Electromagnetic field seepage combined anchor rod draining device and construction method thereof
A technology of drainage device and construction method, which is applied in basic structure engineering, construction, sheet pile wall, etc., can solve the problem of reducing the drainage effect of drainage bolts, and achieve the effect of good drainage effect, simple construction method and accelerated drainage.
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Embodiment 1
[0051] A construction method for an electromagnetic field seepage combined bolt drainage device, comprising the following steps:
[0052]1) Investigate and analyze the geological conditions of the slope, conduct engineering geological exploration and design, analyze and determine the position of the potential sliding surface of the landslide, and determine the depth and diameter of the designed borehole 11. In this embodiment, the borehole 11 has a diameter of 200mm and a depth of 11m, and penetrates through the potential sliding surface to the stable rock and soil body for more than 3m. The end of the borehole 11 is slightly inclined upward, and the inclination angle is 2 degrees.
[0053] 2) According to the depth and diameter of the borehole 11, make the permeable steel pipe 3:
[0054] 2-1] Intercept the permeable steel pipe 3 , the pipe wall of the permeable steel pipe 3 has several drainage holes 4 . The permeable steel pipe 3 has openings at both ends and an outer dia...
Embodiment 2
[0068] A construction method for an electromagnetic field seepage combined bolt drainage device, comprising the following steps:
[0069] 1) Investigate and analyze the geological conditions of the slope, conduct engineering geological exploration and design, analyze and determine the position of the potential sliding surface of the landslide, and determine the depth and diameter of the designed borehole 11. In this embodiment, the borehole 11 has a diameter of 500mm and a depth of 30m, and penetrates through the potential sliding surface to the stable rock and soil body for more than 3m. The end of the borehole 11 is slightly inclined upwards, and the inclination angle is 2 degrees to 4 degrees.
[0070] 2) According to the depth and diameter of the borehole 11, make the permeable steel pipe 3:
[0071] 2-1] Intercept the permeable steel pipe 3 , the pipe wall of the permeable steel pipe 3 has several drainage holes 4 . The permeable steel pipe 3 has openings at both ends a...
Embodiment 3
[0085] The main technical content of this embodiment is the same as that of Embodiment 1 or 2. Further, before the start of step 6), the permeable concrete anchor body 2 is initially set, and the permeable steel pipe 3 is stretched outward to form prestress, and then the outer anchor is poured pier 10.
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