核工程钢板混凝土墙防撞击贯穿实用计算方法

王菲 刘晶波 韩鹏飞 宝鑫 王晓峰 李述涛

王菲, 刘晶波, 韩鹏飞, 宝鑫, 王晓峰, 李述涛. 核工程钢板混凝土墙防撞击贯穿实用计算方法[J]. 爆炸与冲击, 2020, 40(10): 105101. doi: 10.11883/bzycj-2020-0020
引用本文: 王菲, 刘晶波, 韩鹏飞, 宝鑫, 王晓峰, 李述涛. 核工程钢板混凝土墙防撞击贯穿实用计算方法[J]. 爆炸与冲击, 2020, 40(10): 105101. doi: 10.11883/bzycj-2020-0020
WANG Fei, LIU Jingbo, HAN Pengfei, BAO Xin, WANG Xiaofeng, LI Shutao. A practical calculation method of steel plate concrete walls to resist perforation from missile impact in nuclear engineering[J]. Explosion And Shock Waves, 2020, 40(10): 105101. doi: 10.11883/bzycj-2020-0020
Citation: WANG Fei, LIU Jingbo, HAN Pengfei, BAO Xin, WANG Xiaofeng, LI Shutao. A practical calculation method of steel plate concrete walls to resist perforation from missile impact in nuclear engineering[J]. Explosion And Shock Waves, 2020, 40(10): 105101. doi: 10.11883/bzycj-2020-0020

核工程钢板混凝土墙防撞击贯穿实用计算方法

doi: 10.11883/bzycj-2020-0020
基金项目: 国家科技重大专项(2018ZX06902016)
详细信息
    作者简介:

    王 菲(1984- ),女,博士研究生,讲师,wangf17@mails.tsinghua.edu.cn

    通讯作者:

    刘晶波(1956- ),男,博士,教授,liujb@mail.tsinghua.edu.cn

  • 中图分类号: O385

A practical calculation method of steel plate concrete walls to resist perforation from missile impact in nuclear engineering

  • 摘要: 针对带对拉钢筋的双钢板混凝土墙,研究了双钢板混凝土墙防贯穿计算方法,建立了基于能量法的防贯穿计算公式。在已知弹体和钢板混凝土墙体材料与几何相关参数时,利用防贯穿实用计算公式可对带对拉钢筋的核工程双钢板混凝土墙体贯穿速度以及弹体剩余速度进行计算,避免了复杂的结构抗撞击反应动力时程数值分析。为验证公式的可靠性,将公式计算结果与已有刚性弹体撞击双钢板混凝土墙实验结果及其动力有限元计算结果进行对比,结果表明:防贯穿实用计算公式可以正确判断双钢板混凝土墙的贯穿状态,实用计算公式给出的弹体剩余速度与实验结果符合良好。为进一步验证公式的适用范围,将公式计算结果与共10个工况的飞机发动机撞击双钢板混凝土墙的有限元计算结果进行了对比分析,结果表明:除1个工况计算结果偏差略超10%外,其余工况的偏差均在10%以内,说明该计算方法合理可行。
  • 图  1  弹体撞击带对拉钢筋的双钢板混凝土墙机理图

    Figure  1.  Mechanism diagram of missile impacting on SC wall with tied bars

    图  2  弹体及弹-靶有限元模型(SCS-175-6T)

    Figure  2.  Overview of missile and missile-wall FE models (SCS-175-6T)

    图  3  双钢板毁伤情况(SCS-175-6T)

    Figure  3.  Failure of steel plates (SCS-175-6T)

    图  4  双钢板毁伤情况(SCS-250-6T)

    Figure  4.  Failure of steel plates (SCS-250-6T)

    图  5  不同撞击速度下双钢板混凝土墙(SCS-175-4T)后钢板毁伤情况

    Figure  5.  Rear steel plates failure shape of SC walls at different impact velocities (SCS-175-4T)

    图  6  不同撞击速度下弹体的速度时程曲线(SCS-175-4T)

    Figure  6.  Velocity-time curves of the missile at different impact velocities (SCS-175-4T)

    图  7  工况C 5、C6飞机发动机有限元模型

    Figure  7.  Aircraft engine FE models of cases C5 and C6

    图  8  工况C6有限元模型

    Figure  8.  FE model of case C6

    表  1  钢板计算参数

    Table  1.   Calculation parameters of steel plate

    密度${\rho _{\rm{s}}}$/(kg·m−3)屈服强度$\sigma $ /MPa弹性模量Es /GPa厚度Hs/mm无量纲参数B应变强化指数n
    7.8×10330721061.10.08[10]
    下载: 导出CSV

    表  2  混凝土计算参数

    Table  2.   Calculation parameters of concrete

    密度${\rho _{\rm{c}}}$/(kg·m−3)抗压强度fc/MPa抗拉强度设计值ft1 / MPa厚度Hc/m
    2.37×10350.0751.90.163或0.238
    下载: 导出CSV

    表  3  公式计算及实验结果

    Table  3.   Formula calculation and test results

    钢板撞击速度v/(m·s−1)贯穿速度vp/(m·s−1)破坏形式剩余速度vkr/ (m·s−1)
    公式计算
    (未考虑栓钉)
    公式计算
    (考虑栓钉)
    公式计算实验公式计算
    (未考虑栓钉)
    公式计算
    (考虑栓钉)
    实验
    SCS-175-6T152.4140.7143.8贯穿贯穿41.534.333.9
    SCS-250-6T147.7155.0159.7未贯穿未贯穿000
    下载: 导出CSV

    表  4  有限元模型材料(MAT003)参数

    Table  4.   Material parameters for FE models

    组件密度/(kg·m−3)屈服强度/MPa杨氏模量 /GPa切线模量 /MPa泊松比侵蚀参数失效应变
    CP
    钢板(6 mm)7.8×1033072106030.34050.28
    栓钉7.8×1033452105040.34050.30
    弹体7.8×1032502105020.34050.30
    下载: 导出CSV

    表  5  数值计算和实验结果

    Table  5.   Numerical analysis and test results

    钢板撞击速度v/(m·s−1)破坏形式剩余速度vkr/(m·s−1)
    有限元模拟实验有限元模拟实验
    SCS-175-6T152.4贯穿贯穿28.733.9
    SCS-250-6T147.7鼓包鼓包 0 0
    下载: 导出CSV

    表  6  双钢板混凝土墙贯穿速度对比

    Table  6.   Comparison of perforation velocities of SC walls

    钢板贯穿速度/(m·s−1)偏差/%
    公式计算(未考虑栓钉)公式计算(考虑栓钉)有限元分析未考虑栓钉考虑栓钉
    SCS-175-6T140.7143.8148−4.93−2.84
    SCS-250-6T155.0159.7161−3.73−0.81
    下载: 导出CSV

    表  7  飞机发动机撞击双钢板混凝土墙的贯穿速度对比

    Table  7.   Comparison of perforation velocities for SC walls subjected to an aircraft engine

    工况发动机类型发动机质量/kg发动机直径/m发动机总长/m混凝土墙厚度/m贯穿速度/(m·s−1)偏差/%
    公式计算有限元分析
    C1实心 9980.50.6500.48128.3126 1.83
    C2圆柱壳 9980.50.6500.48128.3129−0.54
    C3实心 2 0031.01.9500.48169.9162 4.88
    C4圆柱壳 2 0031.01.9500.48169.9174−2.36
    C5实心 4 5001.53.0000.48166.915110.53
    C6圆柱壳 4 5001.53.0000.48166.9159 4.97
    C7实心 8 0142.04.2250.98178.2178 0.11
    C8圆柱壳 8 0142.04.2250.98178.2187−4.71
    C9实心17 3392.56.0000.98147.9137 7.96
    C10圆柱壳17 3392.56.0000.98147.9146 1.30
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-01-14
  • 修回日期:  2020-05-25
  • 网络出版日期:  2020-09-25
  • 刊出日期:  2020-10-05

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