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Computers and Concrete Volume 13, Number 4, April 2014 , pages 437-456 DOI: https://doi.org/10.12989/cac.2014.13.4.437 |
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Lattice discrete particle modeling of compressive failure in hollow concrete blocks |
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Fatemeh Javidan, Sharif Shahbeyk and Mohammad Safarnejad
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| Abstract | ||
| This work incorporates newly introduced Lattice Discrete Particle Model (LDPM) to assess the failure mechanism and strength of hollow concrete blocks. Alongside, a method for the graphical representation of cracked surfaces in the LDPM is outlined. A slightly modified calibration procedure is also suggested and used to estimate required model parameters for a tested concrete sample. Next, the model is verified for a compressively loaded hollow block made of the very same concrete. Finally, four geometries commonly used in the production of hollow concrete blocks are selected, numerically simulated, and their failure properties are explored under concentric and eccentric compressions. | ||
| Key Words | ||
| concrete block; failure; lattice discrete particle model; graphical representation; calibration | ||
| Address | ||
| Fatemeh Javidan, Sharif Shahbeyk and Mohammad Safarnejad: Faculty of Civil and Environmental Engineering, Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O. Box 14115-143, Tehran, Iran | ||