Vertical stereoscopic drainage device for sludge blowing and filling type reinforcement and using method

Abstract

The invention discloses a vertical stereoscopic drainage device for sludge blowing and filling type reinforcement and a using method. The vertical stereoscopic drainage device for sludge blowing and filling type reinforcement comprises filter membranes, polyvinyl chloride (PVC) pipes and cross joints. The vertical stereoscopic drainage device for sludge blowing and filling type reinforcement is characterized in that holes are formed in the PVC pipes, the PVC pipes are sleeved with the filter membranes, the corresponding PVC pipes sleeved with the corresponding filter membranes are connected to reach the required design length through upper main connectors and lower main connectors of the cross joints, and left branched connectors and right branched connectors of the cross joints are also connected with the corresponding PVC pipes sleeved with the corresponding filter membranes. The vertical stereoscopic drainage device for sludge blowing and filling type reinforcement and the using method have the advantages that (1) a vacuum load is effectively transmitted into a sludge layer, the drainage distance is further shortened, solidification of a soil body is accelerated, and the construction period is effectively shortened; (2) the way that a drainage plate is erected manually is adopted, a sand cushion does not need to be laid in advance, and particularly in areas lacking of sand sources, the effect of the method is extremely good; and (3) the vertical drainage device can be used repeatedly, and thus the cost is reduced.

Description

technical field [0001] The invention relates to a vertical three-dimensional drainage device for dredging silt reinforcement and a use method thereof, and belongs to the technical field of dredging silt reinforcement. Background technique [0002] With the rapid development of my country's coastal economy, construction land is becoming more and more scarce, and the silt brought by the cleaning of waterways in coastal and river areas is often impossible to deal with. Based on this, large-scale land reclamation has become an important method to solve the above problems. However, newly dredged silt has the characteristics of high water content (often up to 200%), large void ratio, and low strength. If it is consolidated under self-weight stress to form a certain strength, it will take 1 to 2 years. Will seriously affect the duration, so it must be dealt with. [0003] The usual method is vacuum preloading. For the treatment of the site after filling, the method of high-level v...

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Problems solved by technology

However, newly dredged silt has the characteristics of high water content (often up to 200%), large void ratio, and low strength. If it is consolidated under self-weight stress to form a certain strength, it will take 1 to 2 years. Will seriously affect the duration, so it must be dealt with

[0003] The commonly used method is vacuum preloading. For the treatment of the site after filling, the method of high-level vacuuming is basically adopted, and the vacuum load cannot be effectively transmitted to the mud layer.

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