Shallow buried rock stratum section underground continuous wall grooving construction method
A technology for groove-forming construction and ground-connecting walls, which is applied to sheet pile walls, foundation structure engineering, earth movers/shovels, etc., and can solve the problems of difficulty in ensuring the speed and quality of groove formation, cumbersome construction steps, and low construction efficiency, etc. problems, to achieve the effect of reducing mud transportation and excretion, shortening the construction period and improving construction efficiency
Inactive Publication Date: 2020-07-03
CHINA RAILWAY SIXTH GRP CO LTD +1
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Problems solved by technology
[0004] The main purpose of the present invention is to solve the technical problems that the existing shallow-buried rock formations have cumbersome construction steps for wall-to-wall trenching, low construction efficiency, difficulty in ensuring the speed and quality of trenching, and correspondingly increase the overall construction cost.
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[0036] refer to figure 1 , figure 1 It is a schematic flow chart of the construction method for trenching the wall of the shallow buried rock section of the present invention.
[0037]The trenching construction method of the ground connection wall in the shallow buried rock layer section of the present invention includes the following construction steps: construction preparation, measurement and lofting, guide wall construction, trenching construction, trenching quality inspection, joint cleaning, sediment cleaning and pulp replacement, joint construction, hoisting Reinforcement cages, setting concrete conduits, pouring wall concrete and pulling out joint boxes. The construction method of the present invention not only simplifies the construction process, but also further introduces a full-hydraulic percussion reverse circulation drilling rig, which significantly improves the construction efficiency compared with the traditional percussion drilling and flushing rocks, reduces...
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The invention relates to the technical field of underground continuous walls and discloses a shallow buried rock stratum section underground continuous wall grooving construction method. In the method, a hydraulic grooving machine and a full-hydraulic shock reverse circulation drilling machine are adopted and united for construction grooving, and the method specifically comprises the following construction steps of construction preparation, measurement lofting, guide wall construction, grooving construction, finished groove quality inspection, joint flushing, sediment removing and mud fluid displacement, joint construction, steel reinforcement cage hoisting, concrete guide pile arrangement, wall concrete pouring and joint box unplugging. According to the method, the full-hydraulic shock reverse circulation drilling machine and the hydraulic grooving machine are adopted and united for construction, quick grooving and pile forming can be achieved, and remarkable effects are achieved on the aspects of project progress, project quality, construction cost saving and civilized construction.
Description
technical field [0001] The invention relates to the technical field of underground diaphragm walls, in particular to a trench-forming construction method for diaphragm walls in shallow buried rock formations. Background technique [0002] With the rapid construction of modern cities, high-rise buildings are everywhere in our lives. The increasing population makes urban land resources more and more precious, and some underground resources are being used more and more, such as underground supermarkets, underground parking lots, subway construction, etc., all use underground continuous walls, not only that At present, the deep foundation of high-rise buildings also uses underground diaphragm walls, and the wide application of underground diaphragm walls is inseparable from its practicability. [0003] In the existing technology, the traditional hydraulic trough forming machine + pile punching machine construction method is usually used for the trenching construction of the gro...
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IPC IPC(8): E02D5/18E02F5/02
CPCE02D5/18E02F5/02E02F5/025
Inventor 龙泽智童孝龙郑冲冯金涛赵乐乐
Owner CHINA RAILWAY SIXTH GRP CO LTD