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PT516296205
Tunnel Boring Machine Lifting Device
SCOPE
Design and detailing of a lifting device to lift a 450-ton tunnel boring machine, with shop drawings.
COUNTRY
Portugal
TONNAGE
22 ton
TEAM
1 senior design engineer
DURATION
20 days
SOFTWARE
Ansys Mechanical
Ansys Space Claim
Tekla Structures
Autodesk Robot

Tekla Structures model 3D detailed view of steel cables embracing the lifting device lift points.

Tekla Structures 3D detailed view of compression beams connections.

GA of the lifting device. Lifting areas in contact with steel cables where designed using special steel alloy 42CrMo4 as per EN-10250-3 quenched and tempered.

Assembly drawing of the lifting device main beams.

Assembly drawing of lifting device compression beams.

Ansys Mechanical model– Von Mises stress.

Ansys Mechanical model– Von Mises stress – Detailed view.

Sub-modeling with improved mesh quality for detailed analysis.

Sub-modeling with improved mesh quality for detailed analysis – Bolts mesh detailed.

Sub-modeling with improved mesh quality for detailed analysis – Von Mises with hot spot maximum points.

Von Mises hot spots on welds.

Weld’s throat analysis as per EN 1993-1-8.

Von Mises stress analysis on splice plates with pre-loaded bolts.

Real footage of the lifting device during erection of the boring machine.