A construction method of vacuum preloading deep layer lateral sealing
A construction method and vacuum technology, applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as insufficient film depth, uncoordinated slotting and plastic laying, and large mechanical equipment, so as to save costs and cut costs. Good gas performance and fast construction speed
Inactive Publication Date: 2017-05-24
CCCC FOURTH HARBOR ENG CO LTD
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Problems solved by technology
[0005] Because the mud mixing wall has the disadvantage of insufficient stepping film depth, the traditional slotting equipment also has the problems of large mechanical equipment, high cost, and uncoordinated simultaneous slotting and plastic laying. Therefore, in order to solve the vacuum The leakage of the preloaded deep layer direction finding seal needs to study a new construction technology to carry out the vacuum preloaded deep layer lateral seal construction
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[0037] The vacuum preloading deep lateral sealing construction method of the present invention adopts the following synchronous slotting and plastic-laying integrated machine, such as Figure 1~2 As shown, it is the slotting and plastic-laying integrated machine for deep lateral sealing construction of the present invention, which mainly includes a frame, a walking crawler 1, a hydraulic system, a slotting mechanism and a plastic-laying mechanism.
[0038] The frame is used for fixing and supporting each component, and a truss 7 is also arranged on the frame.
[0039] The hydraulic system provides hydraulic power for the synchronous slotting and plastic-laying integrated machine, for example, power for the lifting and angle change of the slotting mechanism, power for the lifting and plastic-laying operation of the plastic-laying mechanism, and can also provide power for the walking of the whole machine. power.
[0040] The slotting mechanism includes an auger rod 9, a hydraul...
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The invention discloses a vacuum preloading deep-layer lateral sealing construction method. Construction operation is carried out through a synchronous grooving and plastic laying integrated machine so that synchronism of grooving and plastic laying can be achieved. According to the vacuum preloading deep-layer lateral sealing construction method, the water and air stopping performance of a sealing system is good, and the method has a positive effect on the lateral sealing performance of a deep sand (covered) layer, backfilled soil and dredger fill soil as well as construction of the stereoscopic sealing system. The method can be widely applied to vacuum preloading deep-layer lateral sealing construction in soft foundation treatment of water transportation, highways, constructional engineering and the like. Compared with mud mixing pile sealing walls, the method has the characteristics that the cost is reduced, the construction speed is high, and follow-up secondary treatment of the positions of sealing walls is not needed.
Description
technical field [0001] The invention relates to a deep lateral sealing construction method for preventing water and air from penetrating in the horizontal direction. Background technique [0002] In recent years, with the vigorous rise of coastal industrial belts, the shortage of construction land has become increasingly prominent. Using abundant beach resources to reclaim land from the sea has become an important way for coastal areas to solve the shortage of land resources and expand living and production space. At present, the sea reclamation project generally adopts the formation mode of "cofferdam (wall) → dredging silt (sand) → vacuum (or combined surcharge) preloading". As an economical and effective soft foundation treatment method, the vacuum preloading drainage consolidation method has been widely used in land reclamation projects. [0003] The sealing system is an important component of the vacuum preloading drainage consolidation method, that is, a certain proc...
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IPC IPC(8): E02D3/10E02D3/12
Inventor 王永平陈伟东周琦陈伟李燕张保童周治江官保华
Owner CCCC FOURTH HARBOR ENG CO LTD