试论河北省的岩溶地质灾害

河北省的岩溶地质灾害具有频度高、强度大、灾情重的特点,它分布在太行山、燕山的山前地带和第四系复盖的可溶性碳酸盐岩区,对煤矿、铁矿资源和城市建筑具有较大的威胁,秦皇岛市水源地报废,开滦范各庄煤矿和峰峰煤矿等矿区的经济效益遭受巨大损失,唐山市体育场训练中断,多座水库、坝基几乎建成就报废等等。皆因岩溶地面塌陷、岩溶陷落柱突水、岩溶裂隙渗漏所致,为此,人们应对岩溶地质灾害加深认识,提高防灾意识。

PRELIMINARY STUDY ON KARST GEOLOGICAL DISASTER OF HEBEI PROVINCE

The karst geological disaster of Hebei province is characterized by high freguency,great strength,and serious results. It distributes over the region of solubility carbonnate rock within the limits of piedmont of the Tai Hang mountains,the Yam Shan mountains ,and under Quaternary system overlying. It considerably threats the resources of coal and iron and the city buildings. The water supply of Qinhuangdao had become invalid. Fangezhuang and Feng Feng Coal Mines have sustained huge losses. The athletes training was suspended in Tangshan stadium, no sooner had many resevoirs and dam-grounds been built than they were invalided. All these were brought about by karst gound collapse, water inrush of karst pillars,and karst (or cracks)seepage. Thus the public should know well about the karst geological disaster,and the consciousness of taking precautions against natural calamities should be enhanced.