GB 50191-2012: Code for seismic design of special structures

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Scope

1.0.1 This code is formulated with a view to implementing the national laws and
regulations on the seismic protection and disaster mitigation and the prevention-first
policy so that the special structures can relieve seismic damage after seismic
fortification to avoid casualties or complete loss of use function and minimize economic
loss.
1.0.2 This code is applicable to seismic design of special structures at the area with
Intensity 6 ~ Intensity 9 seismic precautionary intensity.
1.0.3 The seismic precautionary objective for the special structures, subjected to the
seismic design according to this code, within 50-year design service life. the main
structure shall not be damaged or not required to be repaired and may continue in
service in case of being suffered from the frequent earthquakes below seismic
precautionary intensity of this area; the damaged structure may continue in service
after general repair in case of being suffered from precautionary earthquake equivalent
to seismic precautionary intensity of this area; the integral collapse shall be avoided in
case of being suffered from the rare earthquake higher than seismic precautionary
intensity of this area.
1.0.4 The special structures with Intensity 6 or above seismic precautionary
intensity must be subjected to seismic design.
1.0.5 The seismic precautionary intensity and the design parameters of ground
motion must be determined according to the documents (graphic documents)
approved and issued by the national authority and adopted according to the
approval documents.
1.0.6 The seismic precautionary intensity shall adopt the basic seismic intensity in the
current national standard "Seismic Ground Motion Parameter Zonation Map of China"
GB 18306 or the intensity corresponding to the design basic acceleration value of
ground motion in this code. The engineering site subjected to the seismic safety
evaluation should be subjected to seismic fortification according to approved seismic
precautionary intensity or the design parameters of ground motion.
1.0.7 The seismic design of special structures shall meet not only the requirements
stipulated in this code, but also the provisions of the related current national standards.

Basic Data

Standard ID	GB 50191-2012 (GB50191-2012)
Description (Translated English)	Code for seismic design of special structures
Sector / Industry	National Standard
Classification of Chinese Standard	P15
Classification of International Standard	91.120.25
Word Count Estimation	450,424
Older Standard (superseded by this standard)	GB 50191-1993
Quoted Standard	GB 50007; GB 50010; GB 50011; GB 50017; GB 50135; GB 50204; GB 50223; GB 50330; GB/T 5313; GB 18306
Regulation (derived from)	Ministry of Housing and Urban-Rural Development Bulletin No.1392
Issuing agency(ies)	Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Summary	This standard applies to seismic intensity of 6 degrees -9 degrees regional seismic design of structures.