撞击荷载下钢板混凝土组合板的力学性能研究

孙继红; 安国青; 王蕊

doi:10.13204/j.gyjzG22081307

撞击荷载下钢板混凝土组合板的力学性能研究

doi: 10.13204/j.gyjzG22081307

1. 山西经济管理干部学院建筑工程系, 太原 030024;
2. 太原理工大学土木工程学院, 太原 030024

基金项目:

重点国别科技合作项目（202204041101010）；山西省自然科学基金资助项目（20210302123119）。

详细信息

作者简介:
孙继红，硕士，讲师，主要从事组合结构防灾减灾研究。

通讯作者:
王蕊，博士，教授，主要从事组合结构防灾减灾研究，1810407509@qq.com。

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- 文章访问数: 46
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- 被引次数: 0
出版历程
- 收稿日期: 2022-08-13
- 网络出版日期: 2024-05-29

Research on Mechanical Properties of Steel-Concrete Composite Panels Under Impact Loading

1. Department of Architectural Engineering, Shanxi Cadre College of Economic Management, Taiyuan 030024, China;
2. School of Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China

摘要

摘要: 为深入研究和分析钢板混凝土组合板的抗撞性能，采用ABAQUS建立了单层钢板混凝土组合（HSC）板与双层钢板混凝土组合（SCS）板在撞击荷载作用下的数值模型，并通过已有SCS板落锤撞击试验结果验证了有限元建模方法的准确性。基于此，首先分析了钢板–混凝土组合板的撞击全过程；其次，从动力响应、破坏模式与吸能系数三方面对比了HSC和SCS板的抗撞性能；最后，重点探讨了钢板含钢率与撞击高度对构件动力响应的影响，并对撞击力时程进行了简化。结果表明：所建立的数值模型可以很好地预测钢板混凝土组合板的撞击力与变形；该类构件的撞击全过程可分为四个阶段；与HSC板相比，SCS板的抗撞性能更好；建议的撞击力时程简化模型可有效用于此类构件的抗撞设计。
- 钢板混凝土组合板 /
- 撞击 /
- 有限元分析 /
- 撞击全过程 /
- 动力响应 /
- 撞击力简化
Abstract: In order to investigate and analyze the impact resistance of steel-concrete composite panels, ABAQUS software was used to establish the finite element (FE) models of single-layer steel-concrete composite (HSC) panels and double-skin steel-concrete composite (SCS) panels. The reliability of the finite element modeling was validated against the results of drop-hammer impact test. Firstly, the whole impact process of this type of members was analyzed. Secondly, the impact resistance of HSC panels was compared with that of SCS panels from three aspects of dynamic response, failure mode and energy absorption coefficient. Finally, the influence of the steel plate ratio and impact height on the dynamic responses of members were emphatically discussed and the impact force time-history curve was simplified. The results showed that the FE model could reasonably predict the impact force and deflection of steel-concrete composite panels. The whole impact process of this type of members could be divided as four stages. The impact resistance of SCS panels was superior to HSC panels. The simplified impact-force history suggested in this work could be effectively employed in the impact resistance design of this kind of members.
- steel-concrete composite panel /
- impact /
- finite element analysis /
- whole impact process /
- dynamic response /
- simplified impact force

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