定义 中文名称:排渗沟 英文名称:drainage trench 定义:在坝趾处开沟,以降低坝下游覆盖层内的承压水头和渗透压力,防止发生管涌、流土、浸没和沼泽化等现象的一种排渗措施。 应用学科: 电力(一级学科);水工建筑
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Preventive measures are presented aiming at strengthening the subgrade and pavement drainage and the trench treatment.
从加强路基和路面排水及路槽处理等方面着手,提出防治的对策。
Therefore the general construction process scheme is worked out as follows: open trench drainage, work site dried in the sun, conventional butt welding, and pipe laid down into trench.
经过调研和反复现场勘察,确定的总体施工方案为:挖明沟排水,作业带晾晒,正常组对焊接,沉管下沟。
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