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ring systemENGINEERING
HANDBOOK
rev. 2
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ENGINEERING HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
INTRODUCTION
The load capacities listed for the GSD Ring scaffold system are based on the results of Engineeringcalculations, FEM analysis and extensive testing in Europe and in the United States by independenttesting authorities.
All laboratory testing was carried out in consultation with resident engineers in order to that the
results were obtained in accordance with the test procedures outlined in European Standards EN
12810 and 12811 and American OSHA regulations.
About Bodycote, Lancaster
Bodycote Materials Engineering Lancaster Laboratory is one of Europes foremost fatigue andfracturetoughness testing laboratories. The laboratory has a prestigious Europe-wide clientele within the forgingsector, which supply aerospace, nuclear and power generation industries. Dealing with complexcomponent sectioning in titanium and advanced aerospace alloys is a routine activity and the laboratory iswidely approved by the major aerospace OEMs.
Bodycote Lancaster is a UKAS accredited testing laboratory
About UKAS
The United Kingdom Accreditation Service UKAS, is the sole accreditation body recognised by government
to assess, against internationally recognised standards, organisations that provide certification, testing,inspection and calibration services.
Accreditation by UKAS demonstrates the competence, impartiality and sustainable performance ofthese evaluators.
DSS International has implemented extensive quality control procedures at the factory to ensure that
the results achieved and documented within this booklet remain reliable and consistant.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Bending Moment
Max. My = 60 kNcm
See EN 12811 Pt 3 for Procedure
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Ledger/StandardConnection
Maximum Bending Moment
Max. My = 73 kNcm
See OSHA Testing Standards
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Normal Load
The normal load N is a tensile force or a compressionforce along the axis of a ledger/transom
Max. N = 58.5 kN
See EN 12811 Pt 3 for Procedure
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Normal Load
The normal load N is a tensile force or a compressionforce along the axis of a ledger/transom
Max. N = 58.5 kN
See OSHA ANSI Test Standard
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Vertical Load
The vertical load Vz is the supporting load for the transoms. The
maximum load for a single Ledger or transom was giventobe
Max. Vz = 19,5 kN
The maximum allowable load on the completerosette was given as:
Vz = 54,90 kN
See EN 12811 Pt 3 for Procedure
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum VerticalLoad
The vertical load Vz is the supporting load for the transoms. The
maximum load for a single Ledger or transom was giventobe
Max. Vz = 21 kN
The maximum allowable load on the complete
rosette was given as:
Vz = 64,00 kN
See OSHA Test Standards
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Load in Diagonals
The maximum tensile load in the diagonalsNv
Was found to be:-
Max. Nv = 14,20 kN
See EN 12811 Pt 3 for Procedure
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Maximum Load in Diagonals
The maximum tensile load in the diagonalsNv
Was found to be:-
Max. Nv = 14,20 kN
See OSHA Test Standards
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Load capacity of Ledgers
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Load capacity of Ledgers
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Load Capacity Double Ledgers
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Capacity of Steel decks
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Scaffold Bracing patterns
1. General Arrangement and Legend
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Example 1 Unsheeted, 2,50 or 3,00 bay length, closed facade,Scaffold Rating 4 (3 for3,00m bay length), first anchor at 4,00 m, spindel length 26 cm.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Example 2 Unsheeted, 2,50 or 3,00 bay length, closed facade,Scaffold Rating 4 (3 for3,00m bay length), first anchor at 4,00 m, spindel length 26 cm with sidebracket.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Example 3 Unsheeted, 2,50 or 3,00 bay length, open or closed facade,Scaffold Rating 4(3 for 3,00m bay length), first anchor at 4,00 m, spindel length 26 cm.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Example 4Sheeted, 2,50 or 3,00 bay length, closed facade,Scaffold Rating 4 (3 for3,00m bay length), first anchor at 4,00 m, spindel length 26 cm.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Example 5 Sheeted, 2,50 or 3,00 bay length, open or closed facade,Scaffold Rating 4 (3for 3,00m bay length), first anchor at 4,00 m, spindel length 26 cm, one board sidebracaket.
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
GSD Ring System Leg Loading
a) Standard at perimeter of structure b) Standard within perimeter of structure
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ENGINEERING
HANDBOOK
GSDENGHBK
REV. 2
6/25/2008
Notes
Page 21