1-g model tests of tunnels with a surrounding cement-treated soil ring Article Swipe
F. Zulkefli
,
Eugene S.J. Tan
,
Fook Hou Lee
,
S. H. Goh
·
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.3208/jgssp.sin-11
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.3208/jgssp.sin-11
The construction of large diameter tunnels can be challenging, especially in soft soil conditions. Stability intervention by means of ground improvement has been identified as a possible method to allow for the safe construction of such tunnels. A 1-g physical model study of the stability of a tunnel with a cement-treated soil layer surrounding it, along with related failure loads and mechanisms, is reported here. The failure mechanism of such tunnels is found to be very different from conventional tunnels with no ground improvement as cement-treated soil is very brittle. Failure occurs locally, with cracks developing in the tensile region in the cement treated layer. These cracks consistently occur at the crown, springline and invert, over a range of improved soil layer thickness-to-tunnel diameter (t/D) ratio. These cracks are also distinctly flexural tensile in nature. Prior to the onset of cracking, the deformation of the tunnel is minimal. This in turn results in a negligible settlement trough. This implies that caution is needed on the use of ground movement as a measure of the strength mobilization, owing to the lack of warning signs. The stability of such tunnels is found to be related to the t/D ratio and strength of the improved soil layer, while the significance of the unimproved surrounding soil is found to be minimal. This leads to the formulation of a new stability equation.
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Concepts
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3208/jgssp.sin-11
- https://www.jstage.jst.go.jp/article/jgssp/2/62/2_SIN-11/_pdf
- OA Status
- diamond
- Cited By
- 3
- References
- 2
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- OpenAlex ID
- https://openalex.org/W2336707640
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2336707640Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3208/jgssp.sin-11Digital Object Identifier
- Title
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1-g model tests of tunnels with a surrounding cement-treated soil ringWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2016Year of publication
- Publication date
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2016-01-01Full publication date if available
- Authors
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F. Zulkefli, Eugene S.J. Tan, Fook Hou Lee, S. H. GohList of authors in order
- Landing page
-
https://doi.org/10.3208/jgssp.sin-11Publisher landing page
- PDF URL
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https://www.jstage.jst.go.jp/article/jgssp/2/62/2_SIN-11/_pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
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https://www.jstage.jst.go.jp/article/jgssp/2/62/2_SIN-11/_pdfDirect OA link when available
- Concepts
-
Geotechnical engineering, Cracking, Cement, Brittleness, Settlement (finance), Ultimate tensile strength, Flexural strength, Landslide, Failure mechanism, Geology, Materials science, Composite material, Computer science, Payment, World Wide WebTop concepts (fields/topics) attached by OpenAlex
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3Total citation count in OpenAlex
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2018: 1, 2017: 1, 2016: 1Per-year citation counts (last 5 years)
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2Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.These | 105, 126 |
| abstract_inverted_index.allow | 29 |
| abstract_inverted_index.along | 55 |
| abstract_inverted_index.found | 72, 189, 213 |
| abstract_inverted_index.here. | 64 |
| abstract_inverted_index.large | 3 |
| abstract_inverted_index.layer | 52, 121 |
| abstract_inverted_index.leads | 218 |
| abstract_inverted_index.loads | 59 |
| abstract_inverted_index.means | 17 |
| abstract_inverted_index.model | 40 |
| abstract_inverted_index.occur | 108 |
| abstract_inverted_index.onset | 138 |
| abstract_inverted_index.owing | 176 |
| abstract_inverted_index.range | 117 |
| abstract_inverted_index.ratio | 196 |
| abstract_inverted_index.study | 41 |
| abstract_inverted_index.while | 204 |
| abstract_inverted_index.cement | 102 |
| abstract_inverted_index.cracks | 94, 106, 127 |
| abstract_inverted_index.crown, | 111 |
| abstract_inverted_index.ground | 19, 82, 167 |
| abstract_inverted_index.layer, | 203 |
| abstract_inverted_index.layer. | 104 |
| abstract_inverted_index.method | 27 |
| abstract_inverted_index.needed | 162 |
| abstract_inverted_index.occurs | 91 |
| abstract_inverted_index.ratio. | 125 |
| abstract_inverted_index.region | 99 |
| abstract_inverted_index.signs. | 182 |
| abstract_inverted_index.tunnel | 47, 145 |
| abstract_inverted_index.Failure | 90 |
| abstract_inverted_index.caution | 160 |
| abstract_inverted_index.failure | 58, 66 |
| abstract_inverted_index.implies | 158 |
| abstract_inverted_index.invert, | 114 |
| abstract_inverted_index.measure | 171 |
| abstract_inverted_index.nature. | 134 |
| abstract_inverted_index.related | 57, 192 |
| abstract_inverted_index.results | 151 |
| abstract_inverted_index.tensile | 98, 132 |
| abstract_inverted_index.treated | 103 |
| abstract_inverted_index.trough. | 156 |
| abstract_inverted_index.tunnels | 5, 70, 79, 187 |
| abstract_inverted_index.warning | 181 |
| abstract_inverted_index.brittle. | 89 |
| abstract_inverted_index.diameter | 4, 123 |
| abstract_inverted_index.flexural | 131 |
| abstract_inverted_index.improved | 119, 201 |
| abstract_inverted_index.locally, | 92 |
| abstract_inverted_index.minimal. | 147, 216 |
| abstract_inverted_index.movement | 168 |
| abstract_inverted_index.physical | 39 |
| abstract_inverted_index.possible | 26 |
| abstract_inverted_index.reported | 63 |
| abstract_inverted_index.strength | 174, 198 |
| abstract_inverted_index.tunnels. | 36 |
| abstract_inverted_index.Stability | 14 |
| abstract_inverted_index.cracking, | 140 |
| abstract_inverted_index.different | 76 |
| abstract_inverted_index.equation. | 226 |
| abstract_inverted_index.mechanism | 67 |
| abstract_inverted_index.stability | 44, 184, 225 |
| abstract_inverted_index.developing | 95 |
| abstract_inverted_index.distinctly | 130 |
| abstract_inverted_index.especially | 9 |
| abstract_inverted_index.identified | 23 |
| abstract_inverted_index.negligible | 154 |
| abstract_inverted_index.settlement | 155 |
| abstract_inverted_index.springline | 112 |
| abstract_inverted_index.unimproved | 209 |
| abstract_inverted_index.conditions. | 13 |
| abstract_inverted_index.deformation | 142 |
| abstract_inverted_index.formulation | 221 |
| abstract_inverted_index.improvement | 20, 83 |
| abstract_inverted_index.mechanisms, | 61 |
| abstract_inverted_index.surrounding | 53, 210 |
| abstract_inverted_index.challenging, | 8 |
| abstract_inverted_index.consistently | 107 |
| abstract_inverted_index.construction | 1, 33 |
| abstract_inverted_index.conventional | 78 |
| abstract_inverted_index.intervention | 15 |
| abstract_inverted_index.significance | 206 |
| abstract_inverted_index.mobilization, | 175 |
| abstract_inverted_index.cement-treated | 50, 85 |
| abstract_inverted_index.thickness-to-tunnel | 122 |
| cited_by_percentile_year.max | 94 |
| cited_by_percentile_year.min | 90 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 4 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/15 |
| sustainable_development_goals[0].score | 0.5299999713897705 |
| sustainable_development_goals[0].display_name | Life in Land |
| citation_normalized_percentile.value | 0.80888678 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |