Anti-sloughing device for groove-shaped insertion type steel sheet piles and superposed sieve plates and construction method of anti-sloughing device
A steel sheet pile, plug-in technology, applied in the fields of underground construction engineering, foundation pit engineering, and disaster prevention engineering, can solve the problems of mud wall collapse, collapse to the surface, delay in construction progress, economic loss, etc., to improve the degree of automation and reduce time. and cost, the effect of ensuring construction safety
Active Publication Date: 2022-05-13
TONGJI UNIV
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Problems solved by technology
During this process, landslides due to unfavorable mud retaining walls often occur
Sometimes it even collapses to the surface, causing serious consequences such as delays in construction progress and economic losses
At this time, due to the existence of the existing underground structures in the surrounding area, the precipitation method cannot be used to deal with it; at the same time, due to the limitation of the construction site and construction period, the grouting method cannot quickly solve the problem of the tank wall collapse
Method used
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[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] Such as figure 1 with figure 2 As shown, the device includes a grooved steel sheet pile 1 with a buckle groove 7 and a U-shaped guide rail 8, an overlapping sieve plate 3 with a screen hole and an inner plug filter material 4, and a lifting device. Trough-shaped steel sheet pile 1 with buckle groove 7 and U-shaped guide rail 8, including buckle groove 7, U-shaped guide rail 8 and groove-shaped steel sheet pile 1; buckle groove 7 and U-shaped guide rail 8 are located on the same side, the purpose It is connected with the sieve plate 3 through bolts 9 to fix the sieve plate 3; the U-shaped guide rail 8 is located on the side where the grooved steel sheet pile 1 needs to be overlapped with the sieve plate 3, and the purpose is to facilitate the sieve plate 3 to drop to the designated position along the track ; Groove-type steel sheet p...
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The invention relates to an anti-collapse device for groove-shaped inserted steel sheet piles and superposed sieve plates, which comprises a plurality of groove-shaped steel sheet piles, one side of each groove-shaped steel sheet pile is provided with a U-shaped guide rail or a locking notch, and the adjacent groove-shaped steel sheet piles are spliced and connected through the steel sheet pile locking notches. Or sieve plates made of filtering materials are arranged in the U-shaped guide rails between the adjacent groove-shaped steel sheet piles. Compared with the prior art, the foundation pit ground wall side wall water inrush plugging device is used for plugging foundation pit ground wall side wall water inrush in double ground wall construction, rapid plugging of the groove wall collapse problem is achieved through the groove-shaped steel plate piles, the screen holes, the lap-joint screen plates internally plugged with the filtering materials and the lifting device, and the automation degree of solving the groove wall instability problem caused by underground water permeation in the double ground wall construction is improved; the time and the cost are reduced, and the construction safety of a double-ground-wall project is ensured.
Description
technical field [0001] The invention belongs to the technical fields of foundation pit engineering, underground construction engineering, and disaster prevention engineering, and in particular relates to an anti-slump device and a construction method of a trough-shaped inserted steel sheet pile and a superimposed sieve plate. Background technique [0002] In the on-site construction of underground engineering, it is sometimes necessary to construct double underground diaphragm walls at close intervals. In addition, due to the constraints of the existing site and environment, the double underground diaphragm walls are not only closely spaced, but also need to be constructed at the same time. During this process, landslides due to unfavorable mud retaining walls often occur. Sometimes it even collapses to the surface, causing serious consequences such as delays in construction progress and economic losses. At this time, due to the existence of existing underground structures...
Claims
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IPC IPC(8): E02D5/04E02D5/08E02D17/04E02D19/06E02D19/04
CPCE02D5/04E02D5/08E02D17/04E02D19/06E02D19/04
Inventor 王建秀苏雨馨吴凡李胡博强刘笑天曹安生龙燕霞薛睿何倩倩徐娜
Owner TONGJI UNIV