Impact compressive response of dry sand
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%, … 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. …
Impact compressive response of dry sand
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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 … Witryna1 lis 2012 · In a uniaxial test a sample of sand is compressed axially while lateral strains are prohibited. There are three main mechanisms governing response of sand in uniaxial compression: (1) elastic compression of individual sand grains; (2) slippage and rearrangement of grains; (3) grain crushing.
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 … 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 …
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%, 8%, 10% and 12% and relative densities of 0.1, 0.5 and 0.9 were prepared. The variation in the strain rate was controlled between 90 s -1 and … 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...
Witryna4 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 …
Witryna28 lip 2024 · The research presented in this manuscript aims to extend the work conducted in [ 39] by systematically investigating the influence of moisture content, … embellished defWitryna22 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. embellished definedWitryna13 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 … embellished dark source of unending creationWitryna26 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. embellished cropped cardiganWitryna1 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 … ford wss-m2c936-aWitrynaOne-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. embellished denim jacket topshopWitryna31 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 embellished cold shoulder top