Seismic support series

Code for seismic design of buildings

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Code for Seismic Design of Buildings
■ China National Standard GB-50981-014
the People's Republic of China Announcement of the Ministry of Housing and Urban-Rural Development
No. 585
Announcement of the Ministry of Housing and Urban-Rural Development on Issuing the National Standard
Code for Seismic Design of Building Electromechanical Engineering
Now approves the Code for Seismic Design of Building Electromechanical Engineering as the national standard, numbered GB50981-2014,
will be implemented from August 1, 2015. Among them, Articles 1.0.45.1.4 and 7.4.6 are mandatory provisions and must be strictly implemented.
This specification is published and distributed by China Construction Industry Press organized by the Institute of Standards and Quota of our Ministry.
the People's Republic of China Ministry of Housing and Urban-Rural Development
October 9, 2014
Seismic Support System
During the earthquake, seismic forces will be applied to the building and its internal facilities. These seismic forces will act on the building itself in the horizontal direction, as well as on the pipeline system, cable trough, air duct and other internal building systems. The supports usually designed for pipes, cable ducts and other facilities are only designed for gravity or vertical loads, and do not take into account the horizontal loads caused by earthquakes. Seismic fixing devices, I .e. brackets and supports, can resist horizontal forces and keep the building's mechanical and electrical facilities stable and intact. The main purpose of seismic bracing is to minimize the loss of life caused by earthquakes.
System Principle
Single Tube Seismic Support System Principle Schematic Diagram
Door] Type Hanger Seismic Support System Principle Schematic Diagram
Seismic Support System
Support Type
Seismic Support Hangers are divided into the following four categories according to their uses
Seismic Support System
Seismic stress Analysis of Support
Seismic Support Stress Range Division, the lateral support spacing of horizontal straight pipes shall not exceed 12m, and the longitudinal support spacing shall not exceed 24m.
The actual spacing of seismic supports shall be adjusted according to the horizontal seismic action, support bearing capacity and installation angle until all points meet the seismic load requirements.
Seismic Support and Hanger Structure Layout Design
Determine the specific location of seismic support and hanger layout to facilitate on-site construction and installation. Appropriate combination of various pipelines on the portal hanger to reduce the number of single pipe hanger, rational use of resources

Seismic connecting seat A

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