采用裝配式办法修大埧長江水利委員会林一山主任提出建議長委林一山主任最近很有信心地提出这个倡議:“在河中修建大壩,可以通过預制混凝土裝配式的办法建成。壩的基础也可以通过高压水泥灌漿,在水下將河床沙石凝固,卽利用水下混凝土形成的办法获得解决。这样过去大壩所需圍堰断流、基坑开挖的办 The assembly method was used to repair Dazhao. Director of the Changjiang Water Conservancy Commission, Director Lin Yishan proposed the proposal. Commissioner Lin Yishan recently proposed this initiative with great confidence: “Building a dam in the river can be done by means of a prefabricated concrete assembly method. The foundation of the dam can also be Through the high-pressure cement grouting, the sandstone of the river bed is solidified under water, and the concrete is solved by means of the formation of underwater concrete, so that in the past, the dam was required to cut off the cofferdam and excavate the foundation pit.