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锚固桩扩底施工工艺湖南省地矿局409队周范松笔者在钢粱锚杆护壁深基坑开挖基础施工过程中,应建筑方要求,为求得最大锚固力,在进行普通锚固桩抗拔试验的基础上又进行了锚固桩端部扩底试验。1施工工艺1.1钻锚孔设计锚孔倾角12°~15°,孔径135mm,深度...
Anchoring Pile Expansion Construction Technology Hunan Provincial Bureau of Geology and Mineral Resources 409 Zhou Fan-song In the steel beam anchor retaining wall deep foundation pit excavation foundation construction process, the construction side requirements, in order to obtain the maximum anchorage force, during ordinary anchor pile pull Based on the test, an end-to-end test of anchoring pile was carried out. 1 Construction Technology 1.1 Anchor hole design Anchor hole inclination 12 ° ~ 15 °, aperture 135mm, depth ...