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Appl. Sci. 2016, 6(5), 146; doi:10.3390/app6050146

Tests and Analysis of the Compressive Performance of an Integrated Masonry Structure of a Brick-Stem-Insulating Layer

1
College of Architecture and Civil Engineering, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China
2
University of Architectural Engineering, North China University of science and technology, No. 46, Xinghua West street, Tangshan 063009, China
3
Institute of engineering mechanics, China Earthquake Administration, The North Ring Road, YanjiaoDistrict, Langfang 150080, China
4
Academy of Railway Sciences, Scientific & Technological Information Research Institute, No. 2 Daliushu Road, Haidian District, Beijing 100081, China
*
Author to whom correspondence should be addressed.
Academic Editor: Dimitrios G. Aggelis
Received: 29 February 2016 / Revised: 27 April 2016 / Accepted: 6 May 2016 / Published: 11 May 2016
View Full-Text   |   Download PDF [5423 KB, uploaded 11 May 2016]   |  

Abstract

This paper proposes, for low buildings, an integrated wall structure of a brick-stem-insulating layer, which plays a major part in both heat preservation and force bearing. The research team has tested the thermal performance of the structure, the results of which are satisfying. To further study the force-bearing performance, the paper carries out compressive tests of specimens of different structural design, with two types of bricks, i.e., clay and recycled concrete bricks; three types of stems, i.e., square-shaped wood, square-shaped steel pipe and circular steel pipe; and one type of insulating layer, i.e., fly ash masonry blocks. Afterward, the force bearing performance, damage that occurred, compressive deformation and ductility of all of the specimens are compared. On the sideline, the structure is applied in the construction of a pilot residence project, yielding favorable outcomes. The results indicate that in comparison with a brick wall with an insulating layer sandwiched in between, the integrated wall structure of bricks and fly ash blocks is a more preferable choice in terms of compressive performance and ductility. The integrated wall structure of brick-stem-fly ash blocks delivers much better performance to this end. Note that regarding the stem’s contribution to compressive strength, circular steel pipe is highest, followed by square-shaped steel pipe and then square-shaped wood. The compressive performance of the sandwiched blocks surpasses that of the two brick wall pieces combined by a large margin. View Full-Text
Keywords: clay bricks; recycled bricks; stem; insulating layer; integrated wall structure; compressive test clay bricks; recycled bricks; stem; insulating layer; integrated wall structure; compressive test
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

Jia, S.; Liu, Y.; Cao, W.; Zhou, Z.; Zhang, Y. Tests and Analysis of the Compressive Performance of an Integrated Masonry Structure of a Brick-Stem-Insulating Layer. Appl. Sci. 2016, 6, 146.

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