The influence of weave on woven fabric tear strength is analysed in this paper. Brierlay's factor F-m, Milasius' factor P and P' and modification of parameter P made by the authors (P'(weft)) were used in the investigations presented. Woven fabrics of 100% viscose multifilament yarn manufactured from the same yarns and with the same density but with seven different weaves (plain weave, weft rib 2/2, warp rib 2/2, twill 2/2, twill 3/1, basket weave 2/2 and 4 healds sateen) were used for the investigations. It was stated that the well-known weave parameters of Brierley F-m and Milasius P and P' cannot be used for the prediction of the tear strength of all kinds of weaves without any limitations. All parameters presented can be used for the strength prediction of a weave when they are divided into two groups - a rib-based group and twill-based group. Prediction of the tear strength for rib-based weaves in the weft has to be carried out using parameter P'weft, where the influence of parameters P-1 and P-2 is varied.
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