干旱区生态环境知识资源中心(Arid): Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas

Arid

DOI	10.1016/j.geotexmem.2020.05.006
	Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas
	Guo, Chenyao; Wu, Jingwei; Zhu, Yan; Lin, Zhongbing; He, Shuai; Qian, Yingzhi; Yang, Haoyu; Li, Hang; Mao, Wei
通讯作者	Wu, JW
来源期刊	GEOTEXTILES AND GEOMEMBRANES
ISSN	0266-1144
EISSN	1879-3584
出版年	2020
卷号	48 期号:5 页码:735-746
英文摘要	This study investigates the influence of clogging substances on pore characteristics and permeability of geotextile envelopes that were used for 3, 7 and 15 years in irrigated farmlands in Xinjiang region, which is arid and suffers from the soil salinity problem. Results show that the macropores (above 125 mu m) of envelopes are evidently clogged, whereas the smaller pores less than 100 mu m are still unblocked after operation. The permeability coefficients of geotextile envelopes after serving for 3 and 15 years are smaller than the minimum required permeability coefficients after clogging. The main chemical components of clogging substances in the geotextile envelope are silicon dioxide and calcium carbonate. Calcium carbonate content of the geotextile envelope is consistent with calcium carbonate content of soil. Chemical clogging susceptibility increases with the operation time of the subsurface drainage pipes. The ratio of O-90 size of envelope material over d(90) of soils (O-90/d(90)) and saturation index (SI) can be used to assess the susceptibility of physical and chemical clogging respectively. This study provides a preliminary reference for estimating the clogging susceptibility of geotextile envelopes in arid areas.
英文关键词	Geosynthetics Geotextile envelope Clogging substances Pore size characteristic Permeability coefficient Potential susceptibility
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000567012700013
WOS关键词	LANDFILL LEACHATE COLLECTION ; OCHRE BIOFILM FORMATION ; NONWOVEN GEOTEXTILES ; FILTRATION BEHAVIOR ; CALCIUM-CARBONATE ; PRECIPITATION ; SALINITY ; FILTER ; PERFORMANCE ; MECHANISMS
WOS类目	Engineering, Geological ; Geosciences, Multidisciplinary
WOS研究方向	Engineering ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326111
作者单位	[Guo, Chenyao; Wu, Jingwei; Zhu, Yan; Lin, Zhongbing; Qian, Yingzhi; Yang, Haoyu; Li, Hang; Mao, Wei] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Hubei, Peoples R China; [He, Shuai] Xinjiang Acad Agr & Reclamat Sci, Shihezi 832000, Peoples R China
推荐引用方式 GB/T 7714	Guo, Chenyao,Wu, Jingwei,Zhu, Yan,et al. Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas[J],2020,48(5):735-746.
APA	Guo, Chenyao.,Wu, Jingwei.,Zhu, Yan.,Lin, Zhongbing.,He, Shuai.,...&Mao, Wei.(2020).Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas.GEOTEXTILES AND GEOMEMBRANES,48(5),735-746.
MLA	Guo, Chenyao,et al."Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas".GEOTEXTILES AND GEOMEMBRANES 48.5(2020):735-746.