Stress Analysis in Concrete with Cooling Pipesby N. G. Gong, Univ of Nottingham, Nottingham, United Kingdom,
G. R. Li, Univ of Nottingham, Nottingham, United Kingdom,
Abstract: A substructure method of finite element analysis is adopted in this paper to simulate heat transfer and thermal stresses in a concrete dam. The massive concrete structure is cooled by embedded cooling water pipes. One-dimensional pipe elements are used to simulate the cooling pipes. These pipe elements couple with a computed plane on which the two-dimensional thermal and stress analyses are carried out. Sizes of the computing problems are much reduced using the substructure method. The results of a numerical example have shown that the temperatures of the concrete dam structure can be controlled effectively using the cooling pipes during its construction.
Subject Headings: Thermal loads | Concrete pipes | Finite element method | Stress analysis | Thermal analysis | Concrete dams | Substructures | Concrete structures
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