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乌江是长江上游主要支流之一,水能蕴藏量丰富,仅干流可开发水能资源装机容量约600万千瓦。流域内70%以上为碳酸盐类岩层,岩溶发育,干流各梯级水库和坝址均分布在碳酸盐类岩层内,渗漏问题十分突出。已往在岩溶地区修建的水电工程中,渗漏一般发生在河谷深部岩溶部位,因此,研究深部岩溶就显得十分必要。本文主要结合乌江干流上的乌江渡、东风、文家店、彭水等工程,对深部岩溶发育的规律进行研究和探讨。
The Wujiang River is one of the major tributaries of the upper reaches of the Yangtze River, and its water reserves are abundant. Only the mainstream can develop hydropower resources with an installed capacity of about 6 million kilowatts. Over 70% of the watersheds are carbonate rock formations. Karst development and the cascade reservoirs and dam sites in the mainstream are all distributed in carbonate rock formations. The leakage problem is very prominent. In the past, hydropower projects built in karst areas often occurred in the deep karst parts of the river valley. Therefore, it is necessary to study deep karst. In this paper, Wujiangdu, Dongfeng, Wenjiadian, Pengshui and other projects on the main Wujiang River are mainly studied and discussed the law of deep karst development.