从某基坑支护失败看喷锚支护应用范围

喷锚支护结构具有施工方便、投资少、工效高及稳定性强等特点，近年来已被推广使用，但对其支护失败例证鲜见报导。本文以某基坑滥用喷锚支护失败的实例，提醒各设计施工单位高度重视喷锚支护的适用条件和范围。

Injected anchor bracing is provided with the features of convenient in construction, less investment, high efficiency and intense stability and it is popularized irecently. The failure of its application in certain project is mention herein to remind the designers and builders to pay attention to the scope and condition for its use.