Underwater side-slope mould bag concrete reinforcing construction method
A technology of moulded bag concrete and construction method, which is applied in water conservancy projects, marine engineering, coastline protection and other directions, can solve the problems of entanglement, drift, and cumbersome construction methods of geotechnical mould bags, and achieves convenient construction operation, high production efficiency, and good promotion. effect of value
Inactive Publication Date: 2015-02-18
ZHEJIANG INST OF COMM
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Problems solved by technology
This construction method does not need to set up cofferdams, and can be continuously constructed above and below water and has a high degree of mechanization. The flow of concrete in the geotechnical bag will cause channel blockage and local concrete uplift), and the geotechnical bag is also prone to entanglement and drift under the condition of rapid water flow
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[0016] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following examples.
[0017] A construction method for reinforcing concrete with mold bags for underwater slopes, comprising the following steps:
[0018] 1. Prepare the geotechnical bag 2 according to the length and height of the slope 5, the length of the geotechnical bag is slightly greater than the underwater height of the slope;
[0019] The geotechnical mold bag is formed with a concrete injection port 22 for pouring concrete, a compressed air injection port 23 for filling air, and a compressed air discharge valve 24 for discharging air;
[0020] The geotechnical bag (can be purchased directly) is generally made of upper and lower layers of geotextiles. The geotechnical bag can be filled with concrete or cement mortar, and forms an integral concrete slab after solidification; at the same time, the upper and lower laye...
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The invention relates to an underwater side-slope mould bag concrete reinforcing construction method. The invention aims to provide the method which has the characteristics of convenience in operation, high construction efficiency and good protecting effect. According to the technical scheme, the underwater side-slope mould bag concrete reinforcing construction method comprises the following steps: 1) mounting a positioning pile on a side slope and arranging a winding machine, a concrete ground pump truck and an air compressor on a roadbed; 2) fixing an edge on one side, close to a shoreside, of a star engineering mould bag with the positioning pile and connecting the edge on one side, close to the upstream, of the star engineering mould bag with the winding machine; 3) inflating the star engineering mould bag, thereby causing the star engineering mould bag to extend and float on a water surface; 4) pressing and injecting concrete into the star engineering mould bag, gradually releasing a rope by the winding machine when the star engineering mould bag gradually sinks into water, and meanwhile, slowly pulling out a pump pipe of the concrete ground pump truck and gradually releasing air in the bag; 5) when the star engineering mould bag sinks into and clings to the side slope under water, completely pulling out the pump pipe of the concrete ground pump truck, and maintaining for 1-2 days.
Description
technical field [0001] The invention relates to the field of slope protection, in particular to a construction method for underwater slope protection. Background technique [0002] The river bank slope and the embankment slope of the road along the river often adopt the geotechnical bag concrete construction method to protect and strengthen the underwater slope to prevent the slope from being damaged due to water damage. This construction method does not need to set up cofferdams, and can be continuously constructed above and below water and has a high degree of mechanization. The flow of concrete in the geotechnical bag causes channel blockage and local concrete uplift), and the geotechnical bag is also prone to entanglement and drift in the case of rapid water flow. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the above-mentioned background technology, and provide a kind of underwater slope mold bag concrete ...
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Login to View More IPC IPC(8): E02B3/12
CPCE02B3/128
Inventor 彭以舟邹胜勇章日佐何辉张义和陈骁麟林琴
Owner ZHEJIANG INST OF COMM