Water uptake in parallel fractures
Water uptake in rock fractures caused by rainfall plays a significant role in slope stability analysis. Since the fracture network system has complicated structures and multiple scales, the models based on the averaged system cannot account for these properties. On the other hand, a model describing...
Guardado en:
| Autores principales: | , , , , |
|---|---|
| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Yandy Scientific Press
2021
|
| Materias: | |
| Acceso en línea: | https://doaj.org/article/31db2e78dab9410c859899d44fbac572 |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| id |
oai:doaj.org-article:31db2e78dab9410c859899d44fbac572 |
|---|---|
| record_format |
dspace |
| spelling |
oai:doaj.org-article:31db2e78dab9410c859899d44fbac5722021-11-08T02:46:26ZWater uptake in parallel fractures10.46690/capi.2021.01.012652-3310https://doaj.org/article/31db2e78dab9410c859899d44fbac5722021-03-01T00:00:00Zhttps://www.yandy-ager.com/index.php/cap/article/view/326https://doaj.org/toc/2652-3310Water uptake in rock fractures caused by rainfall plays a significant role in slope stability analysis. Since the fracture network system has complicated structures and multiple scales, the models based on the averaged system cannot account for these properties. On the other hand, a model describing a single fracture with fractal characteristics and surface roughness fails to deal with the case of multiple fractures at spatial scales. In this study, a fracture-network model is established to account for the complex structures and multiple scales of fractures. By considering the connectivity between fractures and the limited area of aquifer, capillary pressure formulations in different fractures are derived based on the Young-Laplace equation, and the final water level under specific rainfall conditions is also obtained. The cross-section shapes and exhaust conditions of rainwater infiltration have important influences on the final water level. The results indicate that the final water level is proportional to the ratio of perimeter to cross-section area when the fracture is a cylinder, and a circular pipe can reduce water level elevation in the fracture system.Junjie WangXingyu ZhuYixin PanJisheng KouShuyu SunYandy Scientific Pressarticletwo-phase flowcapillary pressurerainfall intensitygroundwaterfracture networkPhysicsQC1-999ENCapillarity, Vol 4, Iss 1, Pp 1-12 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
two-phase flow capillary pressure rainfall intensity groundwater fracture network Physics QC1-999 |
| spellingShingle |
two-phase flow capillary pressure rainfall intensity groundwater fracture network Physics QC1-999 Junjie Wang Xingyu Zhu Yixin Pan Jisheng Kou Shuyu Sun Water uptake in parallel fractures |
| description |
Water uptake in rock fractures caused by rainfall plays a significant role in slope stability analysis. Since the fracture network system has complicated structures and multiple scales, the models based on the averaged system cannot account for these properties. On the other hand, a model describing a single fracture with fractal characteristics and surface roughness fails to deal with the case of multiple fractures at spatial scales. In this study, a fracture-network model is established to account for the complex structures and multiple scales of fractures. By considering the connectivity between fractures and the limited area of aquifer, capillary pressure formulations in different fractures are derived based on the Young-Laplace equation, and the final water level under specific rainfall conditions is also obtained. The cross-section shapes and exhaust conditions of rainwater infiltration have important influences on the final water level. The results indicate that the final water level is proportional to the ratio of perimeter to cross-section area when the fracture is a cylinder, and a circular pipe can reduce water level elevation in the fracture system. |
| format |
article |
| author |
Junjie Wang Xingyu Zhu Yixin Pan Jisheng Kou Shuyu Sun |
| author_facet |
Junjie Wang Xingyu Zhu Yixin Pan Jisheng Kou Shuyu Sun |
| author_sort |
Junjie Wang |
| title |
Water uptake in parallel fractures |
| title_short |
Water uptake in parallel fractures |
| title_full |
Water uptake in parallel fractures |
| title_fullStr |
Water uptake in parallel fractures |
| title_full_unstemmed |
Water uptake in parallel fractures |
| title_sort |
water uptake in parallel fractures |
| publisher |
Yandy Scientific Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/31db2e78dab9410c859899d44fbac572 |
| work_keys_str_mv |
AT junjiewang wateruptakeinparallelfractures AT xingyuzhu wateruptakeinparallelfractures AT yixinpan wateruptakeinparallelfractures AT jishengkou wateruptakeinparallelfractures AT shuyusun wateruptakeinparallelfractures |
| _version_ |
1718442986314924032 |