1. Experimental tests on GFRP truss modules for dismountable bridges
- Author
-
Pfeil, M.S., Teixeira, A.M.A.J., and Battista, R.C.
- Subjects
- *
GLASS fibers , *FIBER-reinforced plastics , *TRUSSES , *BRIDGES , *MECHANICAL buckling , *STRENGTH of materials , *STRUCTURAL analysis (Engineering) ,GIRDER testing - Abstract
Abstract: This paper focus on the design of a GFRP truss-like structure for dismountable bridges with maximum span of 30m. The bridge structure is composed of a deck supported by prestressed trussed beams which are mounted by assembling GFRP tubular profiles and steel joints with bearing type connections. Experimental tests were carried out on short profiles to determine their compressive strength at the connections and on two 1:2.3 reduced models of the trussed beam structure: a short 1.3m span cantilever beam and a 13.0m span simple supported beam. The main results obtained from the performed experimental tests on short profiles and on the cantilever beam are presented herein. It is shown that a non-linear behaviour can be generated on the trussed cantilever beam by decompression of tubular members and that collapses are induced by buckling of diagonal members. [Copyright &y& Elsevier]
- Published
- 2009
- Full Text
- View/download PDF