Upload
gracie
View
65
Download
1
Tags:
Embed Size (px)
DESCRIPTION
STRUCTURAL BASICS. STRUCTURAL BASICS . Redundancy Brittleness/ductility Building dynamic behavior Degradation of structural Strength Stiffness Stability . EARTHQUAKE MOVEMENT. DIAGONALLY BRACED FRAME. SHEATHED FRAME. MOMENT-RESISTING FRAME. CRACKING AT GIRDER-COLUMN CONNECTION. - PowerPoint PPT Presentation
Citation preview
STRUCTURAL STRUCTURAL BASICSBASICS
STRUCTURAL BASICS STRUCTURAL BASICS
RedundancyRedundancy Brittleness/ductilityBrittleness/ductility Building dynamic behaviorBuilding dynamic behavior Degradation of structuralDegradation of structural
StrengthStrength StiffnessStiffness Stability Stability
EARTHQUAKE MOVEMENT
DIAGONALLY BRACED FRAME
SHEATHED FRAME
MOMENT-RESISTING FRAME
CRACKING AT GIRDER-COLUMN CONNECTION
MASONRY MASONRY CONSTRUCTION CONSTRUCTION
Unreinforced brick masonry bearing Unreinforced brick masonry bearing wall buildingswall buildings
Unreinforced concrete block Unreinforced concrete block masonry bearing wall buildingsmasonry bearing wall buildings
Steel-frame with masonry infill Steel-frame with masonry infill buildingsbuildings
Reinforced masonry buildings Reinforced masonry buildings
FAILURE OF UNREINFORCED MASONRY PARAPET AND WALL
BARRICADED AREA SUBJECT TO FALLING HAZARD
STAIRSTEP CRACKS USUALLY INDICATE UNREINFORCED CONCRETE BLOCK WALL
PIERS CRACKED FROM POUNDING AT LEVEL OF ADJACENT ROOF
EFFECTS OF POUNDING BETWEEN BUILDINGS
HORIZONTAL AND VERTICAL REINFORCINGCONCRETE BLOCK
MASONRY
BLOCKS PLACED ON END
CONTINUOUS VERTICAL JOINT
REINFORCED CONCRETE BLOCK
UNREINFORCED BRICK MASONRY
CONCRETE CONCRETE CONSTRUCTION CONSTRUCTION
Structural walls or framesStructural walls or frames Cast-in-place or pre-castCast-in-place or pre-cast Combinations of the above Combinations of the above
DIAGONAL CRACKS IN CONCRETE
ATC-20-1:45
PRECAST DOUBLE-T ROOF MEMBERS