Long shellbased supporting structure

1
Long shell-based supporting structure

• Paolo Ferracin
• LARP Collaboration Meeting
• St. Charles, IL USA
• October 5 - 6 , 2005

2
Goals

• Validate use of shell-based supporting structure
  for long magnets
• Design the components
• Procure and assemble the supporting structure
• Test at LBNL with dummy coil
• Ship structure to BNL
• Participate to test at BNL

3
Issues

• Design the components
• Modification of the yoke to incorporate
• Thicker bladder shim
• Cylinders
• Material of the island
• Iron pad (1 piece ?)
• Thickness of yoke laminations
• Length of shell segments
• Procure and assemble the supporting structure
• Procurement time and assembly
  procedure
• Test at LBNL
• Material of the dummy coil
• Pre-stress homogeneity
• Strain gauges, Fuji paper
• Flexural rigidity

4
Schedule

• Design Dec 15
• Procurement Mar 1
• Inspection, pre-assembly, and instr. Apr 1
• Assembly and test May 1
• Disassembly May 15
• Shipping to BNL Jun 1
• Pre-assembly at BNL Jun 15
• Assembly and test at BNL Jul 1

5
Cost