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The Research of Inclined-Layer Placing Effect on the Thermal Field and the Thermal Stress of the RCC Gravity Dam

Author: LiuZuo
Tutor: ChenYaoLong
School: Xi'an University of Technology
Course: Hydraulic Structure Engineering
Keywords: RCC gravity dam The oblique layer horizontal push paving method ANSYS Temperature field Temperature stress Finite Element Method
CLC: TV642.2
Type: Master's thesis
Year: 2008
Downloads: 86
Quote: 0
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Abstract


The oblique layer flat push paving Law roller compacted concrete dam technology already in many engineering applications, compared with the traditional flat - layer pavement the oblique layer horizontal push paving method is easier and more economical , more efficient superiority . Research on temperature field and thermal stress of RCC dams predecessors in this regard has been made ??many important results , the use of oblique layer level push paving in this regard is not summed quantitative standard , this study the oblique layer pavement temperature field and temperature stress , and thus provide a basis for the construction design . This article from the heat conduction theory , derive the theoretical formulas of the finite element method of the temperature field and thermal stress . Using ANSYS APDL language preparation roller compacted concrete gravity dam temperature field and thermal stress field simulation program . The program is considered in the process of compiling the RCC stratified pouring construction intermittent changes in the elastic modulus , adiabatic temperature rise process , changes in ambient temperature , concrete creep of different reservoir elevation and other factors on the dam body temperature and stress field the impact . In this paper, a roller compacted concrete dam project push inclined layer of flat paving method and flat layer pavement of two different methods of construction field, temperature stress of the whole process of simulation analysis . Through analysis of the results , draw some conclusions, and hope can provide some reference for future research in this area .

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CLC: > Industrial Technology > Hydraulic Engineering > Water control,hydraulic structures > Dams > Concrete dam > Roller compacted concrete dam
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