Simulation of Concrete Slab Behavior to Explosion

M. Shahib Al Bari (Department of Civil Engineering, Faculty of Civil, Environmental, and Geo Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya 60111, Indonesia.)
Januarti Jaya Ekaputri (Department of Civil Engineering, Faculty of Civil, Environmental, and Geo Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya 60111, Indonesia.)
F. Faimun (Department of Civil Engineering, Faculty of Civil, Environmental, and Geo Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya 60111, Indonesia.)
Julendra Bambang Ariatedja (Department of Mechanical Engineering, Faculty of Industrial Technology, Institut Teknologi Sepuluh Nopember (ITS), Surabaya 60111, Indonesia.)
Buntara S. Gan (Department of Architecture College of Engineering Nihon University, 1-Nakagawara, Tokusada Tamura Machi, Koriyama City, Fukushima Prefecture, Japan 963-8642.)

Journal of Infrastructure and Facility Asset Management
Vol 1, No 2 (2019): Journal of Infrastructure & Facility Asset Management

Special structure prone to explosion requires special material. Identification of special material is required to find the right concrete properties. Researching material behavior using explosion test is costly. Therefore, prediction using simulation is needed. In this study, we use ANSYS Workbench as a simulation program. The explosion test model comprised a non-reinforced slab 500×500×50 mm and TNT cube. It was found that the compressive strength minimum of the concrete slab that withstand the explosion of 30 grams TNT was 20 MPa. The Young modulus affects to the concrete behavior using default RHT Concrete properties. It had instability against modified concrete properties when performing numerical analysis.