Effective grooving construction method for underground continuous wall in slightly-weathered limestone with overlying sandy soil
A technology for underground diaphragm wall and groove-forming construction, applied in excavation, artificial islands, sheet pile walls, etc., can solve the problems of unsafe construction progress, slowness, poor groove-forming quality, etc., and achieve good hammering effect and groove-forming quality. High and fast slotting speed
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[0037] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0038] This embodiment describes an effective trenching construction method for an underground diaphragm wall in slightly weathered limestone overlying sandy soil, which is used in a site where a subway station is planned to be built. The total length of the outsourcing of the station is 260m, and the soil layer type in the area is overlying For the micro-weathered limestone layer in sandy soil, it is planned to use the hollow silicon steel alloy tooth weight hammer to punch the rock along the guid...
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