FOAM-CORED COMPOSITE EXTERIOR WALL PANEL ANALYSIS SEMINAR

THE PANEL AS A WIDE/THIN “BEAM”

1.DESCRIPTION OF UNDER-LOAD BEAM ACTION

2.DISPLACED SKIN THEORY, Ad^2

3.MOMENT OF INERTIA, I

4.MODULUS OF ELASTICITY, E

5.TRADITIONAL BEAM STIFFNESS, EI

6.       TRADITIONAL DEFLECTION EQUATION                                        

WHAT DOES THE TERM “COMPOSITE” BEHAVIOR MEAN

1.   BEAM-ACTION WHEN A BEAM IS “COMPOSITE”

2.FOAM CORE SHEAR MODULUS, G

3.TWO-PART COMPOSITE DEFLECTION EQUATION

TEST PROTOCOL FOR DETERMINING SHEAR MODULUS, G

1.ASTM E330 CHAMBER METHOD WITH PANELS SPECIFICALLY MODELED FOR SHEAR MODULUS DETERMINATION

TEST PROTOCOL FOR DETERMINING ULTIMATE SKIN BUCKLING VALUE

1.ASTM E330 CHAMBER METHOD WITH PANELS SPECIFICALLY MODELED FOR SKIN BUCKLING VALUE DETERMINATION

TEST PROTOCOL FOR DETERMINING ULTIMATE CORE SHEAR STRESS VALUE

    1.   ASTM E330 CHAMBER METHOD WITH PANELS SPECIFICALLY                 

          MODELED FOR CORE SHEAR STRESS DETERMINATION

PANEL-TO-STRUCTURE INTERFACE REACTIONS

1.END REACTIONS

2.INTERMEDIATE REACTIONS

  

TEST PROTOCOL FOR DETERMINING ULTIMATE CONNECTION STRENGTH

1.ASTM E330 CHAMBER METHOD WITH PANELS SPECIFICALLY MODELED FOR CONNECTION STRENGTH DETERMINATION                                    

INDUSTRY-ESTABLISHED IN-SERVICE FACTORS OF SAFETY AND DEFLECTION LIMITS

1.ALLOWABLE SKIN STRESS --- F.S. = 1.88

2.ALLOWABLE CORE SHEAR --- F.S. = 3.00

3.CONNECTION STRENGTH ----- F.S. = 2.50

4.DEFLECTION LIMIT ------------- F.S. = L/120 or L/180 (typical specified values)