Influence of polyester fiber on impact compressive characteristics of permeable asphalt concrete

Wu Jinrong; Ma Qinyong

doi:10.11883/1001-1455(2016)02-0279-06

Volume 36 Issue 2

Oct. 2018

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Wu Jinrong, Ma Qinyong. Influence of polyester fiber on impact compressive characteristics of permeable asphalt concrete[J]. Explosion And Shock Waves, 2016, 36(2): 279-284. doi: 10.11883/1001-1455(2016)02-0279-06

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Wu Jinrong, Ma Qinyong. Influence of polyester fiber on impact compressive characteristics of permeable asphalt concrete[J]. Explosion And Shock Waves, 2016, 36(2): 279-284. doi: 10.11883/1001-1455(2016)02-0279-06

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Influence of polyester fiber on impact compressive characteristics of permeable asphalt concrete

doi: 10.11883/1001-1455(2016)02-0279-06

MOE Research Center of Mine Underground Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China

Received Date: 2014-08-13
Rev Recd Date: 2014-11-10
Publish Date: 2016-03-25

Abstract

Abstract

In order to investigate the influence of polyester fiber on impact characteristics of permeable asphalt concrete, ∅74 mm steel SHPB apparatus is adopted to conduct impact compressive test with various strain rates and different polyester fiber contents. The results of specimens under static condition and dynamic conditions with four strain rates show that the permeable polyester fiber asphalt concrete is a material sensitive to the change of the strain rate and exhibits a significant strain rate effect. It has good ductility and dynamic stress-strain curve that is characterized by three stages: Elastic deformation, plastic deformation and failure. When the strain rate remains the same, the impact compressive strength of permeable asphalt concrete first increases and then declines with the increase of the polyester fiber content. At this time it shows an optimum polyester fiber content of 0.40% and its impact compressive strength reaches its maximum. The impact compressive strength is about 8-13 times as large as the static compressive strength.
- solid mechanics,
- impact compressive characteristics,
- compressive strength,
- strain rate effect,
- SHPB,
- polyester fiber,
- permeable asphalt concrete

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References(18)

References

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