DECAY SUSCEPTIBILITY OF RAIN EXPOSED WOOD JOINTS – COMPARISON OF TWO DECAY MODELS
Author(s): Fredriksson, M., Wadsö, L. and Johansson, P.
Paper category: Conference
Book title: XIII International Conference on Durability of Building Materials and Components - XIII DBMC
Editor(s): Marco Quattrone, Vanderley M. John
Print ISBN: none
Publication year: 2015
Total Pages: 8
Abstract: Wood is susceptible to decay if it is exposed to high moisture contents and certain temperatures during long periods of time. In rain exposed structures, decay often starts close to joints since the joints can act as water traps where water stays after rain events. Service life prediction models for outdoor wood structures require knowledge about the moisture and temperature conditions in the wood as well as models that describe the degradation under these conditions. Recently, several models that describe decay of wood structures have been presented. In the present study, the results from two of these decay models from literature were compared. Moisture content data from a previous study where moisture content profiles were monitored in joints of different designs were used as input data in the models. In general, both models identified the same points as critical points in terms of high decay susceptibility. However, the models gave somewhat different results in points where drying
occurred between the watering periods.
Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00