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The influence of animal glue as an additive on the properties of lime architectural grouts
ID
Padovnik, Andreja
(
Author
),
ID
Bokan-Bosiljkov, Violeta
(
Author
)
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https://www.mdpi.com/2071-1050/15/17/12903
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Abstract
Organic additives from plant and animal extracts were commonly used in lime mortar in the past to improve and modify its properties. In modern times, they have been replaced by inorganic additives. The objective of this research is to investigate the influence of fish animal glue and the role of the filler particle size distribution on the fresh and hardened properties and durability of lime grouts. Wet density, water retention, fluidity, and injectability were tested in the fresh state. It was found that the particle size distribution of the selected filler, which can increase the packing density of the solid particles of the grout, and the W/B ratio have a great influence on water retention and fluidity. In the hardened state, porosity and compressive and splitting tensile strength were evaluated on 90-day- and 365-day-old specimens. The presence of animal glue improved the mechanical properties, due to a higher carbonation rate. The combination of the two fillers that resulted in a better packing of filler particles decreased the splitting tensile strength of the grout. To investigate the durability of the selected grouts, adhesion strength was measured on discsandwich models after non-accelerated and accelerated aging. The results show that the adhesive strength of grouts aged under laboratory conditions is lower than that of grouts subjected to accelerated aging.
Language:
English
Keywords:
civil engineering
,
architectural injection grout
,
dry hydrated lime
,
organic additive
,
animal glue
,
mechanical properties
,
durability
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FGG - Faculty of Civil and Geodetic Engineering
Publication status:
Published
Publication version:
Author Accepted Manuscript
Year:
2023
Number of pages:
17 str.
Numbering:
Vol. 15, iss. 17, art. 12903
PID:
20.500.12556/RUL-151781
UDC:
691
ISSN on article:
2071-1050
DOI:
10.3390/su151712903
COBISS.SI-ID:
162434051
Publication date in RUL:
20.10.2023
Views:
357
Downloads:
38
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Record is a part of a journal
Title:
Sustainability
Shortened title:
Sustainability
Publisher:
MDPI
ISSN:
2071-1050
COBISS.SI-ID:
5324897
Secondary language
Language:
Slovenian
Title:
Vpliv dodatka živalskega lepila na lastnosti arhitekturnih injekcijskih mešanic
Keywords:
gradbeništvo
,
arhitekturna injekcijska mešanica
,
hidrirano apno
,
organski dodatek
,
živalsko lepilo
,
mehanske lastnosti
,
obstojnost
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0185
Name:
Potresno inženirstvo
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