介绍了土钉墙技术的原理及适用范围，论述了土钉墙技术在公路深基坑中的施工工艺流程，总结了土钉墙施工的注意事项，指出土钉墙施工周期短、成本低、工艺简便等特点，应用前景广阔。%The paper introduces the principle for the nailing wall technique and its applied scopes,indicates its construction craft procedure in the deep foundation pits of roads,sums up the precautions in the nailing wall construction,and points out its features with short construction periods, lower cost,and simple crafts,so it has broader application future.
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