E3S Web Conf.
Volume 10, 20161st International Conference on the Sustainable Energy and Environment Development (SEED 2016)
|Number of page(s)||4|
|Published online||17 October 2016|
The properties of doped sand-lime products
1 PhD. DSc, Kielce University of Technology, Department of Civil and Environmental Engineering, Al. 1000-Lecia P.P.7 Kielce, Poland
2 MSc, Kielce University of Technology, Department of Civil and Environmental Engineering, Al. 1000-Lecia P.P.7, 25-317, Kielce, Poland
a Corresponding author: firstname.lastname@example.org
Sand-lime products are natural materials consisting of lime, sand and water with the least content of radioactive elements in comparison to other masonry elements. They are characterized by very high compressive strength, high acoustic insulation, good thermal properties, provide a friendly atmosphere and prevent the spread of mold and bacterial flora. In addition they are fully recyclable. White bricks through the porous structure and the occurrence of capillaries have the ability to rising water. The height of capillary action is dependent on the contact angle and the size of existing pores in the material. This property affects the frost resistance and other characteristics of durability of wall materials operated under conditions of intense exposure to moisture. The aim of the study is to determine the impact modifier on the properties of autoclaved sand-lime products. For testing used autoclaved sand-lime brick dimensions 40x40x160 [mm]. The weight of the products consists of 5% lime, 90% sand and 5% lithium water glass (MP=2,6 and MP=7,0). The produced samples were subjected to autoclaving at temperatures of 203◦C and pressure of 1.6 MPa in collaboration with the Silicate Production Plant in Ludynia. Three finished sets of samples (standard, modified with lithium silicate 2.6 and 7.0) have been immersed in water to the desired height during certain time. The results show the diversity of the internal structure of the tested products. In particular pore distribution, size and volume.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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