基于ANSYS软件的再生细骨料砂浆砖砌体有限元分析.pdfVIP

学兔兔 全国中文核心期刊 斩 建巍 中国科技核心期刊 { ； … 基子ANSYS软件的再生细骨料 砂浆砖砌体有跟元分析 秦拥军，刘雨婷，陈振 (新疆大学 建筑工程学院，新疆 乌鲁木齐 830047) 摘要：以再生细骨料砂浆砖砌体受压性能试验为基础，利用有限元分析软件ANSYS建立整体式模型进行分析。对分析过程中 的模型建立、单元选择、本构关系、破坏准则及收敛控制问题进行阐述。对3种再生细骨料砂浆砖砌体的分析结果表明：随着砌筑砂 浆强度提高，砖砌体的极限抗压强度和弹性模量都有所提高，但掺合料的加入会降低砖砌体的承载力；ANSYS分析时材料参数泊松 比可取对应的泊松比。与试验结果对比分析表明，利用ANSYS软件对再生细骨料砂浆砌体的力学性能进行非线性有限元分析具有 一 定的可行性，可为再生细骨料砂浆砖砌体的进一步分析提供参考。 关键词：再生细骨料；砖砌体；有限元分析；ANSYS软件 中图分类号：TU522 文献标识码：A 文章编号：1001—702X(2015)10—0049—05 Finite element analysis of recycled fine aggregate mortar brick masonry based on the ANSYS Qm Yon~ffun，LIU Yuting，CHEN Zhen (Architectural and Civil Engineering College of XinJiang University，Urumqi 830047，Xinjiang，China) Abstract：On the basis of recycled fine aggregate mortar masonry compression performance test，an integral model is established using the finite element analysis software ANSYS for analysis．Modeling，choice of units，material constitution，the damage criterion，and convergence criterion are discussed in the process of analysis．Analysis results on the three kinds of recycled fine aggregate mortar bricks masonry show that with the improving strength of masonry mortar，ultimate compressive strength and elastic modulus of the bricks are improved，but the addition of admixture can reduce the bearing capacity of brick masonry．During ANSYS analysis，material parameters poisson S ratio may take corresponding poissons ratio．Comparative analysis with experimental results shows that the nonlinear finite element analysis on the mechanical properties of