气候变化领域集成服务门户(CCPortal): Dynamic soil properties and seismic ground response analysis for North Indian seismic belt subjected to the great Himalayan earthquakes

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DOI	10.1007/s11069-020-03995-w
	Dynamic soil properties and seismic ground response analysis for North Indian seismic belt subjected to the great Himalayan earthquakes
	Puri N.; Jain A.; Nikitas G.; Dammala P.K.; Bhattacharya S.
发表日期	2020
ISSN	0921030X
起始页码	447
结束页码	478
卷号	103 期号:1
英文摘要	The paper highlights the importance of using site-specific shear modulus reduction (G/Gmax versus shear strain, γ) curves and damping ratio (D versus shear strain, γ) curves for ground response analysis. In order to develop comprehensive G/Gmax–γ and D–γ curves (i.e. over a wide range of strain level), two types of apparatus, viz. resonant column and cyclic simple shear, have been used. The case study considered the geological deposits from the river beds of Yamuna River originating from the Himalayan seismic zone of North India. The tests results have been analysed to develop G/Gmax–γ and D–γ curves and compared with standard curves. It has been observed that upper and lower boundaries for the standard curves are remarkably different for the geological deposit under consideration. In order to assess the impact of using standard curves rather than site-specific curves, ground response analysis has been carried out at five sites along the Yamuna River using two types of curves (standard and site-specific developed in this study). The study showed that the amplification of shear waves at these sites based on the experimentally derived curves is much higher as compared to the standard curves. The proposed curves better represent dynamic behaviour of the soil deposits of the region and will provide a realistic response as far as practically possible, for the structures constructed in the states of Haryana and Delhi and nearby areas. It is anticipated that the data presented in this paper will have wide application and usage. © 2020, Springer Nature B.V.
关键词	Cyclic simple shear test Haryana Material damping Resonant column test Shear modulus degradation Yamuna sands
英文关键词	dynamic response; earthquake event; ground motion; S-wave; seismic response; seismic zone; shear modulus; structural response; Haryana; India; Yamuna River
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/205886
作者单位	University of Surrey, Guildford, GU2 7XH, United Kingdom; Department of Civil Engineering, National Institute of Technology Kurukshetra, Kurukshetra, Haryana 136119, India; Indian Institute of Technology Guwahati, Guwahati, 781039, India
推荐引用方式 GB/T 7714	Puri N.,Jain A.,Nikitas G.,et al. Dynamic soil properties and seismic ground response analysis for North Indian seismic belt subjected to the great Himalayan earthquakes[J],2020,103(1).
APA	Puri N.,Jain A.,Nikitas G.,Dammala P.K.,&Bhattacharya S..(2020).Dynamic soil properties and seismic ground response analysis for North Indian seismic belt subjected to the great Himalayan earthquakes.Natural Hazards,103(1).
MLA	Puri N.,et al."Dynamic soil properties and seismic ground response analysis for North Indian seismic belt subjected to the great Himalayan earthquakes".Natural Hazards 103.1(2020).