Advances in Civil Engineering / 2020 / Article / Tab 8

Research Article

Effect of Polyester Fiber on Air Voids and Low-Temperature Crack Resistance of Permeable Asphalt Mixture

Table 8

Bending testing results at low temperature.

Fiber content (%)Asphalt content (%)Air voids (%)Flexural tensile strength (MPa)Maximum flexure tensile strain (με)Flexural stiffness modulus (MPa)
Single valueAverage valueSingle valueAverage valueSingle valueAverage value

04.9519.72.34 (−)3.571785 (−)15751311 (−)2273
3.6015752286
3.8715232542
3.2416821991

0.35.019.45.195.023045 (−)253817041896
4.9325731916
5.0624152095
4.9126251870

0.355.0519.36.025.873203330818801777
5.8435181660
5.7030981840
5.9034131729

0.45.119.16.826.664043417416871594
8.19 (−)41481975 (−)
6.8443051589
6.3242001505

0.455.1519.64.604.482258201420382121
4.6117562625
4.3318902291
4.3821532035

0.55.219.74.264.242100226620291886
4.3725531712
3.9523631672
4.3620482129

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