DOI: 10.1007/s11069-020-04456-0
论文题名: Numerical analysis of a finite slope improved with stone columns under the effect of earthquake force
作者: Çadır C.C. ; Vekli M. ; Şahinkaya F.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2021
卷: 106, 期: 1 起始页码: 173
结束页码: 211
语种: 英语
中文关键词: Finite element program
; Pseudo-static analysis
; Seismic slope stability
; Soil improved
; Stone columns
英文关键词: column
; earthquake
; finite element method
; landslide
; numerical method
; safety
; slope failure
; slope stability
; soil improvement
英文摘要: Slope stability is one of the most important issues of geotechnical engineering. Significant slope failures (landslides), which result from earthquakes, can cause considerable losses of life and property. Hence, it is required that a slope keeps its stability under the effect of earthquake forces. This study includes the numerical analysis (pseudo-static) of slopes improved with stone columns under the effect of earthquake force. In the analysis conducted using the finite element program, the safety factor was determined by performing the safety analysis of the slopes modeled (different s/D (2, 2.5, 3) ratios, c/(γ.H) (0.19, 0.14, etc.) ratios, and slope angles (β: 20°, 25°)) without the effect of earthquake force and under the effect of earthquake force. As a result of this study, it was observed that the slopes improved with stone columns had a higher factor of safety compared to the slopes without stone columns both under the effect of earthquake force and without the effect of earthquake force. In the study, the safety factor of the slopes improved with stone columns under the effect of earthquake force increased up to 1.24 times in comparison with the slopes not improved with stone columns. Furthermore, under the effect of earthquake force, a 22.50% decrease was observed in the horizontal displacement of the slope model supported with stone columns compared to the slopes without stone columns. The study determined that the stability of clay slopes reinforced with stone columns under the effect of earthquake force increased. In light of the data obtained from this study, it is thought that it may be important in terms of creating preliminary information in land applications that require quick and economical solutions. Moreover, it is thought that the study will shed light on other studies to be carried out since it is a basic study on the numerical investigation of finite clay slopes reinforced with stone columns under the effect of earthquake force (pseudo-static). © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168931
Appears in Collections: 气候变化与战略
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作者单位: Department of Civil Engineering, Yozgat Bozok University, Yozgat, Turkey; Department of Civil Engineering, Ondokuz Mayıs University, Samsun, Turkey
Recommended Citation:
Çadır C.C.,Vekli M.,Şahinkaya F.. Numerical analysis of a finite slope improved with stone columns under the effect of earthquake force[J]. Natural Hazards,2021-01-01,106(1)