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Abstract
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Article Information:
Impounding Experimental Research of Large Span Aqueduct
Huafeng Deng, Min Zhu, Xianfan Yuan and Qian Luo
Corresponding Author: Huafemg Deng
Submitted: July 27, 2012
Accepted: September 17, 2012
Published: April 15, 2013 |
Abstract:
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In this study, we have a research of the impounding experimental research of large span aqueduct. Caohe aqueduct is the mark building of the middle line of the South-to-North Water Diversion Project, of which the span is 30m. For this aqueduct, the structure is relatively complicated with great technical difficulties, what’s more there's no engineering experience or theoretical method to provide reference in domestic and abroad. It can be seen clear that whether the actual stressing state, deformation conditions and prestressed tension effect etc. meet the design requirements will directly affect the safe operation of aqueduct, so the impounding experiment of the aqueduct was carried out before formal operation. At the meanwhile, the deformation characteristics and stress characteristics of the aqueduct under various impounding conditions were analyzed in detail. The experiment results analysis shows that, the aqueduct structure is under a good elastic working condition with only 0.98mm maximum deflection deformation at mid-span, which meets the design and specification requirements. At the same time, all of the measure point’s stress is in the range of designed material, which means the structure form is safe and reliable and can meet the requirements of the later operation good.
Key words: Aqueduct, deflection deformation, impounding condition, large span, , ,
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Cite this Reference:
Huafeng Deng, Min Zhu, Xianfan Yuan and Qian Luo, . Impounding Experimental Research of Large Span Aqueduct. Research Journal of Applied Sciences, Engineering and Technology, (13): 3576-3581.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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