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Behavior of adhesively bonded engineered wood – wood chip concrete composite decks : experimental and analytical studiesFu, Qiuni ...In this study, epoxy and polyurethane (PUR) were used to glue five medium-sized (i.e. length of 2300 mm and width of 215 mm) engineered timber-concrete composite decks to investigate their composite ... action and flexural behavior under four-point bending tests. Cross laminated timber (CLT), laminated veneer lumber (LVL), plain concrete (PC) and an innovative type of wood chip concrete (WCC) were used. The five specimens were WCC-Epoxy-LVL, WCC-PUR-LVL, WCC-Epoxy-CLT, WCC-PUR-CLT and PC-Epoxy-LVL. All the specimens showed linear load-deformation responses approaching the final failure. Ultimately, all the decks failed by either compressive crushing of concrete or wood parts, rather than the debonding at the wood-concrete interface, indicating a good composite action of the timber-concrete composite decks. Compared with the specimens made of PC, the flexural stiffness and load-carrying capacity of the specimens made of WCC reduced by around 20%. Nevertheless, the thermal conductivity of WCC could be reduced by 30%, interpolated from the chart in an independent study. Lastly, the authors analytically predicted the effective bending stiffness and mid-span deflection for each specimen, considering the shear flexibility of transvers layers (stressed perpendicular to fiber direction) in engineered wood as partial composite action and assuming a perfectly rigid bond at wood-concrete interface.Source: Construction & building materials. - ISSN 0950-0618 (Vol. 247, art. 118578, 2020, str. 1-10)Type of material - article, component part ; adult, seriousPublish date - 2020Language - englishCOBISS.SI-ID - 150807043
Author
Fu, Qiuni |
Yan, Libo |
Ning, Ting |
Wang, Bo, kemik |
Kasal, Bohumil
Topics
wood chip concrete |
engineered timber |
timber-concrete composites |
adhesives
source: Construction & building materials. - ISSN 0950-0618 (Vol. 247, art. 118578, 2020, str. 1-10)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Fu, Qiuni | |
Yan, Libo | |
Ning, Ting | |
Wang, Bo, kemik | |
Kasal, Bohumil | 50807 |
Source: Personal bibliographies
and: SICRIS
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