Stress Analysis in Concrete with Cooling Pipes

by N. G. Gong, Univ of Nottingham, Nottingham, United Kingdom,
G. R. Li, Univ of Nottingham, Nottingham, United Kingdom,



Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering

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: Concrete pipes | Concrete dams | Finite element method | Thermal loads | Stress analysis | Thermal analysis | Substructures

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