| DC Field | Value | Language |
|---|---|---|
| dc.contributor | Department of Civil and Environmental Engineering | - |
| dc.creator | Mu, QY | - |
| dc.creator | Dong, H | - |
| dc.creator | Liao, HJ | - |
| dc.creator | Dang, YJ | - |
| dc.creator | Zhou, C | - |
| dc.date.accessioned | 2021-04-09T08:50:22Z | - |
| dc.date.available | 2021-04-09T08:50:22Z | - |
| dc.identifier.issn | 2045-2543 | - |
| dc.identifier.uri | http://hdl.handle.net/10397/89524 | - |
| dc.language.iso | en | en_US |
| dc.publisher | ICE Publishing | en_US |
| dc.subject | Fabric/structure of soils | en_US |
| dc.subject | Laboratory tests | en_US |
| dc.subject | Suction | en_US |
| dc.title | Water-retention curves of loess under wetting-drying cycles | en_US |
| dc.type | Journal/Magazine Article | en_US |
| dc.identifier.volume | 10 | - |
| dc.identifier.issue | 2 | - |
| dc.identifier.doi | 10.1680/jgele.19.00025 | - |
| dcterms.abstract | Water-retention curves (WRCs) of intact, compacted and reconstituted loess were investigated using a pressure plate extractor. All specimens were prepared having the same initial density and subjected to two cycles of drying and wetting in the suction range of 0-400 kPa. Furthermore, their pore-size distributions (PSDs) were measured through mercury intrusion porosimeter (MIP) for explaining the measured WRCs. The results show that the air-entry value of reconstituted loess is 505% and 169% larger than that of intact and compacted loess, respectively. This is because the reconstituted loess has more uniform PSD and lacks large-sized pores, as supported by the MIP measurements. On the other hand, the average degree of hysteresis of reconstituted loess during the second wetting-drying cycle decreases by 73% compared to that of the first cycle, which is attributed to the significant soil shrinkage (i.e. 28%) induced by the first wetting-drying cycle. On the contrary, the number of wetting-drying cycles shows negligible effects on the hysteresis of intact loess. In addition, the wetting-drying cycles influence the hysteresis of compacted loess only in a narrow suction range (i.e. 10-50 kPa). | - |
| dcterms.accessRights | embargoed access | - |
| dcterms.bibliographicCitation | Geotechnique letters, June 2020, v. 10, no. 2, 25 | - |
| dcterms.isPartOf | Geotechnique letters | - |
| dcterms.issued | 2020-06 | - |
| dc.identifier.scopus | 2-s2.0-85079342141 | - |
| dc.identifier.artn | 25 | - |
| dc.description.validate | 202104 bcvc | - |
| dc.description.oa | Not applicable | - |
| dc.identifier.FolderNumber | a0692-n09 | - |
| dc.identifier.SubFormID | 968 | - |
| dc.description.fundingSource | RGC | - |
| dc.description.fundingText | 16207918 | - |
| dc.description.pubStatus | Published | - |
| dc.date.embargo | 2021.06.30 | en_US |
| Appears in Collections: | Journal/Magazine Article | |
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