Overview
{ungiyar {asar Amirka na Jami'an Babbar Hanya da Sufuri, an ɗora wa alhakin tsara ma'auni a cikin ƙira da gina duk abubuwan more rayuwa na manyan tituna don tabbatar da inganci da aminci. Ɗaya daga cikin irin waɗannan ma'auni shine AASHTO M180, wanda ke ba da cikakkun bayanai don shingen shingen shinge na karfe. Wannan matsayi, a wannan yanayin, yana taka muhimmiyar rawa wajen kare ababen hawa da masu tafiya a ƙasa daga hatsari a cikin wuraren ajiyar hanya. Wannan takarda yayi la'akari da mahimman siffofi, ma'auni na fasaha, da kuma amfanin AASHTO M180 karfe posts.
Fasalolin AASHTO M180 Karfe Posts
Babban ƙarfi AASHTO M180 posts sune, ta hanyar ƙira, waɗanda aka yi daga ƙarfe mai ƙarfi, galibi Grade 345 ko 350. Wannan zaɓin kayan yana nufin ginshiƙan suna kiyaye daidaiton tsari kuma suna sarrafa tsayayya da nauyin tasiri. Karfe zai kuma gamsar da buƙatun ASTM don irin ƙarfe kamar ASTM A570 don ƙarfe mai sanyi ko ASTM A588 don yanayin karfe.
Matsakaicin ma'auni Ma'auni sun saita mafi ƙanƙanta masu girma dabam don posts dangane da tsayi, diamita, da kaurin bango. Wannan daidaiton yana tabbatar da daidaitaccen wuri da dacewa tare da sauran membobin tsarin tsaro.
Kariya Daga Lalata Don jure matsanancin yanayi da sauran abubuwan waje, AASHTO M180 na buƙatar ginshiƙan ƙarfe a yi galvanized, mai rufi, ko kuma bi da su don tunkuɗe lalata. Ana iya aiwatar da wannan ta hanyar galvanization mai zafi-tsoma mafi ƙarancin kauri ta ASTM A123 ko wasu ƙa'idodi waɗanda ke ba da kariya ta lalata daidai.
Bayanin Shigarwa Ƙididdigar ta ba da hanya don shigar da saƙon ta yadda za a iya samun isasshen tallafi da kuma isassun tsari. Ana iya shigar da waɗannan ta amfani da ingantaccen hakowa, tuki, ko tsarin saitin kankare da shawarar tazara da jeri waɗanda yakamata su ba da ayyuka masu kyau da ƙayatarwa.
Ma'aunin Fasaha na AASHTO M180 Posts
Material
- Karfe Grade: Yawanci aji 345 ko 350
- Ma'auni: Daidaita da ASTM A570 (ƙarfe mai sanyi) ko ASTM A588 (ƙarfe na yanayi)
girma
- Tsawon Buga: Yawanci tsayin posts ya bambanta tsakanin ƙafa 9.5 da 12.5, ya danganta da aikace-aikacen
- Diamita na Post: Yawancin lokaci, 3.25 inci (82.55 mm)
- Kaurin bango: ya bambanta tsakanin inci 0.165 (4.19 mm) da 0.200 inci (5.08 mm)
Harsashin Tsarin Kasa
- Galvanizing: Rufin tsoma mai zafi wanda dole ne a yi galvanized posts. ASTM A123 yana ƙayyade mafi ƙarancin kauri na rufin
- Rufi: Madadin shafi dole ne ya dace da ƙayyadaddun ƙayyadaddun juriya na lalata
Installation bukatun
- Anchoring: Dole ne a danne wasikun ta hanyar da suka dace kamar hakowa, tuki, da saitin siminti.
- Tazara da Daidaitawa: Ana sarrafa waɗannan a cikin takamaiman buƙatu don tallafawa saƙon daidai da kiyaye bayyanar
Testing
- Gwajin Tasiri: Wannan yana ba da tabbacin cewa saƙon na iya jure haɗarin mota
- Gwajin Tensile: Ana amfani da wannan a cikin ƙayyadaddun ƙarfin yawan amfanin ƙasa da ƙarfi na ƙarshe na ƙarfe
Fa'idodin Amfani da AASHTO M180 Posts
Inganta Tsaro Amfani da ginshiƙan masu yarda da AASHTO M180 yana ba da garantin yin amfani da ɗorewa, matsayi masu inganci waɗanda ke haɓaka aminci sosai akan hanyoyi.
Daidaitaccen Zane Girman iri ɗaya da hanyoyin shigarwa a cikin layin samfur shine maɓallan dacewa da sauƙi na gini.
Kudin-Inganci Daidaitawa da ingantaccen aiki yana rage buƙatar sauye-sauyen aiki masu tsada da sauran lahani na dogon lokaci.
Aikace-aikace na AASHTO M180 Karfe Posts
Matsakaicin Hanyar Babbar Hanya Aikace-aikace na yau da kullun na ma'aunin ƙarfe na AASHTO M180 yana cikin shingen tsaka-tsaki na babbar hanya, waɗanda ke hana ababen hawa tsallakawa cikin zirga-zirgar da ke tafe da kuma rage haɗarin haɗuwa da kai-da-kai. Don haka, ginshiƙan ƙarfe masu ƙarfi suna tabbatar da cewa shingen da aka gina suna da ikon da za su iya tsayayya da ƙarfin tasirin tasiri kuma, a madadin haka, sun zama shingen kariya mai dogaro.
Guardrails na gefen hanya Tare da ginshiƙan ƙarfe na AASHTO M180, kare motocin daga faɗuwar hanyoyi na bazata, musamman a cikin yankuna masu mahimmanci ko ɓangarorin lanƙwasa. Girman Uniform da daidaitattun hanyoyin jeri na waɗannan shingen tsaro na gefen hanya suna sa su zama abin dogaro da amfani.
Gada Guardrails Titin gada yana ba da ƙarin tabbaci a cikin gadoji, inda karon abin hawa zai iya haifar da mummunan sakamako, ta yin amfani da ma'aunin AASHTO M180. Bugu da ƙari, madaidaicin juriya na lalata yana sa tsarin tsaro ya dawwama kuma yana aiki har ma a cikin yanayin muhalli mara kyau, waɗanda suka zama ruwan dare akan gadoji.
Tsakanin Titin Dutsen Hanyoyin tsaunuka suna ba da ƙalubale na musamman don juyawa da birgima a wurare daban-daban. Na'urorin Guardrail an gyara su da kyau a cikin waɗannan sassan ta AASHTO M180 ginshiƙan ƙarfe masu ƙarfi don guje wa ababen hawa da ke gudu daga hanya da kuma kare direbobi.
Sauran Tasirin Muhalli
Yin amfani da ƙarfe na yanayi (ASTM A588) a cikin ginshiƙi na AASHTO M180 ba kawai ya inganta tsawon rayuwa ba amma kuma ya rage yawan adadin kulawa da za a yi. Ƙarfe na yanayi yana ɗaukar kamannin tsatsa mai tsayi, wanda ke haifar da suturar kariya wanda ke kawar da buƙatun zane ko wasu ƙarin kayan gashi.
Kulawa da Dubawa Kyakkyawan kulawa da dubawa zai tabbatar da aikin tsarin tsaro. Wannan zai zama mai sauƙi kamar neman duk wata alama ta lalata, lalacewar tasirin abin hawa, da kuma ko har yanzu maƙallan suna da alaƙa. Wannan yana kiyaye amincin waɗannan tsarin aminci don dawwama cikin dogon lokaci.
Summary
AASHTO M180 yana da mahimmanci wajen tabbatar da cewa duk ginshiƙan gadin babbar hanya suna da aminci kuma abin dogaro sosai. Yana bayyana ƙarfin ƙarfe mai ƙarfi, daidaitattun ma'auni, da matakan da suka dace na juriya ga lalata; don haka, ta hanyar wannan ma'auni, ana haɓaka tsarin layin dogo, wanda zai tabbatar da cewa yana da ɗorewa kuma yana aiki don hidima da kare masu amfani da hanya cikin dogaro.
- Karfe Mai Karfi: Yana ba da damar posts don ɗaukar nauyin tasiri ba tare da gazawa ba yayin kiyaye tsarin.
- Madaidaitan Ma'auni: Yana tabbatar da dacewa da shigarwa mai kyau.
- Harsashin Tsarin Kasa: Kariya na posts daga mummunan tasirin muhalli.
- Matsayin shigarwa: Tabbatar da m anchoing post da kuma aiki bisa ga ƙira.
- Aikace-aikacen Aiki: Daga manyan tituna zuwa titin tsaunuka, waɗannan ginshiƙi sune tushen matakan tsaro.
A ƙarshe, bin AASHTO M180 wajen ƙirƙira tsarin layin dogo na babbar hanya yana da mahimmanci don aminci da tsawon rai. Tunda ginshiƙan ƙarfe za su samar da wannan fitaccen matakin aikin da ake buƙata, an inganta amincin hanya, haka kuma rayuwar kowa da kowa ke kewaye. Ana iya samun ƙarin bayani ko tallafi ta hanyar tuntuɓar masu sana'a na masana'antu da kuma yin nazarin cikakkun bayanai na AASHTO M180.