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印度萨勒尔(Salal)坝已设计出一套采集坝址附近山头粘土料的设备。这套设备可以把土料从一个天然形成的溜槽送往下面坝址处,以作为土坝不透水心墙的材料。笔者描述了这一过程。这套设备可以节约生产及运输费用,而且简化了施工程序,因为土料从溜槽中下落时石块会与土料分开。
The Salal dam in India has designed a device for collecting clay material from the hills near the dam site. The unit can move soil material from a naturally occurring chute to the dam site below to serve as a material for impermeable earth walls. I describe this process. The equipment saves production and shipping costs and simplifies the construction process because the stones will separate from the soil when the material falls from the chute.