Conference Editor

Jianshun Zhang; Edward Bogucz; Cliff Davidson; Elizabeth Krietemeyer

Location

Syracuse, NY

Event Website

http://ibpc2018.org/

Start Date

24-9-2018 10:30 AM

End Date

24-9-2018 12:00 PM

Description

Water transport in masonry walls composed of bricks and mortar joints can be strongly affected by the interface between brick and mortar. In this study, water uptake experiments and numerical simulations are performed to study the effect of interface resistance on moisture transport in masonry samples with horizontal and vertical interfaces. Neutron radiography is used to measure moisture content distribution in different masonry samples. An interface resistance is introduced to consider the imperfect contact between brick and mortar in the numerical model. A good agreement between measured and simulated moisture contents is found for different masonry samples. The orientation, horizontal or vertical, of the interface between brick and mortar has no influence on the value of the interface resistance. However we found that the interface resistance is affected by capillary pressure at the interface. A lower capillary pressure at the interface leads to a larger interface resistance.

Comments

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DOI

https://doi.org/10.14305/ibpc.2018.be-2.06

Creative Commons License

Creative Commons Attribution-Noncommercial 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.

COinS
 
Sep 24th, 10:30 AM Sep 24th, 12:00 PM

Water uptake in masonry: effect of brick/mortar interface

Syracuse, NY

Water transport in masonry walls composed of bricks and mortar joints can be strongly affected by the interface between brick and mortar. In this study, water uptake experiments and numerical simulations are performed to study the effect of interface resistance on moisture transport in masonry samples with horizontal and vertical interfaces. Neutron radiography is used to measure moisture content distribution in different masonry samples. An interface resistance is introduced to consider the imperfect contact between brick and mortar in the numerical model. A good agreement between measured and simulated moisture contents is found for different masonry samples. The orientation, horizontal or vertical, of the interface between brick and mortar has no influence on the value of the interface resistance. However we found that the interface resistance is affected by capillary pressure at the interface. A lower capillary pressure at the interface leads to a larger interface resistance.

https://surface.syr.edu/ibpc/2018/BE2/6

 

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