Journal of Energetic Materials

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In recent years, with the increasing number of terrorist attacks and explosions in structures, extensive studies have been carried out on the performance of structures and their reactions under blast load. Due to the importance of the pile in the load transfer of various structures such as wharves, oil platform and bridges it is essential to study the behavior of this member. In this research, to minimize the damage caused by the blast load and the waves caused by the blast, the behavior of steel piles in two types of loose and dense sandy soil was investigated in Abaqus. The modeled pile is placed under different blast loads at 5 m distance from the pile head (at the soil surface) and the end of the pile (at the soil depth) has been studied. Finally, it was observed that the bending moment pile in dense sandy soil was significantly more than bending moment pile in loose sandy soil. The horizontal displacement of the pile head when the blast occurred at the soil surface is far greater than the displacement of the pile head under the blast load.
 

Keywords: Pile, Blast, Abaqus, Sandy soil, Bending moment

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