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Impact compressive response of dry sand

Witryna8 sty 2013 · The nearly uniaxial stress-strain curves exhibit an elastic-plastic behavior, whereas the uniaxial stress-strain curves show a brittle behavior. The compressive … Witryna4 lip 2024 · The dynamic response, energy dissipation and particle-breaking behaviors of sand subjected to high-speed impact were investigated. Sand specimens with moisture contents of 0%, 2%, 4%, …

珊瑚砂应变率效应研究

WitrynaThe sands varied in grading and angularity, though at a strain rate of 103s−1the results for all three sands indicated a reduction in stiffness in 20% saturated samples compared to the dry sand, followed by a stiffening response for saturations of 40−100%, with the onset of lock-up behaviour varying between sands. Witryna1 lis 2012 · The effects of strain rate, initial void ratio, confining pressure, saturation, shape and size of grains, as well as grain mineralogy on the response of sand to HSR loading are also discussed. Issues related to inertial effects that may affect HSR response are explored. A brief summary of the response of sand to shock loading is … cursor sticks and jumps https://hotel-rimskimost.com

Shock response of dry sand. (Technical Report) OSTI.GOV

WitrynaIn both dynamic and quasi-static experiments, the 1.50×10 3 kg/m 3 dry sand, confined with a polycarbonate tube, had the same dimensions, making the strain rate the only … Witryna1 maj 2011 · response of the sand was signif icantly dependent on the initial density, compaction and moisture content. Very few researchers (Laine and Sandvik 2001, Wang et al. 2004, Tong and Tuan 2007,... Witryna23 gru 2024 · The effect of relative density on the mechanical behaviour of dry coral sand was investigated.... Effect of Relative Density on the Mechanical Behavior of … chase auto payment sign in

TWO-SURFACE VISCOPLASTIC SAND MODEL FOR DISASTER …

Category:Effect of Mass Density on the Compressive Behavior of Dry Sand …

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Impact compressive response of dry sand

Experimental Study on Dynamic Compressive Behaviors of Sand …

Witryna1 lis 2011 · Request PDF Effect of Mass Density on the Compressive Behavior of Dry Sand Under Confinement at High Strain Rates Dynamic compressive behavior of … Witryna26 sie 2024 · In the field of soil drying methods, rapid microwave heating is progressively replacing conventional techniques. Due to the specific heat transport caused by microwaves, the drying process can significantly modify soil structure, which, in turn, can influence mechanical and filtration characteristics. In this study, we compared …

Impact compressive response of dry sand

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WitrynaOne-dimensional compressive stress-strain curves with the strain rates ranging from 460 to 1300 s −1 were obtained under different compactness levels. Combining with the static compressive results (strain rate of 10 −4 s −1 ), it is found that coral sand is affect with strain rate obviously. Witryna1 mar 2014 · The dynamic compressive behavior of sorted and unsorted Eglin sand (Quikrete #1961 sand quarried in Pensacola, FL) under confinement was characterized under dry or moisture conditions at strain rates near 600 s−1 using a long split Hopkinson pressure bar, respectively.

Witryna13 sie 2016 · Subsequently, low velocity impact tests of a sand column on a hard surface were carried out to explore the effect of various saturations on the impact … Witryna1 maj 2024 · The results show that the uniaxial compressive strength of sandy soil can always be enhanced by increasing the compaction degree while the reduction of its …

WitrynaEngineered cementitious composite (ECC) was discovered as a new substitute of conventional concrete as it provides better results in terms of tensile strain, reaching beyond 3%. From then, more studies were done to partially replace crumb rubber with sand to achieve a more sustainable and eco-friendlier composite from the original … WitrynaLuo H, Lu H, Cooper W and Komanduri R (2011) Effect of Mass Density on the Compressive Behavior of Dry Sand Under Confinement at High Strain Rates, Experimental Mechanics, 10.1007/s11340-011-9475-2, ... (2009) Impact compressive response of dry sand, Mechanics of Materials, 10.1016/j.mechmat.2009.01.003, …

Witryna1 cze 2009 · The results show that the compressive response of the dry sand is not sensitive to strain rate under the loading conditions in this study, but significantly …

Witryna1 cze 2024 · It can be observed that the stress–strain response of partially saturated sand generally stiffens with increasing initial dry density prior to water lock-up, while stiffening decreases with increasing saturation. An increase in confinement rigidity causes a rise in stiffness with lock-up occurring only in specimens confined in steel … cursor stopped working in documentWitryna22 paź 2024 · In this paper, a split Hopkinson pressure bar (SHPB) apparatus is used to conduct impact tests on two types of coral sand to investigate mechanical behavior. Using this approach, compressive stress-strain curves of the one-dimensional strain state are obtained, with strain rates ranging from 460 s −1 to 980 s −1. chase auto refinance cash-outWitryna11 lip 2024 · The effect of confinement on the stress-strain response of dry sand under uniaxial strain is schematically illustrated in Fig. 1. As the confinement increases, the … cursor statement to delete rowsWitryna1 gru 2016 · It was found in the experiments that an increasing water saturation (in the range between 10 and 30 %) affected the height of sand pile for a given drop height due to an increasing cohesion... cursor stopped working windows 11Witryna1 cze 2024 · The results showed a notable reduction of concrete strengths with an increase in sludge replacement. The compressive strength of 1% replacement at a … chase auto refinance loan ratesWitryna31 paź 2024 · As compared with dry soils, water plays more significant role, for load-bearing capability than the sand grains. The soil with lower clay/sand ratios has stiffened the mechanical properties under water saturated state, and pure clay and pure sand have reduced mechanical properties. 15.4 Conclusions cursors to download for robloxWitryna4 sie 2004 · The use of stress gauges for characterization of the shock behaviour of porous materials is an important tool for the description of non‐equilibrium response … chase auto refinance interest rates