XU Shi-qiang, ZOU Qun, ZHE Xue-sen, FENG Jian-hu, SHI Lei. Pool level analysis of highway loess dam embankment[J]. Journal of Traffic and Transportation Engineering, 2012, 12(6): 13-19. doi: 10.19818/j.cnki.1671-1637.2012.06.003
Citation: XU Shi-qiang, ZOU Qun, ZHE Xue-sen, FENG Jian-hu, SHI Lei. Pool level analysis of highway loess dam embankment[J]. Journal of Traffic and Transportation Engineering, 2012, 12(6): 13-19. doi: 10.19818/j.cnki.1671-1637.2012.06.003

Pool level analysis of highway loess dam embankment

doi: 10.19818/j.cnki.1671-1637.2012.06.003
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  • Author Bio:

    XU Shi-qiang(1972-), male, associatep rofessor, PhD, +86-29-82335655, qiangshixu@126.com

  • Received Date: 2012-08-18
  • Publish Date: 2012-12-25
  • In order to find out the idle reasons of loess dam embankment culvert for highway, the calculation model of reservoir was established according to the geological boundary conditions of U-shaped gully for embankment upriver water storage. In out water modes were set up based on the characteristics of embankment in-out water. Pool level formulae were proposed based on seepage mechanics and evaporation theory. Water level was calculated with simulated embankment parameters from investigation and actual measuring, and was contrasted with the actual situation of embankment water storage. Analysis result shows that highway loess dam embankment is of upper limit water levels without drainage and the influences of mud and sand in normal rainfall, that are ideal average water level and upper limit peak water level. The upper limit water level is not related with storing time. The essence reason for idle culvert is that upper limit peak water level is less than the bottom elevation of culvert, and the effect of upper limit peak water level on balancing storage should be considered in actual design. 4 tabs, 9 figs, 16 refs.

     

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