论文部分内容阅读
华蓥市位于106°40′—106°54′E,30°07′—30°28′N,川中丘陵东缘,华蓥山中段西坡。全市面积427.6平方公里,人口31.4万。人口密度为733人/平方公里。它是四川重要煤田之一,也是四川建材、机械工业基地之一。 近年来,特别是1985,1986两年,华蓥市出现严重山地灾害,损失巨大。1985年5月14日,市辖南部的溪口河上游支沟阎王沟和唐家河坝沟中上段,4小时内降水163.0毫米,导致山洪冲蚀沟床及两岸小煤窑、煤矿和耐火材料厂堆弃土石、矿碴和煤矸石,逐渐演变成泥石流,使岳池县红岩煤矿、国营燎原机械制造厂和溪口镇等单位直接、间接经济损失达308万元。燎原厂区内的排洪道全部被容重
Huatuo is located at 106 ° 40’-106 ° 54’E, 30 ° 07’-30 ° 28’N, east of the Central Sichuan Hilly and west slope of the Huaying Mountain. The city area of 427.6 square kilometers, population 314,000. The population density is 733 persons / km 2. It is one of the important coalfields in Sichuan and one of the building materials and machinery industrial bases in Sichuan. In recent years, especially in 1985 and 1986, Huashao City suffered a serious mountainous disaster with huge losses. May 14, 1985, the southern jurisdiction of the upper reaches of the Xikou River branch Yan Wang ditch and Tangjiahe dam ditch upper, 163.0 millimeters within 4 hours of precipitation, leading to flash flood trench bed and the two sides of the small coal mines, coal mines and refractories reactor Abandoned soil, mineral ballast and coal gangue, and gradually evolved into debris flows, so that the Hongyan Coal Mine in Yuechi County, State-owned Liaoyuan Machinery Factory and Xikou Zhen and other units of direct and indirect economic losses of 3.08 million yuan. Start a prairie fire in the area of the floodgates were all bulk