| 大直径嵌岩灌注桩承载性状的试验研究 |
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| 引用本文： | 吴春秋,安旭文,张伟. 大直径嵌岩灌注桩承载性状的试验研究[J]. 建筑结构, 2004, 0(9) |
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| 作者姓名： | 吴春秋 安旭文 张伟 |
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| 作者单位： | 武汉大学土木建筑工程学院,430072;武汉大学土木建筑工程学院,430072;武汉大学土木建筑工程学院,430072 |
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| 摘 要： | 通过对大直径嵌岩灌注桩的竖向、水平静载现场试验 ,并结合对其桩身的应变测试、低应变桩身完整性检测 ,分析了填土较厚区域大直径嵌岩灌注桩的承载力性状及其影响因素。试验结果表明 ,具有一定嵌岩深度的嵌岩灌注桩 ,桩顶竖向荷载主要由嵌岩段桩侧摩阻力承担 ,桩身强度是影响水平承载力的主要因素。
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| 关 键 词： | 嵌岩灌注桩 现场试验 承载性状 影响因素 |
Experiment Research on Bearing Behavior of Large Diameter Rock-socketed Cast-in-place Piles |
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| Wu Chunqiu An Xuwen Zhang Wei. Experiment Research on Bearing Behavior of Large Diameter Rock-socketed Cast-in-place Piles[J]. Building Structure, 2004, 0(9) |
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| Authors: | Wu Chunqiu An Xuwen Zhang Wei |
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| Affiliation: | Wu Chunqiu An Xuwen Zhang Wei |
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| Abstract: | Based on the field static load experiment, the strain test and low strain integrity test on the large diameter rock-socketed cast-in-place piles,the bearing capacity of the large diameter rock-socketed piles in the area where the filling soil is very deep and its effect factors have been studied. The results indicate that the vertical loads on the top of the pile which rock-socketed length is long enough are mainly borne by the frication between the embedded rock part of the piles and soil, and the strength of the piles are the main effect factor of the horizontal bearing capability. |
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| Keywords: | rock-socketed cast-in-place pile experiment bearing behavior effect factor |
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