目前,在基建施工中常用的炸药有四种:梯恩梯(TNT)、硝铵、胶质和黑色火药。1.梯恩梯(TNT):又名三硝基甲苯,有鳞片的、压榨的和熔铸的三种。颜色为淡黄色或黄褐色。味苦,有毒,爆炸后的烟也有毒,不能用于不通风的作业场。安定性很好,对摩擦和冲击的敏感性不大。块状的不易受潮,适用于水中爆破; At present, there are four kinds of explosives commonly used in infrastructure construction: TNT, ammonium nitrate, colloid and black powder. 1. TNT: Also known as trinitrotoluene, there are three kinds of scales, squeezed and cast. The color is light yellow or tan. Bitter, poisonous, the smoke after the explosion is also toxic, can not be used for unventilated workplaces. The stability is good, and the sensitivity to friction and impact is not great. Block-like is not easy to damp, suitable for underwater blasting;