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// CODE SNIPPET

1617.6.2.4.3 Special Moment Frames

NYC Building Code 2008 > 16 Structural Design > 1617 Earthquake Loads — Minimum Designlateral Force and Related Effects > 1617.6 Seismic-Force-Resisting Systems > 1617.6.2 Seismic-Force-Resisting Systems (For Use in the Simplified Analysis Procedure of Section 1617.5) > 1617.6.2.4 System Limitations for Seismic Design Category D > 1617.6.2.4.3 Special Moment Frames
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A special moment frame that is used but not required by Table 1617.6.2 is permitted to be discontinued and supported by a stiffer system with a lower response modification coefficient, R, provided the requirements of Sections 1620.2.3 and 1620.4.1 are met. Where a special moment frame is required by Table 16 17.6.2, the frame shall be continuous to the foundation.

Related Code Sections


1617.6.2.4.3 Structural Design, Special Moment Frames
A special moment frame that is used but not required by Table 1617.6.2 is permitted to be discontinued and supported by a stiffer system ...
NYC Building Code 2008 > 16 Structural Design > 1617 Earthquake Loads — Minimum Designlateral Force and Related Effects > 1617.6 Seismic-Force-Resisting Systems > 1617.6.2 Seismic-Force-Resisting Systems (For Use in the Simplified Analysis Procedure of Section 1617.5) > 1617.6.2.4 System Limitations for Seismic Design Category D > 1617.6.2.4.3 Special Moment Frames
18.6 Earthquake-Resistant Structures, Beams of Special Moment Frames
This section shall apply to beams of special moment frames that form part of the seismic-force-resisting system and are proportioned primarily ...
Building Code Requirements for Structural Concrete of New York City > 18 Earthquake-Resistant Structures > 18.6 Beams of Special Moment Frames
18.2.6 Earthquake-Resistant Structures, Reinforcement in Special Moment Frames and Special Structural Walls
Reinforcement in special moment frames and special structural walls shall be in accordance with the special seismic systems requirements of 20.2.2 ...
Building Code Requirements for Structural Concrete of New York City > 18 Earthquake-Resistant Structures > 18.2 General > 18.2.6 Reinforcement in Special Moment Frames and Special Structural Walls
18.6.1 Earthquake-Resistant Structures, Scope
This section shall apply to beams of special moment frames that form part of the seismic-force-resisting system and are proportioned primarily ...
Building Code Requirements for Structural Concrete of New York City > 18 Earthquake-Resistant Structures > 18.6 Beams of Special Moment Frames > 18.6.1 Scope
18.7.3 Earthquake-Resistant Structures, Minimum Flexural Strength of Columns
strengths of the beams framing into the joint, evaluated at the faces of the joint. In T-beam construction, where the slab is in tension under moments ...
Building Code Requirements for Structural Concrete of New York City > 18 Earthquake-Resistant Structures > 18.7 Columns of Special Moment Frames > 18.7.3 Minimum Flexural Strength of Columns
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