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输电线路施工中,遇到水位较高,土质松软的流沙水坑,挖掘土方就感到很困难,为了防止水坑渗水塌方,一般采用木桩和挡板组成的围栅。但其运输不方便,施工繁锁,木材损耗很多,而且不易支撑牢固。去年第一冶金建设公司机电工程公司在长江江堤附近的流砂地区施工,竖立12～15米水泥电杆,底盘0.8平方米,埋设深度为2.2—2.7米。当时长江
During the construction of the transmission line, encountering the high water level, soft and sandy sand pits, it is very difficult to excavate the earthwork. In order to prevent the water hole from seepage and collapse, a fence consisting of stakes and baffles is generally used. However, its transportation is inconvenient, the construction is cumbersome, the loss of wood is many, and it is not easy to support firm. Last year, the First Metallurgical Construction Company Electromechanical Engineering Company established 12 to 15 meters of cement poles in a quicksand area near the Yangtze River embankment, with a chassis of 0.8 square meters and a buried depth of 2.2 to 2.7 meters. Yangtze River at that time