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首页> 外文会议>2011 Second International Conference on Mechanic Automation and Control Engineering >Analysis on deformation of diaphragm wall joints in soft soil
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Analysis on deformation of diaphragm wall joints in soft soil

机译：软土地基中地下连续墙缝变形分析

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Excessive horizontal deformation of diaphragm wall joints could lead to the difficulty in pulling locked port tube out, hoisting of reinforcing cage, percolating water in joints and so on. By analysising the problem and cause of deformation in diaphragm wall joints, bringing up the deformation analytical model of locked port tube based on elastic foundation beam, researching on the example project of diaphragm walls from a subway station in soft soil. The result shows that duo to a void of 6∼8mm in the joining of locked port tube, the maximum deformation of calculated value is about 50mm lesser than monitored deformation in the practical scenarios. In order to decrease the deformation of locked port tube effectively, sands should be used as backfill in overbreaking grooves and the reasonable embedded depth of tube toe should be 1.0∼1.5m.
机译：隔板墙缝的水平过度变形可能导致难以将锁住的端口管拉出，加固笼的吊起，渗入缝中的水等。通过分析隔墙连接处变形的问题和成因，建立基于弹性地基梁的锁孔管变形分析模型，研究地铁在软土中的隔墙实例工程。结果表明，在锁定端口管的连接处空隙达到6〜8mm，在实际情况下，计算值的最大变形比所监测的变形小约50mm。为了有效地减少堵口管的变形，应在冲沟中用沙子作为回填，管脚的合理埋入深度应为1.0〜1.5m。

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