High strain-rate compression tests on ice

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August undefined, 2024

WebNov 8, 2024 · 2.4 Triaxial Compression Testing. Strain-controlled drained triaxial compression tests were performed after individual hold periods (supporting information Table S1). The tests were carried out at axial strain rates 0.006, 0.06 and 0.6%/min, and at constant minor principal stresses of 0.25, 0.5, and 1.0 MPa. WebMar 7, 2024 · In this study, the dynamic impact laboratory tests were conducted for frozen sandy soil with various water contents (from 15% to 110%) and strain rates (from 450 s -1 to 728 s -1) based on the split Hopkinson pressure bar (SHPB) system.

An Experimental Study on the Dynamic Behavior of an Ultra High …

WebApr 12, 2024 · Materials for aerostructures require vigorous testing to ensure they can withstand the range of conditions an aircraft is exposed to. With areas such as static bending and free vibration response of materials for this application, including composite panels, having been widely investigated [1,2,3,4,5].A specific area of interest is the impact … WebThe SHPB was adapted to perform tests at high strain rates in the range 60 to 1400/s at test temperatures of -10 and -30 C. Experimental results showed that the strength of ice … chinese takeaway barnsley

Effect of strain rate on the mechanical properties of polycarbonate …

WebNano size pillars (<500 nm) show near universal scaling exponent of 1.50 ± 0.07 at all applied strain rates. The strain hardening rate and deformation … WebFeb 1, 2015 · A modified split Hopkinson bar is developed for sub-zero temperature testing. •. Dynamic strength of lake water ice and distilled water ice is measured. •. States of stress include uniaxial compression and combined compression and shear. •. Peak strength of ice is rate sensitive over the strain rate range 100–600/s. •. WebJan 20, 2024 · This type of tester has been used by Timco (1980) to document the compressive strength under a high loading rate of both carbamide-and saline-doped model ice over a limited range of scale factors, and by Nakajima and others (1981) in … chinese takeaway barnhill

A Fracture Study of Ice Under High Strain Rate Loading

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WebNov 4, 2024 · The SHPB test was used to characterize the injection- and compression-molded parts' high-strain rate mechanical properties. The experimental setup consists of three aluminum bars, namely the striker, ... The tests were carried with compression rates of 2.54, 127, and 254 mm/s, which correspond to strain rates of 0.01, 0.7, ... WebVeryst can test the tensile and compressive behavior of a wide variety of polymeric materials over strain rates ranging from 10-3 – 10 4 /s combining traditional test … grandview hospital trussville alWebJun 17, 2024 · Additionally, in some high strain rate studies on fiber-reinforced normal and high-strength concrete samples that had compressive strength values of 35–110 MPa, strain rates in the range of 10 to -700 s −1 were measured by using SHPB test setups [12,13,14,15,16,17]. In these experimental studies, the specimens having radii varying in … grand view hospital rehabilitation center

"WebIn addition to simple compression testing, testing standards such as ASTM C39, ASTM C109, ASTM C469, ASTM C1609 are among the test methods that can be followed to measure the mechanical properties of concrete. " - High strain-rate compression tests on ice

High strain-rate compression tests on ice

Frontiers Experimental investigation into rock burst proneness of ...

WebJul 8, 2024 · The fracture behavior and stress of ice at high strain rates can be determined by combining the SHPB method with high-speed camera observation. The split Hopkinson … WebApr 2, 2007 · The compressive strength of ice was measured at high strain rates of 103s−1 order of magnitude. Since ice compressive strength is known to be strongly dependent on strain rate,...

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WebFeb 12, 2011 · Ice strength will increase as strain rate rises up, until brittle failure occurs. Some investigations (Cole, 2001;Dutta, 1993; Jones, 2003) consider ice strength will … WebUniaxial compression tests on cylindrical polycrystalline ice specimens were made to determine the characteristics of the platens. For 21 specimens with ends prepared on a lapping plate to obtain a mirror finish, the measured strength showed a variation of only 13% for length-to-diameter ratios from 0.74 to 2.5, with no systematic trend.

WebMar 1, 2009 · In the present study, a modified split Hopkinson pressure bar (SHPB) is employed to investigate the dynamic response of ice under uniaxial compression in the range of strain rates from 60...

WebThe SHPB was adopted to perform elevated strain-rate tests at temperatures as low as -30oC. Experimental results showed that the strength of ice increases with increasing the strain rate. WebJan 25, 2011 · Abstract A range of mechanical compression tests were conducted on frozen soil samples at temperatures close to the melting point of ice to determine both the creep and the strength properties under triaxial stress conditions. The samples were obtained from two rock glaciers in the Swiss Alps.

WebHigh strain rate out-of-plane compression of birch plywood from ambient to cryogenic temperatures. L. Caetano, L. Caetano. Université de Bretagne Sud, Lorient F-56100, …

WebSep 1, 2004 · High strain rate compression tests were conducted with columnar ice grown in the laboratory. In addition to measuring stress and strain to failure at 2 strain rates, we … grandview hospital \u0026 medical centerWebJan 1, 2005 · The SHPB was adopted to perform elevated strain-rate tests at temperatures as low as -30 o C. Experimental results showed that the strength of ice increases with … chinese takeaway barton upon humberWebTo study the variation of rock burst proneness according to different strain rates, four strain rates (0.005, 0.01, 0.5, and 1.0 s −1) were considered based on the typical range of strain rate ε e associated with rock burst (Wasantha et al., 2015).The specific test plan is listed in Table 1.Moreover, to avoid the heterogeneity of the rock material (especially the layered … chinese takeaway barton under needwoodWebJul 8, 2024 · The fracture behavior and stress of ice at high strain rates can be determined by combining the SHPB method with high-speed camera observation. The split Hopkinson pressure bar (SHPB) method proposed by Kolsky [ 1, 2] is the most famous impact test to measure the deformation of materials under high strain rates. chinese takeaway batchley redditchWebMar 15, 2009 · Schulson (2001) has shown a dramatic increase in the compressive failure stress of polycrystalline ice – from 0.5 MPa at a strain rate of 10 −8 s −1 to 10 MPa at a … grandview hospital urologyWebProcedures have been refined for performing constant-strain-rate triaxial tests on ice samples. The equipment is designed such that the confining pressure/axial stress ratio remains constant. Sample axial displacements are measured inside the cell on the sample and outside the cell between the cell and the loading piston. grandview hospital ultrasoundWebJan 1, 2006 · The SHPB was adapted to perform tests at high strain rates in the range 60 to 1400/s at test temperatures of -10 and -30 C. Experimental results showed that the … grand view hospital sellersville pa careers