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Matsayin shine yawanci don bin AASHTO M180, GB-T 31439.1-2015 da ma'aunin EN1317.


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Matsayin shine yawanci don bin AASHTO M180, GB-T 31439.1-2015 da ma'aunin EN1317.
Abubuwan da aka fi amfani dasu sune Q235B (S235Jr ƙarfin amfanin gona ya fi 235Mpa) da Q345B (S355Jr ƙarfin yawan amfanin ƙasa ya fi 345Mpa).
Don kauri daga cikin guardrail yafi ta 4.0mm zuwa 7.0mm ko bi abokan ciniki bukatar.
Jiyya na saman yana da zafi tsoma galvanized, don bin AASHTO M232 da daidaitattun daidaitattun kamar AASHTO M111, EN1461 da dai sauransu.
An shigar da gidan a cikin filaye, don ɗaure da goyan bayan titin tsaro.Zai iya rage tasirin tasiri yayin da hatsarin ya karu.

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