土钉墙支护基坑施工工艺 摘要：土钉墙支护基坑近年来我市较多用于土体开挖和边坡稳 定的一种挡土结构。由于其具有施工简捷、经济等优势得以迅速推 广应用。土钉墙是由天然土体通过加固和锚固现场原位土体的细长 杆件与被加固的原位土体、喷射混凝土面层组成的支护体系，形成 一个类似重力挡墙以此来抵抗墙后的土压力；从而保持开挖面的稳 定。 关键词：土钉墙支护基坑施工工艺 abstract: in recent years, soil nailing wall foundation pit which is a kind of retaining structure more used to the soil mass excavation and slope stability. because it has the advantages of simplicity and economic, it