brick masonry water content graph

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Sandberg
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brick masonry water content graph

Post by Sandberg » Mon May 23, 2022 2:20 am -1100

Hello,
i am modelling a brick masonry with unvetilated cavity and insulated timber frame. The graph of the water content of the brick masonry shows unusual spikes (from 30 to 90 kg/m3) in a very short time and at regular intervals which would be very little justifiable by the climate only. I am using a watehr file generated with Meteonorm. Can you please let me know if this is a common outcome and if not how to correct this anomaly?
brick graph .png
brick graph .png (20.63 KiB) Viewed 72 times

Christian Bludau
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Re: brick masonry water content graph

Post by Christian Bludau » Wed May 25, 2022 3:31 am -1100

Hi,
the spikes are related to rain events. That is the typical behavior of a brick masonry with a high a-value.
Have a look in the film (Animation 1D or WUFIMotion2D). There you can see how the water gets distributed when a rain event occurs.
Christian

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