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Appl. Sci. 2016, 6(9), 245; doi:10.3390/app6090245

Experimental and Numerical Analysis of the Compressive and Shear Behavior for a New Type of Self-Insulating Concrete Masonry System

Key Laboratory of RC & PC Structures of Ministry of Education, Southeast University, Nanjing 210096, China
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Academic Editor: Stefano Invernizzi
Received: 21 June 2016 / Revised: 18 August 2016 / Accepted: 19 August 2016 / Published: 30 August 2016
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Abstract

The developed study aimed at investigating the mechanical behavior of a new type of self-insulating concrete masonry unit (SCMU). A total of 12 full-grouted wall assemblages were prepared and tested for compression and shear strength. In addition, different axial stress ratios were used in shear tests. Furthermore, numerical models were developed to predict the behavior of grouted specimens using simplified micro-modeling technique. The mortar joints were modeled with zero thickness and their behavior was applied using the traction–separation model of the cohesive element. The experimental results revealed that the shear resistance increases as the level of precompression increases. A good agreement between the experimental results and numerical models was observed. It was concluded that the proposed models can be used to deduct the general behavior of grouted specimens. View Full-Text
Keywords: self-insulating concrete masonry units; masonry assemblage; compression test; shear test; micro modeling; cohesive surface-based behavior; full grouted masonry self-insulating concrete masonry units; masonry assemblage; compression test; shear test; micro modeling; cohesive surface-based behavior; full grouted masonry
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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

Abdelmoneim Elamin Mohamad, A.-B.; Chen, Z. Experimental and Numerical Analysis of the Compressive and Shear Behavior for a New Type of Self-Insulating Concrete Masonry System. Appl. Sci. 2016, 6, 245.

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