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加拿大BC水电局贝内特大坝两个沉陷坑修复卜程的合向已被美国加州海维特一贝克公司获得,该公司于1996年曾在坝上进行了一些钻孔试验。修复工程包括在坝体沉陷区深部用压力灌注砂砾拌和料。BC水电局计划进行一次灌浆处理试验,以便找出修复过程中可能发生的仔何问题。灌浆和修?
The direction of the restoration of Bu Cheng in the two sinking pits of the Bennett Dam of the BC Water and Power Administration in Canada has been obtained by Hewlett-Packard Company of California, USA. In 1996, the company conducted some drilling tests on the dam. The restoration project involves the use of pressure-filled gravel mix in the deep subsidence area of the dam. The BC Water and Power Bureau plans to conduct a grouting trial in order to identify possible problems with the repair process. Grout and repair?