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水电站厂、坝地基验收工作,长期以来都是以地质人员的直感——目估、岩样对比及凭藉地质锤的敲击来评定的。缺点是不能定量,而且带有一定的主观随意性。如果进行室内外试验,则施工干扰大,周期过长。为避免上述弊病,铜街子水电站试用了简易测试仪,进行厂、坝地基验收。所涉内容仅限于承载性方面,不包括抗剪强度方面的内容。现将本次测试情况简介如下。
Hydropower plant, dam foundation acceptance work, for a long time have been based on the geological staff of the sense of intuition - visual estimation, rock sample comparison and by virtue of the hammer to assess the geological hammer. The disadvantage is not quantitative, but with a certain degree of subjectivity. If indoor and outdoor tests, the construction of large interference, the cycle is too long. To avoid the above shortcomings, Tongjiezi Hydropower Station trial simple tester for factory, dam foundation inspection. The content is limited to the carrying capacity, not including the shear strength of the content. Now the test situation is as follows.