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The Research on Speeding up the Drainage Consolidation of the Project of Reinforcing the Yellow River Dike by Desilting

Author: HuangHaiMing
Tutor: LiuXiaoWen
School: Nanchang University
Course: Geotechnical Engineering
Keywords: Yellow River Fangyugudi 淤背body Pore ??water pressure dissipation Drainage measures
CLC: TV871
Type: Master's thesis
Year: 2009
Downloads: 32
Quote: 0
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Abstract


In recent years, the state has increased investment in the Yellow River flood control projects, standardization dike construction. Levee heightening and thickening while a large number of Fangyugudi engineering and dike road hardening projects, to meet the requirements of the Yellow River flood control and rescue. The longitudinal cracks standardized dikes and roads newly built South Bank in Henan, Shandong spots. Main reason the Yubei body poor drainage or lag, so that the dike soaked in water for a long time, combined with the loading of siltation earthworks, causing Pui River ground subsidence caused by the levee cracks; addition Fangyugudi process slow drainage by the penetration of water, often two, three dike collapsed, seriously affecting Yuqu construction schedule. This paper sets to speed up drainage consolidation program, field trials, theoretical analysis and numerical simulation methods such as Bank that Constructed with its Silt construction process Fangyugudi engineering moisture dissipation process, grasp the the Yubei body drainage consolidation law; through field tests and numerical simulation and other methods to put forward practical the speed up Yuqu drainage rate measures the effect of accelerating the Bank that Constructed with its Silt body moisture dissipation rate, comparative analysis of the various measures and programs. The main contents are as follows: (1) the construction of the Yellow River dike Fangyugudi survey. Collect the Yellow River the dike Fangyugudi engineering construction design, construction, and other information, to understand Fangyugudi construction way, impermeable drainage measures taken, as well as construction problems. (2) analysis by conventional consolidation theory warping process and regularity of pore water pressure dissipated after the completion of different drainage boundary conditions, such as the use of the variation of pore water pressure in the joint horizontal drainage and horizontal and vertical drainage measures. (3) by setting different sets of drainage program in the field for Fangyugudi trial determination Yuqu different periods of the groundwater level changes. Summed up the water level in the drainage measures changes in the law and its drainage effect through the test. (4) by the three-dimensional flow - solid coupling theory large FLAC3D software the Yuqu different drainage measures, ways and laws of the levee and dike within the soil pore water pressure dissipated master the Yubei drainage consolidation law. Select and effect of (5) Fangyugudi engineering drainage measures the comparative analysis. Comprehensive experimental results and conclusions of the theoretical analysis and numerical simulation results and analysis from the economy, technology and other aspects of the various drainage schemes in the the Bank that Constructed with its Silt body moisture dissipation rate effect, provide technical support so as to be able to effectively speed up the construction speed back aggradation body. (6) analysis countermeasures and methods proposed Fangyugudi engineering to accelerate the drainage rate.

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CLC: > Industrial Technology > Hydraulic Engineering > River training works and flood control projects > Flood control projects > Embankment
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