Revista de Ciência e Engenharia Têxtil

Mechanical Property Measurement and Prediction Using Hirschs Model for Glass Yarn Reinforced Polyethylene Composite Fabric Formwork

Abstract

Jun Xiong and Mashiur R

The purpose of this research was to assess the effectiveness of two methods of reinforcing glass yarns, stitching and laminating methods, in a woven (1/1) polyethylene (PE) geotextile fabric used for fabric formwork. Both reinforcement methods improved the tensile properties when the holding load is within the combined breaking load of reinforced glass yarns. However, reinforcing by stitching method provided better tensile properties than the laminating method in respect to creep. The stitched specimens (S-1000 N) and (S-500 N) generated 7.04 mm and 0.53 mm creep respectively compared to the laminated specimens that has produced 7.56 mm (L-1000 N) and 3.11 mm (L- 500 N). A Hirsch’s model (combined effect of parallel model and series model) was used to predict the modulus of PE + glass yarn composite fabric for stitching method based on the 500 N holding load data. This modulus can be used to calculate the number of glass yarns that should be used in composite for a specific dimension of fabric formwork