| 粉煤灰垫层与夯扩灌注桩联合处理高层建筑地基 |
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| 引用本文： | 孙倡书 谭佳良 周旭荣. 粉煤灰垫层与夯扩灌注桩联合处理高层建筑地基[J]. 探矿工程, 2006, 33(9): 4-6,8 |
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| 作者姓名： | 孙倡书 谭佳良 周旭荣 |
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| 作者单位： | [1]机械工业第四设计研究院勘察分院,河南洛阳471039 [2]湖南省地质工程勘察院,湖南株洲412003 [3]中国石油工程建设（集团）公司,北京100011 |
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| 摘 要： | 利用夯扩灌注桩对桩端持力层的加密作用，可解决水下填筑问题，利用粉煤灰的可压密性和夯扩灌注桩承载力高的特点，可大幅提高复合地基承载力，减少工程投资。以河南洛阳某高层建筑为例，介绍了粉煤灰垫层和夯扩灌注桩组成的刚性桩复合地基在高层建筑地基中的应用。
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| 关 键 词： | 粉煤灰 垫层 夯扩灌注桩 刚性桩 复合地基 |
| 收稿时间： | 2006-07-24 |
| 修稿时间： | 2006-07-24 |
Flyash Cushion Combined with Ram-compaction Pile Applied in Foundation Treatment for High-rise Building |
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| SUN Chang-shu,TAN Jia-liang,ZHOU Xu-rong Corporation,Beijing,China. Flyash Cushion Combined with Ram-compaction Pile Applied in Foundation Treatment for High-rise Building[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2006, 33(9): 4-6,8 |
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| Authors: | SUN Chang-shu TAN Jia-liang ZHOU Xu-rong Corporation Beijing China |
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| Abstract: | Ram-compaction pile can tamp bearing soil layers to densify the stratum in water. The bearing capacity of composite foundation can be greatly increased and engineering investment can be reduced by use of compressibility of flyash cushion and high bearing capacity of ram-compaction pile. The composite foundation, made up of ram-compaction rigid piles and fly-ash cushion, is introduced with the application of a high-rise building in Luoyang, Henan. |
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| Keywords: | flyash cushion ram-compaction pile rigid pile composite foundation |
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