Grouting pipe reinforcing and grouting structure and construction method thereof
A grouting pipe and grouting technology, applied in the field of steel pipe grouting, can solve the problems of poor bearing effect of grouting pipe, poor output of grouting pipe, support of grouting pipe, etc.
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Embodiment 1
[0056] This embodiment discloses a grouting pipe reinforcement grouting structure.
[0057] Such as figure 1 and figure 2 Shown: a grouting pipe reinforced grouting structure, including a grouting pipe 1, and a soil-breaking mechanism arranged on the grouting pipe 1; the soil-breaking mechanism includes a fixed part 2 fixedly arranged on the grouting pipe 1, coaxial The sliding pipe part 3 is sleeved on the grouting pipe 1 at a position above the fixed part 2 and is slidingly matched with the surface of the grouting pipe 1. When the sliding pipe part 3 slides along the surface of the grouting pipe 1 toward the fixed part 2, it breaks the soil It can expand toward the axial direction away from the grouting pipe 1 .
[0058] combine image 3 As shown: the outer surface of the sliding pipe part 3 is also provided with a grouting groove penetrating in the direction of the grouting pipe 1 and corresponding to the position of the grouting hole provided on the grouting pipe 1, an...
Embodiment 2
[0077] On the basis of the first embodiment, this embodiment further discloses a construction method for reinforcing a grouting structure with a grouting pipe.
[0078] Such as Figure 6 Shown: a kind of construction method of grouting pipe reinforcement grouting structure, it implements based on the grouting pipe structure in embodiment one, and it comprises the following steps when fixing the grouting pipe:
[0079] Step A: inject the grouting pipe into the set pre-injection hole until the grouting pipe reaches the predetermined installation position;
[0080] Step B: lifting the grouting pipe upwards, so that the conical block and the grouting pipe are separated to an interval arrangement under the force of the elastic component;
[0081] Step C: Push the sliding pipe part toward the fixed part, so that the soil-breaking component expands away from the axis of the grouting pipe to expand the soil layer around the pipe, and at the same time, the grouting groove and the grou...
Embodiment 3
[0085]On the basis of the second embodiment, this embodiment further discloses a positioning guide mechanism and a push rod 81 mechanism.
[0086] In the actual implementation process, the pre-injection hole 101 is a pre-opened "column" hole, and its overall shape corresponds to the grouting pipe 1, but the inner diameter will be larger than the outer diameter of the grouting pipe 1 (in order to facilitate installation and grouting) , which makes the grouting pipe 1 have a certain activity space in the pre-injection hole 101, and then makes it difficult for the grouting pipe 1 to be completely vertically injected or installed in the pre-injection hole 101, that is, the grouting pipe 1 will lean against In the pre-injection hole 101. On the one hand, the inclined arrangement of the grouting pipe 1 makes it difficult to output the slurry uniformly, which not only affects the output effect of the slurry, but also affects the supporting effect of the slurry on the grouting pipe 1;...
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