Simulation test & performance mechanism analysis of SMW engineering method in deep foundation pits

Gu Shi-tan; Shi Jian-yong

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Simulation test & performance mechanism analysis of SMW engineering method in deep foundation pits

更新时间：2026-06-25

- Simulation test & performance mechanism analysis of SMW engineering method in deep foundation pits
- Vol. 29, Issue 4, (2008)
- 作者机构：
  
  河海大学岩土工程研究所,江苏,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU458+.4
- Online First：10 July 2013，
  
  Published：2008
- 稿件说明：
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Gu Shi-tan, Shi Jian-yong. Simulation test & performance mechanism analysis of SMW engineering method in deep foundation pits[J]. 2008, 29(4).
DOI：

Gu Shi-tan, Shi Jian-yong. Simulation test & performance mechanism analysis of SMW engineering method in deep foundation pits[J]. 2008, 29(4). DOI：

摘要

通过主动侧加载模拟开挖卸载，进行了基坑SMW工法围护结构与型钢围护结构的室内模型对比试验。试验结果表明：SMW工法相对于单独型钢围护结构，由于水泥土对型钢的围箍作用，使型钢、水泥土成为一整体，共同协调工作，提高了型钢的刚度，同时有效地起到了减小水平位移的作用。SMW工法结构内力相对于单独型钢围护结构内力，由于水泥土的作用，其内力明显要小，与工程实测规律一致。从不同角度探讨了SMW工法的工作特性、型钢-水泥土组合结构的相互作用机理。

Abstract

model comparison tests of SMW engineering method and shaped steel exterior-protected construction are proceeded by loading on active side to simulate unloading on excavation side. Test results show that: shaped steel and cement soil of SMW engineering method can be a whole body and perform jointly compared with single shaped steel exterior-protected construction because of cement soil enclosing of shaped steel

so that stiffness of shaped steel is increased; and horizontal displacement can be decreased effectively. Internal force of SMW is less than that of single shaped steel exterior-protected construction obviously because of cement soil; this is accordant with actual measurement of engineering. Performance character and interacting mechanism of SMW are discussed from various angles.

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