By physical model test, the response of end-anchored rockbolt close to working face is studied under blasting loading in mass charge.

通过物理模型试验，研究集中装药爆炸荷载作用下临近工作面端锚锚杆的动态响应。

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A blasting measuring system which include plane wave producer was set up to measure the strain time curves of the rock bar under blasting loading.

以平面波发生器为加载源的爆炸测试系统，直接得出爆炸作用下岩石的应变历程曲线。

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In this paper a blasting measuring system which include plane-wave producer was set up to measure the strain-time curves of the rock bar under blasting loading.

以平面波发生器为加载源的爆炸测试系统，直接得出爆炸作用下岩石的应变历程曲线。

youdao

Common uses for black powder include as gunpowder in muzzle-loading guns, as a blasting powder and as a propellant in rockets for fireworks.

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