Impact compressive response of dry sand

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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 …

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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 … 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. how to search for eins

Impact compressive response of dry sand - 百度学术

Witryna9 wrz 2024 · The results showed that the compressibility and the granular crushing index of the dry sand were much greater than that of the saturated sand, and the dynamic stress-strain relationship of the dry sand exhibited three-stage nonlinear characteristics. Witryna11 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 … Witryna26 mar 2010 · Fractured sand is shown to exhibit abrasion, attrition and fracture modes with visual self-similarity limited to specific particle size range roughly divided into classes larger or smaller than ~50 microns. Initial particulate media density affects the bulk response to high-pressure/rate events. how to search for ebay member

Effects of particle size and moisture on the compressive behavior …

Dynamic behavior of frozen soil under uniaxial strain and stress ...

Witryna1 cze 2009 · Abstract. A split Hopkinson pressure bar (SHPB) was properly modified to obtain dynamic compressive stress–strain curves of dry sand at various high strain … 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 … how to search for elder maps poe tradeWitryna1 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 … how to search for duplicates in excel sheets

"Witryna1 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... " - Impact compressive response of dry sand

Impact compressive response of dry sand

TWO-SURFACE VISCOPLASTIC SAND MODEL FOR DISASTER …

Witryna1 mar 2024 · The strain rate effects on the compressive response of the sand were determined. ... The results show that the compressive response of the dry sand is … 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 …

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Witryna1 mar 2008 · OSTI.GOV Journal Article: Impact Compressive Response of Dry Sand.. Impact Compressive Response of Dry Sand. Full Record; Other Related Research Witryna1 lut 2024 · Sandy soil can be always enhanced by increasing the moisture content and degree of compaction. The mechanical properties of the sandy soil specimens with …

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 … Witryna1 kwi 2013 · The results of compressive high strain-rate experiments on compacted sand are presented. Experiments were conducted on a 60.3 mm split Hopkinson pressure bar (SHPB). The experiments showed that the… Expand 24 Save Alert Behavior of cementitious materials for high-strain rate conditions M. Schmidt, O. …

Witryna1 sty 2007 · The strain rate effects on the compressive response of the sand were determined. The sand was also prepared to specimens with a higher initial density of 1.62×103kg/m3 for dynamic... Witryna31 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

WitrynaImpact compressive response of dry sand. A split Hopkinson pressure bar (SHPB) was properly modified to obtain dynamic compressive stress–strain curves of dry …

Witryna1 cze 2024 · The objective is to determine the influence of initial dry density and confinement environment on the stress–strain response, energy absorption, and … how to search for ein number texasWitryna1 lis 2011 · Moreover, the uniaxial compressive behaviors of dry sand in the loading phase is independent of the strain rate [38][39] [40], or insensitive to the strain rate … how to search for elements in a vector in c++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 … how to search for .eml filesWitryna1 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. how to search for empty foldersWitryna1 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,... how to search for email in archives outlookWitryna4 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%, … how to search for email by dateWitryna1 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 … how to search for employees