| 洛阳地区旋扩珠盘桩竖向承载力计算公式探讨 |
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| 引用本文： | 高笑娟,李建厚,王文军,朱向荣.洛阳地区旋扩珠盘桩竖向承载力计算公式探讨[J].岩土力学,2009,30(6):1676-1680. |
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| 作者姓名： | 高笑娟 李建厚 王文军 朱向荣 |
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| 作者单位： | 1. 河南科技大学 建筑工程学院，洛阳 471003；2. 龙门石窟研究院，洛阳 471023；3. 浙江大学 宁波理工学院，宁波 315100； 4. 浙江大学软弱土与环境土工教育部重点实验室，杭州 310027 |
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| 摘 要： | 旋扩珠盘桩是在DX桩、挤扩支盘桩等基础上开发的一种新桩型，两者在外形和承载机制上存在一定的相似性。由于前者的珠盘由旋扩形成，对土体的挤压作用明显小于后者，因此，两者的承载性状存在差别。如果简单套用后者的公式计算前者的承载力，误差偏大，安全度难以保证，实践表明不可行。通过对洛阳一批工程50根旋扩珠盘桩试桩资料的分析，提出了洛阳地区旋扩珠盘桩承载力计算公式，可供工程应用时参考。
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| 关 键 词： | 旋扩珠盘桩 竖向承载力 计算公式 |
| 收稿时间： | 2007-01-23 |
Discussion on formula of vertical bearing capacity of rotated branches pile in Luoyang |
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| GAO Xiao-juan,LI Jian-hou,WANG Wen-jun,ZHU Xiang-rong.Discussion on formula of vertical bearing capacity of rotated branches pile in Luoyang[J].Rock and Soil Mechanics,2009,30(6):1676-1680. |
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| Authors: | GAO Xiao-juan LI Jian-hou WANG Wen-jun ZHU Xiang-rong |
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| Institution: | 1. Institute of Architecture Engineering, Henan University of Science and Technology, Luoyang 471003, China; 2. Longmen Grottoes Academy, Luoyang 471023, China; 3. Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China; 4. Key Laboratory of Soft Soils and Geoenvironmental Engineering of MOE, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | Rotated branches pile is a new developed pile based on DX pile and squeezed branch pile. They have similar figures and bearing mechanisms to a certain extent. The former is rotated and the latter is squeezed in pile molding, so the bearing behaviors are different. There are problems in calculating bearing capacity of former pile by using the formula of latter pile for a project in Luoyang, a formula of bearing capacity of rotated branches pile is proposed. |
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| Keywords: | rotated branches pile vertical bearing capacity formula |
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