Bulk density decreasing of lightweight silicate based composite

25th International Conference and Meeting of Departments, CONSTRUMAT 2019

Meszarosova, L.^1 ; Drochytka, R.^1

Brno University of Technology, Faculty of Civil Engineering, Institute of Technology of Building Materials and Components, Veveí 95, Brno

602 00, Czech Republic^1

关键词: Aerated concrete;    Bulk density;    Filling materials;    Fine grained;    Non-structural;    Porous aggregates;    Secondary Raw Materials;    Silicate composites;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/549/1/012028/pdf
DOI  :  10.1088/1757-899X/549/1/012028

来源: IOP

【 摘 要 】

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.