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黄河水下施工,季节性很强。3号取水口及管线工程,必须在黄河洪泛期之前完成,φ1.6米、φ2.0米钢管已组装成长55～70米的管段,等待浮运安装。在多种接头型式的试验比较下,选用了半箍圆胶圈接头(图1)。
The underwater construction of the Yellow River is very seasonal. No. 3 water intake and pipeline project must be completed before the flooding period of the Yellow River. The φ1.6 m and φ2.0 m steel pipes have been assembled and grown to a length of 55 to 70 meters, waiting for the float to be installed. In the comparison of various joint types of tests, a half hoop and apron joint was used (Figure 1).