Research on drainage design of G2 Beijing-Shanghai expressway reconstruction project crossing Shuanghou reservoir
Taking the reconstruction project of the Beijing-Shanghai expressway passing through the water environment sensitive area of Shuanghou reservoir as an example,based on the premise that the drainage of the expressway does not affect the water environment of the reservoir,three schemes of setting up sedimentation tank and pipe bridge crossing scheme and pipeline drainage with inverted siphon along the bottom of the reservoir are proposed.The advantages and disadvantages of the three drainage schemes are comprehensively compared and analyzed.Finally,the drainage outside the road boundary was calculated and the drainage capacity of the drainage ditch was verified,providing reference for drainage calculation of similar projects.
drainage designreconstruction and expansion projectwater sensitive areas
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