8. Appendices

Appendix A: Liberty Pultrusions Technical Data

Table A.1: Liberty Pultrusions Technical Data [29]

PropertyTest MethodConditionUnitsValue
Ultimate tensile strengthASTM D-638RTMpa (ksi)483 (70)
Flexural strengthASTM D-790RTMpa (ksi)483 (70)
100°C (212°F)Mpa (ksi)172 (24)
140°C (302°F)Mpa (ksi)103 (14)
Flexural modulus of elasticityASTM D-790RTMpa (psi)2.07 x 104 (3.0 x 106)
100°C (212°F)Mpa (psi)1.38 x 104 (2.0 x 106)
140°C (302°F)Mpa (psi)1.03 x 104 (1.4 x 106)
Impact strengthASTM D-246RTkN-m/m notch (ft-lb/in notch)1.6 (30)
Compressive strength
Flatwise
Lengthwise
ASTM D-694
RT
RT

Mpa (ksi)
Mpa (ksi)

138 (20)
276 (40)
Thermal coefficient of expansionASTM D-696 mm/mm/°C (in/in/°F)1.67 x 10-6 (3 x 10-6)
Thermal conductivity  W/m2/°C (BTU/hr/ft2/in/°F)0.2 (4)
Specific gravityASTM D-792  1.94
Water absorptionASTM D-34924 hrs%0.3

Acknowledgements | Disclaimer | Abstract

MPC Report No. 05-173
Composite Repair of Full-Scale Timber Bridge Chord Members through the Process of Shear Spiking

Travis A. Burgers
Richard M. Gutkowski
Donald W. Radford
Jeno Balogh

December 2005


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