李帅清,曲艳东,于跃,李佳琦,左胜楠
LI Shuai-qing,QU Yan-dong,YU Yue,LI Jia-qi,ZUO Sheng-nan

• 1:辽宁工业大学土木建筑工程学院
• 2:大连民族大学土木工程学院

摘要(Abstract)：

为了研究钢-混凝土-钢组合板的动力学性能，利用ABAQUS非线性动力学软件在两点空爆下对其进行了分析。结果表明：组合板的破坏形态与延时起爆时间间隔有关。当两点同时起爆时，组合板主要发生受弯破坏，混凝土核心底面跨中和支座处会出现较为明显的裂缝。两点同时起爆产生的冲击波经过耦合后，组合板的峰值振速最大，组合板的峰值挠度随着延时时间增加而逐渐减小。适度增大组合板顶面和底面钢板的厚度，可有效减小组合板的挠度，减小侧面钢板厚度对组合板挠度变化影响不大。提高顶底面钢板厚度和降低侧面钢板厚度均能提高混凝土核心吸收能量的比率且降低背爆面钢板吸收能量的比率，均可减轻组合板背爆面钢板的破坏。
The dynamic performance of the steel-concrete-steel composite plate under two-point air blast loads was analyzed by the nonlinear dynamics software ABAQUS. The results show that the failure mode of the composite plate is related with the delay time of detonations. When the two points are detonated simultaneously, the composite plate is mainly damaged by bending, and there are some obvious cracks in the centre of the back side and the supports of the concrete core. The peak value of vibration velocity is the largest because of the shock wave coupling by simultaneous initiation of the two points, and the maximum deflection of the composite plate decreases gradually with the increase of delay time. Increasing moderately the thickness of the top and bottom steel plates can significantly reduce the deflection of the composite plate, while reducing the thickness of the side steel plates has no obvious change in the deflection of composite plate. The two ways can both improve the energy absorption ratio of the concrete core and reduce that of the steel plate opposite to the blasting side, and therefore decrease the damage to the steel plate opposite to the blasting side.

关键词(KeyWords)： 多点爆炸;数值模拟;钢-混凝土-钢组合板;动力响应
multi-point blast;numerical simulation;steel-concrete-steel composite plate;dynamic response

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(52178461);; 辽宁省高等学校优秀人才资助项目(LJQ2014063);; 辽宁省自然科学基金资助项目(20170540441);; 大连民族大学人才引进科研启动基金项目资助(110233)

作者(Author): 李帅清,曲艳东,于跃,李佳琦,左胜楠
LI Shuai-qing,QU Yan-dong,YU Yue,LI Jia-qi,ZUO Sheng-nan

DOI: 10.19931/j.EB.20210106

参考文献(References)：

• [1] WANG Y H,ZHAI X M,LEE S C,et al.Responses of curved steel-concrete-steel shells subjected to blast loading [J].Thin-Walled Structures,2016,108:185-192.
• [2] 秦彦帅，曲艳东，李继野，等.爆炸冲击载荷下钢板-混凝土组合结构的动态性能和破坏机理研究进展[J].混凝土与水泥制品，2021(3):82-87.QIN Y S,QU Y D,LI J Y,et al.Research progress on dynamic performances of steel plate concrete composite structures under blast loads [J].China Concrete and Cement Products,2021(3):82-87.
• [3] QU Y D,LIU W L,GWRZO M,et al.Parametric study of anti-explosion performance of reinforced concrete T-shaped beam strengthened with steel plates[J].Construction and Building Materials,2017,156:692-707.
• [4] 柳锦春，方秦，张亚栋，等.爆炸荷载作用下内衬钢板的混凝土组合结构的局部效应分析[J].兵工学报，2004(6):773-776.LIU J C,FANG Q,ZHANG Y D,et al.Analysis of local effects on steel-backed concrete composite structures under blast loading[J].Acta Armamentarii,2004(6):773-776.
• [5] 姜鹏飞，叶琳，伍俊.爆炸冲击波作用下钢板-混凝土组合结构受力性能分析[J].武汉理工大学学报，2013,35(5):95-98.JIANG P F,YE L,WU J.Analysis on dynamic properties of steel plate concrete composite structure under blast waves[J].Journal of Wuhan University of Technology,2013,35(5):95-98.
• [6] LIEW J Y R,SOHEL K M A,KOH C G.Impact tests on steel-concrete-steel beams with light weight concrete core [J].Engineering Structures,2009,31(9):2 045-2 059.
• [7] LAN S,LOK T S,HENG L.Composite structural panels subjected to explosive loading [J].Construction and Building Materials,2005,19(5):387-395.
• [8] LIU B,ZHANG Z,ZHANG M,et al.Experimental study of the mechanical performance of corrugated steel plate concrete composite structures[J].International Journal of Steel Structures,2019,19(3):733-746.
• [9] 彭先泽，杨军，李顺波，等.爆炸冲击载荷作用下双层钢板混凝土板与钢筋混凝土板动态响应对比研究[J].防灾科技学院学报，2012,14(3):18-23.PENG X Z,YANG J,LI S B,et al.Comparative study on dynamic response of bi-steel slab and reinforced concrete slab under blast loading [J].Journal of Institute of Disaster Prevention,2012,14(3):18-23.
• [10] 曲艳东，秦彦帅，于跃，等.爆炸载荷作用下钢-混凝土-钢组合板的动态响应数值模拟[J].高压物理学报，2021,35(2):136-144.QU Y D,QIN Y S,YU Y,et al.Numerical simulation on dynamic performances of steel-concrete-steel composite plate under blast loads [J].Chinese Journal of High Pressure Physics,2021,35(2):136-144.
• [11] LIEW J Y R,WANG T Y.Novel steel-concrete-steel composite plates subject to impact and blast load [J].Advances in Structural Engineering,2011,14(4):673-687.
• [12] 余俊，盛振新，毛海斌，等.水下多点爆炸条件下的冲击波载荷特性[J].高压物理学报，2021,35(2):122-129.YU J,SHENG Z X,MAO H B,et al.Load characteristics of shock wave under condition of multiple underwater explosion[J].Chinese Journal of High Pressure Physics,2021,35(2):122-129.
• [13] 孟闻远，郭军伟，郭颍奎，等.两点爆炸冲击波对冰的破坏效应的仿真分析[J].华北水利水电大学学报(自然科学版),2014,35(1):22-25.MENG W Y,GUO J W,GUO Y K,et al.Simulation and analysis of damage effect of double explosions shock wave on the ice [J].Journal of North China University of Water Resources and Electric Power (Natural science edition),2014,35(1):22-25.
• [14] WANG G Y,CAO A S,WANG X Y,et al.Numerical simulation of the dynamic responses and damage of underground cavern under multiple explosion sources [J].Engineering Failure Analysis,2021,120,105085.
• [15] SONG Y F,ZHANG Q.Multiple explosions induced by the deposited dust layer in enclosed pipeline [J].Journal of Hazardous Materials,2019,371:423-432.
• [16] 中华人民共和国住房和城乡建设部.混凝土结构设计规范：GB 50010-2010[S].北京：中国建筑工业出版社，2015.Ministry of Housing and Urban-Rural Development of the People's Republic of China.Code for design of concrete structures:GB 50010-2010[S].Beijing:China Architecture and Building Press,2015.
• [17] 刘巍，徐明，陈忠范.ABAQUS混凝土损伤塑性模型参数标定及验证[J].工业建筑，2014(S1):167-171.LIU W,XU M,CHEN Z F.Parameters calibration and verification of concrete damage plasticity model of ABAQUS [J].Industrial Construction,2014(S1):167-171.
• [18] LUBLINER J,OLIVER J,OLLER S,et al.A plastic damage model for concrete [J].International Journal of Solids and Structures,1989,25(3):299-329.