Liebherr piling and drilling rig LRB 355 carries
out sheet piling work in Western Austria
A new piling and drilling rig from Liebherr was recently
applied close to its manufacturing site in Western Austria.
The LRB 355 was used by the Austrian construction company
Hilti & Jehle GmbH to carry out sheet piling work in Frastanz.
At its headquarters in the Austrian town of Frastanz, the
company Rondo Ganahl AG, which specializes in the production
of paper and packaging, is currently building a new high
bay warehouse and extension for logistics, as well as doing
modifications to existing facilities. Parts of the deep foundation
work were subcontracted to Hilti & Jehle GmbH by the
joint venture I + R Schertler/Tomaselli.
Sheet piling had to be performed on an area of 7,500 square
metres in order to lower the groundwater level by approximately
three metres and to secure the foundation pit. For this
purpose, the LRB 355 piling and drilling rig installed U-profile
sheet piles with lengths of 11 to 12 metres in the ground.
Piling and drilling rig features
The LRB has a robust undercarriage as well as long crawlers
that ensure a higher level of stability. Thanks for the parallel
kinematics, the piling and drilling rig has a large working
radius. A further advantage is the assembly of all winches
directly on the leader. On the one hand, this enables a clear
view of the main winch from the operator’s cab and, on the
other hand, ensures that the ropes do not move when the
leader is adjusted.
A particular highlight is the fuel efficiency of the 600 kW
V-12 diesel motor, which runs at a reduced speed of 1,700 U/
min. Moreover, using the eco-silent-mode, the engine speed
can be reduced to a predefined level. This enables a significant
reduction in both the fuel consumption and the noise
emission without impairing performance or efficiency.
In addition to sheet pile installation using a vibrator, the
LRB 355 is suitable for all common drilling methods, such as
drilling with Kelly equipment, full displacement tool or continuous
flight auger as well as for soil mixing operation with
hydraulic hammer.
“With the LRB 355 from Liebherr, we have a modern, topline
machine at our disposal. Thanks to its multifunctionality,
the quality of foundation work is imporved and, at the same
time, we are more flexible and can work more efficiently,” said
Markus Maehr from Hilti & Jehle.
INDUSTRY NEWS
LIEBHERR
A Liebherr LRB 355
installing sheet piles in the
Austrian town of Frastanz
CONTINUED ON PAGE 71
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