Table of Contents
1.0INTRODUCTION
2.0MATERIAL,FABRICATION,INSTALLATION,ANDREPAIRS
2.1MaterialSpecifications
2.2BasePlateMaterialSelection
2.3BasePlateFabricationandFinishing
2.4BasePlateWelding
2.5AnchorRodMaterial
2.6AnchorRodHolesandWashers
2.7AnchorRodSizingandLayout
2.8AnchorRodPlacementandTolerances
2.9ColumnErectionProcedures
2.9.1SettingNutandWasherMethod
2.9.2SettingPlateMethod
2.9.3ShimStackMethod
2.9.4SettingLargeBasePlates
2.10GroutingRequirements
2.11AnchorRodRepairs
2.11.1AnchorRodsintheWrongPosition
2.11.2AnchorRodsBentorNotVertical
2.11.3AnchorRodProjectionTooLongorTooShort
2.11.4AnchorRodPatternRotated90degree
2.12DetailsforSeismicDesignD
3.0DESIGNOFCOLUMNBASEPLATECONNECTIONS
3.1ConcentricCompressiveAxialLoads
3.1.1ConcreteBearingLimit
3.1.2BasePlateYieldingLimit(W-Shapes)
3.1.3BasePlateYieldingLimit(HSSandPipe)
3.1.4GeneralDesignProcedure
3.2TensileAxialLoads
3.2.1AnchoreRodTension
3.2.2ConcreteAnchorageforTensileForces
3.3DesignofColumnBasePlateswithSmallMoments
3.3.1ConcreteBearingStress
3.3.2BasePlateFlexuralYieldingLimitatBearing
Interface
3.3.3BasePlateFlexuralYieldingatTensionInterface
3.3.4GeneralDesignProcedure
3.4DesignofColumnBasePlateswithLargeMoments
3.4.1ConcreteBearingandAnchorRodForces
3.4.2BasePlateYieldingLimitatBearingInterface
3.4.3BasePlateYieldingLimitatTensionInterface
3.4.4GeneralDesignProcedure
3.5DesignforShear
3.5.1Friction
3.5.2Bearing
3.5.3ShearinAnchorRods
3.5.4InteractionofTensionandShearintheConcrete
3.5.5HairpinsandTieRods
4.0DESIGNEXAMPLES
4.1Example:BasePlateforConcentricAxialCompressive
Load(Noconcreteconfinement)
4.2Example:BasePlateforConcentrixAxialCompressive
Load(Usingconcreteconfinement)
4.3Example:AvailableTensileStrengthofa3/4in.
AnchorRod
4.4Example:ConcreteEmbedmentStrength
4.5Example:ColumnAnchorageforTensileLoads
4.6Example:SmallMomentBasePlateDesign
4.7Example:LargeMomentBasePlateDesign
4.8Example:ShearTransferUsingBearing
4.9Example:ShearLugDesign
4.10Example:EdgeDistanceforShear
4.11Example:AnchorRodResistingCombined
TensionandShear
REFERENCES
APPENDIXA
APPENDIXB Abstract
Helps engineers and fabricators in the design, detailing and specification of column-base-plate and anchor-rod connections, in a manner that avoids common fabrication and erection problems.