Trolleys for executing bridge decks and wide span compressive arches using the successive bolt method. Advances of 5 metres or more in special cases.
- Large span viaducts.
- Successive cantilever trolley with hydraulic, mechanical and fixed superelevation adjustment.
- In constant and variable section type.
- With vertical or inclined side wall type.
- Mounting with crossmember for first laying on stack head.