Effects of saturation degrees, freezing-thawing, and curing on geotechnical properties of lime and lime-cement concretes

Jahandari, S, Saberian Boroujeni, M, Tao, Z, Mojtahedi, S, Li, J, Ghasemia, M, Rezvani, S and Li, W 2019, 'Effects of saturation degrees, freezing-thawing, and curing on geotechnical properties of lime and lime-cement concretes', Cold Regions Science and Technology, vol. 160, pp. 242-251.


Document type: Journal Article
Collection: Journal Articles

Title Effects of saturation degrees, freezing-thawing, and curing on geotechnical properties of lime and lime-cement concretes
Author(s) Jahandari, S
Saberian Boroujeni, M
Tao, Z
Mojtahedi, S
Li, J
Ghasemia, M
Rezvani, S
Li, W
Year 2019
Journal name Cold Regions Science and Technology
Volume number 160
Start page 242
End page 251
Total pages 10
Publisher Elsevier
Abstract There are very limited researches carried out to investigate the influence of saturation degrees, freezing-thawing, and curing times on geotechnical properties of lime concrete (LC) and lime-cement concrete (LCC) due to the capillary action and changes in groundwater table. Subsequently, the primary goal of this research is to investigate the influence of these parameters on mechanical properties of LC and LCC using unconfined compression tests, namely uniaxial compressive strength (UCS), stress-strain behavior, deformability index (ID), secant modulus (ES), failure strain, bulk modulus (K), resilient modulus (MR), brittleness index (IB), and shear modulus (G). At first, the mechanical and chemical characteristics of the utilized materials were measured. Then, samples were made with an optimal amount of cement, lime, coarse-grained soil, fine-grained soil, and water. The samples were then exposed to saturation points extending from 0 to 100% after 14, 28, 45 and 60 curing days. Then, to consider the effect of amount of saturation on the mechanical properties, UCS tests were performed on some of the samples. Other LCC specimens were exposed to freezing-thawing conditions to consider the effect of this phenomenon on the mechanical properties as well. The results of more than 250 UCS tests demonstrated that the curing times significantly affected the strength of LC and LCC specimens. Moreover, it is not ideal and logical to utilize LC and LC columns at a profundity underneath or near the groundwater level, though it is reasonable to adopt LCC and LCC columns at a profundity beneath or near the groundwater level because of the immaterial effect of degrees of saturation on LCC. In addition, this study showed that extending the curing period and diminishing the saturation degree would increase the strength and mechanical properties of the LCC specimens. The results of freezing-thawing demonstrated a negligible increase in the strength of the LCC when the thawing process p
Subject Civil Geotechnical Engineering
Keyword(s) Lime concrete
Lime-cement concrete
Saturation degree
Freezing-thawing
Unconfined compressive strength
DOI - identifier 10.1016/j.coldregions.2019.02.011
Copyright notice © 2019 Elsevier Ltd. All rights reserved.
ISSN 0165-232X
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 4 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 0 times in Scopus Article
Altmetric details:
Access Statistics: 14 Abstract Views  -  Detailed Statistics
Created: Tue, 26 Mar 2019, 09:36:00 EST by Catalyst Administrator
© 2014 RMIT Research Repository • Powered by Fez SoftwareContact us