NB 35047-2015: Code for seismic design of hydraulic structures of hydropower project

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Scope

1.0.1 In accordance with “The Law of the People's Republic of China on
Earthquake Preparedness and Disaster Reduction”, to implement the
precautionary principle, to make the construction of the hydraulic structures
after earthquake-resistant design be able to mitigate the earthquake damage
and prevent secondary disasters, this Code is hereby established.
1.0.2 This Code is applicable to the seismic design of hydraulic structures of
grade 1, 2 and 3 -- such as roller compacted embankment dams, concrete
gravity dams, concrete arch dams, sluices, hydraulic underground structures,
intake towers, hydropower station penstocks, aqueducts and shiplift of which
the design intensity is VI, VII, VIII and IX-degree.
When the design intensity is VI, it may be exempted of seismic calculation, but
it shall still take seismic measures appropriately in accordance with this Code.
For the hydraulic structures with a design intensity higher than IX and the for
the backwater structures with a height greater than 200 m or with special
requirements, the seismic safety shall also be specifically studied and
demonstrated.
1.0.3 The design seismic peak ground acceleration of the engineering site of
the hydraulic structure and its corresponding design intensity shall be
determined in accordance with the following provisions.
1.0.4 Hydraulic structures designed for seismic design in accordance with this
Code shall be able to withstand the seismic actions of design intensity. If there
is local damage, it will still operate normally after repair.
1.0.5 The seismic design of hydraulic structures, in addition to complying with
this Code, shall also comply with the provisions of relevant national standards.

Basic Data

Standard ID	NB 35047-2015 (NB35047-2015)
Description (Translated English)	Code for seismic design of hydraulic structures of hydropower project
Sector / Industry	Energy Industry Standard
Classification of Chinese Standard	P59
Word Count Estimation	143,135
Date of Issue	2015-04-02
Date of Implementation	2015-09-01
Older Standard (superseded by this standard)	DL 5073-2000
Regulation (derived from)	?Energy Bureau Announcement 2015 No. 3
Issuing agency(ies)	National Energy Administration