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Development of Shrinkage Resistant Microfibre-reinforced Cement-based Composites by P. Hamedanimojarrad; G. Adam; A. Ray; P. Thomas; K. Vessalas is a Engineering article available to read on EtoBox.

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## Abstract Different shrinkage types may cause serious durability dilemma on restrained concrete parts due to crack formation and propagation. Several classes of fibres are used by concrete industry in order to reduce crack size and crack number. In previous studies, most of these fibre types were found to be effective in reducing the number and sizes of the cracks, but not in shrinkage strain reduction. This study deals with the influence of a newly introduced type of polyethylene fibre on drying shrinkage reduction. The novel fibre is a polyethylene microfibre in a new geometry, which is proved to reduce the amount of total shrinkage in mortars. This special hydrophobic polyethylene microfibre also reduces moisture loss of mortar samples. The experimental results on short and long-term drying shrinkage as well as on several other properties are reported. The hydrophobic polyethylene microfibre showed promising improvement in shrinkage reduction even at very low concentrations (0.1% of cement weight).

Who reads Development of Shrinkage Resistant Microfibre-reinforced Cement-based Composites?

Author

P. Hamedanimojarrad; G. Adam; A. Ray; P. Thomas; K. Vessalas

Publisher

Walter de Gruyter GmbH

Published

2012

Language

EN

Field

Engineering (Physical Sciences)