Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Testing Joints between Walls Made of AAC Masonry Units

Version 1 : Received: 16 December 2019 / Approved: 17 December 2019 / Online: 17 December 2019 (10:46:57 CET)

A peer-reviewed article of this Preprint also exists.

Jasiński, R.; Galman, I. Testing Joints between Walls Made of AAC Masonry Units. Buildings 2020, 10, 69. Jasiński, R.; Galman, I. Testing Joints between Walls Made of AAC Masonry Units. Buildings 2020, 10, 69.


Joints between walls are very important for structural analysis of each masonry building at the global and local level. This issue was often neglected in case of traditional joints and relatively squat walls. Nowadays the issue of wall joints is becoming particularly important due to the continuous strive for simplifying structures, introducing new technologies and materials. Eurocode 6 and other standards (USA, Canadian, Chinese, and Japanese) recommend inspecting joints between walls, but no detail 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 masonry bond (6 models), traditional steel and modified connectors (12 models). A shape and size of test models and structure of a test stand were determined on the basis of the analysis of the current knowledge, pilot studies and numerical analyses of FEM. The analysis referred to the morphology and failure mechanism of models. Load-displacement relationships for different types of joints were compared and obtained results were referred to results for reference models. A mechanism of cracking and failure was found to vary, and clear differences in behaviour and load capacity of each type of joints were observed. Individual working phases of joints were determined and defined, and the empirical approach was suggested to determine forces and displacement of wall joints.


masonry structures; stiffening walls; wall joints; connectors; bed joint reinforcement


Engineering, Civil Engineering

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