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路堤荷载下钉形水泥土双向搅拌桩 复合地基监测分析
引用本文:朱志铎,席培胜,张八芳,周礼红,朱芝华.路堤荷载下钉形水泥土双向搅拌桩 复合地基监测分析[J].岩石力学与工程学报,2007,26(Z2):4530-4530.
作者姓名:朱志铎  席培胜  张八芳  周礼红  朱芝华
摘    要: 针对水泥土搅拌桩应用中存在的问题,介绍了研制的钉形水泥土双向搅拌桩及其施工工艺。通过对钉形水泥土双向搅拌桩复合地基在路堤荷载作用下的沉降、分层沉降、土体侧向变形、超静孔隙水压力及土压力观测成果分析,论述了钉形水泥土双向搅拌桩加固软土地基优越的工程特性和经济效益。

关 键 词:关键词桩基工程  钉形水泥土双向搅拌桩  沉降  分层沉降  侧向位移  超静孔隙水压力  土压力
收稿时间:2007-09-06;

MONITORING AND ANALYSIS OF COMPOSITE FOUNDATION REINFORCED BY T-SHAPED BIDIRECTIONAL SOIL-CEMENT DEEP MIXING PILE UNDER EMBANKMENT LOADS
Abstract:With the engineering problems of traditional deep mixing techniques in China,a new T-shaped bidirectional deep mixing technique is introduced. The settlement,layered settlement,lateral deformation,excess pore water pressure and earth pressure of foundation reinforced by T-shaped bidirectional soil-cement deep mixing pile are analyzed under embankment loads. The wide application and economic benefit of T-shaped bidirectional soil-cement deep mixing pile are discussed.
Keywords:Key words:pile foundations  T-shaped bidirectional soil-cement deep mixing pile  settlement  layered settlement  lateral displacement  excess pore water pressure  earth pressure
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