Concurrent operation high-speed railway separated line roadbed structure and construction method thereof
A technology for high-speed railways and construction methods, applied in infrastructure engineering, roads, buildings, etc., can solve problems such as subsidence, deformation, and offset of operational roadbeds, and achieve the effects of reducing project costs and avoiding equipment encroachment
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[0030] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0031] like figure 1 As shown, the subgrade structure of the separated high-speed railway in parallel operation includes multiple rows of bored piles 3 uniformly distributed along the width direction of the new railway subgrade 1, and each row of bored piles 3 includes a plurality of bored piles 3 uniformly distributed along the length direction of the railway subgrade. The bottom of the bored pile 3 penetrates the soft soil layer to the hard soil layer or rock layer at the bottom, and the top of the bored pile 3 is laid with a 0.1-0.2m thick concrete cushion, and a reinforced concrete U-shaped groove 5 is arranged on the concrete cushion , the top of the bored pile 3 is embedded in the bottom plate of the reinforced concrete U-shaped groove 5, and is rigidly connected with the bottom plate of the reinforced concrete U-shaped groove 5, and the r...
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