Inyandiko igomba gukurikiza cyane cyane AASHTO M180, GB-T 31439.1-2015 na EN1317.
Kubwubunini bwizamu cyane binyuze muri 4.0mm kugeza 7.0mm cyangwa gukurikiza ibyo abakiriya bakeneye.
Kuvura hejuru birashyushye cyane, kugirango ukurikire AASHTO M232 hamwe nuburinganire buringaniye nka AASHTO M111, EN1461 nibindi.
Inyandiko yashyizwe mubibuga, kugirango ifate kandi ishyigikire izamu.Irashobora kugabanya imbaraga zingaruka mugihe impanuka yamenyekanye.