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Computational Science, Engineering & Technology Series
ISSN 1759-3158
CSETS: 39
COMPUTER ANALYSIS AND DESIGN OF MASONRY STRUCTURES
Edited by: J.W. Bull
Chapter 6

Concrete Block Masonry Prisms under Compressive Loads: Testing and Modelling

M.A. Ramalho1 and A. Taliercio2

1Department of Structural Engineering, University of Sao Paulo, Sao Carlos SP, Brazil
2Department of Civil and Environmental Engineering, Politecnico di Milano, Italy

Full Bibliographic Reference for this chapter
M.A. Ramalho, A. Taliercio, "Concrete Block Masonry Prisms under Compressive Loads: Testing and Modelling", in J.W. Bull, (Editor), "Computer Analysis and Design of Masonry Structures", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 6, pp 157-179, 2017.
Keywords: masonry, compression, testing, damage, finite elements.

Abstract
This chapter presents a comparison between the results of experimental and numerical analyses of concrete block prisms under compression loads. The main goal of this research is to simulate the nonlinear mechanical response of the prisms, based on the behaviour of blocks and mortar joints, using a numerical non-local damage model specifically developed for quasi-brittle materials. An experimental program, with simple compression tests with displacement control, was carried out to determine the damage parameters for the individual components to characterize the numerical model. Two- and three-block prisms were also tested in simple compression to obtain their complete load-displacement characteristics to failure. Despite the simplicity of the experimental procedure, the results show that the damage model employed is able to predict the strength of the prisms reasonably well and their behaviour in the softening regime.

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