Study on Numerical Inversion of Concrete Temperature Field with Cooling Pipe

2011 ◽  
Vol 368-373 ◽  
pp. 1939-1942
Author(s):  
Shou Kai Chen ◽  
Wei Wei Zhang

The accuracy of thermal parameters, which are one of the important conditions to study the problem of temperature control and crack prevention of concrete, directly influence the calculation of concrete temperature and stress field. Based on basic genetic algorithm, the FORTRAN procedure was programmed after improving its defects. According to a project, the temperature test was carried out in one of sections of a prototype concrete structure, and the measured temperature dates were obtained. Based on the improved genetic algorithm and the measured temperature dates, the thermal parameters of concrete were obtained after back analysis, and the calculated and measured values were compared. The results show that the improved genetic algorithm provides a effective way for back analysis of concrete temperature field.

2021 ◽  
Vol 676 (1) ◽  
pp. 012124
Author(s):  
Kai Peng ◽  
Yuefei Zhou ◽  
Yaolai Liu ◽  
Liangliang Ma ◽  
Yi Xie ◽  
...  

2015 ◽  
Vol 19 (sup8) ◽  
pp. S8-840-S8-845
Author(s):  
L. Pei ◽  
J.-K. Chen ◽  
Z.-Y. Wu ◽  
Y.-L. Li ◽  
H. Zhang

2011 ◽  
Vol 261-263 ◽  
pp. 137-141
Author(s):  
Yu Song Jiang ◽  
Li Tan Pan ◽  
Chao Su

Based on the coupled thermal-fluid pipe element, a numerical computation method for concrete temperature field with pipe cooling is proposed in this paper. This method has both the high efficiency of equivalent negative heat source method and the high precision of cooling pipe discrete element method. The theory and detailed steps of the method are introduced. Then the validity and accuracy of the proposed method are demonstrated by an engineering example of concrete ship lock which is better consistent with the measured results.


2012 ◽  
Vol 462 ◽  
pp. 402-406
Author(s):  
Ying Bin Kang ◽  
Hui Xia Bian

Control the concrete temperature to reduce the temperature cracks is one of the main tasks in the concrete dam construction. Water cooling is the most effective temperature control measure of concrete dam. In connection with the concrete temperature field of cooled computational problems, according to the water and heat exchange between the concrete and cooling water pipes, The cooling pipe is considered as the effect source of heat, and the effect of the water cooling is considered on average meaning, and then the approximate temperature field can be obtained through the finite element.


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