| 某高层建筑地基中土洞的成因分析及地基处理设计方案 |
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| 引用本文： | 黄建宝. 某高层建筑地基中土洞的成因分析及地基处理设计方案[J]. 中国西部科技, 2008, 7(9): 6-9 |
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| 作者姓名： | 黄建宝 |
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| 作者单位： | 福建东辰综合勘察院,福建,龙岩,364021 |
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| 摘 要： | 本文通过分析龙岩盆地某高层建筑地基中土洞的成因，介绍了高压旋喷桩加固地基处理的原理及本场地地基处理的设计方案，即土洞是在有覆盖土的岩溶发育区，其特定的水文地质条件，使岩面以上的土体遭到流失迁移而形成土中的洞穴和洞内塌落堆积物以及引发地面变形破坏的总称。土洞是岩溶的一种特殊形态，是岩溶范畴内的一种不良地质现象，由于发育速度快，分布密，对工程的影响远大于岩洞。
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| 关 键 词： | 土洞 地基处理 高压旋喷桩 |
Analysis on Causes of Soil Caves in a Certain tall Building Foundation, and Design Project of Foundation Treatment |
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| HUANG Jian-bao. Analysis on Causes of Soil Caves in a Certain tall Building Foundation, and Design Project of Foundation Treatment[J]. Science and Technology of West China, 2008, 7(9): 6-9 |
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| Authors: | HUANG Jian-bao |
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| Affiliation: | FuJian DongChen Comprehensive Investigation Institute |
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| Abstract: | The thesis introduced the principle of high-pressure rotating pile reinforcement of foundation and the design project of the foundation treatment of this site,through analysis on a causes of soil caves in a certain tall building foundation of Longyan Basin.Soil caves were in a karst development area which was covered by soil and it's hydrogelolgy condition was specific.These formed the lost and transfer of soil on the rock surface.So soil caves were the general name of cave in the soil,general collapse accum in the cave,and inducing the ground deformation and destruction.Soil caves are one of special karst shapes and a bad geological phenomenon on the karst category.Their influences on the projects were far more than rock caves because of fast development speed and intensive distribution. |
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| Keywords: | soil cave foundation treatment high-pressure rotating pile |
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