Research Article

Evaluating the Resistance Performance of the VAEPC and the PAFRC Composites against a Low-Velocity Impact in Varying Temperature

Table 1

Mix design conditions and experiment contents.

SectionFactorsLevels

Mix design conditionsPAFRCFiber dosage (%)0, 1.0
Fiber content (kg/m3)0, 13
VAEPCDisplacement ratio (%)0, 10
Displacement content (kg/m3)0, 61
W/C (%)Plain mortar (PM), VAEPC: 40.0; PAFRC: 44.0
C : S1 : 2
P/C: polymer-cement ratio (%)10
Target average compressive strengths at 28 age (MPa)40
Experiment contentsHardened stateCompressive and flexural strength (MPa): 28 days
Low-velocity impact testsTemperature conditions: −70, 70, and 140°C