Time-dependency deterioration of polypropylene fiber reinforced soil and guar gum mixed soil in loess cut-slope protecting
文献类型：期刊论文
| 作者 | Bao, Han1; Liu, Changqing1; Lan, Hengxing2,4; Yan, Changgen1; Li, Langping4; Zheng, Han3; Dong, Zhenguo1 |
| 刊名 | ENGINEERING GEOLOGY
 |
| 出版日期 | 2022-12-20 |
| 卷号 | 311页码:14 |
| 关键词 | Loess slope protection Ecological materials LiDAR Deterioration characteristic Time-dependency deterioration model |
| ISSN号 | 0013-7952 |
| DOI | 10.1016/j.enggeo.2022.106895 |
| 通讯作者 | Lan, Hengxing(lanhx@igsnrr.ac.cn) ; Zheng, Han(zhenghan@chd.edu.cn) |
| 英文摘要 | Ecological materials are increasingly being applied in the loess slope protection, and the time-dependency deterioration of materials is an important criterion in evaluating their protective effects. Taking poly-propylene fiber and guar gum as examples, the protection tests of these two ecological materials were carried out for a typical bare cut-slope on the Loess Plateau in this study. We quantified the erosion deterioration based on the approach of LiDAR, and the deterioration processes of both the ecological materials were then compre-hensively evaluated. Results showed that both the materials could generate good protective effects on the test slopes, and the guar gum mixed soil (GGS) was slightly better than polypropylene fiber reinforced soil (PFS) at initial time. However, the two materials deteriorated diversely with the increasing service time. The scouring erosion was mainly observed in PFS, which is different from the surface spalling observed in GGS. The erosion mass of the two slopes also presented different stepwise growth along the slope downward. In addition, the protective advantage of GGS was decreasing and even disappearing over time. Revealed by the dry-wet cycle tests in laboratory, the rapid attenuation of disintegration resistance of PFS and shear strength parameters of GGS were the main reasons leading to the different deterioration of the two materials. The time-dependency dete-rioration model was furthermore established by combining the average intensity of effective rainfall as well as the disintegration rate and shear strength parameters of slope protection materials. The model indicated that the influences of disintegration rate, cohesion, and internal friction angle enhanced successively on the protective effects of slope protection materials. This study is of great significance for revealing the deterioration mechanism and promoting continuous improvement of slope protection materials. |
| WOS关键词 | WATER EROSION ; STEEP SLOPES ; RILL EROSION ; PREDICTION ; INTENSITY ; PLATEAU ; RUNOFF ; MODEL |
| 资助项目 | National Natural Science Foundation of China ; Young Talent Fund of Association for Science and Technology in Shaanxi, China ; [41790443] ; [42041006] ; [32071586] ; [20220707] |
| WOS研究方向 | Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000886647600004 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; Young Talent Fund of Association for Science and Technology in Shaanxi, China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/187383]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Lan, Hengxing; Zheng, Han |
| 作者单位 | 1.Changan Univ, Sch Highway, Xian 710064, Shaanxi, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, 11A Datun Rd, Beijing 100101, Peoples R China 3.Changan Univ, Sch Water & Environm, Key Lab Subsurface Hydrol & Ecol Effect Arid Reg, Minist Educ, Xian 710054, Peoples R China 4.Changan Univ, Sch Geol Engn & Geomatics, Xian 710064, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Bao, Han,Liu, Changqing,Lan, Hengxing,et al. Time-dependency deterioration of polypropylene fiber reinforced soil and guar gum mixed soil in loess cut-slope protecting[J]. ENGINEERING GEOLOGY,2022,311:14. |
| APA | Bao, Han.,Liu, Changqing.,Lan, Hengxing.,Yan, Changgen.,Li, Langping.,...&Dong, Zhenguo.(2022).Time-dependency deterioration of polypropylene fiber reinforced soil and guar gum mixed soil in loess cut-slope protecting.ENGINEERING GEOLOGY,311,14. |
| MLA | Bao, Han,et al."Time-dependency deterioration of polypropylene fiber reinforced soil and guar gum mixed soil in loess cut-slope protecting".ENGINEERING GEOLOGY 311(2022):14. |
入库方式： OAI收割
来源：地理科学与资源研究所
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