Contractors World International Vol 7 No 6
Inline Pave Train For Paving The Surface Course
Construction companies are hired to rehabilitate existing
roads much more frequently than to build new ones.
In addition to the conventional process of milling off
the surface and replacing the asphalt pavement, two
others exist that are gaining ground worldwide: paving
thin overlay on spray seal and the “hot on hot” paving
of compact asphalt pavements.
The company has now combined these two innova-
tions into one. The solution emerged with and for Rask
Brandenburg GmbH, a customer that has specialized
extensively in modern methods of rehabilitation.
The machines behind these modern methods of road
rehabilitation are the SUPER 1800-3i SprayJet paver (for
thin overlay) and the Vögele InLine Pave train (for com-
pact asphalt pavements).
The latter comprises aMT 3000-2i Offset PowerFeeder,
a SUPER 2100-3i IP for placing binder course and another
paver for the surface course.
The SUPER 1800-3i SprayJet had already clocked 600
operating hours, all of them spent on spray paver jobs,
i.e. “hot on hot” jobs using InLine Pave technology.
In the InLine Pave process, the binder and surface
courses are paved “hot on hot” in a single pass.
A Vögele MT 3000-2i Offset PowerFeeder with auto-
matic distance control ensures a continuous supply of
material. The paver operators can therefore concentrate
entirely on paving.
The central technological component of the InLine
Pave process is the SUPER 2100-3i IP for placing binder
Apart from the innovations of the latest “Dash 3”
paver generation, this advanced machine has an entirely
redesigned transfer module whose heated conveyor
system has been extended by 1m.
It transfers the mix for the surface course to the
downstream paver. At a defined point, the new transfer
module can easily be removed, a feature that boosts
the machine’s capacity utilization.
Equipped with an AB 600 TP2 Plus Extending Screed,
the SUPER 2100-3i IP places such a highly compacted
binder course that the surface course paver can travel
over it without prior rolling.
This is made possible by another core innovation:
high compaction technology with Vögele’s unique pulsed-
flow hydraulics. In this step, the asphalt is precompacted
during paving by a tamper and two pressure bars.
For Rask Brandenburg, Vögele adapted the technol-
ogy on the SUPER 1800-3i SprayJet in such a way that
the machine can take over the job of paving the surface
course in the InLine Pave train.
The machine operates here in the conventional man-
ner, i.e. not in spray mode. This is because the “hot on
hot” method achieves a perfect bond between layers
and strong interlocking, even without spraying bitumen
Machine technology passes acid
test in Berlin
After the surface course is paved (by the SUPER 1800-3i
SprayJet in the case of Rask), rollers are used as usual
to achieve final compaction.
A demonstration on the A 113 motorway in Berlin
proved just how well the high-tech machine systems
from Vögele work together: the paving train rehabilitated
several sections totalling 2 km in length, which were
opened to traffic on schedule at the end of the summer
•Joseph Vögele AG
Wor ldwide Panorama