The Finite Element Analysis of Temperature Cracking Propagation Process of Pouring Mass Concrete

Abstract:

Mass concrete temperature cracking is an important problem of concrete foundation safety in civil engineering projects, which exists from construction process of concrete foundation to operation period. This paper introduces the simulation method of mass concrete temperature cracking propagation process by Finite Element Method(FEM). With the concrete heat conduction problem, an example to study concrete surface cracks of the whole process of pouring concrete caused by temperature changes and discussed how concrete cracking process brought from temperature decrease is simulated by FEM. The results show that the finite element method can effectively simulate the development of concrete block cracks under temperature stress. The calculation result accord the cracks distribution law of mass concrete blocks in the uniform temperature drop and the basis of strong constraints.

• Periodical: Applied Mechanics and Materials (Volume 302)
• Pages: 499-501
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.302.499
• Online since: February 2013
• Authors: Yan Li, Wen Yang Dong, Bo Wang
• Keywords: Cracking Propagation Process, Finite Element Method (FEM), Numerical Simulation, Pouring Mass Concrete Structure, Temperature Crack

References

[1] Kaplan M F. Crack propagation and the fracture of concrete[J]. Journal of American Concrete Institute, 1961, 58(5): 591-610.

[2] Hillerborg A, Modeer M, Petersson P E. Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements[J]. Cement and Concrete Research, 1976, 6(6): 773-782.

DOI: 10.1016/0008-8846(76)90007-7

[3] Bazant Z P, Oh B H. Crack band theory for fracture of Concrete[J]. Material and Structures, 1983, 16(93): 155-177.

[4] Jenq Y S, Shah S P. Two parameter fracture model for concrete[J]. Journal of Engineering Mechanics, 1985, 111(10): 1227-1241.

DOI: 10.1061/(asce)0733-9399(1985)111:10(1227)

[5] Jenq Y S, Shah S P. Determination of fracture parameters of plain concrete using three-point bend tests[J]. Materials and Structures, 1990, 23(138): 457-460.

DOI: 10.1007/bf02472029