干旱区生态环境知识资源中心(Arid): Laboratory investigation of erosion behavior at the soil-structure interface affected by various structural factors

Arid

DOI	10.1007/s11069-021-05070-4
	Laboratory investigation of erosion behavior at the soil-structure interface affected by various structural factors
	Chen, Chenghao; Mei, Shiang; Chen, Shengshui; Tang, Yi; Wan, Chengwei
通讯作者	Mei, S (corresponding author), Zhejiang Univ Water Resources & Elect Power, Coll Water Resources & Environm Engn, Hangzhou 310018, Peoples R China.
来源期刊	NATURAL HAZARDS
ISSN	0921-030X
EISSN	1573-0840
出版年	2021-10
英文摘要	Being regarded as an elementary contact unit in the foundation and embankment of levees, trenches and other engineering constructions, the soil-structure interface is highly susceptible to erosion by unpredictable seeping water. This phenomenon can be increasingly complex when cohesionless aeolian sand, widely distributed in arid and semiarid regions with a narrow gradation and a poor compression behavior, is involved at the interface erosion. In an effort to enhance the understanding of such erosion seldomly in the spotlight, an interfacial seepage apparatus is developed and employed in this paper to investigate the influence of three impact factors, namely layer order, interface roughness characteristics and near-interface concentration path. It is found that a specified layer order (aeolian sand on top) evinces an apparent irrelevance of interface characteristics and the high critical hydraulic gradient (HCHG) is the lowest. Test analysis based on post-erosion surface status reveals an ambiguous effect of interface roughness characteristics, depending on the form of roughness patterns. Near-interface concentration path holds a potential to alter the erosion progression from interface erosion to vertical internal erosion within sands, suggesting in the meantime that the erosion scale is significantly magnified despite limited variance of HCHG between comparative cases.
英文关键词	Soil-structure interface erosion Aeolian sand Layer order Roughness characteristics Concentration path Post-erosion image
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000706559100002
WOS关键词	SATURATED HYDRAULIC CONDUCTIVITY ; SANDY GRAVEL FOUNDATIONS ; INTERNAL EROSION ; AEOLIAN SANDS ; SCOUR RATE ; SUFFUSION ; SEEPAGE ; CONCRETE ; MODEL ; STATE
WOS类目	Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS研究方向	Geology ; Meteorology & Atmospheric Sciences ; Water Resources
来源机构	河海大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364217
作者单位	[Chen, Chenghao; Chen, Shengshui; Tang, Yi] Nanjing Hydraul Res Inst, Dept Geotech Engn, Nanjing 210029, Peoples R China; [Mei, Shiang] Zhejiang Univ Water Resources & Elect Power, Coll Water Resources & Environm Engn, Hangzhou 310018, Peoples R China; [Chen, Shengshui] Minist Water Resources, Key Lab Failing Mech & Safety Control Tech Earth, Nanjing 210029, Peoples R China; [Wan, Chengwei] Hohai Univ, Coll Hydrol & Water Resources, Nanjing 210098, Peoples R China
推荐引用方式 GB/T 7714	Chen, Chenghao,Mei, Shiang,Chen, Shengshui,et al. Laboratory investigation of erosion behavior at the soil-structure interface affected by various structural factors[J]. 河海大学,2021.
APA	Chen, Chenghao,Mei, Shiang,Chen, Shengshui,Tang, Yi,&Wan, Chengwei.(2021).Laboratory investigation of erosion behavior at the soil-structure interface affected by various structural factors.NATURAL HAZARDS.
MLA	Chen, Chenghao,et al."Laboratory investigation of erosion behavior at the soil-structure interface affected by various structural factors".NATURAL HAZARDS (2021).