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Testing a Wood-Concrete Composite Bridge

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Combining wood and concrete to form a composite structure for bridges was studied in the US as early as the 1930s. In Europe, however, this approach was not actively explored until the 1980s. The connection between the two materials in a wood-concrete composite system is of vital importance. A new type of connector has been developed, a steel reinforcing bar set with adhesive into holes drilled at an angle into a laminated (glulam) wooden beam. Three bridges using this system were constructed in Finland from 1992 to 1995. The behaviour of one of the three Finnish bridges was investigated in a field test. The tested wood-concrete composite bridge has confirmed that the new type of connectors are suitable for composite structures.

Keywords: Concrete slabs; Load testing; Shear connectors; Uusisalmi Bridge (Finland); Wood-concrete composite bridges; Wooden beams

Document Type: Research Article


Publication date: November 1, 1997

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    Structural Engineering International (SEI), the quarterly Journal of IABSE, published since 1991, is the leading international journal of structural engineering dealing with all types of structures and materials. SEI offers its readers a unique blend of short profiles on recent structures, and longer, in-depth technical articles on research, development, design, construction and maintenance. Articles are written by practicing engineers and academia from around the world and reflect the high standards of IABSE. IABSE Peer Review stamps are given to papers that have passed through a highly selective review process and demonstrate a significant contribution to the state of structural engineering knowledge.To recognise contributions of the highest quality, an Outstanding Paper Award is presented each year.

    SEI is printed in Switzerland; ISSN 1016-8664; E-ISSN 1683-0350
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