Open AccessBulk density decreasing of lightweight silicate based composite
Author(s) -
Lenka Mészárosová,
Rostislav Drochytka
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/549/1/012028
Subject(s) - bulk density , materials science , composite number , porosity , raw material , aggregate (composite) , silicate , composite material , chemical engineering , chemistry , environmental science , soil science , engineering , organic chemistry , soil water
The newly developed silicate composite combines advantages of two types of bulk density decreasing methods. Direct bulk density decreasing method is based on introduction of pores in the structure of binder and indirect bulk density decreasing is achieved by means of using fine grained porous aggregate. This combination makes it possible to achieve maximal decrease of bulk density of the mix. Material of this type shows very low bulk density, approx. 300 kg⋅m −3 and appropriate application would be for non-structural, filling material or insulating material. Achieved results will serve as base for further modification of mix-design of aerated concrete utilizing secondary raw materials.