Estimating the service life of jointing products and systems - application of a crack growth model to different climates

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Conference9th International Conference on Building Materials and Components: 17 March 2002, Brisbane, Australia
Pages111; # of pages: 11
Subjectclimate, crack growing models, damage functions, jointing systems, sealant, service life model; Durability and Service life
AbstractModels for service life estimation of jointing systems and products are potentially useful for comparisons among the relative performance of different products in specific systems, similar comparison of products in different climates, or for helping establish requirements for maintenance and refurbishment of building envelopes. Although generic methods for developing service life estimates exist in literature, no practical and verifiable models have yet been developed for jointing products. However, notional models for products have been proposed based on damage functions related to fatigue rupture and crack growth and provide a basis for further work. This paper reports on the use of a crack growth model to assess crack development over time when subjected to different types of climates. The effects of installation temperature and relative humidity on potential crack growth in joints located in various cities are considered. Estimates of expected service life are provided in relation to specific performance criteria.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number45362
NPARC number20386222
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Record identifier56cad7f5-06ed-4204-b24f-7536642b075d
Record created2012-07-25
Record modified2016-05-09
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