“一带一路”地区地震区划和防震减灾对策研究

doi:10.3981/j.issn.1000-7857.2020.16.007

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Abstract: The Belt and Road area is vast, with a wide distribution of active seismogenic structures and frequent earthquakes. The seismic hazard assessment and the seismic hazard mapping in this area are of great significance in the earthquake prevention of buildings and the disaster mitigation design of engineering facilities. This paper analyzes the seismogenic source area division model, the seismicity model, the ground motion attenuation relationship model and the site adjustment method in the Belt and Road area. The probabilistic seismic hazard calculation is carried out in the area, and the seismic hazard map of the peak ground acceleration (PGA) distribution with 10% probability of exceedance in 50 years is obtained, and the countermeasures for the earthquake prevention and the disaster mitigation in different seismic hazard areas are proposed. It is shown that the East and Southeast Asia, the western Pacific Ocean, the southern Central Asia, the eastern West Asia, the southern Europe and the eastern Africa are areas with a high seismic hazard in the Belt and Road regions. In the area with the PGA larger than 0.4 with 10% probability of exceedance in 50 years, the general civil buildings should be equipped with the capacity to resist a seismic intensity of 9 degrees.

Key words： the Belt and Road seismic hazard seismic hazard mapping earthquake prevention

Received: 13 December 2019

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	LI Changlong
	JIANG Changsheng

Cite this article:

LI Changlong,JIANG Changsheng. Seismic hazard mapping and earthquake disaster mitigation measures in the Belt and Road areas[J]. Science & Technology Review, 2020, 38(16): 58-67.

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http://www.kjdb.org/EN/10.3981/j.issn.1000-7857.2020.16.007 OR http://www.kjdb.org/EN/Y2020/V38/I16/58

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