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Article: Effects of Inclusion of Granulated Rubber Tyres on the Mechanical Behaviour of a Compressive Sand
Title | Effects of Inclusion of Granulated Rubber Tyres on the Mechanical Behaviour of a Compressive Sand |
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Authors | |
Keywords | granulated rubber tyres compressive sand mechanical behaviour filling |
Issue Date | 2020 |
Publisher | NRC Research Press. The Journal's web site is located at http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_desc_e?cgj |
Citation | Canadian Geotechnical Journal, 2020, v. 57 n. 5, p. 763-769 How to Cite? |
Abstract | Drained triaxial shearing tests were performed in this research on a well-graded compressive sand, completely decomposed granite (CDG), and its mixtures with granulated rubber tyres, to investigate the effects of rubber size and content on their mechanical behaviour. Three sizes of rubber particles, GR1, GR2 and GR3, were used with size ratios to CDG (D50,rubber : D50,CDG) of 0.9, 3.5, 7.2, respectively and the rubber content ranged from 0 to 30%. The results show that, for CDG-GR1 mixtures, the strength decreases with increasing rubber content; while for CDG-GR2 and CDG-GR3 mixtures, the strength decreases only at 10% rubber content and then increases markedly with increasing rubber content. The increase of strength is mainly because the inclusion of large rubber particles widens the particle size distributions of the mixtures, resulting in denser packings. The denser packings also lead to a decrease in compressibility. At larger size ratio and higher rubber content, the CDG-rubber mixtures show higher shear strength and lower compressibility than pure CDG, which indicates the CDG-rubber mixtures are very suitable to be used as filling materials. |
Persistent Identifier | http://hdl.handle.net/10722/274880 |
ISSN | 2023 Impact Factor: 3.0 2023 SCImago Journal Rankings: 1.513 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, W | - |
dc.contributor.author | Kwok, CY | - |
dc.contributor.author | Senetakis, K | - |
dc.date.accessioned | 2019-09-10T02:30:48Z | - |
dc.date.available | 2019-09-10T02:30:48Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Canadian Geotechnical Journal, 2020, v. 57 n. 5, p. 763-769 | - |
dc.identifier.issn | 0008-3674 | - |
dc.identifier.uri | http://hdl.handle.net/10722/274880 | - |
dc.description.abstract | Drained triaxial shearing tests were performed in this research on a well-graded compressive sand, completely decomposed granite (CDG), and its mixtures with granulated rubber tyres, to investigate the effects of rubber size and content on their mechanical behaviour. Three sizes of rubber particles, GR1, GR2 and GR3, were used with size ratios to CDG (D50,rubber : D50,CDG) of 0.9, 3.5, 7.2, respectively and the rubber content ranged from 0 to 30%. The results show that, for CDG-GR1 mixtures, the strength decreases with increasing rubber content; while for CDG-GR2 and CDG-GR3 mixtures, the strength decreases only at 10% rubber content and then increases markedly with increasing rubber content. The increase of strength is mainly because the inclusion of large rubber particles widens the particle size distributions of the mixtures, resulting in denser packings. The denser packings also lead to a decrease in compressibility. At larger size ratio and higher rubber content, the CDG-rubber mixtures show higher shear strength and lower compressibility than pure CDG, which indicates the CDG-rubber mixtures are very suitable to be used as filling materials. | - |
dc.language | eng | - |
dc.publisher | NRC Research Press. The Journal's web site is located at http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_desc_e?cgj | - |
dc.relation.ispartof | Canadian Geotechnical Journal | - |
dc.rights | Canadian Geotechnical Journal. Copyright © NRC Research Press. | - |
dc.subject | granulated rubber tyres | - |
dc.subject | compressive sand | - |
dc.subject | mechanical behaviour | - |
dc.subject | filling | - |
dc.title | Effects of Inclusion of Granulated Rubber Tyres on the Mechanical Behaviour of a Compressive Sand | - |
dc.type | Article | - |
dc.identifier.email | Li, W: liwei58@hku.hk | - |
dc.identifier.email | Kwok, CY: fkwok8@hku.hk | - |
dc.identifier.authority | Kwok, CY=rp01344 | - |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1139/cgj-2019-0112 | - |
dc.identifier.scopus | eid_2-s2.0-85084266284 | - |
dc.identifier.hkuros | 304144 | - |
dc.identifier.volume | 57 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 763 | - |
dc.identifier.epage | 769 | - |
dc.identifier.isi | WOS:000531558800012 | - |
dc.publisher.place | Canada | - |
dc.identifier.issnl | 0008-3674 | - |