Two Dimensional Numerical Simulation of Temperature Field During the Constructionof the Gravity Dams with Cooling Pipe
Publish place: 7th International Congress on Civil Engineering
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE07_657
تاریخ نمایه سازی: 29 دی 1384
Abstract:
Because of the cement hydration in mass concrete the temperature grows up. Weak heat conduction property of the concrete usually gives rise to thermal stresses which may cause cracking . Using cooling pipe may help overcoming the problem . In order to analysis temperature field and the effects of cooling pipe during the concrete hardening and gradual construction of the mass concrete structures, a temperature simulation program is developed using finite volume formulation which is derived by application of the Galerkin method on the domain discretized into triangular elements. The solution algorithm considers gradual moving the top boundary of the solution domain . the accuracy of the numerical model is assessed by comparison of the result with available analytical solutions and experimental measurements of two-dimensional square domain. The developed computer model is utilized to model the transient temperature field due to effects of cement hydration, cooling pipes , heat conduction, laminar construction , boundary conditions and ambient weather in various stages of construction of a typical gravity dam.
Authors
Saeed-Reza Sabbagh-Yazd
Assistant professor
Kamiar Davallou
M.Sc. Hydraulic Structures
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