This paper presents new insights into the influence of explosive charge backing on impulse transfer and transient response characteristics plates subjected to close-proximity air blast loading. The results combine experimental computational studies show critical backing, which caused between a 3-5 times increase in when was metal-backed. permanent deflections from metal-backed detonations were ...

The results of the experimental and theoretical investigations mutual effect on their puffing/micro-explosion droplets in a flow, using an example two closely spaced tandem, are presented. It is shown that time to (?p) lead droplet always shorter than downstream droplet, difference between them decreases with increasing distance divided by initial diameters (2Rd0). ?p both increases Rd0. interp...

background: new technologies using hazardous materials usually have certain risks. it is more serious when the technology is supposed to be applied in a large scale and become widely used by many people. the objective of this paper was to evaluate the risk of vapor cloud explosion in a hydrogen production process. methods: potential hazards were identified using the conventional hazard identifi...

dynamic response of underground structures has always been a topic of concern for designers and researchers. the behavior of these complicated systems under blast loading is affected by various factors and parametric studies are required to investigate their significance. the importance of soil density around the underground structure through which, the waves of explosion of a penetrator bomb i...

structural health monitoring of cracked structures is one of beloved subject of researchers recently. consider of crack behavior in the water and energy pipeline is important because of environmental problems. in this paper consider of crack parameters in the underwater pipe subjected to mechanical transient load is investigated. for this purpose, three- dimensional parametric model of cracked ...

The explosion process of explosives in a borehole applies a very high pressure on its surrounding rock media. This process can initiate and propagate rock fractures, and finally, may result in the rock fragmentation. Rock fragmentation is mainly caused by the propagation of inherent pre-existing fractures of the rock mass and also from the extension of the newly formed cracks within the intact ...