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2015 Impact Factor: 0.519 ©2015 Thomson Reuters, 2015 Journal Citation Report®

ISSN 1822-427X print
ISSN 1822-4288 online



"The Baltic Journal of Road and Bridge Engineering"
Vilnius: Technika, 2008, Vol III, No 3, p. 129-136.

Dmitrijs Serdjuks, Kārlis Rocēns, Leonīds Pakrastiņš

Hybrid Composite Cable with an Increased Specific Strength for Tensioned Structures

DOI: 10.3846/1822-427X.2008.3.129-136
High-strength hybrid composite cables with large specific strength on the basis of such materials as carbon fibre reinforced plastics (CFRP), glass fibre reinforced plastics (GFRP) and Vectran, are widely used in constructional practice. But using a steel component enables to increase small relative elongation, decrease brittleness and expand area of application of high-strength hybrid composite cables. Steel was investigated in combination with such materials as CFRP, GFRP, and Vectran. The behaviour of hybrid composite cable was investigated analytically and by experiment. Hybrid composite cables with the increased specific strength were considered as materials of several cable groups for a prestressed saddle-shaped cable roof with dimensions 50×50 m. The opportunity to decrease the displacements of composite saddle-shaped cable roof by using cable trusses, made from the hybrid composite cable with the increased specific strength was investigated. Rational geometric characteristics of the cable truss were determined by the numerical experiment.

It was shown that using hybrid composite cable enables to increase its specific strength up to 2.4 times. Rational components for composite cable with an increased specific strength were chosen by the numerical experiment.
Keywords: hybrid composite cable, rational components, saddle-shaped roof, cable truss, max vertical displacements, effectiveness of cable net materials.

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