Research On Static Test Of Pre-stressed Reinforced Concrete Rigid-Frame Beam With Draped Tendons

In this thesis, experimental and FEM analysis on Pre-stressed RC Rigid-Frame Beam with Draped Tendons (PRCRFB-DT) have been carried out to get well known of its static behavior.This paper presents two large scale test models which have been designed and made in sixteen meters span with different value of stirrup ratio and cross sectional area. Displacement and strain of the specimen vary from different loading step. Cracks on the beams during the test were recorded. The investigation presented here examines experimentally the behavior of PRCRFB-DT, such as structure stiffness, ultimate bearing capacity and failure mode.Also, PRCRFB-DT FEM model are established in using ABAQUS software. Key point displacement are calculated and strain of the concrete, rebar, tie and pre-stressed wire in the specimen vary from different loading step. Analysis on Pre-stress degree of PRCRFB-DT is proposed.More, Key cross section calculation method suggested in GB50010-2010has been used to estimate the ultimate bearing capacity of PRCRFB-DT. Linkage calculation method are used to simulate the stiffness and deformation of PRCRFB-DT.To sum up, Pre-stressed technology has been widely used in long-span structures. The thesis provides reliable experimental evidence for simplified calculation method. PRCRFB-DT shows excellent static performance in large span structures. As a new structure system, the paper provides reliable experimental evidence for Heilongjiang Museum Construction Project and valuable reference for further research.