Basa iri nderekutevedzera mitemo yeAASHTO M180, GB-T 31439.1-2015 uye EN1317.
Zvinhu zvekushandisa izvi zvinonyanya kuve Q235B (S235Jr simba remugove rinodarika 235Mpa) uye Q345B (S355Jr simba remugove rinodarika 345Mpa).
Kuti pave neukobvu hweguardrail kunyanya kuburikidza ne4.0mm kusvika 7.0mm kana kutevedzera zvinodiwa nevatengi.
Kugadziriswa kwepamusoro pechinhu ichi kunonyikwa negirazi rinopisa, zvichitevedzera AASHTO M232 uye chiyero chakafanana seAASHTO M111, EN1461 nezvimwewo.
Chigadziko chacho chakaiswa pasi, kuti chisimbise uye chitsigire jira rekudzivirira. Chinogona kuderedza simba rekurova panguva iyo tsaona ichikura.