In this paper, the effects of macro-synthetic steel fibers and bidirectional carbon fiber-reinforced polymers (CFRPs) on impact resistance concrete specimens were studied. 54 cylindrical with different compressive strengths (20, 30, 40 MPa) fiber content ratios (0 %, 1 1.5 2 %) tested under loading. Half these CFRP wrapping. The subjected to weight (46.7 66.8 kg) dropping at a height 1.62 m. pr...

Particulate Al2O3 matrix nanocomposites containing 1 vol.%Ni were prepared by the heterogeneous precipitation method and addition of 5 vol.% ZrO2 (ANZ) or Cr2O3 (ANC). The samples subjected to low energy drop weight impact tests compare behaviour composites under investigate damage mechanisms. pure Al2O3, Al2O3/Ni, Al2O3/ZrO2 Al2O3/Cr2O3 compositions with same additive ratios also produced make...

The breakage index equation (BIE), or t10 model from drop weight testing (DWT) data for rocks and ores is used in the design of crushers mills. Such models are becoming increasingly difficult to visualize as number variables increases. so-called double fan BIE, combined with Swebrec distribution’s accurate description sieving curves, applied modelling drop-weight test fragmentation. key paramet...