Properties of the composite with recycled concrete manufactured by modified technology

International Conference Building Materials, Products and Technologies

材料科学;工业技术（总论）

Trtik, T.^1 ; Seps, K.^1 ; Chylik, R.^1 ; Fladr, J.^1 ; Pavlu, T.^1

Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, Praha

16629, Czech Republic^1

关键词: Modified technologies;    Natural aggregate;    Recycled aggregates;    Recycled concrete aggregates;    Recycled concretes;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/583/1/012025/pdf
DOI  :  10.1088/1757-899X/583/1/012025

来源: IOP

【 摘 要 】

The article describes basic mechanical, physical and durability characteristics of concrete with recycled aggregate. Recycled concrete aggregates from AZS s.r.o. are made using newly modified technology and properties for use in concrete have been tested. In this part of the research the compressive strength, tensile strength, modulus, freeze and thaw resistance are tested. The basic aim was to test two mixtures with fifty percent substitution of the coarse component of natural aggregate by recycled one (the standard EN 206 does not already allow this) and to prove that such a quantity of recycled aggregate can be used for concrete constructions. The properties were tested on 150 mm cubes and beams 100 x 100 x 400 mm after 28 days.