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立足云南炼厂工程实际,探索出适合本场地覆盖型岩溶发育特点的一套综合勘察方法。总体原则为从宏观到微观、从面到点:采用初勘确定可溶岩的分布区;利用工程物探普查和钻探验证相结合,圈定岩溶发育范围;在对岩溶发育范围进行详细勘察的基础上,采用电磁波CT探测技术确定溶洞的形态参数。该方法用相对较低的成本完成了高原地区复杂地质条件下覆盖型岩溶强发育区的地质勘察,对该地区的工程勘察起到了一定的指导作用。
Based on the practice of Yunnan Refinery Engineering, we explored a comprehensive survey method suitable for the covering karst development characteristics of this site. The general principle is from macroscopic to microcosmic. From the surface to the point: the initial survey is used to determine the distribution of soluble rock; the combination of engineering geophysical survey and drilling verification is used to delineate the development range of karst; on the basis of detailed investigation on the development range of karst, Using electromagnetic CT detection technology to determine the morphological parameters of the cave. The method completes the geological survey of the overburden karst development zone under the complex geological conditions in the plateau with a relatively low cost, and plays a guiding role in the engineering exploration in the area.