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    • 1. 发明专利
    • Construction method for water shutting-off layer by bentonite and bentonite spreading machine
    • 膨润土和膨润土摊铺机的水切割层施工方法
    • JP2010222874A
    • 2010-10-07
    • JP2009072443
    • 2009-03-24
    • Ohbayashi Corp株式会社大林組
    • MORI TAKUO
    • E02B7/02B28C1/10
    • PROBLEM TO BE SOLVED: To provide a construction method for constructing a water shutting-off layer inexpensively in a short period of time and to provide a bentonite spreading machine used in the construction method. SOLUTION: This bentonite spreading machine 1 is provided with a scattering device 6 for scattering bentonite 2 over the ground surface, a water adding device 8 for supplying water to the bentonite 2, and a stirring device 9 for stirring the bentonite 2. In this construction method for the water shutting-off layer, the bentonite 2 in a dry condition is carried into a planned construction site for the water shutting-off layer and is directly charged into a hopper 4 of the bentonite spreading machine 1. The bentonite 2 is scattered over the ground surface 5 by the predetermined thickness while letting the bentonite spreading machine 1 run. Water is sprayed on the bentonite 2 scattered on the ground surface 5 through a nozzle 8b to make it wet. Furthermore, the bentonite 2 in a wet condition is stirred by a screw 9a to make content of water included in the bentonite 2 uniform. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在短时间内廉价地构造停水层的施工方法,并提供在施工方法中使用的膨润土铺展机。 解决方案:该膨润土扩散机1设置有用于将膨润土2在地面上散射的散射装置6,用于向膨润土2供水的加水装置8和用于搅拌膨润土2的搅拌装置9。 在该关闭层的施工方法中,将干燥状态的膨润土2运送到排水层的规划施工场所,并直接装入膨润土1的料斗4中。膨润土 2在使膨润土扩散机1运行的同时,在地面5上散布规定的厚度。 通过喷嘴8b将水喷洒在散落在地面5上的膨润土2上,使其变湿。 此外,湿润条件下的膨润土2被螺杆9a搅拌以使包含在膨润土2中的水的含量均匀。 版权所有(C)2011,JPO&INPIT