Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1054
Title: Investigating the properties of jet grouting columns with fine-grained cement and silica fume
Authors: Olgun, Murat
Kanat, Askar
Şenkaya, Alican
Erkan, İbrahim Hakkı
Keywords: Jet Grouting
Fine-Grained Cement
Silica Fume
Unconfined Compressive Strength
Permeability Test In Triaxial Test Apparatus
Portland-Cement
Compressive Strength
Engineering Properties
Permeability
Sands
Nano-Sio2
Microstructure
Metakaolin
Mortar
Pastes
Issue Date: 2021
Publisher: ELSEVIER SCI LTD
Abstract: In Jet Grouting (JG) applications, manufacturing of jet grouted columns which answer the purpose, is possible by designing proper injection fluid which is a cement grout in most cases. In this study, the impacts of three different binder types on the performance of JG columns was investigated. Fine-grained cement (DMFC-800), Ordinary Portland Cement (OPC) and the mixture of OPC cement including 10% silica fume (SF) by weight were used as binders. Grouting mixtures were prepared at various water/cement (W/C) ratios, then JG columns were manufactured. Whilst the maximum unconfined compressive strength (UCS) value was obtained from fine grained cement induced samples (max. UCS = 24.6 MPa for W/C = 1.0), very high strength values were detected for OPC + 10%SF induced samples as well. The maximum splitting tensile strength (STS) values for OPC + 10% SF induced samples were found to be (min. STS = 3.62 MPa for W/C = 1.25). Furthermore, after the permeability tests, it was observed that the columns with DMFC-800 and OPC + 10% SF induced mixtures exhibit the lowest permeability coefficients as compared to columns made from the other binders (min. k = 0.1124 x 10(-8) m/s for DMFC-800). Scanning electron microscope (SEM) image analysis revealed that DMFC-800 cement and OPC + 10% SF induced mixture reduced the voids between particles and enhanced the binding ability of the grouting mixture. (C) 2020 Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.conbuildmat.2020.120637
https://hdl.handle.net/20.500.13091/1054
ISSN: 0950-0618
1879-0526
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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