Landfill Clay Barrier: Fibre Reinforcement Technique

Landfill Clay Barrier: Fibre Reinforcement Technique

Landfills come with a cover barrier which includes a compacted silty clay liner essential to safety on site. However this barrier encounters problems, especially those related to the differential settlement, which may cause stress in the clay layer leading to the development of cracks. Generally spe...

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Veröffentlicht in:Advanced materials research 2012-01, Vol.378-379, p.780-784
Hauptverfasser: AbuAisha, Murad S., Plé, Olivier, Ngoc Hà Lê, Thi
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Civil Engineering
Engineering Sciences
Mechanical engineering
Mechanics
Mechanics of materials
Physics
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container_title Advanced materials research
container_volume 378-379
creator AbuAisha, Murad S.
Plé, Olivier
Ngoc Hà Lê, Thi
description Landfills come with a cover barrier which includes a compacted silty clay liner essential to safety on site. However this barrier encounters problems, especially those related to the differential settlement, which may cause stress in the clay layer leading to the development of cracks. Generally speaking, tensile stress damage and shearing are observed on the cap cover. Due to the weak mechanical performance of the clay layer it was proposed to add polypropylene fibre reinforcement. Direct tensile tests and compression tests under low confinement were carried out on unreinforced and reinforced soils. An improvement in soil resistance and in the brittleness index of fibre-reinforced clay was characterised. The proposed solution, technically feasible, enabled an optimization of the thickness of the mineral barrier.
doi_str_mv 10.4028/www.scientific.net/AMR.378-379.780
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Engineering Sciences
Mechanical engineering
Mechanics
Mechanics of materials
Physics
title Landfill Clay Barrier: Fibre Reinforcement Technique
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