Glass used to decorate the outer wall of a building is the first to receive the impact of an explosion. The article is aiming to determine the safety distance for the frame-supported glass under explosion of small-load of gunpowder and the anti-explosive capacity is researched about the frame-supported glass under explosive load, which leads to the conclusion that the computational formula for determining the safety distance under explosion in China is too conservative and thus brings forth a new method by use of the blast overpressure peaks.%在发生爆炸时作为建筑外墙装饰的玻璃首先受到冲击作用，本文分析小药量作用下框支玻璃的安全距离确定方法，并且进行了爆炸荷载作用下框支玻璃的抗爆性能的试验研究．最后提出了小药量爆炸下国内关于玻璃抗爆安全距离计算公式偏保守和可以用爆炸冲击波超压峰值来确定玻璃抗爆安全距离．
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