讨论了地面控制爆破对人、物的有害效应，并提出了控制爆破的安全与防护措施。

Discussing the harmful effect of blasting controlled on the ground to persons and objects. And offering the ways how to prevent it.

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爆破震动是爆破的主要有害效应之一。

Vibration is one of the most damaging effects of blasting.

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爆破震动是爆破的主要有害效应之一。

Vibration is one of the most damaging effects of blasting.

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