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Study on Control Method for Prevention from Concrete Crack Based on Concrete Pumping Construction of the Pumping Station of Wannian Sluice of the South-to-North Water Diversion Project

Author: ZhangHaiTao
Tutor: SongXiuGuang；ZuoZuo
School: Shandong University
Course: Hydraulic Engineering
Keywords: Pump station Crack Digital simulation Temperature field Stress field The pumping station of Wannian Sluice project Bottom board Inflow channel Temperature control measures for cracking prevention
CLC: TV544
Type: Master's thesis
Year: 2009
Downloads: 44
Quote: 1
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Abstract


In the north area to the Yangtze River, structural cracks of concrete will occur more or less in pump station during construction , which brings trouble to construction and the durability of concrete structure. In recent years , the technique of transferring liquid concrete by pumping is widely used in the concrete construction of pumping station , which causes more cracks than usual. So research on mechanism of cracks , main influencing factors of cracks and concrete cracks prevention are brought forward, which would improve quality , safety and durability of project.In this paper ,combining the construction of Wannian Sluice, the author simulate temperature field and stress field of the bottom board and inflow channels of Wannian Sluice project considering all situations during construction. After analyzing the result of the foregoing simulation , find out mechanism of cracks and which are main factors causing cracks, then bring out measures to prevent cracks. All measures to prevent cracks aim to improve quality and progress of construction project.

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CLC: > Industrial Technology > Hydraulic Engineering > Hydraulic engineering construction > A variety of engineering,types > Concrete and reinforced concrete works
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