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| 软土地基钻孔灌注桩受力性状分析 | |
| 引用本文： | 杨春桂,伊旭春,张新朝.软土地基钻孔灌注桩受力性状分析[J].交通标准化,2007(6):183-186. |
| 作者姓名： | 杨春桂 伊旭春 张新朝 |
| 作者单位： | 1. 临海市交通工程设计院,浙江,临海,317000 2. 台州市公路管理处,浙江,台州,318000 3. 仙居公路养护公司,浙江,仙居,317300 |
| 摘 要： | 通过对冲孔灌注桩和旋挖灌注桩桩顶、桩端沉降量静载试验资料及桩身应力应变测试资料的分析,得出桩身荷载传递机理及不同施工工艺在不同荷载水平下桩的受力性状差异.并就影响桩侧摩阻力的因素进行深入探讨.这一研究表明:桩周土的性质、桩土相对位移、桩端沉渣、成孔时间、护壁清孔方式及加载反力装置均会对单桩极限承载力产生重要影响. |
| 关 键 词： | 钻孔灌注桩 桩侧摩阻力与端阻力 荷载水平 影响因素 静载试验 软土地基 钻孔灌注 桩受力 性状分析 Soft Soil Piles 单桩极限承载力 反力装置 加载 清孔 护壁 时间 桩端沉渣 桩土相对位移 性质 桩周土 研究 因素 桩侧摩阻力 影响 |
| 文章编号： | 1002-4786（2007）06-0183-04 |
| 收稿时间： | 2007-02-01 |
| 修稿时间： | 2007-02-01 |
The Endurance of Bored-cast-in-place Piles in Soft Soil Foundations |
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| YANG Chun-gui,YI Xu-chun,ZHANG Xin-chao.The Endurance of Bored-cast-in-place Piles in Soft Soil Foundations[J].Communications Standardization,2007(6):183-186. | |
| Authors: | YANG Chun-gui YI Xu-chun ZHANG Xin-chao |
| Institution: | 1.Linhai Communications Engineering Design Institute, Linhai 317000, China; 2.Taizhou Highway Administration Bureau, Taizhou 318000, China; 3. Xianju Highway Maintenance Co. Ltd., Xianju 317300, China |
| Abstract: | By analyzing the displacement of pile top and pile bottom of the bored-cast-in-place piles, and analyzing the stress and strain of these piles, the endurance of these piles under different load-ing levels is studied, and the factors which affect the side resistance also are further discussed in this paper. Abnormal phenomena in ultimate bearing capacity of bored piles is mainly attributed to construction factors, such as soil characteristics, the relative displacement of pile and soil, pile bottom sediments,drilling time, bore retaining and cleaning, and equipment of loading counter-pressure. |
| Keywords: | bored pile side resistance and bottom resistance loads level interference factors static loading test |
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