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1991年1月27日广东惠州港进行了一次总装药量3110吨的硐室大爆破工程,取得了圆满成功。该爆破工程装药量居国内第三,是近二十余年来最大的。工程目的是把离岸500余米的芝麻州岛夷平,修建油汽码头。爆破方量540万米~3,向岸边抛掷,其他方向松动,设计特点是:1.条形药包微差起爆,实现了远距离抛掷和比较均匀的松动破碎;2.采用了95％的冷混铵油炸药,节省投资300余万元;3.爆区发现大小断层148条,针对这种地质条件,设计上采取了一系列措施,积累了一些经
January 27, 1991 in Huizhou, Guangdong conducted a total charge of 3110 tons chamber blasting project and achieved great success. The blasting charge ranks third in the country and is the largest in nearly 20 years. The project aims to flatten the sesame island more than 500 meters offshore, build oil and gas terminal. Explosion side of the amount of 5.4 million meters to 3, thrown to the shore, the other direction of loosening, the design features are: 1. Strip-shaped kits differential initiation, to achieve a long-distance throwing and more uniform loose broken; 2. 95% Of the cold mixed ammonium oil explosives, saving more than 300 million investment; 3 blast area found fault size 148, in view of this geological conditions, the design has taken a series of measures to accumulate some of the