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STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
1.- ELASTIC ANALYSIS OF GRIDS
1.1.- COMPATIBILITY METHOD
1.2- SLOPE DEFLECTION METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
UNIT AIM:
UNDERSTANDING HOW THE LOAD IS
DISTRIBUTED IN A GRID SYSTEM
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
A grid is a planar structural system composed of continuous members that
intersect each other. The applied loads are perpendicular to the grid plane
A grid is a planar structural system composed of continuous members that
intersect each other. The applied loads are perpendicular to the grid plane.
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
INTERNAL FORCES?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
AXIAL FORCE DIAGRAM? SHEAR FORCE DIAGRAM YZ? SHEAR FORCE DIAGRAM XZ?
BENDING MOMENT Y? BENDING MOMENT X? TORQUE DIAGRAM (TORSION)?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
AXIAL FORCE DIAGRAM? SHEAR FORCE DIAGRAM YZ? SHEAR FORCE DIAGRAM XZ?
BENDING MOMENT Y? BENDING MOMENT X? TORQUE DIAGRAM (TORSION)?
Torque
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
HOLLOW CROSS SECTIONSOLID CROSS SECTION
WHICH CROSS SECTIONS ARE MORE EFFECTIVE TO RESIST TORSION?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
HOW CAN WE CALCULATE THE PART OF THE LOAD THAT TRAVELS THROUGH EACH BEAM?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY METHOD
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
CONCLUSION:
A GRID IS EFFECTIVE WHEN THE BENDING
STIFFNESS OF BOTH BEAMS IS SIMILAR
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
WHAT DO YOU THINK IS HAPPENING IN THESE GRIDS?
WHICH REACTION FORCES ARE HIGHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
CLASS 1
CAN YOU GUESS WHICH BEAM IS SUPPORTING THE OTHER?
CAN YOU GUESS WHICH BEAM IS SUPPORTING THE OTHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
CAN YOU GUESS WHICH BEAM IS SUPPORTING THE OTHER?
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
TO APPLY THE EXPRESSIONS OF THE SIMPLE BEAMS WE CAN REMOVE THE
CANTILEVER AND CONSIDER ITS EFFECT OVER THE BEAM AB
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
COMPATIBILITY EQUATION
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
ONCE WE KNOW THE VALUE OF R WE SHOULD CHECK! IF IT IS CORRECT
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
ONCE WE KNOW THE VALUE OF R WE CAN DRAW THE DIAGRAMS
STRUCTURAL ANALYSIS II
ELASTIC ANALYSIS OF GRIDS
STRUCTURAL ANALYSIS II
ASSIGNMENT 1
STRUCTURAL ANALYSIS II
ASSIGNMENT 1

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Class 1_ae2_18_grids_compatibility