A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Research on Precast Roof Truss of Prestressed Concrete Square Pile
The precast roof truss of prestressed concrete square pile is a new self-balancing system composed of prestressed concrete square pile, strut and steel tension rod. Based on finite element analysis methods, the bending moment and deformation under most unfavorable design load was checked upon crack resistant bending moment to verify its engineering feasibility, the optimal prestressed value was analyzed to get the camber of the top chord beam, and the optimal tension method for bottom chord tension rod was determined. Compared with finite element analysis results, the full scale model test was carried out to further verify its engineering feasibility and some optimization recommendation was proposed. It suggests that the tension order of middle section before diagonal rod, initial prestressed value of 10t, and prestressed control method of monitoring camber at midspan is the most reasonable and optimal solution.
Research on Precast Roof Truss of Prestressed Concrete Square Pile
The precast roof truss of prestressed concrete square pile is a new self-balancing system composed of prestressed concrete square pile, strut and steel tension rod. Based on finite element analysis methods, the bending moment and deformation under most unfavorable design load was checked upon crack resistant bending moment to verify its engineering feasibility, the optimal prestressed value was analyzed to get the camber of the top chord beam, and the optimal tension method for bottom chord tension rod was determined. Compared with finite element analysis results, the full scale model test was carried out to further verify its engineering feasibility and some optimization recommendation was proposed. It suggests that the tension order of middle section before diagonal rod, initial prestressed value of 10t, and prestressed control method of monitoring camber at midspan is the most reasonable and optimal solution.
Research on Precast Roof Truss of Prestressed Concrete Square Pile
Liu, Jia-Bin (author) / Guo, Zheng-Xing (author) / Chen, Le-Qi (author)
2014
6 Seiten
Conference paper
English
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