| 不规则平面桩-筏基础优化的一种简化方法 |
| |
| 引用本文： | 党星海,杜永峰,狄生奎,李文娟,赵世伟,李华文.不规则平面桩-筏基础优化的一种简化方法[J].兰州理工大学学报,2002,28(3):94-97. |
| |
| 作者姓名： | 党星海 杜永峰 狄生奎 李文娟 赵世伟 李华文 |
| |
| 作者单位： | 1. 甘肃工业大学,建筑工程学院,甘肃,兰州,730050
2. 兰州市城市规划设计院,甘肃,兰州,730030 |
| |
| 基金项目： | 甘肃省自然科学基金 (ZR 97 0 3 4) |
| |
| 摘 要： | 基于桩 筏基础荷载传递的局部化特性 ,提出了一种简化分析方法 ,即采用悬臂梁比拟筏板与柱周围各桩之间的联系 ,进行桩顶沉降计算 ,再用差分法计算筏板弯矩 .建立了同时考虑桩的弹性支承性质和桩间土参与共同工作的不规则桩 筏基础优化设计数学模型 ,并采用变容差主动约束可行方向法对一实际工程进行优化设计 .
|
| 关 键 词： | 桩筏基础 结构优化设计 片筏基础 桩基础 相互作用 |
| 文章编号： | 1000-5889(2002)03-0094-04 |
| 修稿时间： | 2001年12月26 |
A simplified method for optimization of foundation with irregular planar pile-raft |
| |
| DANG Xing hai ,DU Yong feng ,DI Sheng kui LI Wen juan ,ZHAO Shi wei ,LI Hua wen.A simplified method for optimization of foundation with irregular planar pile-raft[J].Journal of Lanzhou University of Technology,2002,28(3):94-97. |
| |
| Authors: | DANG Xing hai DU Yong feng DI Sheng kui LI Wen juan ZHAO Shi wei LI Hua wen |
| |
| Institution: | DANG Xing hai 1,DU Yong feng 1,DI Sheng kui 1 LI Wen juan 1,ZHAO Shi wei 1,LI Hua wen 2 |
| |
| Abstract: | A simplified analysis method based on that the transmission of the load in pile raft foundation is characterized by a sort of its localization. In this method, the connection between the raft slabs and the piles around the column is simulated by a cantilever beam to calculate the settlement of the pile top and, further, the bending moment of the raft slabs with finite difference method. A mathematical model of optimization design of the irregular pile raft foundation is established by considering simulta neously both the elastic supporting of the pile and the contribution of the soil around the pile. A pile raft foundation for an actual engineering project is optimized by using feasible direction method defined by active constraints with variable tolerance. |
| |
| Keywords: | pile raft foundation structural optimization deign sheet raft foundation piled foundation interaction |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
