建筑结构学报2018，Vol.39Issue(5)：91-98,8.DOI:10.14006/j.jzjgxb.2018.05.012
基于位移补偿法的某椭圆形弦支穹顶施工模拟及监测研究
Construction simulation and monitoring of elliptical suspended-dome structure based on displacement compensation analysis method
摘要
Abstract
In view of the problem of morphological analysis in the construction simulation of the suspended-dome structure,an improved displacement compensation analysis method based on the model equation was adopted. The new gymnasium of Tianjin University of Traditional Chinese Medicine was taken as the research project. The lifting state of suspended-dome was obtained by using the program of APDL in ANSYS. The simulation results show that this method has a faster convergence speed and the relative error in displacement and cable force is smaller between prestressing equilibrium state and design state. What's more,the discreteness of the results of the lifting state can be controlled. Through the contrast and analysis on the structural characteristics,the radial rod tensioning method which apply to the oval suspended-dome structure with discontinuous support was adopted. The prestressing tension was divided into three levels corresponding to 20％,70％ and 100％ of design force. And every level was also divided into 1 ～ 8 steps. The whole process of construction was simulated and analyzed according to the construction method and process. The contrast and analysison the construction simulation and construction monitoring results show that the data of cable force,shell component stress,displacement of shell,displacement of support and verticality of strutsfrom experiments agree well with theoretical values of construction analysis.关键词
弦支穹顶/位移补偿法/施工模拟/施工全过程监测/内力/位移Key words
suspended-dome/displacement compensation analysis method/construction simulation/construction process monitoring/internal force/displacement分类
建筑与水利引用本文复制引用
于敬海,冷明,闫明婷,胡相宜,李路川..基于位移补偿法的某椭圆形弦支穹顶施工模拟及监测研究[J].建筑结构学报,2018,39(5):91-98,8.基金项目
天津市科技支撑计划(13ZCZDSF01400). （13ZCZDSF01400）
