Stratum pre-reinforcement treatment method for underground space construction
A technology of underground space and treatment method, which is applied in excavation, artificial islands, water conservancy projects, etc., can solve problems such as inability to prevent weathering, inability to seal surrounding rocks, cracked rock spalling, etc., achieve good earthquake resistance, improve self-stability, fully The effect of using
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[0019] figure 1 Schematic diagram of the pre-reinforcement treatment structure for the underground space, figure 2 It is a cross-sectional view of the connecting portion of the horizontal perforated pile and the vertical perforated pile; Horizontal perforated piles 1 and vertical perforated piles 2 are overlapped to form a cross-section simply supported beam support structure on the excavation surface around the contour line of the proposed underground space 4; before excavation of the underground space, along the proposed underground The strata around the spatial contour line are reinforced horizontally and vertically to form a supporting structure that can support the stratum. The vertical perforated piles 2 are placed above the proposed underground space, and the horizontal perforated piles 1 are placed on the ground. The stratum on one side of the excavation surface is carried out, and the stratum is partially excavated first as the construction surface of the horizontal...
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