ASTM E1592 WIND UPLIFT TESTING FOR STRUCTURAL STANDING SEAM ROOF PANELS
DEFINITIONS AND TERMS RELATING TO WIND FLOW ACROSS BUILDING ROOF SURFACES
CRITICAL WIND INFLUENCES ON METAL ROOF SYSTEMS
a.
WIND UPLIFT PRESSURES
WIND UPLIFT PRESSURESb.DOWNWARD NORMALIZED PRESSURES
DOWNWARD NORMALIZED PRESSURESREAL WORLD ROOF PANEL BEHAVIOR RELATIVE TO WIND-INDUCED UPLIFT
a.INVERSE ELASIC CURVE BEHAVIOR
INVERSE ELASIC CURVE BEHAVIORb.PANEL FLEXURAL BUCKLING
PANEL FLEXURAL BUCKLINGc.SIDEJOINT DISENGAGEMENT
SIDEJOINT DISENGAGEMENTd.CLIP HOOK UNWIND
CLIP HOOK UNWIND e.CLIP ASSEMBLY DISTRESS
CLIP ASSEMBLY DISTRESSf. CLIP-TO-PURLIN FASTENER FAILURE
CLIP-TO-PURLIN FASTENER FAILURE1.CLIP BASE YIELDING OR DISTRESS
CLIP BASE YIELDING OR DISTRESS2.CLIP BASE/FASTENER HEAD - PULL-OVER
CLIP BASE/FASTENER HEAD - PULL-OVER 3.CLIP BASE/FASTENER HEAD - PEEL-OVER
CLIP BASE/FASTENER HEAD - PEEL-OVER4.SCREW PULL-OUT
SCREW PULL-OUTDEFINITION OF ASTM E1592 CHAMBER CONSTRUCTION
DEFINITION OF ASTM E1592 INSTRUMENTATION
a.PRESSURE SOURCE
PRESSURE SOURCE b.HYSTERISIS-TYPE PRESSURE APPLICATION
HYSTERISIS-TYPE PRESSURE APPLICATIONc.DEFLECTION MONITORING
DEFLECTION MONITORINGd.DATA COLLECTION
DATA COLLECTIONe.OBSERVATION REPORTING
OBSERVATION REPORTING DEFINITION OF PROPER TEST SPECIMEN MODELING
a.PANEL END CONDITIONS
PANEL END CONDITIONSb.PANEL EDGE CONDITIONS
PANEL EDGE CONDITIONSc.VISQUEEN PLACEMENT
VISQUEEN PLACEMENTd.PANEL SPANS
PANEL SPANSe.NUMBER OF PANELS TO CONSIDER
NUMBER OF PANELS TO CONSIDERf. TWO (2) TEST PROCEDURES BASED ON …….
TWO (2) TEST PROCEDURES BASED ON ……. 1.1 @ MAXIMUM IN-SERVICE SPAN EXPECTED
1 @ MAXIMUM IN-SERVICE SPAN EXPECTED 2. 1 @ LEAST IN-SERVICE SPAN EXPECTED
TEST OBSERVATIONS TO EXPECT DURING AND AT PANEL SYSTEM FAILURE
a.ELASTIC BEAM-TYPE DEFLECTION OF PANELS
ELASTIC BEAM-TYPE DEFLECTION OF PANELSb.BROAD-FLAT OUT-OF-PLANE NODE DEVELOPMENT
BROAD-FLAT OUT-OF-PLANE NODE DEVELOPMENT c.CROSS-SECTIONAL PROFILE DISTORTION
CROSS-SECTIONAL PROFILE DISTORTION d.SIDEJOINT ROTATION
SIDEJOINT ROTATIONe.SIDEJOINT DISENGAGEMENT
SIDEJOINT DISENGAGEMENTf. PANEL BUCKLING
PANEL BUCKLING g.PANEL CLIP WITHDRAWL
PANEL CLIP WITHDRAWLINTERPRETATION OF PANEL FAILURE VALUE
a.DETERMINE ULTIMATE STRENGTH BASED ON FAILURE MODE
DETERMINE ULTIMATE STRENGTH BASED ON FAILURE MODE 1.AT MAXIMUM SPAN
AT MAXIMUM SPAN 2.AT MINIMUM SPAN
AT MINIMUM SPAN3.CREATE ALLOWABLE UPLIFT VALUES BY APPLYING A FACTOR-OF-SAFETY (LOAD FACTOR) TO TEST-ESTABLISHED ULTIMATE STRENGTH VALUES
CREATE ALLOWABLE UPLIFT VALUES BY APPLYING A FACTOR-OF-SAFETY (LOAD FACTOR) TO TEST-ESTABLISHED ULTIMATE STRENGTH VALUES4.CONSTRUCT A LOAD/SPAN CHART OF INCREMENTAL VALUES BETWEEN LOAD-FACTORED MAX AND MIN ALLOWABLE UPLIFT VALUES USING LINEAR INTERPOLATION TECHNIQUES
CONSTRUCT A LOAD/SPAN CHART OF INCREMENTAL VALUES BETWEEN LOAD-FACTORED MAX AND MIN ALLOWABLE UPLIFT VALUES USING LINEAR INTERPOLATION TECHNIQUES