Numerical simulation on mechanical properties of frame-supported multi-ribbed composite slab structure

被引：1
|
作者：
Jia S. [1 ]
Cao W. [1 ]
Yuan Q. [2 ]
Qian Z. [2 ]
机构：
[1] College of Architecture and Civil Engineering, Beijing University of Technology, Beijing
[2] School of Civil Engineering, Beijing Jiaotong University, Beijing
来源：
Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition) | 2016年 / 46卷 / 03期
关键词：
Finite element analysis; Frame-supported multi-ribbed composite slab structure; Numerical simulation; Oblique frame-grid;
D O I：
10.3969/j.issn.1001-0505.2016.03.013
中图分类号：
学科分类号：
摘要：
Based on the experiments of low-cyclic loading applied to the frame-supported multi-ribbed composite slab structures (FSMRC slab structures) with different forms, the calculated model was established incorporated in the nonlinear program IDARC by the hysteretic rules of Park degradation-parameter. The computing and test results of the hysteretic curve and the framework curve of the specimens during loading were compared and analyzed to verify the correctness of the established model. Moreover, the influence factors for the key part internal-force and the massive structural maximum angle of the frame-supported inclined-grid composite slab structure were analyzed by using the variance analysis. Besides, a reasonable slab model was established by using Abaqus, and the slab displacement-curves with the height under different loading conditions were obtained, so the frame-supported diagonal-grid, inclined-grid slabs delivered bending-shear and shear deformations, respectively. The comparison results of the axial-strain and internal forces caused by rib-effect of inclined-rib in different locations show that the structure presents an obvious truss-characteristic. Moreover, the influence of the rib-effect on the bending moment and the axial force of the diagonal-rid is small, and the main deformation of the diagonal-rid is axial deformation. © 2016, Editorial Department of Journal of Southeast University. All right reserved.
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页码：532 / 536
页数：4
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