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Study on Reinforced Crumb Rubber Concrete Simple Beam and the Frame’s Earthquake-resistant

Author: LiChengFang
Tutor: ZhuHan
School: Tianjin University
Course: Structural Engineering
Keywords: Rubber Concrete Finite Element Ductility Plastic hinge Sectional curvature Frame structure
CLC: TU375.4
Type: Master's thesis
Year: 2007
Downloads: 74
Quote: 1
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Abstract


The rubber aggregate concrete , also known as elasticity of concrete , it is a new environmentally friendly building materials . Crumb rubber concrete its unique crack resistance , stability , resistance to corrosion and fatigue, long life and other characteristics , together with some persuasive engineering practice , has made ??a place in the field of road laying . If be utilized in the building structure , compared with ordinary concrete , the obvious advantage is its good ductility . Our concern is: compared with ordinary concrete application of crumb rubber concrete in the structure , and in the case not to increase the cross-sectional area and does not increase the reinforcement , its carrying capacity will drastically reduce its better ductility performance mainly reflected ? studies made ??in this article is based on the predecessors rubber aggregate content is 100kg / m ~ 3 ~ 150kg / m ~ 3 of crumb rubber concrete series of material experiments and some of the existing literature achievements . Based on the theoretical basis of ordinary concrete , the use of large-scale finite element analysis software ANSYS conducted a comprehensive analysis and comparison of the two groups of four reinforced concrete made ??with ordinary concrete and rubber concrete Charpy . Each group of two different cross-section of beam reinforcement ratio . Explore the strength class C35 rubber aggregate reinforced concrete beam normal section flexural capacity limits , also obtained deflection ductility factor , the length of the plastic hinge curvature ductility factor and compression zone height value and were compared with the same intensity level of ordinary concrete . Of crumb rubber concrete flexural members will bring better ductility conclusion . Finally , the framework for two different materials , one is all ordinary concrete beams with crumb rubber concrete column still with ordinary concrete specification method preliminary comparative study of its seismic performance . Obtained the part ductility member use crumb rubber concrete will significantly improve the structural ductility conclusion .

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