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Analysis on Temperature Effects of Special-Shaped Column Structures

Author: LuLiPing
Tutor: HeYiBin
School: Hunan University
Course: Structural Engineering
Keywords: Crack Temperature effect Shaped Column Structure Scantlings Shear wall Finite Element Method
CLC: TU375
Type: Master's thesis
Year: 2009
Downloads: 63
Quote: 0
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Abstract


Shaped column structure , including special-shaped column frame and shaped columns frame shear wall structure ; With a flexible section form , shaped columns in the structural design of a wide range of applications . The length and height of the building due to the pursuit of high-rise residential and large public buildings of architectural features and needs are increasing , due to the aesthetic and practical needs often require fewer joints even with joints , diversity and structure of the component in the form of plane complexity makes the crack resistance become such an important part of the engineering design . The temperature effect is one of the reasons that led to the cracking of concrete structures , structural design not handled properly, will make structural cracks , and even affect the normal use of the structure , which need to consider the impact of temperature on the structure . Due to the high-rise building complex calculation senior reinforced concrete structure temperature stress there are certain difficulties , most of the research and design staff take a simplified calculation method , the conclusion is rough shape . Reasonable , more accurately calculate the structure of temperature stress is reasonable to consider the temperature effect . In this paper, on the basis of existing theory and research , the first use of finite element software ANSYS proceed from the space angle analysis of the effect of seasonal temperature and sunshine temperature difference between the role of the temperature of a shaped column frame shear wall structural engineering instance , get structure in use during the distribution characteristics of the temperature effect , by calculating the results show that the structure of the cracks as a function of temperature ; then this article is typical shaped column frame , shaped column frame shear wall temperature effect obtained scantlings impact and shear wall location of the temperature effect of the special-shaped column structure ; article also shaped column frame and rectangular columns frame the temperature effect comparative analysis ; final the board temperature stress regression analysis based on the finite element analysis results , derived structure board in seasonal temperature under temperature stress formula .

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures
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