摘要
一种合适的深基坑支护方案可以在很大程度上保证工程安全,同时节省施工成本。采用德尔菲法和优序图法相结合的方式,对某深基坑支护方案进行优选,利用Abaqus有限元软件对优选后的支护方案进行支护模拟。运用德尔菲函询法,选取对工程所在地区情况熟悉的一些专家,对深基坑开挖过程中各项影响因素的相对重要程度进行评估,得出这些影响因素在方案中的评分,再用优序图法对其进行权重分析,从已有的深基坑支护方案中选择相对最优方案。对优选后的深基坑支护方案结合工程实例建立相关的模型,运用Abaqus有限元软件对该工程实例进行模拟并与实际情况进行对比分析,表明德尔菲优序图法具有科学性、实用性与可靠性。
A good deep foundation pit support scheme can ensure project safety to a large extent while saving construction costs.By combining the Delphi method and the precedence diagram method,the existing deep foundation pit support scheme is optimized,and the optimized support scheme is simulated by Abaqus finite element software.By Delphi correspondence method,several experts familiar with the situation in the project area evaluate the relative importance of the influencing factors in the excavation process of the deep foundation pit,and the scores of these influencing factors in the scheme are obtained.And weight analysis is carried out by precedence diagram method,and the relative optimal scheme is selected from the existing deep foundation pit support scheme.The model is established by combining Abaqus finite element software to simulate the engineering examples and compare with the actual situation.It shows that the Delphi method combined with precedence diagram method is scientific and practical with good reliability.
出处
《桂林理工大学学报》
CAS
北大核心
2017年第3期514-518,共5页
Journal of Guilin University of Technology
基金
国家自然科学基金项目(41762022
51369010)
广西科学研究与技术开发项目(桂科攻1598009-7)
广西岩溶动力学重点实验室开放课题(KDL201604)
广西重点实验室基金项目(11-kf-02
12-A-01-02
11-CX-01)
广西高校科学研究项目(KY2015YB119)
关键词
深基坑
支护方案
优选
优序图法
德尔菲法
deep foundation pit
support scheme
selection
precedence diagram method
Delphi method
