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Materials 2015, 8(12), 8731-8744; doi:10.3390/ma8125489

Experimental Characteristics of Dry Stack Masonry under Compression and Shear Loading

1
Shenzhen Engineering Lab for Wind Environment and Technology, Shenzhen Key Lab of Urban & Civil Engineering Disaster Prevention & Reduction, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China
2
Centre for Infrastructure Performance and Reliability, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
3
Bridge and Tunnel Division, Parsons Corporation, New York, NY 10005, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Jorge de Brito
Received: 11 October 2015 / Revised: 6 December 2015 / Accepted: 8 December 2015 / Published: 12 December 2015
(This article belongs to the Section Structure Analysis and Characterization)
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Abstract

The behavior of dry stack masonry (DSM) is influenced by the interaction of the infill with the frame (especially the joints between bricks), which requires further research. This study investigates the compression and shear behaviors of DSM. First, a series of compression tests were carried out on both masonry prism with mortar (MP_m) and DSM prism (MP_ds). The failure mode of each prism was determined. Different from the MP_m, the stress-strain relationship of the MP_ds was characterized by an upward concavity at the initial stage. The compression strength of the MP_ds was slightly reduced by 15%, while the elastic modulus was reduced by over 62%. In addition, 36 shear-compression tests were carried out under cyclic loads to emphasize the influence of various loads on the shear-compression behavior of DSM. The results showed that the Mohr-Coulomb friction law adequately represents the failure of dry joints at moderate stress levels, and the varying friction coefficients under different load amplitudes cannot be neglected. The experimental setup and results are valuable for further research. View Full-Text
Keywords: dry stack masonry; uniaxial compression behavior; shear-compression behavior; Mohr-Coulomb criterion; experiment dry stack masonry; uniaxial compression behavior; shear-compression behavior; Mohr-Coulomb criterion; experiment
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lin, K.; Totoev, Y.Z.; Liu, H.; Wei, C. Experimental Characteristics of Dry Stack Masonry under Compression and Shear Loading. Materials 2015, 8, 8731-8744.

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