钢筋混凝土端面重墙结构的抗爆性能规律

doi:10.3969/j.issn.1000-1093.2022.01.014

摘要/Abstract

摘要： 为研究钢筋混凝土端面重墙结构在爆炸冲击波下的抗爆性能，依据最大TNT当量为300 kg的现场试验，对D1、D2、D3 3种不同构型端面重墙的损伤破坏规律进行数值模拟研究。基于LS-DYNA有限元分析软件，建立流体和固体耦合数值模型，计算得到3种重墙房屋结构在爆炸冲击波作用下的破坏形态，并利用试验结果校正模型参数。进一步利用ConWep算法进行爆炸载荷加载，通过控制药量和爆距，得到不同超压和冲量载荷下重墙结构的破坏特征。以重墙的残余倾覆角作为划分依据，将计算结果分为3种破坏等级，拟合得到的超压-冲量曲线和药量-距离曲线可用于燃烧爆炸品厂房安全距离和仓库容量设计以及意外爆炸下的破坏程度评估。对比3种相似结构不同尺寸重墙的超压-冲量曲线，发现小尺寸D2构型的抗爆性能最差；当爆炸载荷超压较小时，大尺寸D3构型与D1构型抗爆性能相似；当超压较大时，D3构型的破坏形式发生变化，超压-冲量曲线发生右倾现象。

关键词: 钢筋混凝土, 端面重墙, 抗爆性能, ConWep算法, 损伤等级, 超压-冲量曲线

Abstract: To study the performance of reinforced concrete blast resistant wall under explosion shock wave, the damage laws of D1, D2 and D3 walls are studied by numerical simulation based on the test with maximum TNT equivalent of 300 kg. Based on LS-DYNA finite element software, a fluid-solid coupling numerical model is applied to calculate the failure modes of the walls under explosion, and the model parameters are corrected according to the test results. ConWep algorithm is used to apply the explosive load, and the failure characteristics of the walls under different overpressures and impulse loads are simulated by controlling the charge mass and explosive distance. Based on the residual dip angle of blast resistant wall after explosion, the numerically calculated results are divided into three damage levels. The overpressure-impulse curve and the charge mass-explosive distance curve obtained by fitting can be used for designing the safety distance of burning explosive plant and the warehouse capacity, and estimating the degree of damage under accidental explosion. By comparing the overpressure-impulse curves of three configurations of walls, it is found that the blast resistance of small size D2 is the weakest; when the peak overpressure of explosion load is small, the blast resistance of D3 is similar to that of D1; and when the overpressure is large, the failure mode of D3 changes, and the overpressure-impulse curve has a tendency of right deviation.

Key words: reinforcedconcrete, blastresistantwall, anti-blastperformance, ConWepalgorithm, damagelevel, overpressure-impulsecurve

中图分类号:

O383⁺.2

王成，杨靖宇，迟力源，王万里，陈泰年. 钢筋混凝土端面重墙结构的抗爆性能规律[J]. 兵工学报, 2022, 43(1): 131-139.

WANG Cheng， YANG Jingyu， CHI Liyuan， WANG Wanli， CHEN Tainian. On the Blast Resistance Performance of Large-scale Reinforced Concrete Wall[J]. Acta Armamentarii, 2022, 43(1): 131-139.

参考文献

［1］ Structures toresist the effects of accidental explosions: TM5-1300/NAVFAC P-397/AFR 88-22[S]. Washington, DC, US: U.S. Departments of the the Army, Navy and the Air Force, 1990.
[2] Structures to resist the effects of accidental explosions: UFC 3-340-02[S]. Washington, DC, US: Department of Defense, 2008: 1042-1280.
[3] COUNCIL N R. Protecting people and buildings from terrorism: technology transfer for blast-effects mitigation[M]. Washington, DC，US: The National Academies Press, 2001: 98.
[4] MORISON C M. Dynamic response of walls and slabs by single-degree-of-freedom analysis — a critical review and revision[J]. International Journal of Impact Engineering, 2006, 32(8): 1214-1247.
[5] WENG J, LEE C K, TAN K H. Simplified dynamic assessment for reinforced-concrete structures subject to column removal scenarios[J]. Journal of Structural Engineering, 2020,146(12): 04020278.
[6] JAYASOORIYA R, THAMBIRATNAM D P, PERERA N J, et al. Blast and residual capacity analysis of reinforced concrete framed buildings[J]. Engineering Structures, 2011, 33(12): 3483-3495.
[7] 汪维, 张舵, 卢芳云, 等. 方形钢筋混凝土板的近场抗爆性能[J]. 爆炸与冲击, 2012, 32(3): 251-258.
WANG W, ZHANG D, LU F Y, et al. Anti-explosion performances of square reinforced concrete slabs under close-in explosions [J]. Explosion and Shock Waves, 2012, 32(3): 251-258. (in Chinese)
[8] 汪维, 刘瑞朝, 李林, 等. 不同爆炸距离下单向支撑方形钢筋混凝土板破坏模式数值模拟研究[J]. 兵工学报, 2015, 36(增刊1): 233-241.
WANG W, LIU R C, LI L, et al.Numerical simulation of one-way square reinforced concrete slab at different blast distances[J]. Acta Armamentarii, 2015, 36(S1): 233-241. (in Chinese)
[9] 师燕超. 爆炸荷载作用下钢筋混凝土结构的动态响应行为与损伤破坏机理[D]. 天津:天津大学, 2009.
SHI Y C. Dynamic response and damage mechanism of reinforced concrete structures under blast loading[D]. Tianjin: Tianjin University, 2009. (in Chinese)
[10] 张帝, 杨军, 曾丹, 等. 钢筋混凝土排架结构的抗爆破坏等级[J]. 爆炸与冲击. 2020, 40(12): 46-57.
ZHANG D, YANG J, ZENG D, et al.Damage grades of reinforced concrete bent structures against blast[J]. Explosion and Shock Waves, 2020, 40(12): 46-57. (in Chinese)
[11] CHERNIN L, VILNAY M, COTSOVOS D M. Extended P-I diagram method[J]. Engineering Structures, 2020, 224: 111217.
[12] 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, 2017.
Ministry of Housingand Urban-Rural Construction of the People's Republic of China. Code for design of concrete structures: GB 50010—2010[S]. Beijing: China Architecture & Building Press, 2017. (in Chinese)
[13] MALVAR L J, CRAWFORD J E, WESEVICH J W, et al. A plasticity concrete material model for DYNA3D[J]. International Journal of Impact Engineering, 1997, 19(9/10): 847-873.
[14] MAGALLENES J M, WU Y, MALVAR L J, et al. Recent improvements to release III of the K&C concrete model[C]∥Proceedings of the 11th International LS-DYNA^ Users Conference. Livermore, CA, US: Livermore Software Technology Corporation, 2010: 6-8.
[15] TU Z G, LU Y. Evaluation of typical concrete material models used in hydro-codes for high dynamic response simulations[J]. International Journal of Impact Engineering, 2009, 36(1): 132-146.
[16] SU Q, WU H, SUN H S, et al. Experimental and numerical studies on dynamic behavior of reinforced UHPC panel under medium-range explosions[J]. International Journal of Impact Engineering, 2021, 148: 103761.
[17] 王军国. 喷涂聚脲加固粘土砖砌体抗动载性能试验研究及数值分析[D]. 合肥:中国科学技术大学, 2017.
WANG J G. Experimental and numerical investigation of clay brick masonry walls strengthened with spary polyurea elastomer under blast loads[D]. Hefei: University of Science and Technology of China, 2017. (in Chinese)
[18] IMBALZANO G, LINFORTH S, NGO T D, et al. Blast resistance of auxetic and honeycomb sandwich panels: comparisons and parametric designs[J]. Composite Structure, 2018, 183: 242-261.
[19] CASTEDO R, SEGARRA P, ALAON A, et al. Air blast resistance of full-scale slabs with different compositions: numerical modeling and field validation[J]. International Journal of Impact Engineering, 2015, 86: 145-156.
[20] 杨军, 张帝, 任光. 基于CONWEP动态加载的建筑物爆破拆除数值模拟[J]. 工程爆破, 2016, 22(5): 1-6.
YANG J, ZHANG D, REN G. Numerical simulation of blasting demolition of buildings and structures based on CONWEP dynamic loading[J]. Engineering Blasting, 2016, 22(5): 1-6. (in Chinese)
[21] SOUTIS C, MOHAMED G, HODZIC A. Modelling the structural response of GLARE panels to blast load[J]. Composite Structures, 2011, 94(1): 267-276.
[22] LI Z X, DU H. Numerical analysis of dynamic behavior of RC slabs under blast loading[J]. Transactions of Tianjin University, 2009, 15(1): 61-64.
[23] Keyword user's manual [M]. Livermore, CA, US: Livermore Software Technology Corporation, 2006.
[24] OSWALD C J, SKERHUT D. FACEDAP user's manual[M]. San Antonio, TX, US: Southwest Research Institute, 1993.
[25] 李天华. 爆炸荷载下钢筋混凝土板的动态响应及损伤评估[D]. 西安:长安大学, 2012.
LI T H. Dynamic response and damage assessment of reinforced concrete slabs subjected to blast loading[D]. Xi'an: Chang'an University, 2012. (in Chinese)
[26] WEI X Y, HUANG T, LI N. Numerical derivation of pressure-impulse diagrams for unreinforced brick masonry walls[J]. Advanced Materials Research, 2011, 368/369/270/371/372/373: 1435-1439.

[1]	宁建国，李钊，马天宝，许香照. 动能弹高速侵彻钢筋混凝土靶时弹丸头部质量侵蚀微观机理[J]. 兵工学报, 2021, 42(9): 1809-1818.
[2]	闫俊伯, 刘彦, 李亚飞, 徐梓熙, 黄风雷. 不同强度混凝土及钢筋对钢筋混凝土柱抗爆性能的影响[J]. 兵工学报, 2021, 42(3): 530-544.
[3]	杨建超，汪剑辉，陈力，孔德锋，赵洪祥. POZD涂层钢筋混凝土板抗震塌性能[J]. 兵工学报, 2021, 42(1): 133-140.
[4]	张昊，王海福，余庆波，郑元枫. 活性射流侵彻钢筋混凝土靶后效超压特性[J]. 兵工学报, 2019, 40(7): 1365-1372.
[5]	戴湘晖，段建，周刚，初哲，王可慧，古仁红，李明，杨慧，沈子楷. 低速弹体贯穿钢筋混凝土多层靶的破坏特性[J]. 兵工学报, 2018, 39(4): 698-706.
[6]	孔祥韶，王旭阳，徐敬博，郑成，徐双喜，袁天, 吴卫国. 复合防护液舱抗爆效能对比试验研究[J]. 兵工学报, 2018, 39(12): 2438-2449.
[7]	武海军，张爽，黄风雷. 钢筋混凝土靶的侵彻与贯穿研究进展[J]. 兵工学报, 2018, 39(1): 182-208.
[8]	刘俊，田宙，钟巍，谢淑红. 冲击波作用下单层钢化玻璃抗爆性能的数值模拟研究[J]. 兵工学报, 2017, 38(7): 1402-1408.
[9]	李勇，程远胜，张攀，刘均. 空中爆炸载荷下梯度波纹夹层板抗爆性能仿真研究[J]. 兵工学报, 2017, 38(6): 1131-1139.
[10]	张爽，武海军，黄风雷. 刚性弹正侵彻钢筋混凝土靶阻力模型[J]. 兵工学报, 2017, 38(11): 2081-2092.
[11]	汪维, 刘瑞朝, 吴飚, 李林, 黄家蓉, 王幸. 爆炸荷载作用下钢筋混凝土梁毁伤判据研究[J]. 兵工学报, 2016, 37(8): 1421-1429.
[12]	马海洋，龙源₁，刘好全₁，周翔₁，杨力₁，张洋溢₁，钟明寿₁，赵长啸₁. 非金属复合材料抗爆性能研究[J]. 兵工学报, 2012, 33(9): 1081-1087.
[13]	袁建虎, 唐建, 吕振坚, 安立周. 钢丝网高强混凝土抗爆性能试验研究[J]. 兵工学报, 2012, 33(3): 373-378.
[14]	陈万祥₁，郭志昆，叶均华₂. 爆炸荷载作用下柔性边界钢筋混凝土梁的动力响应与破坏模式分析[J]. 兵工学报, 2011, 32(10): 1271-1277.
[15]	陈力，方秦，郭志昆. 强动载作用下钢筋混凝土梁板结构面力效应的增量解法[J]. 兵工学报, 2010, 31(6): 735-740.