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| 夯扩载体CFG桩复合地基工程研究及分析 | |
| 引用本文： | 杨红梅,王胜军,刘红坡.夯扩载体CFG桩复合地基工程研究及分析[J].铁道工程学报,2010,27(2). |
| 作者姓名： | 杨红梅 王胜军 刘红坡 |
| 作者单位： | 1. 中铁二院工程集团有限责任公司,成都,610031 2. 四川省交通厅公路规划勘察设计研究院,成都,610041 3. 西南交通大学峨眉校区土木工程系,四川,峨眉,614202 |
| 摘 要： | 研究目的:夯扩载体CFG桩复合地基应用日益广泛,但其理论研究还较少。本文结合某夯扩载体CFG桩复合地基工程实践,通过现场监测数据及FLAC计算软件,研究不同荷载、单桩承载力、褥垫层厚度、桩长、桩间距对地基承载力及变形的影响规律。研究结论:本文研究了该新型复合地基对各种参数的敏感性,并得知:夯扩载体CFG桩负摩阻力作用范围比普通CFG桩长,中性点降低,或无中性点。夯扩载体CFG桩桩体作用明显,褥垫层的厚度在普通CFG桩的基础上应该适当增大。 |
| 关 键 词： | 复合地基 FLAC数值模拟 夯扩载体CFG桩 |
Research and Analysis of Engineering Characteristics of Rammer Carrier CFG Pile Composite Foundation |
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| YANG Hong-mei,WANG Sheng-jun,LIU Hong-po.Research and Analysis of Engineering Characteristics of Rammer Carrier CFG Pile Composite Foundation[J].Journal of Railway Engineering Society,2010,27(2). | |
| Authors: | YANG Hong-mei WANG Sheng-jun LIU Hong-po |
| Institution: | YANG Hong-mei1,WANG Sheng-jun2,LIU Hong-po3(1.China Railway Eryuan Engineering Group Co.Ltd,Chengdu,Sichuan 610031,China,2 Sichuan Provincial Highway Planning,Survey,Design , Research Institute,Sichuan 610041,3.Department of Civil Engineering,Emei District,Southwest Jiaotong University,Emei,Sichuan 614202,China) |
| Abstract: | Research purposes: Rammer carrier CFG pile composite foundation is increasingly used widely,but only a little theoretical research has been done on it.Combined with one engineering practice of rammer carrier CFG pile composite foundation,this paper researches the influencing regulation of the different loads,single pile carrying capability,cushion layer depth,pile length and space between piles on the bearing capacity and deformation of the foundation with the monitored date on rammer carrier CFG pile and F... |
| Keywords: | composite foundation FLAC numerical simulation rammer carrier CFG(Cement Fly-ash Gravel) pile |
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