Grouting arrangement structure and method for rapid reinforcement and repair of strip foundation
A strip foundation and structure layout technology, which is applied in the direction of foundation structure engineering, foundation structure repair, soil protection, etc. Low physical damage and good reinforcement effect
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Embodiment 1
[0048] figure 1 A grouting arrangement structure for rapid reinforcement and repair of strip foundations is shown, the grouting arrangement structure includes grouting inner holes placed on both sides of the centerline of the strip foundation and grouting inner holes placed in the grouting inner holes grouting pipe, the depth of the grouting inner hole is greater than the depth of the strip foundation,
[0049] The grouting inner hole is arranged obliquely, and the distance between the center of the upper surface of the grouting inner hole and the centerline of the strip foundation is L1, and the distance between the center of the lower surface of the grouting inner hole and the centerline of the original strip foundation is L2. The depth of the original strip foundation is H, the inclination angle of the grouting inner hole is a, and the inclination angle
[0050] The depth of the original strip foundation is obtained through the foundation design drawing and construction ...
Embodiment 2
[0066] If the size of the strip foundation is too small and the distance between the grouting outer hole 3 (2.5 cm in diameter) and the grouting inner hole 4 (2.5 cm in diameter) is less than 0.3 meters, the grouting operation of the grouting outer hole 3 will be cancelled, and the grouting inner hole 3 will be replaced. Each distance (L1 and L2) of hole 4 is increased by 0.1 meters; the specific operation is as follows:
[0067] The present invention also provides a method for rapid reinforcement and repair of strip foundations, said method comprising the following steps:
[0068] Step 1. Mark the grouting points of the building to be reinforced and repaired with the strip foundation, and obtain the global grouting point layout;
[0069] The global grouting points are arranged from the middle to both sides, from weak to strong, and the distance between grouting points is 1 meter; figure 2 shown.
[0070] Step 2. According to the global grouting point layout diagram, the gr...
Embodiment 3
[0089] If the size of the strip foundation meets the distance between the grouting outer hole 3 (2.5 cm in diameter) and the grouting inner hole 4 (2.5 cm in diameter), the distance is not less than 0.3 meters, then open the grouting inner hole 4 and the grouting outer hole 3 grouting operation; The specific operation is as follows:
[0090] The present invention also provides a method for rapid reinforcement and repair of strip foundations, said method comprising the following steps:
[0091] Step 1. Mark the grouting points of the building to be reinforced and repaired with the strip foundation, and obtain the global grouting point layout;
[0092] The global grouting points are arranged from the middle to both sides, from weak to strong, and the distance between grouting points is 1 meter; figure 2 shown.
[0093] Step 2. According to the global grouting point layout diagram, the grouting point is punched, and the punching operation is carried out with the grouting arran...
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