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Concrete Creep Reseach of the Composite Beam after Considering Shear Slip

Author: GaoHuiXing
Tutor: LiuWenHui
School: Jilin Architectural and Civil Engineering
Course: Structural Engineering
Keywords: Composite Beam Concrete Creep Stud Connectors Midas
CLC: TU398.9
Type: Master's thesis
Year: 2010
Downloads: 48
Quote: 0
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Abstract


Steel and concrete composite structure is developed in the steel and concrete structures on the basis of a new type of structure , the pieces will work together in a new kind of beam combination of steel beams and reinforced concrete panels , this structure can give full play by shear connectors concrete has superior compression performance and steel has superior tensile properties , with stiffness , ductility , high capacity , saving material advantages and overcome their disadvantages , therefore , its performance than a single material structure made ??of more full play to the superiority of the two materials . Not only has good structure properties and performance , but also has a better economic efficiency , so it has been widely used . Concrete creep the combination Sommer performance for the concrete in Creep development process , the steel beams constraints , resulting in deformation of the concrete itself and reinforced concrete under the same conditions . Concrete creep Composite Beams impact the Composite Beam slip stiffness and strength of the structure can be changed , so creep composite beams is even more complicated . Of a detailed analysis of the concentrated loads Composite Beams consider the interface of concrete creep shear slip and strain difference obtained under concentrated loads Composite Beams consider concrete creep shear slip calculation methods. And theoretical value compared with known experimental data and Midas finite element software simulation analysis , validation Composite Beams consider concrete creep after shear slip correctness of centralized loads . The text is divided into four chapters , Chapters III and IV which is the core part .

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