Behavior of Silicate Bricks During Prolonged Contact with the Ground

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Abstract

Data on the effect of long-term storage of silicate bricks in various conditions: in the air and on the ground, on its strength and phase composition are presented. It has been established that over seven years of storage, there is no decrease in the compressive strength of the brick, regardless of its initial strength. Analysis of the phase composition of the silicate brick showed that portlandite, calcite and tobermorite are present in all samples in addition to quartz. Quantitative analysis of the curves of differential thermal analysis indicates that when storing bricks on the ground, the processes of carbonation of free lime and calcium hydrosilicates in the stone occur much faster, which is probably due to its higher humidity and more favorable conditions for the penetration of carbon dioxide into the depth of the structure. It is likely that a longer period of time is needed to identify the influence of storage conditions and the initial strength of silicate bricks on their durability, which will be a continuation of this study.

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About the authors

Yu. F. Panchenko

Industrial University of Tyumen

Author for correspondence.
Email: panchenkojf@tyuiu.ru

Candidate of Sciences (Engineering)

Russian Federation, Tyumen

D. А. Panchenko

Industrial University of Tyumen

Email: panchenkoda@tyuiu.ru

Senior Lecturer

Russian Federation, Tyumen

E. N. Medvedeva

Industrial University of Tyumen

Email: medvedevaen1@tyuiu.ru

Candidate of Sciences (Engineering), Associate Professor

Russian Federation, Tyumen

M. P. Zelig

Industrial University of Tyumen

Email: zeligmp@tyuiu.ru

Senior Lecturer

Russian Federation, Tyumen

S. V. Ilyasova

Industrial University of Tyumen

Email: iljasovasv@tyuiu.ru

Assistant

Russian Federation, Tyumen

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2. Fig. 1. Appearance of silicate brick after seven years of storage: а – on a pallet; b – on the ground

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3. Fig. 2. Differential thermal analysis curves of: а – unpainted silicate bricks stored on a pallet; b – unpainted silicate bricks stored on the ground; c – orange silicate brick stored on a pallet; d – orange silicate brick stored on the ground

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