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Frontiers of Earth Science

ISSN 2095-0195

ISSN 2095-0209(Online)

CN 11-5982/P

Postal Subscription Code 80-963

2018 Impact Factor: 1.205

Front. Earth Sci.    2016, Vol. 10 Issue (4) : 740-750    https://doi.org/10.1007/s11707-015-0547-y
RESEARCH ARTICLE
Newmark displacement model for landslides induced by the 2013 Ms 7.0 Lushan earthquake, China
Renmao YUAN1(),Qinghai DENG2,Dickson CUNNINGHAM3,Zhujun HAN1,Dongli ZHANG1,Bingliang ZHANG1
1. Key Laboratory of Active Tectonics and Volcano, Institute of Geology, China Earthquake Administration, Beijing 100029, China
2. College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
3. Department of Environmental Earth Science, Eastern Connecticut State University, Connecticut 06226, USA
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Abstract

Predicting approximate earthquake-induced landslide displacements is helpful for assessing earthquake hazards and designing slopes to withstand future earthquake shaking. In this work, the basic methodology outlined by Jibson (1993) is applied to derive the Newmark displacement of landslides based on strong ground-motion recordings during the 2013 Lushan Ms 7.0 earthquake. By analyzing the relationships between Arias intensity, Newmark displacement, and critical acceleration of the Lushan earthquake, formulas of the Jibson93 and its modified models are shown to be applicable to the Lushan earthquake dataset. Different empirical equations with new fitting coefficients for estimating Newmark displacement are then developed for comparative analysis. The results indicate that a modified model has a better goodness of fit and a smaller estimation error for the Jibson93 formula. It indicates that the modified model may be more reasonable for the dataset of the Lushan earthquake. The analysis of results also suggests that a global equation is not ideally suited to directly estimate the Newmark displacements of landslides induced by one specific earthquake. Rather it is empirically better to perform a new multivariate regression analysis to derive new coefficients for the global equation using the dataset of the specific earthquake. The results presented in this paper can be applied to a future co-seismic landslide hazard assessment to inform reconstruction efforts in the area affected by the 2013 Lushan Ms 7.0 earthquake, and for future disaster prevention and mitigation.

Keywords Newmark displacement of landslide      Arias intensity      critical acceleration      empirical relationship      the Lushan Ms 7.0 earthquake     
Corresponding Author(s): Renmao YUAN   
Just Accepted Date: 04 December 2015   Online First Date: 08 January 2016    Issue Date: 04 November 2016
 Cite this article:   
Renmao YUAN,Qinghai DENG,Dickson CUNNINGHAM, et al. Newmark displacement model for landslides induced by the 2013 Ms 7.0 Lushan earthquake, China[J]. Front. Earth Sci., 2016, 10(4): 740-750.
 URL:  
https://academic.hep.com.cn/fesci/EN/10.1007/s11707-015-0547-y
https://academic.hep.com.cn/fesci/EN/Y2016/V10/I4/740
Fig.1  Location of the Lushan earthquake and acceleration stations.
Fig.2  Calculation of earthquake-induced landslide displacements (from Newmark, 1965).
Data file Station code Longitude Latitude Site condition PGA(g)
1 51BXD 102.8 30.4 Soil 1.025
2 51BXD 102.8 30.4 Soil 0.39
3 51BXD 102.8 30.4 Soil 0.364
4 51BXY 102.9 30.5 Soil 0.394
7 51YAM 103.1 30.1 Soil 0.185
8 51YAM 103.1 30.1 Soil 0.149
10 51LSF 102.9 30.0 Soil 0.064
11 51LSF 102.9 30.0 Soil 0.032
13 51BXM 102.7 30.4 Soil 0.20
14 51BXM 102.7 30.4 Soil 0.269
16 51QLY 103.3 30.4 Soil 0.315
17 51QLY 103.3 30.4 Soil 0.165
19 51YAL 102.8 29.9 Soil 0.828
20 51YAL 102.8 29.9 Soil 0.254
22 51PJD 103.4 30.2 Soil 0.155
23 51PJD 103.4 30.2 Soil 0.188
130 51HYY 102.4 29.6 Soil 0.461
131 51HYY 102.4 29.6 Soil 0.372
133 51JYW 104.8 31.9 Soil 0.38
134 51JYW 104.8 31.9 Soil 0.357
Tab.1  Basic information on strong-motion data used in this study
Fig.3  Ia?Dn relationships with fixed Ac=0.01g: (a) Ia?Dn; (b) Ia?logDn; (c) logIa?Dn; (d) logIa?logDn.
Ac R2(Ia?Dn) R2(logIa?Dn) R2(Ia?logDn) R2(logIa?logDn)
0.01 0.55 0.28 0.61 0.85
0.05 0.89 0.41 0.59 0.90
0.1 0.91 0.66 0.42 0.92
0.15 0.87 0.56 0.33 0.83
0.2 0.73 0.78 0.25 0.86
Average 0.77 0.54 0.44 0.89
Tab.2  R2 values for linear relationships between Ia and Dn for different critical acceleration Ac values
Ac?Dn logAc?Dn Ac?logDn logAc?logDn
R2 0.18?0.79 0.371?0.925 0.928?0.996 0.74?0.94
Average 0.49 0.81 0.98 0.83
Tab.3  R2 values for different linear relationships between Ac and Dn for Ac values between 0.01g?0.2g
Fig.4  Relationships between Ac and Dn for recorded data of the Lushan earthquake: (a) Ac?Dn; (b) log Ac ?Dn; (c) Ac?logDn; (d) log Ac ?logDn.
Fig.5  Fit lines for each value of critical acceleration plotted (a) and multivariate regression models of the Lushan earthquake with the Jibson93 form and Jibson98 form (b).
Fig.6  Fitting results based on the modified formulas for the Lushan earthquake data (a, b) and for the Chi-Chi earthquake data set (c, d; revised from Hsieh and Lee, 2011).
Models Formula R2 Fitting data set Estimated Dn/cm
Jibson93 model logDn=1.460logIa-6.642Ac+1.546±0.409 0.87 Data Set from 7 earthquakes 7.62
Jibson98 model log Dn=1.521log Ia-1.993log Ac-1.546±0.37 0.83 Data Set from 13 earthquakes 2.08
Eq. (7) (New form I)
(Hsieh and Lee, 2011)
logDn=11.287Aclog Ia-11.485Ac+1.948±0.357 0.84 Data Set from worldwide earthquake 6.3
Eq. (8) (New form II)
(Hsieh and Lee, 2011)
logDn=0.847logIa-10.62Ac+6.587AclogIa+1.84±0.295 0.89 Data Set from worldwide earthquake 6.02
Eq. (7) (New form I)
(Hsieh and Lee, 2011)
logDn=11.287Aclog Ia-11.485Ac+1.948±0.357 0.84 Data Set from the Chi-Chi earthquake 1.55
Eq. (8) (New form II)
(Hsieh and Lee, 2011)
logDn=0.847logIa-10.62Ac+6.587AclogIa+1.84±0.295 0.89 Data Set from the Chi-Chi earthquake 1.59
Eq. (9)
based on New form I
logDn=23.372AclogIa?13.278Ac+1.355±0.1831 0.866 Data Set from the Lushan earthquake 1.06
Eq. (10)
based on New form II
logDn=1.147logIa?13.664Ac+9.673 AclogIa+1.396±0.1716 0.901 Data Set from the Lushan earthquake 1.07
Eq. (5) based on
Jibson93 model
logDn=1.846logIa?13.86Ac+1.42±0.409 0.887 Data Set from the Lushan earthquake 1.08
Eq. (6) based on
Jbson98 model
logDn=1.83logIa?1.997logAc?1.96±0.375 0.875 Data Set from the Lushan earthquake 1.09
Tab.4  Different empirical equations and estimated Dn based on checking point at Ia=1 m/s and Ac=0.1g
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