福州地铁勘察过程中若干难点问题探讨

Discussion on some difficult problems in the process of Fuzhou Metro exploration

地铁勘察过程中涉及的内容较多,文章立足已经完成勘察工作的福州地铁1、2、5、6号线路基础,挑选勘察过程中常见但是容易出现差错的问题进行探讨,如地层定名、钻孔孔深、地下水水位量测、渗透系数、地下水腐蚀评价等,分析了产生这些问题的原因,并提出了相应的解决办法。

There are a lot of contents involved in the investigation of the subway. The article bases on the line 1,2,5 and 6 of Fuzhou metro,which has completed the investigation work,and selects the common problems which are common but easy to mistake in the process of investigation,such as stratigraphic naming,drilling depth,groundwater level measurement,permeability coefficient,groundwater corrosion evaluation and so on. This paper analyzes the causes of these problems and puts forward corresponding solutions.