Assimilation Of Porosity In Modern Bricks By
Computational Means
Author(s)
M. A. Stefanidou
Abstract
The study of porosity in building materials is important as porosity is connected
to macroscopic mechanical and physical properties which influence the structure
behaviour.
A world-wide, simple, quick and low-cost method of recording porosity is
through water absorption (RILEM CPC11.3). However, in the case of bricks
there is a main disadvantage to using the above mentioned method. The clay
material absorbs water and the results are altered. In that case another liquid
(maybe an organic solvent) is usually used. This method though, is loosing its
creditability and no comparisons can be made with other building materials
which are in co-operation with bricks.
Alternatively, in the present work, microscopic analysis through
computational means using image analysis is used in order to record porosity in
bricks of modern technology. These porosity values are statistically elaborated in
order to estimate open porosity which is usually measured using a liquid
adsorption. At the same time the geometry of pores and the pore size distribution
are recorded.
Keywords: bricks, porosity, water absorption, microscopy, image analysis.
1 Introduction
Bricks are one of the most ancient construction materials as they were used in
the Mediterranean countries for 5 thousand years (Papayianni, Stefanidou [1]).
They were used in combination with stone and mortar in the construction of
masterpieces such as churches (for example Hagia Sophia 4-6th century A.D.),
protective city walls and also in humble constructions as houses.
Keywords
bricks, porosity, water absorption, microscopy, image analysis.
Related Book
Other papers in this volume
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