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Performance Based Tests on Cross Laminated Timber - Concrete Composite Floor Panels

https://research.thinkwood.com/en/permalink/catalogue1423
Year of Publication
2017
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Timber-Concrete Composite
Application
Floors

Structural Tests of Concrete Composite-Cross-Laminated Timber Floors

https://research.thinkwood.com/en/permalink/catalogue2830
Year of Publication
2017
Topic
Connections
Mechanical Properties
Serviceability
Material
CLT (Cross-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Decking
Author
Higgins, Christopher
Barbosa, R. Andre
Blank, Curtis
Organization
Oregon State University
Publisher
Oregon State University
Year of Publication
2017
Format
Report
Material
CLT (Cross-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Decking
Topic
Connections
Mechanical Properties
Serviceability
Keywords
Bending Behaviour
Shear Connection
Long-term Behaviour
TCC
Orthrotropic Plates
Research Status
Complete
Summary
Experimental tests of a composite concrete-cross-laminated timber (CLT) floor system were conducted. The floor system was constructed with 5-ply CLT panels (6.75 in. thick) made composite with a 2.25 in. thick reinforced concrete topping slab. Four series of tests were performed using different specimen configurations and laboratory testing methods. Tests included: (1) Comparative one-way bending tests (CB) to evaluate the performance of alternative shear connectors used to join the concrete slab to the CLT panel; (2) Orthotropic stiffness and strength tests (OS) to evaluate the elastic orthotropic stiffness of the deck system and provide strength results for weak-axis bending and negative moment strength; (3) Full-scale system performance tests (FS) of a continuous floor span to establish strength at realistic span lengths and the influence of continuity; and (4) Long-term deformation tests (LT) to investigate creep deflections of the composite concrete-CLT floor system considering positive and negative bending influences. Results include overall strength, elastic stiffness values, deformation capacity, slip deformations along the concrete-CLT interface, predicted neutral axis locations in the composite concrete-CLT systems, and connection deformations.
Online Access
Free
Resource Link
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