ILM Bearing

Method of functioning

Prepared: KC Revised: KC Approved: GM

Revision: 01 Date: 29.10.2003Page: 1/5

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Brackets (for launching)

mageba Incremental Launching Bearing ILM

1) General description

a) Typical cross section

b) Typical top view

During launching sliding plates have to be rigidly supported at the protruding ends to avoid bending of sliding plates

Top plate Bottom plate

ILM Bearing

Method of functioning

Prepared: KC Revised: KC Approved: GM

Revision: 01 Date: 28.10.2003Page: 2/5

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c) Brackets, to hold the top plate during launching

d) Fixing bolts for transportation and presetting of top plate

Bolts item 28 and plate item 25 to be Removed after finishing of launching

To be cut before operation of bearing

ILM Bearing

Method of functioning

Prepared: KC Revised: KC Approved: GM

Revision: 01 Date: 28.10.2003Page: 3/5

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Launching direction

Stainless steel sheet (temporarely)

Concrete superstructure

Elastomeric pad

Fixation during launching (temporarely)

H

Pad

Mortar filled through separate channels

Dowels provisionally placed into the recess and bolted to top plate

Bolts

Fixation to be dismount

2) ILM bearing during launching procedure

3) Proposals for fixation after launching procedure

Proposal 1: Connection with dowels

ILM Bearing

Method of functioning

Prepared: KC Revised: KC Approved: GM

Revision: 01 Date: 28.10.2003Page: 4/5

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Studs

Gap filled with epoxy resin

Fixation to be dismount

Sliding plate welded to top plate

Bolts Studs

Top plate premounted in such a way that it is exactly above the bearing at final position

Fixation to be dismount

Top plate previously mounted to superstructure

Gap filled with epoxy resin

Top plate premounted in such a way that it is above the bearing at final position

Proposal 2: Connection to top plate previously mounted with bolts

Proposal 3: Connection to previously mounted top plate by welding

ILM Bearing

Method of functioning

Prepared: KC Revised: KC Approved: GM

Revision: 01 Date: 28.10.2003Page: 5/5

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Proposal 4: Connection to previously mounted top plate by using transversal fixation bars

Fixation dismounted

Studs Bolts

Fixation bars

* Distance measured after launching and fixation bars manufactured accordingly