某地一基坑工程实践

Introduction in Construction of a Deep and Large Scale Pit

介绍了杭州一开挖深、规模大、地质条件和周边环境复杂的基坑工程实践,着重介绍了工程地质特点、高含砾砂土层中土钉施工工艺、开挖过程遇到的边坡崩塌与集中冒水问题及相应的技术对策。

There is a large-scale pit which is of deep excavation,complex geology condition and surrounding environment in Hangzhou.The geology condition characteristic and construction technology of the retaining structure in soils of high content of gravelly sand,problems and measures taken in excavating are introduced in this paper.