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NMR spectroscopy-supported design and properties of air lime-white cement injection grouts for strengthening of historical masonry buildings
ID Luzar, Jože (Author), ID Padovnik, Andreja (Author), ID Štukovnik, Petra (Author), ID Marinšek, Marjan (Author), ID Jagličić, Zvonko (Author), ID Bokan-Bosiljkov, Violeta (Author), ID Dolinšek, Janez (Author)

URLURL - Source URL, Visit https://doi.org/10.1016/j.conbuildmat.2020.118937 This link opens in a new window

Abstract
We present design and properties of combined air lime-white cement structural injection grouts containing 17.5% of air lime, 7.5% of cement and 75% of limestone filler, using white Portland cement. Time evolution of the grout setting process during hydration from early to late stages was monitored by NMR spectroscopy and compared to pure cement-paste control samples. The grout setting is significantly slowed down (by more than 10 days). The compressive strengths of the grouts were found in the range 1.5%2.5 MPa, making them efficient materials for the strengthening of historical masonry buildings in Slovenia.

Language:English
Keywords:compressive strength, civil engineering materials, injection grouts, composite lime-cement structural grouts, NMR spectroscopy, NMR hydration curves, compressive strength
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Author Accepted Manuscript
Year:2020
Number of pages:Str. 1-11
Numbering:Letn. 250
PID:20.500.12556/RUL-116747 This link opens in a new window
UDC:691
ISSN on article:0950-0618
DOI:10.1016/j.conbuildmat.2020.118937 This link opens in a new window
COBISS.SI-ID:9109601 This link opens in a new window
Publication date in RUL:08.06.2020
Views:1159
Downloads:165
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Record is a part of a journal

Title:Construction & building materials
Shortened title:Constr. build. mater.
Publisher:Scientific & Technical Press
ISSN:0950-0618
COBISS.SI-ID:25270784 This link opens in a new window

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:08.06.2020

Secondary language

Language:Slovenian
Keywords:gradbeni materiali, injekcijske mešanice, apneno-cementne konstrukcijske mešanice, spektroskopija NMR, hidratacijske krivulje NMR, tlačna trdnost

Projects

Funder:ARRS - Slovenian Research Agency
Project number:J2-8194
Name:Senzorske tehnologije pri kontroli posegov v objekte kulturne dediščine

Funder:ARRS - Slovenian Research Agency
Project number:P1-0125
Name:Magnetna resonanca in dielektrična spektroskopija pametnih novih materialov

Funder:ARRS - Slovenian Research Agency
Project number:P2-0185
Name:Potresno inženirstvo

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