DESIGN OF UNDERGROUND OPERATIONS COMPLEX FOR BLAST LOADS
Journal Title: International Journal of Innovative Research in Advanced Engineering - Year 2016, Vol 0, Issue 0
Abstract
Underground structures are an integral part of the infrastructure of modern society and are used for a wide range of applications, including subways and railways, highways, material storage, sewage and water transport. Underground structures built in areas subject to explosive attacks must withstand the blast loading and pressure coming on to the structure. Historically, underground structures have experienced a lower rate of damage than surface structures. The facility is deeply buried with a protective slab at top and a sand cushion between this protective slab and the roof slab of the facility so that it is safe from the top. But if the weapon penetrates through soil by the side of the protective slab at an angle and explodes, this will affect the side walls. For this condition we have to design the structure by providing sandwich RCC walls with sand filling in between or extending the top protective slab to a distance so that the distance between the final explosion of the weapon and the wall is increased thereby decreasing the design pressure. The structures subjected to blast loads require a detailed understanding of blast phenomena and the dynamic response of various structural elements.
Authors and Affiliations
NALINI M. , Dr. SHASIDHAR C. , GOPAL P
Keywords
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