W kaola kiaʻi

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ʻO ka pale kiaʻi e ukali i ka AASHTO M180, GB-T 31439.1-2015 a me EN1317 hae.
ʻO ka mea no ka Q235B (S235Jr ʻoi aku ka ikaika o ka hua ma mua o 235Mpa) a me Q345B (S355Jr ʻoi aku ka ikaika o ka hua ma mua o 345Mpa).
No ka mānoanoa o ka pale kaua ma o ka 2.67mm a 4.0mm.
Hoʻomaʻu wela ʻia ka papa hana o luna, e ukali i ka AASHTO M232 a me ke kaulike kaulike e like me AASHTO M111, EN1461 etc.
Hoʻonohonoho ka pale kiaʻi no ka hoʻokaʻawale ʻana i ke ala i nā ʻāpana ʻokoʻa, a hoʻohaʻahaʻa i ka poino i ka wā e piʻi ai ka ulia.

W beam guardrail7
W beam guardrail5
W beam guardrail6
W beam guardrail8

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