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During the period of more than 4 years since the first stage works was commenced, Gezhouba Construction Group has accomplished more than 500 items of construction scientific researches, in which 61 items won the advance awards in science and technology and has created a comprehensive economic benefits of RMB 54 mil. These scientific research items includes a comprehensive construction technology on construction of the first stage earth - rock cofferdams, excavation of the Maopingxi Spillway Tunnel, multicharge trucks, horizontal presplitting blasting, auto -dispatch control of concrete batching, closure of main river, construction of the second stage cofferdams, and so on. The plan of scientific researches on construction of the second stage works has been developed.
During the period of more than 4 years since the first stage works was commenced, Gezhouba Construction Group has achieved more than 500 items of construction scientific researches, in which 61 items won the advance awards in science and technology and has created a comprehensive economic benefits of RMB 54 mil. These scientific research items include a comprehensive construction technology on construction of the first stage earth - rock cofferdams, excavation of the Maopingxi Spillway Tunnel, multicharge trucks, horizontal presplitting blasting, auto -dispatch control of concrete batching, closure of main river , construction of the second stage cofferdams, and so on. The plan of scientific researches on construction of the second stage works has been developed.