CONSULTATIVE RECOMMENDATIONS ON SUSTAINABLE DEVELOPMENT IN KARST AND ROCK-NAKED MOUNTAIN AREAS OF SOUTHWEST CHINA

The serious degradation of the ecological environment and the rapid expansion of stone desert have had a serious effect on the economic development of karst and rock-naked mountain areas in Southwest China. Moreover, these areas are still at the initial stage of industrialization, characterized by a greater significance of agriculture to the economy, face sharp contradictions among the population, the arable land and resources, and are suffering because of a shortage of investment. On the basis of this current situation, three recommendations are made in this article: "coordinating the relations among grain, ecology, population and economic development", "increasing the input of science and technology", and "adopting policies consistent with social equity in areas of poverty".

杭州某岩溶地区溶洞发育规律及桩基施工遇到的问题分析

根据杭州城西某岩溶场地一桩一勘地质资料,统计分析了现场溶洞发育规律,并通过该场地桩基工程设计施工实例,说明岩溶地区地质状况的复杂性,总结岩溶勘察过程中的注意事项,并介绍相应的对策和措施。

毕节喀斯特地区岩溶发育特征及规律浅析:以大山幅为例

毕节地区广泛分布碳酸盐岩。该区岩溶发育强烈,各种岩溶个体形态发育齐全。通过大山幅野外水文地质调查,对地区岩溶发育特征及规律进行总结。结果表明,该地区降水丰富,河谷地貌深切,构造活动断裂发育,致使该区岩溶发育强烈。岩溶发育具有普遍性、不均匀性和阶段性的特点,主要受地层岩性、地质构造及水动力控制。

复杂岩溶条件下水库库区渗漏分析

碳酸盐岩地区修建水库,库区渗漏是主要的工程地质问题,也是工程能否成立的关键性因素。在地质测绘、岩溶调查统计、钻探勘察及物探测试等基础上,从地形地貌、地层岩性、地质构造、水文地质、岩溶发育规律等方面深入分析库区渗漏的可能性。结果表明:水库库区存在近坝两岸库段及咪哩河-盘龙河库F区渗漏段,为防渗帷幕设计提供可靠的地质依据。