| Summary: | 碩士 === 國立中央大學 === 土木工程學系 === 103 === The purpose of this thesis is to develop a new element that can analyze the pre-stressed concrete frame based on VFIFE. Simulate the nonlinear material and nonlinear geometry behavior of pre-stressed concrete or reinforced concrete. VFIFE is a vector form analysis method that is different to traditional finite element method. Advantages of VFIFE are point describe, inverse rigid body motion in each path element and no need to solve the matrices. This thesis based on VFIFE frame element extend to composite material section frame element for calculate the pre-stressed concrete internal forces.
For section strain distribution must be satisfy the assumption plane remain plane, pre-stressed concrete Internal forces program quotes Fiber Cross Section Method and iteration method to calculate the axial force and moment, and compare with software Response2000 which is developed by University of Toronto, verify internal force program by the Moment-Curvature diagram. Internal force program add in VFIFE method to do structure analysis. Finally, Results of this thesis provide some information of pre-stressed problem to Academic and Engineering.
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