[1]梅钢,徐能雄..深基坑桩锚支护结构优化设计方法及系统研制[J].郑州大学学报(工学版),2008,29(04):124-128.[doi:10.3969/j.issn.1671-6833.2008.04.029]
　Mei Gang,Xu Nengxiong.Optimization design method and system development of anchor support structure of deep foundation pit pile[J].Journal of Zhengzhou University (Engineering Science),2008,29(04):124-128.[doi:10.3969/j.issn.1671-6833.2008.04.029]

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深基坑桩锚支护结构优化设计方法及系统研制()

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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:

29卷

期数:

2008年04期

页码:

124-128

栏目:

出版日期:

1900-01-01

文章信息/Info

Title:

Optimization design method and system development of anchor support structure of deep foundation pit pile

作者:

梅钢; 徐能雄.

中国地质大学,北京,工程技术学院,北京,100083, 中国地质大学,北京,工程技术学院,北京,100083

Author(s):

Mei Gang; Xu Nengxiong

关键词:

桩锚支护;  位移;  优化设计

Keywords:

pile anchor support;  displacement;  Optimize the design

DOI:

10.3969/j.issn.1671-6833.2008.04.029

文献标志码:

A

摘要:

针时单支点桩锚支护问题,提出了一种基于施工过程中桩顶侧移控制的优化设计方法,并建立了优化设计模型.该方法以基坑开挖过程中的桩顶侧移为优化目标,以锚固点到桩顶距离为优化变量.以一次位移与二次位移曲线的交点作为优化点,确定锚杆最优位置,进而对桩锚支护结构进行优化.根据上述优化设计方法和模型,采用VB语言研制了优化设计系统,并进行了工程实例分析,设计结果表明:优化设计系统是可行的,优化设计方法和模型是合理的.

Abstract:

An optimization design method based on the lateral shift control of pile top during construction is proposed, and an optimization design model is established. In this method, the lateral movement of the pile top during excavation of the foundation pit is taken as the optimization goal, and the distance from the anchoring point to the pile top is the optimization variable. The intersection point of the primary displacement and the quadratic displacement curve is used as the optimization point to determine the optimal position of the anchor, and then the pile anchor support structure is optimized. According to the above optimization design method and model, the optimization design system is developed using VB language, and the engineering case analysis is carried out, and the design results show that the optimization design system is feasible and the optimization design method and model are reasonable.

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