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Long-Term Deflection of Timber-Concrete Composite Beams in Cyclic Humidity Conditions in Bending
A laboratory investigation to determine the long-term behaviour of timber-concrete composite (TCC) beams was started from August 2010 at the University of Technology, Sydney. The test was conducted on four six-meter-span TCC beams; this paper reports the results to-date for only two beams. The materials used are laminated veneer lumber (LVL) for the joists and 32 MPa concrete for the flanges. From the start of the test (August 2010), the specimens have been under sustained loads of (1.7kPa) whilst the environmental conditions have been cyclically alternated between normal and very humid conditions (typical cycle duration is six to eight weeks) and the temperature remains quasi constant (22 °C). During the test, the mid-span deflection, moisture content of the timber beams and relative humidity of the air are continuously monitored. The investigation is still continuing and this paper reports the results of the experimental investigation for the last two and half years.
Long-Term Deflection of Timber-Concrete Composite Beams in Cyclic Humidity Conditions in Bending
A laboratory investigation to determine the long-term behaviour of timber-concrete composite (TCC) beams was started from August 2010 at the University of Technology, Sydney. The test was conducted on four six-meter-span TCC beams; this paper reports the results to-date for only two beams. The materials used are laminated veneer lumber (LVL) for the joists and 32 MPa concrete for the flanges. From the start of the test (August 2010), the specimens have been under sustained loads of (1.7kPa) whilst the environmental conditions have been cyclically alternated between normal and very humid conditions (typical cycle duration is six to eight weeks) and the temperature remains quasi constant (22 °C). During the test, the mid-span deflection, moisture content of the timber beams and relative humidity of the air are continuously monitored. The investigation is still continuing and this paper reports the results of the experimental investigation for the last two and half years.
Long-Term Deflection of Timber-Concrete Composite Beams in Cyclic Humidity Conditions in Bending
Hailu, M. (author) / Shrestha, R. (author) / Crews, K. (author)
International Conference on Composite Construction in Steel and Concrete 2013 ; 2013 ; North Queensland, Australia
2016-02-18
Conference paper
Electronic Resource
English
Long-Term Deflection of Timber-Concrete Composite Beams in Cyclic Humidity Conditions in Bending
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