4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of...
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Transcript of 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of...
![Page 1: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/1.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Concept of Platformand Environment
A. Hervé / ETHZ@CERN
ILD-Webex meeting 17 February 2009
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
ILD Detectors
Design N.S. ETH-Z, January 2009.
Conceptual view of Push-Pull
IP
Garage
![Page 3: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/3.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
False floor modules to compensate platform height
Towers for near-by services
Services
On IP
Two Experiments, two positions
![Page 4: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/4.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
ILD 1
Beam Pipe position
ILD
Service position
ServicesServices
False floor modules can be rearranged to modulateworking space disposition in garage position
Two Experiments, two positions
![Page 5: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/5.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Tentative horizontal separations
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Increased lateral space to work on muon systemby shifting one false floor module
muon
Valve box
Dewar and local services
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Design N.S. ETH-Z, January 2009.
Possible Cavern radius(~14m)
Crane
18m
An effort has been made to reducethe radius of the Underground Hall
![Page 8: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/8.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
We have played on three parametersto try to reduce hall diameter
1
2
3Height of supports
Crane clearance
Pillar for Q0
![Page 9: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/9.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Q0 Pillar shiftedconnection byflexible lines
4m
Simple opening in garage position usinglast Matthieu’s drawing
Design N.S. ETH-Z, January 2009.
![Page 10: 4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009 Concept of Platform and Environment A. Hervé / ETHZ@CERN ILD-Webex meeting.](https://reader035.fdocuments.net/reader035/viewer/2022070404/56649f345503460f94c50fae/html5/thumbnails/10.jpg)
4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Q0 recessed in endcaps
4m
Design N.S. ETH-Z, January 2009.
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
2 m
Design N.S. ETH-Z, January 2009.
Q0 recessed and Central Barrel shifted
6m
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
2 m
Design N.S. ETH-Z, January 2009.
6m
Small alcove allowing to decouple Q0 from endcap
Top view
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Advantages of platform for push-pull operation
• The use of a platform is well adapted to ILD sectioning and construction.
• With the use of airpads and indexing system, this should allow a millimetric repositioning.
• The presence of the platform can be taken advantage of to isolate the experiment from seismic events and from surrounding vibrations.
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
The CMS plug is good example of a platform
rails
22 m2m thick 2000 tons
PLUG
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4366-ILD-T-Platform-and-environment.ppt A. Hervé Seoul workshop 17 February 2009
Example of anti-sismic supportsthat could be installed below the platform