文章导读
总览 评价 明晶 ， 陈军明 * （ 武汉理工大学力学系； ） 摘要： 基于 "等代刚度"和"等代面积"的概念，垂直于孔洞方向采用"类工字型"截面等效实际的空心楼盖截面。基于提出的分析模型，从不同分析模型对实际空心楼盖截面、"工字型"截面、"类工字型"截面三种
明晶， 陈军明*
（
武汉理工大学力学系； ）
摘要：
基于 "等代刚度"和"等代面积"的概念，垂直于孔洞方向采用"类工字型"截面等效实际的空心楼盖截面。基于提出的分析模型，从不同分析模型对实际空心楼盖截面、"工字型"截面、"类工字型"截面三种截面类型给出比较验证。应用大型有限元软件ANSYS计算现浇混凝土空心楼盖在竖向荷载作用下三种不同分析模型的应力响应和位移响应。从不同分析模型应力和位移数值的大小随楼板厚度和孔洞半径的变化可以看出，类工字型楼盖相对于工字型楼盖来说，对实际空心楼盖的等效要更加合理。
关键词：
等效截面；空心楼盖；有限元法
Ming Jing1,， Chen Junming2,*
（
1、Department of engineering strructure and Mechanics, Wuhan University of Technology； 2、Department of engineering structure and Mechanics, Wuhan Universtiy of Technology； ）
Abstract：
Based on the concept of 'equivalent stiffness' and 'equivalent area', the 'similar H' cross-section is equivalent to the actual hollow floor system along the direction that is perpendicular to the hole. Based on the proposed model, the actual hollow floor system, 'H' cross-section model and 'similar H' cross-section model are compared with each other from different models, so that it is to validate the reasonableness of the equivalent cross-section. The stress response and displacement response of three kinds of different situ concrete hollow floor models are analyzed with the vertical load and horizontal load by the ANSYS software based on finite element method. From the stress and displacement values with the different slab thickness and the different radius, it is shown that, compared with the 'H' cross-section model, the 'similar H' cross-section model is more reasonable for the equivalent of the actual hollow floor system.
Tag：
点此返回栏目查看更多>>>参考论文
