郑开平¹，孙严²
(1 佛山市南海城乡建筑设计有限公司，佛山528200; 2 广州中煤江南基础工程公司佛山分公司，佛山528200)

[摘要] 介绍了某大型商业广场的深基坑支护的设计、施工、监测情况，以及在复杂软弱土层采用“复合土钉墙+摆喷墙止水+钢管桩超前支护”的支护结构的成功经验和不足之处，可为同类工程提供参考。
[关键词] 深基坑；复合土钉墙；桩锚；止水；监测

Design of deep foundation pit of a large-scale commercial squar in Foshan
Zheng Kaiping¹, Sun Yan²
(1 Foshan City Nanhai Urban & RuraI Architectural Design Co., Ltd., Foshan528200, China; 2 GuangZhou China Coal Jiangnan Foundation Engineering Co., FoShan Branch, Foshan528200, China)

Abstract: It presents the design, construction, and monitoring of deep excavation supporting to a large commercial plaza, and the application of the support structure, which is composite soil nailing retaining wall+swing grouting waterproofing+ steel-pipe piles' advanced retaining to complex soft soil. It can be reference for similar engineering.
Keywords: deep foundation; composite soil nail wall; pile-anchor; waterproofing; monitoring