一种专用于城区、厂矿、车间内基建土石方施工的无爆炸危险的高能破碎剂,最近由重庆市第一市政工程公司业余科研组初试制成功。 长期以来,城市基础建设及城区房屋建设和企事业单位内基建施工中的土石方和混凝土破碎,一直沿用两种十分困难的方法。一种是用炸药爆破。这种方法虽 A special high-energy explosive agent for explosion-proof construction of earthwork in urban areas, factories, mines and workshops in the workshop was recently successfully put into trial by amateur research group of Chongqing No.1 Municipal Engineering Company. For a long time, two very difficult methods have been used in urban infrastructure construction, urban housing construction and earthwork and concrete destruction in infrastructure construction in enterprises and institutions. One is explosives with explosives. Although this method