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Experimental and Numerical Analysis of Flexible Polymer Connections for CLT Buildings

https://research.thinkwood.com/en/permalink/catalogue2057
Year of Publication
2018
Topic
Connections
Mechanical Properties
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Azinovic, Boris
Kramar, Miha
Pazlar, Tomaž
Gams, Matija
Kwiecien, Arkadiusz
Weckendorf, Jan
Sustersic, Iztok
Organization
Cracow University of Technology
Year of Publication
2018
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Connections
Mechanical Properties
Seismic
Keywords
Pull-Pull Tests
Cyclic Loading
Energy Dissipation
Glued-In Rods
Conference
World Conference on Timber Engineering
Research Status
Complete
Summary
This paper explores the possibility of using flexible adhesives to dissipate energy in CLT buildings during earthquakes. In the first series of tests, a rod glued in a CLT panel with flexible adhesive was investigated. The connection was tested in pull-pull configuration using cyclic, tension-only loading. Different rod diameters and different thicknesses of the glue layer were tested. The tests have shown that the adhesive can resist large deformations and exhibits fairly large energy dissipation capacity. Based on the test results the numerical analyses were performed to test the behaviour of the connection when applied in CLT buildings. Existing constitutive models available in OpenSees software were used to simulate the specific hysteretic behaviour of the connection. The results have shown that the CLT wall anchored with "flexible" glued-in rods would have a significant energy dissipation capacity if a sufficient number of them were used as the hold-down devices. Such system could be used to dissipate energy in seismic areas.
Online Access
Free
Resource Link
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Experimental Investigation of the Axial Strength of Glued-in Rods in Cross Laminated Timber

https://research.thinkwood.com/en/permalink/catalogue2230
Year of Publication
2018
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)

Glued-in Rods in Cross Laminated Timber – Numerical Simulations and Parametric Studies

https://research.thinkwood.com/en/permalink/catalogue2231
Year of Publication
2019
Topic
Connections
Mechanical Properties
Material
CLT (Cross-Laminated Timber)