191．3吨高威炸药在13秒种内,将18．63万立方米混凝土“掀翻”。专家介绍:“这次爆破采用了高威力炸药,爆力是普通炸药的1．5倍。在技术上,采用了防水型导爆索、数码雷管等。在坝上游爆破形成缺口进行坝体倾倒拆除的方式,在国内外还没有先例。在火工材料的选用上,均超越了现行的国家标准。” 191.3 tons of high-Granville explosives within 13 seconds, the 186,300 cubic meters of concrete “overturned.” Expert introduction: “The blasting used high-power explosives, explosion power is 1.5 times the ordinary explosives. Technically, using a detonating cord waterproof, digital detonators, etc. In the dam upstream to form a gap burst blasting dams There is no precedent at home and abroad in the way of demolition, and the selection of firework materials surpasses the current national standards. ”