基于模糊数学的STS管幕结构的连接参数优化

doi:10.12068/j.issn.1005-3026.2022.02.015

东北大学学报（自然科学版） ›› 2022, Vol. 43 ›› Issue (2): 258-266.DOI: 10.12068/j.issn.1005-3026.2022.02.015

基于模糊数学的STS管幕结构的连接参数优化

曹文欣¹，赵文¹，路博¹，贾鹏蛟²

(1. 东北大学资源与土木工程学院，辽宁沈阳110819； 2. 苏州大学轨道交通学院，江苏苏州215131)

修回日期:2021-05-21 接受日期:2021-05-21 发布日期:2022-02-28
通讯作者: 曹文欣
作者简介:曹文欣(1995-)，男，湖北十堰人，东北大学硕士研究生；赵文(1962-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51878127).

Optimization of Connection Parameters of Steel Tube Slab Structures Based on Fuzzy Mathematics

CAO Wen-xin¹， ZHAO Wen¹， LU Bo¹， JIA Peng-jiao²

1. School of Resources & Civil Engineering， Northeastern University， Shenyang 110819， China; 2. School of Rail Transportation， Soochow University， Soochow 215131， China.

Revised:2021-05-21 Accepted:2021-05-21 Published:2022-02-28
Contact: LU Bo
About author:-
Supported by:
-

摘要/Abstract

摘要： 依托STS管幕结构纵向抗弯性能试验，建立了STS管幕构件纵向抗弯性能有限元分析模型并验证了模型的可行性.采用正交试验研究了钢管壁厚、钢管直径、螺栓直径、钢管间距、翼缘板厚度对构件纵向抗弯承载力、跨中位移和经济性指标的影响，结合模糊数学理论优化了连接参数.结果表明:对构件达到屈服荷载时跨中位移影响最大的参数为钢管直径，对构件纵向抗弯承载力和每延米构件材料平均价格影响最大的参数为钢管壁厚.为兼顾安全性和经济性，连接参数比值应为钢管直径∶钢管壁厚∶螺栓直径∶钢管间距∶翼缘板厚度 =1∶ 0.03∶0.05∶1.15∶0.02.

关键词: STS管幕结构；纵向抗弯性能；正交试验；参数优化；模糊数学

Abstract: A finite element model of the standard STS specimen was established on the basis of laboratory tests on longitudinal bending performance， then the model’s feasibility was verified. The influence of the wall thickness and diameter of pipe， the bolt diameter， the spacing between pipes and the flange plate thickness on the longitudinal flexural bearing capacity， the mid-span deformation under the yield load and the specimen’s average price per meter was studied by orthogonal test， and the parameters of STS specimen were optimized by fuzzy mathematics. The results indicate that the pipe diameter has the greatest influence on the mid-span deformation under the yield load， and the pipe thickness has the greatest influence on the longitudinal flexural bearing capacity and the specimen’s average price per meter. To meet the safety and economy， the ratio of parameters is suggested to be， the pipe diameter∶the pipe thickness∶the bolt diameter∶the spacing between pipes∶the flange thickness=1∶0.03∶0.05∶1.15∶0.02.

Key words: STS(steel tube slab)structure; flexural behavior in the longitudinal direction; orthogonal test; parameter optimization; fuzzy mathematics

中图分类号:

TU93

曹文欣，赵文，路博，贾鹏蛟. 基于模糊数学的STS管幕结构的连接参数优化[J]. 东北大学学报（自然科学版）, 2022, 43(2): 258-266.

CAO Wen-xin， ZHAO Wen， LU Bo， JIA Peng-jiao. Optimization of Connection Parameters of Steel Tube Slab Structures Based on Fuzzy Mathematics[J]. Journal of Northeastern University(Natural Science), 2022, 43(2): 258-266.

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基于模糊数学的STS管幕结构的连接参数优化

Optimization of Connection Parameters of Steel Tube Slab Structures Based on Fuzzy Mathematics

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