| 桥梁大直径钻孔灌注桩基础事故处理 |
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| 引用本文： | 严旭,陈秋南. 桥梁大直径钻孔灌注桩基础事故处理[J]. 建筑技术开发, 2004, 0(8) |
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| 作者姓名： | 严旭 陈秋南 |
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| 作者单位： | 珠海巨业建设监理有限公司,珠海,519075;湖南科技大学土木工程学院,湘潭,411201 |
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| 摘 要： | 某桥梁基础共施工 4 8根钻孔灌注桩 ,经动测检验发现有 5根Ⅲ类桩 ,再钻孔取芯检验 ,发现 3根桩存在断桩和混凝土不胶结的破碎段 ,另 2根桩桩端以下沉渣较厚。对施工记录进行具体分析后 ,采用高压喷射注浆法进行补强 ,取得了较好的加固效果
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| 关 键 词： | 钻孔灌注桩 高压注浆 加固 |
CONSOLIDATION FOR THE FAILURE OF THE DRILLED CAST-IN-SITU PILE ON THE FOUNDATION OF A BRIDGE |
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| Yan Xu Chen Qiu nan. CONSOLIDATION FOR THE FAILURE OF THE DRILLED CAST-IN-SITU PILE ON THE FOUNDATION OF A BRIDGE[J]. Building Technique Development, 2004, 0(8) |
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| Authors: | Yan Xu Chen Qiu nan |
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| Affiliation: | Yan Xu Chen Qiu nan |
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| Abstract: | The bored cast in situ piles are tested by core drilled and low strain dynamic detection, and the failure of the piles is detected. This paper analyses the causes of failure of piles,and some methods of consolidation are put forward,which is a reference for the same engineering. |
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| Keywords: | Bored cast in situ pile High pressure jet grouting Consolidation |
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