Bridge launching equipments and techniques used during construction

1
TYPES OF
BRIDGE
LAUNCHING
EQUIPMENTS TECHNIQUES
Businesses involved in the construction industry
try to find innovative means to build bridges
with different types of equipment and methodology
that may accelerate the bridge launching process.
This is beneficial as it increases the strength
and life-cycle of bridges. Some such bridge
launching equipment and techniques are mentioned
below
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2
BEAM LAUNCHER
Bridges that make use of beams are one of the
simplest to build. Beam bridges are not suitable
for long distances, as they are supported
directly at the end by abutment. The most common
forms that use beams are the large box girder
bridges. If construction companies still wish to
use these bridges they need to have a continuous
series of them and also crane lifting equipment.
3
CANTILEVERS
Cantilever structures are anchored only at one
end. One of the greatest advantages of using
cantilevers for bridges is that they can be built
without false works below or even temporary
supporting towers above. Some of the examples of
bridges made with cantilevers are the Fourth
Bridge in Scotland, Howrah Bridge in India,
Quebec Bridge in Canada, etc.
4
INCREMENTAL LAUNCHING
This method is mostly being used by businesses
when constructing bridges, which have decks
greater than 250 m in length. In this technique,
the bridge deck is built on the ground, and then
pushed across with the abutments towards the
piers . Some of the benefits are it accelerates
the speed, easy access, safety etc.
http//bygging-uddemann.co.kr/heavy-lifting/