Diking method through filling sludge into mold bags and vacuum preloading
A mold bag and silt technology, applied in dikes, coastline protection, dams, etc., can solve the problems of insufficient soil strength, slow soil solidification rate, slow drainage rate, etc., and achieve fast silt consolidation rate and soil strength High, fast drainage effect
Active Publication Date: 2014-11-05
南京水科院瑞迪科技集团有限公司
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Problems solved by technology
But, the main problem that this method exists is: (1) drainage rate depends on the pressure that rubber bag exerts on soil body, and the pressure that rubber bag itself can provide is limited, so its drainage rate is still relatively slow, and soil solidification rate is also slow. Slower, so that the entire construction period is longer; (2) The outer soil is drained faster by the direct force of the rubber bag, while the inner soil can not be directly drained by the rubber bag, which makes the drainage rate of the inner and outer soil inconsistent. In turn, the degree of solidification is inconsistent, so that the strength of the entire soil is not high enough, the stability is not good enough, and it is easy to affect the quality of the project
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[0020] Such as Figure 1 to Figure 3 As shown, the silt-filled vacuum pre-compression embankment construction method of the mold bag of this embodiment includes the following steps:
[0021] Step 1. After leveling the target beach, lay at least one layer of sealing film to seal the bottom;
[0022] The second step is to lay a layer of filling mold bag 1 with a filling port on the sealing film, and then use a pump to fill the sludge from the filling port 2 into the mold bag 1;
[0023] The third step is to insert one side of a set of drainage plates 3 into the side of the mold bag 1 transversely, and leave the drainage plate 3 outside the mold bag 1 and tie the corresponding permeable pipe 4 to the other side; then use the one with an external nozzle The pipeline is connected to all permeable pipes 4;
[0024] The fourth step is to lay at least one layer of sealing film 5 on this layer of the mold bag 1, and press the edge of the sealing film 5 into the sealing groove preset around th...
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The invention relates to a diking method through filling sludge into mold bags and vacuum preloading. The method includes laying a seal film for bottom seal; laying a layer of filling mold bags on the seal film, and filling sludge into the mold bags; inserting one side of a drain board into the sides of the mold bags horizontally, connecting the other side reserved outside the mold bags of the drain board with permeable pipes in a binding mode, and communicating all the permeable pipes through a pipeline provided with an external nozzle; laying a seal film on the layer of mold bags, and pressing the edge of the seal film into a seal groove; connecting a vacuum pump to the external nozzle of the pipeline to start to vacuum until all water in the mold bags are pumped and the sludge is solidified; removing the seal film on the layer of mold bags, laying a next layer of mold bags, filling the sludge into the mold bags through filling openings, and solidifying the sludge; and laying each following layer of mold bags sequentially until a designed height is reached. According to the method, the sludge can be solidified quickly, a construction period can be shortened, and the construction cost can be reduced.
Description
Technical field [0001] The invention relates to a dyke building method, in particular to a dyke building method with a mold bag filling silt vacuum pre-compression, belonging to the technical field of dyke building. Background technique [0002] With the continuous development of tidal flat land resources in our country, tidal flat reclamation has evolved from a simple development and utilization method of "polder reclamation" to meet the needs of agricultural production into an integrated construction involving embankment construction, foundation reinforcement of the reclamation area, and land improvement projects. It is a comprehensive development and utilization model of land resources that mainly meets the needs of industrialization functions such as ecology, tourism, ports and urbanization. Among them, the construction of the dike is the primary link to ensure the smooth implementation of tidal flat reclamation, an important barrier for the shoreline protection of tidal flat...
Claims
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IPC IPC(8): E02B3/10
Inventor 王海鹏唐彤芝沈振中龚丽飞赵维炳胡亦起陈玫范公俊李贇张红
Owner 南京水科院瑞迪科技集团有限公司