Inflation anchor bar
A technology of inflatable anchor rods and air holes, applied in sheet pile walls, excavation, construction, etc., can solve the problems of anchoring effect, environmental pollution, construction period, etc., and achieve the effect of simple materials, shortening construction period, and saving engineering costs
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[0017] The following pages will further illustrate the present invention in conjunction with the accompanying drawings and specific embodiments.
[0018] see figure 1 One end of the steel pipe 1 is an open end and the other end is a closed end. The upper end of the rubber film 4 with a rough appearance is fastened and set on the outer upper end of the closed end of the steel pipe 1 with the upper fastening fastener 2, and the lower end is fastened and set on the closed end of the steel pipe 1 with the lower fastening fastener 5. At the outer lower end of the closed end of the steel pipe 1 , the film thickness of the rubber film 4 is 2-4 mm, and there are pores 3 on the part of the steel pipe 1 corresponding to the rubber film 4 .
[0019] see figure 1 After placing the bolt in the soft soil or sand formation 6, the steel pipe 1 is inflated under high pressure, the rubber film 4 at the end of the bolt expands under the high-pressure gas, and the surrounding soil is squeezed to...
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