Page 131 - 《爆炸与冲击》2026年第3期
P. 131
第 46 卷 第 7 期 爆 炸 与 冲 击 Vol. 46, No. 7
2026 年 7 月 EXPLOSION AND SHOCK WAVES Jul., 2026
DOI:10.11883/bzycj-2025-0220
风致飞射物冲击下钢化玻璃破坏的边界条件效应
及碎片分布量化模型 *
2
1
李昊洋 ,陈 力 ,刘用海 1
(1. 宁波建工建乐工程有限公司,浙江 宁波 315020;
2. 东南大学土木工程学院,江苏 南京 214135)
摘要: 针对老旧建筑单层钢化玻璃幕墙抗风致飞射物冲击的安全隐患,填补既有研究多聚焦夹层玻璃或爆炸荷
载的空白,旨在量化风致飞射物冲击下单层钢化玻璃的破坏特征、碎片分布规律及参数耦合影响机制。通过系统设计
混合正交冲击实验,综合考查冲击类型、冲击物质量、速度、角度、边界条件及玻璃厚度和正方形表面边长等 7 个关
键因素对玻璃的破坏模式和碎片质量分布的影响。基于实验矩阵的极差分析与方差解析,量化揭示了各参数对玻璃
破坏特征、冲击物速度衰减率及碎片质量分布特征的敏感性权重。依据量纲齐次原理与 Π 定理,构建了表征碎片质
量分布规律的无量纲函数关系式框架。基于实验数据,通过正交距离回归迭代算法拟合确立半经验预测公式的参数
取值,验证公式具有明确的物理意义与预测可靠性。结果表明:边界条件对玻璃破坏程度和碎片飞散起决定性作用
(解释 53.1% 的大块碎片总质量变化、97.9% 的破坏面积变化),明框支撑工况碎片质量最低(最优防飞散方案),隐框
支撑冲击物动能衰减率最大但碎片量次之(最优抗冲击方案),点支撑工况下玻璃均完全破碎(高危工况);冲击物的冲
击角度、速度和玻璃表面边长对钢化玻璃的破坏响应也有显著影响。研究采用效应量分析 (η ) 方法量化各参数对破
2
坏行为的敏感性权重,建立了钢化玻璃冲击破坏的参数影响层次体系。最终建立的预测公式能精准表征钢化玻璃破
碎特征,为建筑围护系统抗风设计提供关键理论依据。
关键词: 风致飞射物;冲击作用;钢化玻璃;影响程度;量纲分析;预测公式
中图分类号: O383 国标学科代码: 1303520 文献标志码: A
Boundary condition effects on failure of tempered glass subject to wind-borne
debris impact and a quantification model for fragment distribution
1
2
LI Haoyang , CHEN Li , LIU Yonghai 1
(1. Ningbo Jiangong Jianle Engineering Co., Ltd., Ningbo 315020, Zhejiang, China;
2. School of Civil Engineering, Southeast University, Nanjing 214135, Jiangsu, China)
Abstract: This study addressed critical safety concerns in wind-resistant design of building envelope systems, aiming to
quantify secondary fragmentation effects and potential risks from tempered glass breakage under wind-borne debris impact. A
systematic orthogonal experimental design was developed and implemented to comprehensively investigate the influence of
seven key parameters on failure modes and fragment mass distribution. These parameters include impact type (point-to-surface
and surface-to-surface), impactor mass (30 and 50 g), impact velocity (50, 100, and 150 m/s), impact angle (60°, 75°, and 90°),
boundary conditions (exposed frame support, concealed frame support, and point fixing), glass thickness (6 and 8 mm), and
glass square surface side length (110, 200, 290 mm). A single-stage light-gas gun was employed to reproduce wind-borne
debris impact scenarios with a velocity measurement accuracy of ±5 m/s. Two high-speed cameras were used to record the
dynamic response and crack propagation process of glass during impact, while an oscilloscope was utilized to collect strain
* 收稿日期: 2025-07-16;修回日期: 2025-12-18
第一作者: 李昊洋(1994- ),男,博士,工程师,lhy19940313@126.com
通信作者: 陈 力(1982- ),男,博士,教授,博士生导师,li.chen@seu.edu.cn
073302-1

