【名词&注释】
承载力(bearing capacity)、加筋土挡土墙(reinforced earth retaining wall)、挡土墙施工(retaining wall construction)
[单选题]土钉孔注浆后至少应养护()养护期间,严禁敲击钢筋。
A. A.7d B. B.3d C. C.28d