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Article

Testing Joints between Walls Made of AAC Masonry Units

1
Department of Building Structures, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland
2
Department of Structural Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Buildings 2020, 10(4), 69; https://doi.org/10.3390/buildings10040069
Received: 15 December 2019 / Revised: 25 March 2020 / Accepted: 30 March 2020 / Published: 2 April 2020
(This article belongs to the Special Issue Architecture and Engineering: the Challenges - Trends - Achievements)
Joints between walls are very important for structural analysis of each masonry building at the global and local level. This issue has often been neglected in the case of traditional joints and relatively squat walls. At present, the issue of wall joints is becoming particularly important due to the continuous drive for simplifying structures, introducing new technologies and materials. Eurocode 6 and other standards (American, Canadian, Chinese, and Japanese) recommend inspecting joints between walls, but no detailed procedures have been specified. This paper presents our own tests on joints between walls made of autoclaved aerated concrete (AAC) masonry units. Tests included reference models composed of two wall panels joined perpendicularly with a standard masonry bond (six models), with classic steel and modified connectors (twelve models). The shape and size of test models and the structure of a test stand were determined on the basis of the analysis of the current knowledge, pilot studies and numerical FEM (Finite Element Method) - based analyses. The analyses referred to the morphology and failure mechanism of models. Load-displacement relationships for different types of joints were compared and obtained results were related to results for reference models. The mechanisms of cracking and failure was found to vary, and clear differences in the behaviour and load capacity of each type of joint were observed. The individual working phases of joints were determined and defined, and an empirical approach was proposed for the determination of forces and displacement of wall joints. View Full-Text
Keywords: masonry structures; stiffening walls; wall joints; connectors; bed joint reinforcement masonry structures; stiffening walls; wall joints; connectors; bed joint reinforcement
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MDPI and ACS Style

Jasiński, R.; Galman, I. Testing Joints between Walls Made of AAC Masonry Units. Buildings 2020, 10, 69. https://doi.org/10.3390/buildings10040069

AMA Style

Jasiński R, Galman I. Testing Joints between Walls Made of AAC Masonry Units. Buildings. 2020; 10(4):69. https://doi.org/10.3390/buildings10040069

Chicago/Turabian Style

Jasiński, Radosław, and Iwona Galman. 2020. "Testing Joints between Walls Made of AAC Masonry Units" Buildings 10, no. 4: 69. https://doi.org/10.3390/buildings10040069

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