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- Title
The Effect of Blast Load on Three-Dimensional High-Rise Steel Frame Structure.
- Authors
Mandhare, Ranjeet; Pujari, Atul
- Abstract
The use of vehicle bombs to attack city centers has been a feature of campaigns by terrorist organizations around the world. A bomb explosion within or immediately nearby a building can cause catastrophic damage on the building's external and internal structural frames. The objective of this study is to shed light on blastresistant building design theories, the enhancement of building security against the effects of explosives in both architectural and structural design process and the design techniques that should be carried out. To analyze high-rise steel structure for blast loading, we have to generate a model of high-rise steel structure using E-tabs software which can resist all types of loading such as dead load, live load, seismic load using IS: 800 (2000) and IS: 1893 (part-1). The same structure is again analyzed for blast loading, due to which partial collapse or total collapse may occur which can be studied. The finite element software ETABS-2015, and a 3-dimensional model consisting of 20 stories of steel structures are first created, then blast loading is calculated and assigned using time history function. Blast loading at various standoff distance is calculated using IS: 4991 (1968). This blast load is assigned to structure and its behavior is analyzed. The parameters checked after analysis of blast loading on structure are demand capacity ratio, bending moments, shear force, deflection and story drift.
- Subjects
BLAST effect; STEEL framing; VIBRATION of steel framing; BLAST damage to buildings; MEASUREMENT of shear (Mechanics); MECHANICAL loads; MATHEMATICAL models
- Publication
IUP Journal of Structural Engineering, 2017, Vol 10, Issue 3, p20
- ISSN
0974-6528
- Publication type
Article