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Coupled Systems Mechanics
  Volume 8, Number 4, August 2019 , pages 289-298

Mesoscopic analysis of reinforced concrete beams
Tintu Shine A.L., Fincy Babu and Dhileep M.

    Reinforced concrete can be considered as a heterogeneous material consisting of coarse aggregate, mortar mix and reinforcing bars. This paper presents a two-dimensional mesoscopic analysis of reinforced concrete beams using a simple two-phase mesoscopic model for concrete. The two phases of concrete, coarse aggregate and mortar mix are bonded together with reinforcement bars so that inter force transfer will occur through the material surfaces. Monte Carlo\'s method is used to generate the random aggregate structure using the constitutive model at mesoscale. The generated models have meshed such that there is no material discontinuity within the elements. The proposed model simulates the load-deflection behavior, crack pattern and ultimate load of reinforced concrete beams reasonably well.
Key Words
    mesoscopic analysis; reinforced concrete beam; deep beam; two-phase
Tintu Shine A.L.: Department of Civil Engineering, Viswajyothi College of Engineering and Technology, Ernakulam, India

Fincy Babu: Kerala Rural Water Supply and Sanitation Agency, Kerala, India

Dhileep M.: Department of Civil Engineering, Muthoot Institute of Technology & Science, Ernakulam, India

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