The effect of replacing sand with aggregate from sanitary ceramic waste on the durability of stucco mortars
- PDF / 3,238,777 Bytes
- 13 Pages / 595.276 x 790.866 pts Page_size
- 90 Downloads / 144 Views
ORIGINAL PAPER
The effect of replacing sand with aggregate from sanitary ceramic waste on the durability of stucco mortars Beata Klimek1 · Jacek Szulej1 · Paweł Ogrodnik2 Received: 14 March 2020 / Accepted: 25 August 2020 © The Author(s) 2020
Abstract During processing and transport, the ceramic industry generates big amounts of waste. In order to limit the number of landfills and to minimise consequences of such waste that is clearly noxious for the environment, this industry remains under great pressure to find effective recycling methods for its waste and by-products. What is more, given the limited resources of traditional aggregate, energy savings and protection of the environment, the construction industry is seeking for new sources of aggregate. For this reason, ceramic waste is increasingly frequently used as coarse and fine aggregate, both in mortars and in concrete mixtures. The goal of studies presented in the paper was to analyse the impact of recycled ceramic aggregate on the frost and salt spray resistance of stucco mortar used in the construction industry. Mortar recipes also contained admixtures that modify properties of the mixture and of the hardened product, such as copolymer of vinyl acetate and methylcellulose with a hydrophobic admixture. Elementary testing was performed related to mechanical and physical parameters of mortars. Among others tests were carried out of compressive strength and flexural strength, a determination was made of density, open and total porosity, absorbability, resistance to salt spray corrosion and frost resistance after 25 freeze–thaw cycles of samples. Replacement of sand by recycled ceramic aggregate causes a change in physical parameters of mortars. It has a positive impact on strength parameters of mortars with concurrent reduction in absorbability and capillary action. Testing of mortar with the addition of ceramic aggregate has proved better frost resistance and resistance to salt crystallisation as compared to mortar to which sand had been added.
* Jacek Szulej [email protected] Beata Klimek [email protected] Paweł Ogrodnik [email protected] 1
Faculty of Civil Engineering and Architecture, Lublin University of Technology, 40 Nadbystrzycka Str, 20‑618 Lublin, Poland
The Main School of Fire Service, Institute of Security Engineering, 52/54 Słowackiego Str., 01‑629 Warsaw, Poland
2
13
Vol.:(0123456789)
B. Klimek et al.
Graphic abstract
New stucco mortar with ceramic aggregate
Mortar with sand quartz Cracks in concrete paste (Flexural Strength-MPa) in sample with sand quartz 3
2
1 0,32 0
Sand and ceramic Aggregate used for production of mortar
Conditions of samples after 25 freeze-thaw cycles
PI
1
0,49
PII 2
0,50
PIII 3
Mortar with ceramic aggregate Contact surface in sample (Flexural Strength-MPa)
with ceramic aggregate
3 2,25
2,15
2,42
2
1
0
CI
1
2
CII
3
CIII
ceramic ware waste - alternative, low - cost, available and eco - efficient aggregate Keywords Recycling · Ceramic ware waste · Stucco mortars
Intr
Data Loading...
