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Effects of natural zeolite addition to lime based render layers for restoration of historical buildings

Authorized Users Only
2019
Authors
Aškrabić, Marina
Zakić, Dimitrije
Savić, Aleksandar R.
Miličić, Ljiljana
Conference object (Published version)
,
RILEM Publications
Metadata
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Abstract
Renders, as the most exposed elements of historical buildings, have limited durability therefore their periodical inspection and replacements are necessary. Various studies have been made with a purpose to develop renders with improved resistance to environmental conditions, yet compatible with originally used materials (mortars and masonry). Although traditional renders were applied in several layers with different properties, most of the studies are based on only one layer production and testing. Natural zeolites are crystalline hydrated alumnosilicates with a specific three-dimensional framework structure. They have been used as a pozzolanic addition in lime mortars since ancient times. This paper presents the effects of natural zeolite addition on physical and mechanical properties of lime-based historical mortars, representing both base and superficial layer of traditional renders. Only locally available materials were used in the mix design. Capillary water absorption coefficient..., water absorption after 48 hours, open porosity, flexural and compressive strength were measured on prismatic samples after 14, 28 and 60 days, and compared with the recommended properties for each render layer. The results demonstrate positive effects of zeolite addition to lime based render layers for restoration of historical buildings.

Keywords:
natural zeolite / lime renders / compatibility / historical mortars
Source:
5th Historic Mortars Conference, 2019
Publisher:
  • RILEM Publications S.A.R.L.

ISBN: 978-2-35158-221-3

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_grafar_2053
URI
https://grafar.grf.bg.ac.rs/handle/123456789/2053
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за материјале и конструкције
Institution/Community
GraFar
TY  - CONF
AU  - Aškrabić, Marina
AU  - Zakić, Dimitrije
AU  - Savić, Aleksandar R.
AU  - Miličić, Ljiljana
PY  - 2019
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2053
AB  - Renders, as the most exposed elements of historical buildings, have limited durability therefore their periodical inspection and replacements are necessary. Various studies have been made with a purpose to develop renders with improved resistance to environmental conditions, yet compatible with originally used materials (mortars and masonry). Although traditional renders were applied in several layers with different properties, most of the studies are based on only one layer production and testing. Natural zeolites are crystalline hydrated alumnosilicates with a specific three-dimensional framework structure. They have been used as a pozzolanic addition in lime mortars since ancient times. This paper presents the effects of natural zeolite addition on physical and mechanical properties of lime-based historical mortars, representing both base and superficial layer of traditional renders. Only locally available materials were used in the mix design. Capillary water absorption coefficient, water absorption after 48 hours, open porosity, flexural and compressive strength were measured on prismatic samples after 14, 28 and 60 days, and compared with the recommended properties for each render layer. The results demonstrate positive effects of zeolite addition to lime based render layers for restoration of historical buildings.
PB  - RILEM Publications S.A.R.L.
C3  - 5th Historic Mortars Conference
T1  - Effects of natural zeolite addition to lime based render layers for restoration of historical buildings
UR  - https://hdl.handle.net/21.15107/rcub_grafar_2053
ER  - 
@conference{
author = "Aškrabić, Marina and Zakić, Dimitrije and Savić, Aleksandar R. and Miličić, Ljiljana",
year = "2019",
abstract = "Renders, as the most exposed elements of historical buildings, have limited durability therefore their periodical inspection and replacements are necessary. Various studies have been made with a purpose to develop renders with improved resistance to environmental conditions, yet compatible with originally used materials (mortars and masonry). Although traditional renders were applied in several layers with different properties, most of the studies are based on only one layer production and testing. Natural zeolites are crystalline hydrated alumnosilicates with a specific three-dimensional framework structure. They have been used as a pozzolanic addition in lime mortars since ancient times. This paper presents the effects of natural zeolite addition on physical and mechanical properties of lime-based historical mortars, representing both base and superficial layer of traditional renders. Only locally available materials were used in the mix design. Capillary water absorption coefficient, water absorption after 48 hours, open porosity, flexural and compressive strength were measured on prismatic samples after 14, 28 and 60 days, and compared with the recommended properties for each render layer. The results demonstrate positive effects of zeolite addition to lime based render layers for restoration of historical buildings.",
publisher = "RILEM Publications S.A.R.L.",
journal = "5th Historic Mortars Conference",
title = "Effects of natural zeolite addition to lime based render layers for restoration of historical buildings",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2053"
}
Aškrabić, M., Zakić, D., Savić, A. R.,& Miličić, L.. (2019). Effects of natural zeolite addition to lime based render layers for restoration of historical buildings. in 5th Historic Mortars Conference
RILEM Publications S.A.R.L...
https://hdl.handle.net/21.15107/rcub_grafar_2053
Aškrabić M, Zakić D, Savić AR, Miličić L. Effects of natural zeolite addition to lime based render layers for restoration of historical buildings. in 5th Historic Mortars Conference. 2019;.
https://hdl.handle.net/21.15107/rcub_grafar_2053 .
Aškrabić, Marina, Zakić, Dimitrije, Savić, Aleksandar R., Miličić, Ljiljana, "Effects of natural zeolite addition to lime based render layers for restoration of historical buildings" in 5th Historic Mortars Conference (2019),
https://hdl.handle.net/21.15107/rcub_grafar_2053 .

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