高层钢管混凝土结构施工全过程数值模拟

刘俊; 吴杰; 罗晓群; 崔晓强; 张其林

doi:10.3969/j.issn.1674-4764.2012.05.008

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高层钢管混凝土结构施工全过程数值模拟

更新时间：2023-11-28

- 高层钢管混凝土结构施工全过程数值模拟
- Numerical Simulation on Whole Construction Process of High-Rise CFST Structures
- 土木与环境工程学报（中英文） 2012年34卷第5期页码：50-56
- 作者机构：
  
  1. 同济大学土木工程学院,上海,200092
  2. 上海建工集团,上海,200050
- 作者简介：
- 基金信息：
  
  国家863计划（2009AA04Z420）;上海市科技攻关计划（09DZ1207704）
- DOI：10.3969/j.issn.1674-4764.2012.05.008
  中图分类号：
- 纸质出版：2012
- 稿件说明：
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刘俊, 吴杰, 罗晓群, 等. 高层钢管混凝土结构施工全过程数值模拟[J]. 土木与环境工程学报（中英文）, 2012,34(5):50-56.

LIU Jun, WU Jie, LUO Xiaoqun, et al. Numerical Simulation on Whole Construction Process of High-Rise CFST Structures[J]. Journal of Civil and Environmental Engineering, 2012, 34(5): 50-56.
刘俊, 吴杰, 罗晓群, 等. 高层钢管混凝土结构施工全过程数值模拟[J]. 土木与环境工程学报（中英文）, 2012,34(5):50-56. DOI： 10.3969/j.issn.1674-4764.2012.05.008.

LIU Jun, WU Jie, LUO Xiaoqun, et al. Numerical Simulation on Whole Construction Process of High-Rise CFST Structures[J]. Journal of Civil and Environmental Engineering, 2012, 34(5): 50-56. DOI： 10.3969/j.issn.1674-4764.2012.05.008.

摘要

基于CEB-FIP MC90的混凝土时变模型，建立了按主从节点约束考虑钢管与混凝土共同工作的钢管混凝土时变分析模型，提出了高层钢管混凝土结构施工全过程的数值模拟方法。对某高层钢管混凝土结构进行了数值计算，计算中考虑了混凝土的收缩徐变效应和施工工序影响，与施工过程的监测结果做了对比分析。研究表明，施工过程和收缩徐变对高层钢管混凝土结构影响很大，实际结构在设计和施工中必须予以考虑。

Abstract

The time-changing analysis model for concrete filled steel tubes was established based on the time-changing concrete model of CEB-FIP MC90

in which the interaction between steel tube and concrete core was considered by the restraint conditions of master and slave nodes. The numerical simulation method was developed for analyzing the whole construction process of high-rise CFST structures. A real structure was taken as numerical example

in which the influence of concrete creep and shrinkage as well as construction process was considered. The results of numerical simulation are compared with those obtained from on-site monitoring. It is shown that the concrete creep and shrinkage as well as construction process have big influence on high-rise CFST structures

which should be taken into account in designs and constructions.

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