A Method to Characterize Biological Degradation of Mass Timber Connections

Wood and Fiber Science

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Field Value
 
Title A Method to Characterize Biological Degradation of Mass Timber Connections
 
Creator Sinha, Arijit
Udele, Kenneth E.
Cappellazzi, Jed
Morrell, Jeff J
 
Subject bilogical durability; connections; mass timber; fungi
Biological Durability; Fungi; CLT Connections; connection strength
30.300;10.600
 
Description Biological durability issues in cross-laminated timber (CLT) have been majorly ignored in North America because of the European origin of the material and careful construction practices in Europe.  However, the risks of fungal and insect attacks are increased by the North American climatic conditions and lack of job-site measures to keep the material dry. The methods to evaluate durability in solid timber are inadequate for use in mass timber (MT) for a number of reasons, such as moisture variation and size being critical issues. This study therefore proposes a method, which is suitable to evaluate the strength of MT assemblies that are exposed to fungal degradation. The objective of the study was to explore a controlled method for assessing the effects of wetting and subsequent fungal attack on the behavior of CLT connections. Two different methods were used to create fungal attack on CLT assemblies. Although they were both successful, one was cumbersome, left room for many errors, and was not as efficient as the other. In addition, a standardized method to evaluate and characterize key performance metric for the connections is presented. 
 
Publisher Wood and Fiber Science
 
Contributor USDA NIFA AFRI
 
Date 2020-10-28
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://wfs.swst.org/index.php/wfs/article/view/2983
 
Source Wood and Fiber Science; Vol 52, No 4 (2020); 419-430
0735-6161
0735-6161
 
Language eng
 
Relation http://wfs.swst.org/index.php/wfs/article/view/2983/2603
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2983/1743
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2983/1744
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2983/1745
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2983/1746
 
Rights Copyright (c) 2020 Wood and Fiber Science
 

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