Impact compressive response of dry sand
Witryna1 kwi 2010 · The results show that the compressive response of the fine sand is not sensitive to strain rate under the loading conditions in this study, but significantly … 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.
Impact compressive response of dry sand
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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. 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 …
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 … 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.
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 … Witryna1 lut 2024 · Based on the mesoscopic numerical model, the dynamic response of dry sand at the mesoscopic scale is firstly analyzed in detail and is then validated against …
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 …
WitrynaImpact compressive response of dry sand. A split Hopkinson pressure bar (SHPB) was properly modified to obtain dynamic compressive stress–strain curves of dry … csu long beach ssoWitrynaThe results moisture content, initial density and lateral confinement showed that the compressive response of the dry sand is which are varied systematically. The sand becomes not strain rate sensitive under the loading conditions in stiffer if initial density or confinement pressure the study considered by Song et al. (2009) whereas it increases. early voting in crawford county ksWitryna1 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... csu long beach student health planWitryna1 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 … early voting in conway arkansasWitryna13 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 … early voting in coryell county 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 … early voting in crosby texasWitryna1 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 … csu long beach student organizations