粮食侧压力作用下密肋复合墙板肋格单元数值模拟

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发布时间：2020-01-06 00:00:00

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粮食侧压力作用下密肋复合墙板肋格单元数值模拟

Numerical Simulation of Multi-ribbed Composite Wall Cells Under Lateral Pressure of Grain

2021年第3期

密肋复合墙板；肋格单元；粮食侧压力；内聚力模型；有限元分析

Multi-ribbed composite wall; Multi-ribbed composite wall cell; Lateral pressure of grain; Cohesive model; Finite element analysis

2021年第3期

10.19761/j.1000-4637.2021.03.076.06

国家重点研发计划课题项目（2016YFD0401601）；河南省粮油仓储建筑与安全重点实验室开放课题项目（2016KF-A01）。

丁永刚，王浩然，赵金全，刘强，许启铿

河南工业大学土木工程学院，河南郑州 450001

丁永刚，王浩然，赵金全，刘强，许启铿

丁永刚,王浩然,赵金全,等.粮食侧压力作用下密肋复合墙板肋格单元数值模拟[J].混凝土与水泥制品,2021(3):76-81.

DING Y G,WANG H R,ZHAO J Q,et al.Numerical Simulation of Multi-ribbed Composite Wall Cells Under Lateral Pressure of Grain[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):76-81.

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摘要：在已有试验基础上，进行了基于内聚力模型的密肋复合墙板静力加载全过程有限元分析，研究了密肋复合墙板结构在粮食侧压力作用下的受力机理。结果表明：黏结界面开裂后，基于内聚力模型的密肋复合墙板在协同受力作用下表现出“拱”破坏形式；黏结界面损伤主要分布在跨中板底及板顶与边肋梁、柱接触区域，损伤及位移模拟结果与试验结果一致；基于内聚力模型的密肋复合墙板具有与矩形双向板相似的塑性铰线破坏特征，验证了内聚力模型的合理性，为粮食平房仓密肋复合墙板的结构计算分析提供了参考。 Abstract: On the basis of the existing tests, the finite element analysis of the whole process of static loading of multi-ribbed composite wall was carried out based on the cohesion model, and the mechanical mechanism and the finite element calculation method of multi-ribbed composite wall structure under the lateral pressure of grain were studied. The results show that after the interface cracks, the ribbed composite wall based on cohesion model shows “arch” failure mode under the synergistic force. The damage of the bond interface is mainly distributed in the area between the bottom and top of the mid-span plate with the side rib-beam and rib-column. Based on the cohesive model, the multi-ribbed composite wall has similar failure characteristics of yield line to the rectangular two-way plate, which verifies the rationality of the cohesive model, and provides a reference for the calculation and analysis of the multi-ribbed composite wall board structure in storehouse.

英文名 : Numerical Simulation of Multi-ribbed Composite Wall Cells Under Lateral Pressure of Grain

刊期 : 2021年第3期

关键词 : 密肋复合墙板；肋格单元；粮食侧压力；内聚力模型；有限元分析

Key words : Multi-ribbed composite wall; Multi-ribbed composite wall cell; Lateral pressure of grain; Cohesive model; Finite element analysis

刊期 : 2021年第3期

DOI : 10.19761/j.1000-4637.2021.03.076.06

文章编号 :

基金项目 : 国家重点研发计划课题项目（2016YFD0401601）；河南省粮油仓储建筑与安全重点实验室开放课题项目（2016KF-A01）。

作者 : 丁永刚，王浩然，赵金全，刘强，许启铿

单位 : 河南工业大学土木工程学院，河南郑州 450001

丁永刚，王浩然，赵金全，刘强，许启铿

丁永刚,王浩然,赵金全,等.粮食侧压力作用下密肋复合墙板肋格单元数值模拟[J].混凝土与水泥制品,2021(3):76-81.

DING Y G,WANG H R,ZHAO J Q,et al.Numerical Simulation of Multi-ribbed Composite Wall Cells Under Lateral Pressure of Grain[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):76-81.

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参考文献

引用本文

Abstract: On the basis of the existing tests, the finite element analysis of the whole process of static loading of multi-ribbed composite wall was carried out based on the cohesion model, and the mechanical mechanism and the finite element calculation method of multi-ribbed composite wall structure under the lateral pressure of grain were studied. The results show that after the interface cracks, the ribbed composite wall based on cohesion model shows “arch” failure mode under the synergistic force. The damage of the bond interface is mainly distributed in the area between the bottom and top of the mid-span plate with the side rib-beam and rib-column. Based on the cohesive model, the multi-ribbed composite wall has similar failure characteristics of yield line to the rectangular two-way plate, which verifies the rationality of the cohesive model, and provides a reference for the calculation and analysis of the multi-ribbed composite wall board structure in storehouse.

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粮食侧压力作用下密肋复合墙板肋格单元数值模拟

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