Ipari ipari jẹ pataki lati tẹle AASHTO M180, GB-T 31439.1-2015 ati boṣewa EN1317.
Ohun elo fun iyẹn jẹ pataki Q235B (S235Jr agbara ikore jẹ diẹ sii ju 235Mpa) ati Q345B (S355Jr agbara ikore jẹ diẹ sii ju 345Mpa).
Fun sisanra ti ipari ebute ni akọkọ nipasẹ 2.5mm si 4.0mm tabi tẹle ibeere awọn alabara.
Itọju dada jẹ galvanized ti o gbona, lati tẹle AASHTO M232 ati boṣewa dogba bii AASHTO M111, EN1461 ati bẹbẹ lọ.
Ipari ipari ti wa ni ipilẹ ni ibẹrẹ ati ipari ti ọna.O le daabobo awọn eniyan pẹlu awo irin ti o tẹ, lati dinku ipalara lati ọna iṣọ.