Water Science and Engineering 2011, 4(4) 455-462 DOI:   10.3882/j.issn.1674-2370.2011.04.009  ISSN: 1674-2370 CN: 32-1785/TV

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coastal structures
plastic pipe cooling
temperature control
cracking prevention
steel corrosion
GUO Li-Xia
Article by Guo,L.X

Temperature control and cracking prevention in coastal thin-wall concrete structures

Li-xia GUO*1, Xiao-hong BAI2, Ling ZHONG1, Sheng QIANG3

1.Faculty of Water Conservancy Engineering, North China University of Water Conservancy and Electric Power, Zhengzhou 450011, P. R. China
2. College of Planning and Architectural Engineering, Henan University of Science and Technology, Luoyang 471003, P. R. China
3. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, P. R. China


A three-dimensional finite element program for thermal analysis of hydration heat in concrete structures with a plastic pipe cooling system is introduced in this paper. The program was applied to simulation of the temperature and stress field of the Cao’e Sluice during the construction period. From the calculated results, we can find that the temperature and stress of concrete cooled with plastic pipes are much lower than those of concrete without pipes. Moreover, plastic pipes could not be corroded by seawater. That is to say, a good effect of temperature control and cracking prevention can be achieved, which provides a useful reference for other similar nearshore concrete projects.

Keywords coastal structures   plastic pipe cooling   temperature control   cracking prevention   steel corrosion  
Received 2010-09-25 Revised 2011-06-06 Online: 2011-12-30 
DOI: 10.3882/j.issn.1674-2370.2011.04.009

This work was supported by the National Natural Science Foundation of China (Grant No. 50779010).

Corresponding Authors: Li-xia GUO
Email: guolx@126.com
About author:

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