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Underground work device and the method for utilizing the underground work
Underground work device and the method for utilizing the underground work
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机译:地下作业装置及利用地下作业的方法
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摘要
PROBLEM TO BE SOLVED: To provide an underground operation device of a relatively simple structure, capable of, for example, investigating immediately under a structure and establishing a solidified body for ground improvement based on the investigation result or a construction design.SOLUTION: An underground operation device includes: a guide member 2 penetrating into and installed in a ground from a ground surface side or pulled out, roughly vertically; feeding means 3 supported by the guide member, having an extension member extended roughly horizontally in the ground from around a tip side of the guide member; and operation means comprising excavation means 26 installed on a tip side of the extension member and transferred along the guide member 2 from the ground surface side through a feeding passage, an injection nozzle injecting a ground improvement fluid, and/or investigation equipment such as a camera for observing and a sensor for sensing underground conditions.SELECTED DRAWING: Figure 1
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