amanye amacandelo anokufakwa kunye ne-green synthetic resin okanye i-fiberglass anti-glare panels, enee-angles ezichasene ne-glare.
• Izixhobo zokukhusela: Okufana namagubu akhuselayo (ngokwesiqhelo izikhongozeli zeplastiki ezityheli ezizaliswe ngamanzi), imigqomo yokunqanda ukungqubana, okanye iikhushini zokuntlitheka, ezifakelwe phambi kwezakhiwo ezizinzileyo ezifana nencam yendlela, iingqameko zendlela, okanye iimpawu zendlela, ezisetyenziselwa ukunciphisa ifuthe lokuntlitheka kwezithuthi kunye nokuthintela ukonzakala kwabantu.
• Izixhobo zokulumkisa: Izibane ezidanyazayo ezifakelwe kumhlukano wendlela ziphela ukulumkisa abaqhubi beendawo zamasebe. Iipali zekhephu zifakwe ecaleni kwegxalaba lasekhohlo kunye ne-median yeendlela njengesikhokelo esibonakalayo kunye neethagethi zomsebenzi wokususwa kwekhephu xa ukubonakala kungalunganga ngenxa ye-blizzards.

Itheyibhile 1: Iintlobo ze-Guardrail, iimpawu zabo eziphambili, kunye neemeko ezisebenzayo

uhlelo	Uhlobo loMmeli oPhambili	iimpawu	Iimeko eziSebenzayo eziqhelekileyo
Ii-Guardrails eziqinileyo	Concrete Guardrails	Ayikhubeki lula; ifunxa amandla ngokunyanzela izithuthi ukuba zinyuke; umgangatho ophezulu wokukhusela, kodwa unokubangela impembelelo ebalulekileyo kwizithuthi kunye nabahlali; elungele ukugcinwa.	abaphakathi abaphakathi; amacala angaphandle eebhulorho; amacandelo anomlinganiselo ophezulu wezithuthi ezinkulu; amacandelo afuna deformation encinci.
Semi-Rigid Guardrails	W-beam Guardrails, Box Beam Guardrails	Ukutyhubela inguquko ethile phezu kwempembelelo, ukufunxa amandla ngoguquko; isikhokelo esihle; olona hlobo luqhelekileyo; ufakelo olulula noluluncedo, ixabiso eliphantsi ngokwentelekiso.	Iindlela; abaphakathi abaphakathi; iigophe i-medians emxinwa (ibhokisi yebhokisi).
Guardrails Flexible	ICable Guardrails	Ukuba nomthamo obalulekileyo wokuguqula, ukufunxa ngokufanelekileyo amandla ongquzulwano; ukuthintela okusebenzayo, ukunciphisa umonakalo wesithuthi; ayifanelekanga kumacandelo ane-curve radii encinci.	Amacandelo afuna indawo enkulu yesithinteli.
IiGuardrails ezidibeneyo	I-W-beam ye-Steel Guardrails edibeneyo, i-Metal Beam-Column Guardrails	Hlanganisa iingenelo zezinto ezininzi okanye izakhiwo; hlala kububanzi obuncinci bokuqhuba, imbonakalo entle, ukufakwa lula, ixabiso eliphantsi ngokwentelekiso; inokuhlangabezana neemfuno zobuhle; ukhuseleko olulinganiselweyo kwizithuthi ezinzima kakhulu.	Iindlela zasezidolophini; iibhulorho ezineemfuno ezikhethekileyo zobuhle; iibhulorho zesakhiwo sentsimbi; iigophe zendlela, iindlela zokunqumla, iindawo zokungena/iindlela zokuphuma ezichaphazela umgama obonwayo.

4. Iimeko zeSicelo eziQhelekileyo zoKhuseleko lweNdlela yeNdlela

Ufakelo lweendlela zokugada uhola wendlela lusekwe kuvavanyo olubanzi lweempawu zejometri zendlela, iimeko zokusebenza zendlela, imingcipheko yokusingqongileyo, kunye neziphumo zengozi ezinokubakho. Iimeko zesicelo sabo zigubungela iindawo ezininzi ezibalulekileyo ezinje ngeendledlana, i-medians esembindini, kunye nebhulorho kunye netonela yokungena/iindlela zokuphuma.

4.1 IMithetho-siseko kunye neemeko zoFakelo lweSiporo esisecaleni kwendlela

Eyona njongo iphambili yeentsimbi zokugada ecaleni kwendlela kukuthintela izithuthi ekubalekeni ngaphandle kwendlela, ngakumbi kumacandelo apho kunokukhokelela kwiziphumo ezibi.

• Amacandelwana aPhakamileyo kunye nokuZaliswa okuphezulu: KuHlelo lwe-II nangaphezulu koohola bendlela apho ithambeka lethambeka kunye nobude bodonga buwela phakathi kweendawo ezithile ezinomthunzi (iZowuni I no-II), nakuHlelo lweSithathu nolwe-IV kwiZowuni I, kufuneka kufakwe iintsimbi zokugada ecaleni kwendlela ukuze kuthintelwe izithuthi ekubalekeni ziphume kumandlalo wendlela kwaye zidale iingozi ezimandundu zokuwa. Ukuba umzila kaloliwe uhamba ngokunxuseneyo kwiimitha ezili-15 ukusuka ecaleni kwendlela, kwaye isithuthi esishiya indlela sinokuwela kumzila kaloliwe esidala ingozi yesibini, kufuneka kufakwe iintsimbi zokugada. Le mfuneko icacileyo yokuphucula amanqanaba okhuseleko lwe-guardrail esekelwe kwiimpawu zejometri zendlela (ezifana neegophe ezibukhali, amathambeka, amathambeka aphezulu) ibonisa iqhinga lokulawula umngcipheko. Ibonisa ukuba uyilo lwe-guardrail alumi kodwa luhlengahlengiswa ngokuguquguqukayo ngokweengozi zendalo zamacandelo endlela ethile, ihamba ngaphaya kwemodeli yokhuseleko "yobukhulu obunye" ukuya kuyilo olusulungekileyo olusekwe kuvavanyo lomngcipheko.
• Into yokuphonononga: I-Gansu G212 kunye ne-S306 iProjekthi yoKhuseleko loKhuseleko lweNdlela yoKhuseleko lweProjekthi iphucule kakhulu ukhuseleko kumacandelo eendlela ezinobungozi ngokuqiniswa, ukuphucula, okanye ukutshintshwa kweendawo zokukhusela ezikhoyo, ukuphelisa ngokufanelekileyo i-Class IV kunye ne-V enobungozi obuphezulu.
• Iigophe ezibukhali, iiCurves eziZigqobhozayo, kunye namaCandelo amade ethambeka elithambekileyo: La macandelo axhomekeke kakhulu ekulahlekeni kwesithuthi ngenxa yokulungelelaniswa okuyinkimbinkimbi kunye nobunzima bokulawula isantya. Ke ngoko, inqanaba lokhuseleko leentsimbi zokhuselo oluphakathi kufuneka liphuculwe ngokufanelekileyo, kwaye iintsimbi ezisecaleni kwendlela kufuneka ziphuculwe kumacandelo aphakamileyo angqameko.

• Into yokuphonononga: Iprojekthi yeHenan Jiyuan S240 Jideng Line yendlela yendlela yongeze iintsimbi zokulinda zekhonkrithi ezomeleleyo kunye neentsimbi zokugada ze-W kwigophe elibukhali kunye namacandelo amade anyukayo, ancediswa yimicu erumble kunye ne-anti-skid pavement enemibala. Olu setyenziso lubanzi lwamanyathelo okukhusela amaninzi, afana ne-anti-skid pavement enemibala, i-rumble strips, kunye nokudityaniswa kweendlela ezijikelezayo zokukhusela i-barrel anti-collision barrel kunye ne-garden rails yendabuko, ibonisa isicwangciso sokhuseleko esine-multi-layered, esihlangeneyo sokukhusela. Oku kubonisa ukuba ukhuseleko ezindleleni olulolona luxhomekeke kwimpembelelo ye-synergistic yokusebenza (umz., izilumkiso ezibonwayo/ezokuva) kunye ne-passive (izithintelo ngokwasemzimbeni), endaweni yokugada kuphela ngokwazo.
• Into yokuphonononga: Kuhola wendlela i-Xinjiang G315, kumacandelo anamagophe amaninzi kunye nezithuthi ezinzima, iirayile zokuqala ze-W-beam zatshintshwa ngohlobo lwe-RG-SA olujikelezayo lwemibhobho yokulinda, kunye nemicu yokupaka kaxakeka yongezwa, kunye nokwandiswa kwamagophe, ukubola ngokufanelekileyo amandla empembelelo yesithuthi kunye nokuthintela izithuthi ekungeneni kwi-guardrail.

• Amacandelo amelene noMzila kaloliwe, amaZiko aManzi, iZakhiwo ezinobungozi, okanye iindawo ezinobuzaza: Kumacandelo apho umzila kaloliwe uhamba ngokunxuseneyo phakathi kweemitha ezili-15 ecaleni kwendlela, kwaye isithuthi esishiya umgaqo sinokuwela kumzila kaloliwe obangela ingozi yesibini, okanye amacandelo akufuphi namadama, iindawo zokugcina ioli, izikhululo zombane, iindawo zokukhusela umthombo wamanzi okusela, njl. njl., ezifuna ukhuseleko olukhethekileyo, iintsimbi zokugada kufuneka zifakwe okanye inqanaba labo lokuchasana nokungqubana kufuneka landiswe.
• Phuma kwiiNdawo eziNxantathu zeRampu kunye neeCwave zeRadius ezincinci: Kwiindlela ezikhawulezayo kunye noohola bendlela yoKlasi I, iintsimbi zokugada kufuneka zifakwe kwiindawo ezinxantathu zeendlela zokuphuma kunye nakwicala elingaphandle leejika ezijikelezayo ezincinci, njengoko izithuthi zithande ukutenxa kwindlela kwezi ndawo, zifuna ukhuseleko.

4.2 Imigaqo kunye neemeko zoFakelo lwe-Central Median Guardrail

Iindlela zokugada ezisembindini zisetyenziselwa ikakhulu ukwahlula imizila yezithuthi ezichaseneyo, ukuthintela izithuthi ekunqumleni, kwaye zikwanika isikhokelo sendlela kunye nemisebenzi echasene ne-glare.

• Ukwahlulwa kweNdlela kunye nesiKhokelo kwiNdlela: Eyona njongo iphambili yeendlela zokugada ezisembindini kukwahlula iindledlana zendlela kwiindlela ezichasayo (ezithe nkqo) kwaye zikhokele indlela abona ngayo umqhubi, ukuqinisekisa ngocwangco kunye nokuhamba ngokukhuselekileyo kwezithuthi.
• Imivulo yeMedi eseMbindini: Iintsimbi zokuvula ezisembindini ezisembindini kufuneka zifakwe kwiindawo zokuvula ezisembindini koohola bendlela ukuze kuvalwe ngokukuko izithuba, kuthintelwe izithuthi ekubeni zijike okanye zinqumle ngokungenamkhethe, nokuqinisekisa ukhuseleko ezindleleni. Ububanzi be-median ephakathi yingqwalasela ebalulekileyo kuyilo lokulinda. Oku kubonisa ukuba ekuyileni iisistim zokugada, kukho ingxaki yokulungelelanisa phakathi kokusebenza kakuhle kwendawo, ukusebenza kakuhle kweendleko, kunye nokusebenza ngokhuseleko. Kumacandelwana ohola wedolophu okanye ngokwejografi, indawo ebonakalayo yenkqubo yokugada ngumqobo woyilo olubalulekileyo.
• Usetyenziso oluchasene nokulitha: Izixhobo zokunqanda ukumenyezela, njengeminatha yokunqanda ukumenyezela, iipaneli zokunqanda ukumenyezela, iminatha yentsimbi, okanye imithi etyalwe kwindawo ephakathi (umzekelo, i-privet, i-azaleas), ifakwe kwiindlela zokulinda eziphakathi ukuthintela ukumenyezela kwezibane zemoto ezizayo ukuba zichaphazele abaqhubi, ziqinisekisa ukhuseleko kunye nokuhamba kakuhle ebusuku. Izixhobo zokunqanda ukuqhwanyaza njengenxalenye yeendlela zokugada ezisembindini zibonisa ukuba uyilo lomgaqo wokugada luqwalasela ifuthe lemiba yokusingqongileyo (efana nokumenyesa okuzayo) kukhuseleko lwabaqhubi kwaye inokuluthomalalisa ngeendlela zokugada. Oku kwandisa umda osebenzayo weentsimbi zokugada ngaphaya kokhuseleko longquzulwano olubonakalayo.
• Into yokuphonononga: Kwicala langaphakathi leebhulorho, ngaphandle kwamacandelo ane-anti-litter net, i-anti-glare panels inokufakwa, ngokuqhelekileyo yenziwe nge-resin eluhlaza eyenziwe nge-green synthetic okanye i-fiberglass, kunye nee-angles ezichasene ne-glare ukuvala ngokufanelekileyo ukukhanya.

4.3 Iimeko zezicelo zeBridge Guardrails

Kufakelwa iintsimbi zokugada iibhulorho ukuze kuthintelwe izithuthi ekuweni ezibhulorho. Iingqwalasela zabo zoyilo zintsonkothile ngakumbi, zifuna uvavanyo olubanzi lobude bebhulorho, indawo engaphantsi kwebhulorho, umthamo wezithuthi, kunye neemfuno zobuhle.

• Ukuthintela iZithuthi ekuweni kwiibhulorho: Indima ephambili yeentsimbi zokugada iibhulorho (ezifana neendonga zeparapet, oko kukuthi, iindonga zekhonkrithi ezomeleziweyo) kukuthintela izithuthi ekuphumeni komgangatho webhulorho, ngakumbi kwiibhulorho eziphakamileyo, amacandelo anamanzi anzulu ngaphantsi, okanye amacandelo anqumla oololiwe okanye iindawo ezixineneyo, eziziindawo ezinomngcipheko omkhulu.
• Bridge Central Medians: Kwiibhulorho ezinobude obunye okanye iibhulorho ezinamaqhina okwandisa kuphela phakathi kobubanzi kunye nokomelela okwaneleyo kwedekhi, iintsimbi zomdibaniso ezisembindini kufuneka ziyilwe ngokubhekisele kwimigaqo yeentsimbi zomdibaniso ezisembindini kumacandelo ebhedi yendlela.
• Iibhulorho eziKhethekileyo:

• Iibhulorho zeSteel Structure kunye naxa kuNcitshiswa iBridge Dead Load iyimfuneko: I-Metal beam-column guardrails iyacetyiswa ngenxa yobunzima bayo obukhaphukhaphu, obubeka umthwalo owongezelelweyo ongaphantsi kwisakhiwo sebhulorho.
• Iibhulorho ezineeMfuno eziKhethekileyo zobuhle okanye iindlela zasezidolophini: Iintsimbi zokulinda ze-Metal beam-column okanye i-guardrails edibeneyo ziyacetyiswa ukuba zilungelelanise i-aesthetics kunye nomsebenzi wokukhusela. Iikhrayitheriya zokukhetha iintsimbi zokugada ibhulorho zinamacala amaninzi, kubandakanywa kungekuphela nje ukusebenza okuchasene nongquzulwano kodwa kunye nomthwalo wesakhiwo (umzekelo, ukukhetha intsimbi ngaphezu kweentsimbi zokugada zekhonkrithi ukunciphisa ubunzima bebhulorho) kunye nempembelelo yobuhle. Oku kubonisa ukuba uyilo lweziseko ezingundoqo yingxaki entsonkothileyo yokuphucula efuna ulungelelwaniso lokhuseleko, imiqobo yobunjineli, kunye nokudityaniswa kwedolophu/okusingqongileyo.
• Amacandelwana aYameneyo okanye kwiindawo ezinqumlayo ezineeMfuno zoKhuseleko oluKhethekileyo: Okufana noololiwe abakhulu, amadama, iindawo zokugcina ioyile, izikhululo zombane, iindawo zokukhusela umthombo wamanzi okusela, iindawo zokugada iibhulorho kufuneka zibe neemeko zongquzulwano ezikhethekileyo ezimiselwe kwaye ziyilwe ngokukodwa, kwanokwandisa inqanaba lokhuseleko kwi-HB, ukumelana neengozi zesibini ezinokuba yintlekele. Ngokomzekelo, kwiibhulorho eziwela iindawo ezinkulu ezikhusela amanzi okusela, iibhulorho ezixhonywe ngokugqithisileyo, iibhulorho ezihlala ngeentambo, kunye nezinye iibhulorho ezixhaswe ngeentambo, kucetyiswa ukuba kukhuselwe inqanaba le-HB. Le mfuneko yamanqanaba aphezulu okhuseleko kwiibhulorho, ngakumbi ezo zinqumla imimandla enovakalelo , ibonisa isakhelo sovavanyo lomngcipheko esingathathi ngqalelo kuphela iziphumo zongquzulwano oluthe ngqo kodwa neempembelelo zesibini ezinokuba kho eziyingozi (umzekelo, ukudilika kukaloliwe, ungcoliseko lokusingqongileyo). Oku kubonisa ukuqonda okunzulu kweengozi zenkqubo kwiziseko zothutho.

4.4 Iimeko zeSicelo sokuNgena kweTonela/iZikhuselo zokuPhuma

Ukungena kwetonela kunye nokuphuma ziindawo ezikhethekileyo zokutshintsha kwindlela, kwaye ukufakwa kwe-guardrail apha kufuna ingqalelo ekhethekileyo kumqhubi wembonakalo kunye nokutshintsha kokuziphatha.

• Utshintsho kunye noQhagamshelwano kunye neNdlela yeNdlela/yeBridgerails: Iitonela zokungena/iindlela zokuphuma ziindawo ezithanda iingozi. Ii-Guardrails apha kufuneka ziyilwe kunye namacandelo otshintsho ukuze kuqinisekiswe ukuguquguquka okugudileyo ekuqineni, ukuphakama, ifom ye-cross-sectional form, kunye nokuma kunye ne-roadbed esecaleni okanye i-bridge guardrails, ukuphepha iingozi ezintsha zokhuseleko. Imfuneko enyanzelekileyo “yamacandelo otshintsho” kunye nokunciphisa isiqingatha sezithuba zezithuba kwiindawo zokungena/eziphumayo zetonela ibonisa ukuba ezi ndawo zichongwa njengeendawo ezineengozi ezinkulu ngenxa yotshintsho olukhawulezileyo kwindawo yokuqhuba (ukukhanya, ukubonakala, ijometri) nokuziphatha komqhubi. Oku kugxininisa ukubaluleka kokuqwalasela imiba yengqondo kunye nengqiqo kwindlela yoyilo lwendlela, kungekhona nje imiqobo yomzimba.

• Into yokuphonononga: I-Guardrail ekungeneni kwetonela inokuqwalaselwa njengecandelo loguqulo lomlindi ukusuka kwi-roadbed okanye kwiibhulorho zokugada ukuya kwindawo yodonga lwetonela, ukuphumeza uqhagamshelo olugudileyo.
• Into yokuphonononga: Kwisithuba seemitha ezili-16 kwicala le-roadbed kwicala lokungena/lokuphuma, isithuba sesithuba seentsimbi zokugada zentsimbi ye-W-beam kufuneka sicuthwe ngesiqingatha ukunyusa isakhono sokukhusela salo mmandla ngokuchasene nongquzulwano olunokwenzeka.
• IsiKhokelo soKhuseleko lwaNgaphakathi kwiitonela: Izangqa ezibonakalisayo, izibane ezidanyazayo zelanga ze-LED, njl. njl., zinokufakwa ngaphakathi kweetonela ukuchaza ngokucacileyo ulwandlalo lwetonela, ukwandisa ukukhanya, ukuphucula isikhokelo sokuqhuba, kwaye ngaxeshanye kuncitshiswe ukusetyenziswa kwamandla okukhanyisa, ukufezekisa iingenelo ezimbini zokhuseleko kunye nokukhuselwa kwendalo.⁵ Umkhwa wokudibanisa izibane eziphambili kunye neenkqubo zesikhokelo (ezifana nezalathisi zelanga, iindandatho ezikhanyayo) ngaphakathi kweetonela azigcini nje ukwandisa ukhuseleko kodwa ziqwalasela ukusebenza kakuhle kwamandla kunye neenzuzo zokusingqongileyo. Oku kubonisa indlela yobunjineli epheleleyo ejolise ekwandiseni iinjongo ezininzi ngaxeshanye, ukuqhuba iziseko ezingundoqo ukuya kuphuhliso “lobuchule”.

5. Iimeko eziKhethekileyo zokuSebenza kuKhuseleko lweNdlela yaseziDolophini

Ukusetyenziswa kweendlela zokugada ezidolophini kuyahluka koohola bendlela, kugxininise ngakumbi ekubekeni bucala okukhuselekileyo kwabahambi ngeenyawo kunye nezithuthi ezingasebenzisi zimoto, ukugcinwa kocwangco lwezithuthi, kunye nolungelelwaniso kunye nobuhle basezidolophini.

5.1 Ukusetyenziswa koKhuseleko lwabahambi ngeenyawo

Iireyile zabahambi ngeenyawo zizixhobo ezibalulekileyo zokuqinisekisa ukhuseleko lwabahambi ngeenyawo kwiindlela zasezidolophini, eziyilelwe ukukhokela indlela yokuziphatha yabahambi ngeenyawo nokuthintela ukuwa ngengozi.

• Ukunqanda abahambi ngeenyawo ekuweleni iiNdlela zeThuthi: Iindlela zokugada zabahambi ngeenyawo kufuneka zifakwe emacaleni endlela apho abahambi ngeenyawo kufuneka bathintelwe ekuweleni iindledlana zezithuthi eziziimoto, ngakumbi kwiindlela ezingenelayo, kodwa kufuneka ziphazamiseke kwiindawo zokunqumla abahambi ngeenyawo ukuququzelela intshukumo yabahambi ngeenyawo.
• Ukuthintela abahambi ngeenyawo ekuweleni kwiindawo ezinobungozi: Iintsimbi zokugada zabahambi ngeenyawo kufuneka zifakwe xa kukho umahluko wobude phakathi kwendledlana yeenyawo kunye nomhlaba omeleneyo (udlula i-0.5 yeemitha) okanye umngcipheko wokuwa kwabahambi ngeenyawo, kunye nakwicala elingaphandle lepavumente yebhulorho.

• IiMfuno zoBude: Umphakamo ocacileyo weendlela zokugada abahambi ngeenyawo akufunekanga jikelele ube ngaphantsi kwe-1.10 yeemitha, kwaye ungabi ngaphantsi kwe-0.90 yeemitha. Xa icala elivulekileyo lebhulorho ingumzila wesithuthi oxubeneyo wabahambi ngeenyawo/ongeyiyo imoto okanye indlela yesithuthi esingeyiyo eyemoto, umphakamo ocacileyo wesiporo sokugada sabahambi ngeenyawo kufuneka ube mkhulu kuneemitha ezi-1.40 ukuthintela abakhweli ukuba bangawi phezu kwesiporo sokugada.
• IiMfuno zoLwakhiwo: Kwiindawo ezineengozi zokuwa, umgama ocacileyo phakathi kwamalungu angama-vertical of railings akufanele udlule i-0.11 yeemitha, kwaye izakhiwo ezineendawo zokunyuka akufanele zisetyenziswe. Amanyathelo okuthintela ukuwa kweengqayi zeentyatyambo kufuneka abekhona ukuthintela ukwenzakala okwesibini. Lo mmiselo uneenkcukacha zobude bendawo yokugada yabahambi ngeenyawo kunye nezithuba ezithe nkqo zebha, kunye nemfuneko yokuphepha izakhiwo ezikhwelekayo, ubonakalisa uqwalaselo olusulungekileyo lokhuseleko lwabahambi ngeenyawo. Oku kubonisa ukuba abaqulunqi abagxininisi kuphela ekuthinteleni ukuwa kodwa baphinde bajonge ekuthinteleni ukunyuka, ukubanjiswa, kunye neminye imingcipheko yesibini, ngakumbi kumaqela asemngciphekweni njengabantwana, okubonisa ukuqonda okunzulu kweepatheni zokuziphatha zabahambi ngeenyawo kwiindawo zoluntu zasezidolophini kunye nengqondo yoyilo lokuthintela.
• Iindawo eziHamba ngeenyawo eziPhezulu: Iindlela zokugada zabahambi ngeenyawo kufuneka zifakwe ecaleni kwendlela yesithuthi kwiindawo ezinezithuthi eziphezulu zabahambi ngeenyawo, ezifana nezikhululo, iidokhi, indawo yokuwela yabahambi ngeenyawo kunye neendawo zokungena/eziphuma ngaphantsi, kunye namaziko orhwebo, ukukhokela ukuhamba kwabahambi ngeenyawo nokuqinisekisa ukhuseleko.

5.2 Ukusetyenziswa kweZithinteli zeNdlela yeZithuthi ezingaSebenziyo

Iindlela zokugada iindlela zezithuthi ezingasebenzisi njini zisetyenziselwa ikakhulu ukwahlula izithuthi eziziimoto kwizithuthi ezingezizo iimoto, kunye nezithuthi ezingasebenzisi njini kubahambi ngeenyawo, ukuqinisekisa ukhuseleko lokuhamba ngebhayisikile.

• Ukwahlula iZithuthi kwiZithuthi ezingaZizo: Iindlela zokugada zisetyenziselwa ukwahlula abakhweli beebhayisikile kwizithuthi ezihamba ngeemoto, ukuthintela iimoto ukuba zingangeneleli kwiindledlana zezithuthi ezingasebenzisi njini kunye nokuphucula ukhuseleko lokuhamba ngebhayisikile.
• Ukwahlula iZithuthi eziNgezoMotho kubahambi ngeenyawo: Apho kungekho ndledlana yokupaka ecaleni kwendlela yeebhayisekile kwaye isantya esikufutshane sesithuthi siphantsi, iintsimbi zokugada zingafakelwa ukwahlula abakhweli beebhayisikile kubahambi ngeenyawo, ngeli lixa kuthintelwa abahambi ngeenyawo ukuba bangene kumgaqo webhayisekile, kuthintelwa ungquzulwano olubangelwa zizithuthi ezixubeneyo.
• Ukhuseleko kumaCandelo eNdlela eKhethekileyo: Kwiindawo apho iintsimbi zokulinda ezichasene nongquzulwano kumagophe, ekudibaneni kweendlela, okanye ekungeneni/eziphumayo zichaphazela umgama wokubonwa komqhubi, iintsimbi zokugada zentsimbi, iintsimbi zokugada ezidityanisiweyo, okanye iirayili ze-W-beam ezibonisa elubala ngcono zicetyiswa ukuba zilungelelanise ukhuseleko kunye nemizila yokubona.
• Imigaqo yoYilo: Kuyacetyiswa ukuba kwahlulwe ukugcwala kweebhayisikile nabahambi ngeenyawo ngokuphawula okanye kwiindledlana ezizinikezelweyo, ubuncinci boyilo lobubanzi obuziimitha ezi-3 kwiindlela ezimbini zeebhayisekile kunye ne-1.5 yeemitha kwiindlela zabahambi ngeenyawo.

• Kufuphi nezikhululo zeebhasi, iindledlana zeebhayisekile zinokuba kubude obufanayo neepavumente okanye izitalato, kodwa kufuneka ziphakanyiswe kumphakamo wepavumente kusetyenziswa iirempu ezikufutshane nezikhululo ukuze kube lula kubahambi ngeenyawo ukufikelela kwiindawo zokumisa iibhasi.
• Iintlangano-ndlela kufuneka ziyilwe ngononophelo ukunciphisa isantya sezithuthi, ukulawula izithuthi ezingena kwisiphambuka, kwaye kusete imiqondiso efanelekileyo ukunciphisa ungquzulwano olunokubakho.

5.3 Izicelo ze-Guardrail kuLawulo lweThutyana lweZithuthi

Iindlela zokugada zexeshana zidlala indima ebalulekileyo kwiindawo zokwakha, iziganeko ezinkulu, kunye nolawulo olungxamisekileyo, olusetyenziselwa ukukhokelwa kwezithuthi, ukuhlukaniswa kwendawo kunye nokukhuselwa kokhuseleko.

• IiNdawo zoMsebenzi woKwakha iindlela:

• Izixhobo zokuzahlula: Iimpawu zokumakisha zendlela, iindawo zokugada, kunye nezinye iindawo zokwahlulwa kufuneka zifakwe kumacandelo omsebenzi wolwakhiwo lwendlela yasezidolophini ukwahlula iimoto ezihamba ngeemoto, izithuthi ezingasebenzisi njini, kunye nabahambi ngeenyawo, ukuqinisekisa ukhuseleko lolwakhiwo kunye nocwangco lwezithuthi.
• Ukuphawulwa komda kunye nesilumkiso: Iindlela zokugada zexeshana zingasetyenziselwa ukuphawula imida, ngakumbi kwiiprojekthi zexesha elide, ukutshintshwa kweendlela zokugada abahambi ngeenyawo kunye neekhowuni zezithuthi ukwahlula iindledlana zezithuthi kwiindlela ezisecaleni kwendlela okanye iindawo zolwakhiwo lweendlela. Iintsimbi zokulinda zexeshana kufuneka ziphawulwe ngokucacileyo, zibe nemigca ebomvu nemhlophe okanye eminye imicu ebonisa umahluko omandla ejongene netrafikhi ezayo, kunye nezibane ezilumkisayo ezifakwe ebusuku ukuqinisekisa ukubonakala imini nobusuku. Izithintelo ezizaliswe ngamanzi zihlala zisetyenziselwa kule meko ngenxa yokuzinza kwazo kunye nokuhamba ngokulula.
• Ukususwa okwethutyana kunye noBuyiselo: Izibonelelo zokhuseleko lokwakha akufuneki zisuswe ngokungekho mthethweni, zisetyenziswe gwenxa, okanye zishiywe; ukuba ukususwa kwesikhashana kuyimfuneko ngenxa yeenkqubo zokwakha, izixhobo zokukhusela zesikhashana kufuneka zongezwe, kwaye zibuyiselwe ngokukhawuleza emva kokuba inkqubo igqityiwe.
• Imisitho kaWonke-wonke eMikhulu:

• IsiKhokelo kunye noLawulo lweSininzi: Kwimisitho kawonke-wonke emikhulu, abaququzeleli kufuneka ngokwenzululwazi bamisele iindlela zokungena nokuphuma zabakhweli ezisekelwe kwiimpawu zendawo, bamkele iindlela zokujikeleziswa kwendlela enye okanye zokungabuyi ukukhokela ukuhamba komkhweli, ukuphambukisa ngokufanelekileyo, ukunqanda ukunqumla ukuqukuqela, kunye nokuthintela ukuxinana kwabantu.²⁵ Ukuba kukho imfuneko, abaququzeleli bafanele baqeshe iintsimbi zokulinda, iindawo ezivaliweyo, nezinye iindawo zokhuseleko ukuze zivaleke indawo leyo okanye abasebenzi abalawulayo.
• Ukhuseleko loThintelo kunye neMpendulo kaNgxamiseko: Abaququzeleli beminyhadala kufuneka baseke imimandla ekhuselayo yokhuseleko kwisiza ukunciphisa uxinzelelo lwesihlwele okanye bakhuphe abasebenzi kwiimeko zikaxakeka. Xa ingxinano yesihlwele iphezulu kakhulu okanye inokukhokelela kwistampedes, indlela yokwaphula isekethe kufuneka ivulwe ngoko nangoko, isiganeko sipheliswe, kwaye kuphunyezwe intambo yangaphandle, kuvunyelwa ukuphuma kuphela.
• Uphambuko lweTrafikhi kunye noMbutho: Ngexesha lokwandiswa kohola wendlela, ukwakhiwa ngokutsha, kunye neeprojekthi zogcino, ukuphambukiswa kwezithuthi kunye nomsebenzi wombutho kufuneka wenziwe ngokufanelekileyo ngexesha lokulungiswa komgaqo wokugada ukuqinisekisa ukusebenza ngokukhuselekileyo kwezithuthi. Kwimisitho emikhulu, ukuba inokuchaphazela izithuthi ezingqongileyo kunye nocwangco loluntu, abaququzeleli kufuneka benze isikhokelo sendlela kunye nezicwangciso zokulungisa ii-odolo.

6. Isiphelo

Iindlela zokugada ezindleleni, njengenxalenye ebalulekileyo yenkqubo yokhuseleko lwezithuthi ezindleleni, zineemeko ezibanzi zezicelo kunye nemisebenzi eyahluka-hlukeneyo, idlulela ngaphaya kokuzibekela bucala. Le ngxelo, ngohlalutyo olunzulu lwezicelo ze- guardrail emacaleni eendlela, i-central medians, iibhulorho, itonela, kunye neendlela zasedolophini kunye nolawulo lwexeshana lwezithuthi, iveza indima yabo engundoqo ekuqinisekiseni ukhuseleko ezindleleni, ukukhokela ukuhamba kwezithuthi, kunye nokunciphisa ilahleko yeengozi.

Uyilo kunye nokukhethwa kweendlela zokugada ziinkqubo zobunjineli ezintsonkothileyo zokwenza izigqibo ezifuna uqwalaselo olubanzi lweempawu zejometri zendlela, umthamo wezithuthi, ukwakhiwa kwesithuthi, iimeko zokusingqongileyo, kunye neziphumo zengozi ezinokubakho. Ngokomzekelo, kumacandelo anobungozi obuphezulu njengamagophe abukhali, amathambeka, kunye neendawo eziphakamileyo eziphezulu, inqanaba lokukhusela i-guardrails kufuneka liphakanyiswe ngokufanelekileyo, libonise ifilosofi yoyilo oluguquguqukayo olusekelwe kuvavanyo lomngcipheko. Ukukhethwa kweendlela zokugada iibhulorho akufuneki kuhlangabezene kuphela nokusebenza okuchasene nongquzulwano kodwa kwakhona kuqwalaselwe umthwalo wesakhiwo kunye neemfuno zobuhle, ngakumbi xa unqumla umzila kaloliwe, amadama, kunye nezinye iindawo ezinovakalelo, apho inqanaba lokhuselo lwazo kufuneka lonyuswe ngokubonakalayo ukumelana neempembelelo zesibini ezinokuthi zibe yintlekele. Uyilo lwe-Guardrail ekungeneni kwetonela / kwiindawo zokuphuma kugxininisa inguqu kunye nesikhokelo esibonakalayo sokulungelelanisa iimfuno zokuziphatha zabaqhubi ngexesha lokutshintsha ukukhanya kunye nokusingqongileyo.

Ngaphaya koko, ukwenziwa kwezinto ezintsha kubuchwephesha betekhnoloji yokugada, njengokusetyenziswa kwemibhobho edityanisiweyo yokugada kunye neetrayile ezijikelezayo zokunqanda ukungqubana, zibonakalisa iinzame eziqhubekayo kubunjineli bezendlela ukuqinisa ukusebenza kokhuseleko, ukwenza ngcono iindleko, nokuqinisekisa ukuhambelana kokusingqongileyo. Ezi ndlela zophuhliso zibonisa ukuba iinkqubo zexesha elizayo zokugada ziya kuba krelekrele ngakumbi, zidityaniswe, kwaye zikwazi ngcono ukuziqhelanisa nemeko-bume yezithuthi ezintsonkothileyo nezitshintshayo. Iindlela zokugada zabahambi ngeenyawo kunye neendawo zokugada zezithuthi ezingasebenzisi njini kwiindlela zasezidolophini zibonisa ukhuseleko olusulungekileyo kubasebenzisi bendlela abasesichengeni (abahambi ngeenyawo, abakhweli beebhayisikile), ukwakha iindawo ezikhuselekileyo nezilungeleleneyo ngakumbi zezithuthi zedolophu ngokubekwa bodwa ngokwasemzimbeni kunye nesikhokelo sokuziphatha.

Isishwankathelo, iimeko zesicelo seendlela zokugada zohola wendlela zinamacala amaninzi kunye nenkqubo. Uyilo kunye nokuphunyezwa kwazo akukho mingeni yobugcisa kuphela kodwa kunye nokubonakaliswa okunzulu kwefilosofi yendlela "ejoliswe ebantwini, ukhuseleko kuqala". Ngokukhula okuqhubekayo kwemfuno yezithuthi kunye nokuqhubela phambili kobuchwepheshe, indima yeentsimbi zokukhusela ekuqinisekiseni ukhuseleko ezindleleni iya kuqhubeka nokuvela, isiya kwiindlela ezisebenza ngokufanelekileyo, zobukrelekrele, nezijoliswe ebantwini.