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Site Report 2
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New Construction of Highway with Several Bridges
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Contract for “Compact Asphalt Pavement”:
New construction of the B 178 (n) federal highway near Löbau, Saxony, Germany
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Several bridge structures were located along the highway. On some of the bridges, hot mix needed to be placed, too, however only 4cm surface course on mastic asphalt.
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That paving on the bridge decks was possible at all was due to a unique advantage offered by the VÖGELE InLine Pave® concept. Thanks to the paving train’s modular design, the MT 1000-1 IP Mobile Feeder and the SUPER 2100-2 IP paver for binder course could stop working and pass over the bridge, leaving the paver for surface course behind. This paver placed surface course in the required thickness of 4cm and in the conventional manner on the bridge deck. After the bridge, the entire InLine Pave® train resumed work and continued paving “hot on hot”.
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On other stretches of the B 178 (n) highway, the pavers were not allowed to access the bridges, as construction work had not yet been completed. In these places, too, the modular InLine Pave® concept displayed its unique advantage. Every single machine of the InLine Pave® train was able to leave the highway by travelling down the embankment, without any prior conversion, and by-pass the bridge. As an InLine Pave® team, they resumed work right after the bridge.
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Tests were also conducted to show how deep the paver for surface course sank into the binder course. The sinking depth was between 0.3 and 0.8cm, resulting in an average of 0.65cm. The imprints left by the paver had no adverse effects upon the asphalt pavement’s quality.
The Bautzen Authorities for Road Construction letting the contract and represented by civil engineer Jürgen Israel, accepted the pavement without objection.
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Job Site Details
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Length of section: 2 x 5.9km
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Area in square metres: 88,500m²
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Contractor:
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Strabag AG Direktion Strassenbau Sachsen
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Paving Details
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Pave width:
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2 x 7.5m
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Binder Course
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Layer thickness:
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10cm
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Material:
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binder course mix (Abi 0/22 S)
with binder (PmB 45 A)
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Surface Course
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Layer thickness: |
2cm
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Material:
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stone mastic asphalt (SMA 0/8 S)
with binder (PmB 45 A)
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