W tan ina aabo

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Iṣọ aabo jẹ pataki lati tẹle AASHTO M180, GB-T 31439.1-2015 ati boṣewa EN1317.
Awọn ohun elo fun iyẹn ni akọkọ Q235B (S235Jr agbara ikore jẹ diẹ sii ju 235Mpa) ati Q345B (S355Jr agbara ikore jẹ diẹ sii ju 345Mpa).
Fun sisanra ti ẹṣọ aabo nipataki nipasẹ 2.67mm si 4.0mm.
Itọju oju naa jẹ igbona ti a fi gbona gbona, lati tẹle AASHTO M232 ati boṣewa deede bi AASHTO M111, EN1461 abbl.
Iboju aabo ti a ṣe apẹrẹ fun pipin ọna si apakan oriṣiriṣi, ati isalẹ ibajẹ lakoko ti ijamba naa gba.

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

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