the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Residential building stock modelling for mainland China
Abstract. Previous seismic damage reports have shown that the damage and collapse of buildings is the leading cause of fatality and property loss, especially in developing countries. To better serve the risk analysis targeted at near-real-time post-earthquake mitigation and pre-earthquake preparedness and resources allocation, this study develops a fully reproducible grid-level residential building stock model for mainland China, by disaggregating urbanity level census data of each province into 1 km × 1 km scale and using population density profile as the proxy. To evaluate the model performance, the modelled residential building stock value is compared with the net capital stock value in Wu et al. (2014) using perpetual inventory method at provincial level. The modelled stock values in these two studies are in good agreement for all the 31 provinces in mainland China. Furthermore, district level comparison of the residential floor area developed in this study with records from statistical yearbook of Shanghai is also conducted. It turns out that the floor area developed in this study is compatible with floor area recorded in the yearbook of Shanghai. To further validate the applicability of the modelled results in seismic risk assessment, an estimation of the scenario loss to modelled residential buildings is performed, by assuming the recurrence of 2008 Wenchuan M8.0 earthquake. The overall estimated loss approximates the loss value derived from damage reports based on field investigation quite well. Both results indicate the reliability of the residential building stock model developed in this study. The limitations of this study are discussed and directions for future work are recommended.
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RC1: 'Comments on the manuscript entitled "Residential building stock modeling for mainland China"', Anonymous Referee #1, 12 Jun 2020
- AC1: 'Response to RC1 comments on submitted manuscript (nhess-2019-385)', Danhua Xin, 30 Jul 2020
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RC2: 'Referee report on nhess-2019-385, Residential building stock modeling for mainland China', Anonymous Referee #2, 20 Jun 2020
- AC2: 'Response to RC2 comments on submitted manuscript (nhess-2019-385)', Danhua Xin, 30 Jul 2020
-
RC1: 'Comments on the manuscript entitled "Residential building stock modeling for mainland China"', Anonymous Referee #1, 12 Jun 2020
- AC1: 'Response to RC1 comments on submitted manuscript (nhess-2019-385)', Danhua Xin, 30 Jul 2020
-
RC2: 'Referee report on nhess-2019-385, Residential building stock modeling for mainland China', Anonymous Referee #2, 20 Jun 2020
- AC2: 'Response to RC2 comments on submitted manuscript (nhess-2019-385)', Danhua Xin, 30 Jul 2020
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