UFC 4-023-03
25 January 2005
FIGURES
Figure
Title
Page
2-1
Design Process for VLLOP in New and Existing Construction............. 2-2
2-2
Design Process for LLOP in New and Existing Construction ............... 2-3
2-3
Design Process for MLOP and HLOP in New and Existing
Construction......................................................................................... 2-5
3-1
Schematic of Tie Forces in a Frame Structure..................................... 3-3
3-2
Location of External Column Removal for MLOP and
HLOP Structures.................................................................................. 3-7
3-3
Location of Internal Column Removal for MLOP and
HLOP Structures.................................................................................. 3-7
3-4
Removal of Column From Alternate Path Model.................................. 3-8
3-5
Location of External Load-Bearing Wall Removal for MLOP and
HLOP Structures.................................................................................. 3-9
3-6
Location of Internal Load-Bearing Wall Removal for MLOP and
HLOP Structures..................................................................................3-10
3-7
Linear and Nonlinear Static Load Locations for External and
Internal Column Removal ....................................................................3-12
3-8
Linear and Nonlinear Static Load Locations for External and
Internal Load-Bearing Wall Removal ...................................................3-13
3-9
Inserting Hinge and Moments into Linear Static Alternate
Path Model...........................................................................................3-15
3-10
Measurement of Hinge Rotation After Formation of
Plastic Hinges ......................................................................................3-18
3-11
Sidesway and Member End Rotations ( ) for Frames.........................3-18
4-1
Axial Load and Moment at Balanced Strain ......................................... 4-7
5-1
Example of Tying the Columns of a Steel Building .............................. 5-3
5-2
Example of General Tying of a Steel Building...................................... 5-3
B-1
Calculation of Upper Bound on the Basic Strength.............................. B-4
B-2
Determination of lr for Frame Construction .......................................... B-5
B-3
Determination of lr for Spine Wall Construction.................................... B-5
B-4
Details for Anchoring Internal Ties to Peripheral Ties .......................... B-6
B-5
Peripheral Tie Detail for Corner Columns ............................................ B-7
B-6
Lateral Support For Stiffened Sections ................................................ B-8
B-7
Lateral Support For Partition Walls ...................................................... B-9
B-8
Lateral Support For Intersecting or Return Walls.................................B-10
B-9
Lateral Support For Piers or Stiffened Sections...................................B-11
B-10
Lateral Support For Substantial Partitions ...........................................B-11
B-11
Fully Restrained Connections (from GSA 2003) .................................B-20
B-12
Partially Restrained Connections (from GSA 2003) ............................B-21
B-13
Weak Axis Connections (from GSA 2003) ...........................................B-22
C-1
Reinforced Concrete Building Plan ...................................................... C-3
C-2
Reinforced Concrete Building Elevation............................................... C-3
C-3
Plan of Removed Column .................................................................... C-6
C-4
Elevation of Removed Column ............................................................ C-6
vii
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