Abstract In this paper, numerical simulation is used to study the buffer layer material, thickness and structure on reactive fragment load its action time under blast impact loading conditions. The results show that can significantly reduce peak pressure of detonation wave acting prolong time; buffering capacity different materials different; for same proportional material thickness; compared w...

Reactive Power Concrete (RPC) possesses high compressive strength, toughness, and durability, it is increasingly being used in important buildings. The column an load-bearing member of a building, its failure under blast loading results building collapse. Based on these attributes, the dynamic response degree damage to RPC are critical assessing performance. Due lack methods, progress study rel...

Ground granulated blast furnace slag (ggbs), can reduce the alkali load in concrete, despite its relatively high alkali content. Most research has been devoted to the efficacy of slag with an alkali content of less than 1.0% and this is reflected in guidance documents. A comparative assessment was made of the effect, if any, of the alkali level of ggbs on potential alkali-silica reactivity. Exp...

Blast loads have been increasingly studied in the past decades, especially regarding civil structures. Until recently, negative phase of these has disregarded, but studies concluded that effect suction must be included. In case plates, nonlinearity plays an important role, and membrane should also considered. This work focuses on influence plates subjected to blast loads. Equations were develop...

air cooled blast furnace slag is a by product made of gradually air cooled molten blast furnace slag, and is often stored in stockpiles near the iron mills and usually occupy a wide area around the iron mills. from this perspective the further use of these materials can have its own merits. air cooled blast furnace slag can be used in asphalt mixtures because of their proper frictional properti...

Columns are the key load-bearing elements in frame structures and exterior columns are probably the most vulnerable structural components to terrorist attacks. Column failure is normally the primary cause of progressive failure in frame structures. A high-fidelity physicsbased computer program, LS-DYNA was utilized in this study to provide numerical simulations of the dynamic responses and resi...

The mechanism of blast damage to steel-clad concrete-filled steel tube (SCCFST) arched protective doors is studied using the dynamic response characteristics such loads under action shock wave loads, and ultimate load-bearing capacity formula derived based on “plastic hinge” mode limit analysis, which explores effect wave. design parameters each component door subjected waves discussed. Results...

Blast, Pyricularia grisea (Cooke) Sacc., is one of the most destructive diseases of rice worldwide and canresult in significant reductions in yield. The use of resistant cultivars is the most economical and effectiveway of controlling rice blast. A variety of DNA markers, including plant defense-related candidategene markers are available for genetic characterization and molec...

blast disease of rice caused by pyricularia oryzae is a potentially damaging disease in northern due to planting of susceptible local cultivars and favorable conditions. to assess the effects of blast on rice yield components and yield loss, one field experiment was conducted at the lowland culture conditions. analysis of blast effects on rice indicated that the maximum yield losses due to unpr...