通过对广州地铁2、3、5、6号线经过地段的隐伏岩溶区地质条件的分析，提出地铁勘察、设计的方法和措施。
Through the analysis of karst geological conditions of Guangzhou metro Nos. 2, 3, 5 and 6 number lines, the method and measures were proposed for metro survey and design.
膏溶角砾岩，是含膏盐岩系中的易溶硫酸盐岩溶蚀后的角砾岩，也是工程勘察中新发现的特殊性岩土的一种新类型。
Gypsum breccia belongs to a new kind of breccia, which is dissovled by soluble suphate rock, and also belongs to a new type of special rock in engineering exploration.
本文根据唐山市凤凰大厦岩溶地基勘察和治理的工程实例，介绍一种成功的治理方法。
A successful administration is introduced based on the engineering example of karst ground investigation and administration of Phoenix Mansion in Tangshan.
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