Hole sealing structure for reinforcing shallow foundation through grouting method and construction technology thereof
A construction technology and grouting hole technology, which is applied in basic structural engineering, soil protection, construction, etc., can solve problems such as unreasonableness, seepage, and grouting reinforcement cannot be achieved, and achieve reasonable structural design, low cost, and low cost. The effect of improving bearing capacity and stability
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Embodiment 1
[0041] A hole sealing structure suitable for the reinforcement of the shallow foundation of traditional dwelling houses by grouting, which is composed of miscellaneous filling, artificial filling, sandy soil, silt and clayey soil, see Figures 1 to 6 , including an outdoor grout stopper 5 , an indoor grout stopper 3 , a grout stopper rib 6 , a grouting hole 1 , a sealing positioning strip 9 , and a sealing concrete 8 .
[0042] Among them, the outdoor grout-stopping board 5 is linearly arranged on the foundation 7 along the outer wall of the foundation wall 4, the indoor grout-stopping board 3 is all over the room, and the grout-stopping ribs 6 are embedded in the foundation below the outdoor grout-stopping board 5 along the outdoor grout-stopping board 5 7; the grouting holes 1 pass through the grout stop plate and are evenly distributed in the foundation 7 on both sides of the foundation wall 4 at intervals of 1.0 to 2.0 m. The diameter of the grouting hole 1 is 70 to 120 mm....
Embodiment 2
[0049] A construction technique for the sealing structure of a shallow foundation reinforced by grouting method, comprising the following steps:
[0050] (1) Pre-preparation: Level the site, clean the working face, prepare C20 plain concrete raw materials, grouting pipe 2, sealing positioning belt 9, concrete mixer, small pneumatic drilling rig, Luoyang shovel, and choose a reasonable location next to the reinforcement site to place the above materials and equipment;
[0051](2) Excavation of the foundation trench: Excavate the foundation trench according to the size of the pre-designed outdoor grout stop board 5, indoor grout stop board 3 and grout stop rib 6, and carefully clean the floating soil on the foundation after the trenching is completed;
[0052] (3) Drilling: use a small pneumatic drill and a Luoyang shovel successively to drill holes with a spacing of 1.0-2.0m and a hole diameter of 70-120mm. The depth of the small pneumatic drill is 1-1.2m, and the depth of the ...
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