A RELIABLE NUMERICAL APPROACH OF PRECAST PRESTRESSED PLANK
A. Mugesh
PG Scholar Department of Civil Engineering, Dhirajlal Gandhi College of Technology, Salem, (Research Project Trainee – CSIR- Central Building Research Institute-CBRI) , IN
S. Gobinath
PG Scholar Department of Civil Engineering, Dhirajlal Gandhi College of Technology, Salem, (Research Project Trainee – CSIR- Central Building Research Institute-CBRI) , IN
Keywords: Prestressed beam, strands, Eccentrically Prestressing, ANSYS 17.2.
Abstract
There are numerous methods available to improve the structural performance & structural enhancement of a Reinforced Elements, but compared to those methods the prestressing method plays a vital role in the construction technology. This article depicts about prestressing rectangular composite plank which was modeled using ANSYS software 17.2 with the theoretical data as per IS 1343-1980 standards. The three dimensional analysis were done for the composite plank element involves a dimension of (3000 mm x 1000 mm x
90mm) and the precast concrete member hoisting the five numbers of prestressing strands of 12.5 mm diameter with high tensile grade of 1770 MPa. The finite element modeling was done in eccentric mode with prestressing behavior, the models were analyzed based on the static structural material behavior for the plank element and also based on the mesh sensitivity. A comparative analysis of deflection behavior was done for both theoretical and numerical findings. This work deals with the simulation behavior is nearly close to the theoretical findings with a valid material standards of the model with a comparable accuracy
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