Grouting reinforcement device and method for shallow clay
A technology of grouting reinforcement and clay, applied in construction, sheet pile walls, foundation structure engineering, etc., can solve problems such as poor stabilization effect and troublesome operation, achieve good grouting pressure and solve unstable effects
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[0023] The present invention will be further described below in conjunction with the drawings and embodiments.
[0024] Such as figure 1 As shown, a shallow clay grouting reinforcement device includes two parts: a mold bag 1 and a sleeve valve tube. The sleeve valve tube consists of a galvanized grouting inner tube 3, a PVC outer tube 7, an overflow hole 2, a rubber sleeve 4. The locating ring 5 and the lower cover 6 are composed of the galvanized grouting inner pipe 3 and the PVC outer pipe 7 set together, and the galvanized grouting inner pipe 3 is provided with an overflow hole 2, which is outside the PVC The outer ring of the tube 7 is covered with a number of rubber sleeves 4, the rubber sleeve 4 is provided with positioning rings 5 above and below, and the bottom of the galvanized tube 3 is provided with a lower plug 6.
[0025] The PVC outer pipe collects the grout from the grouting inner pipe, so that the grout flows out from the set position to realize segmented grouting...
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