Bridges, Supporting structures, Infrastructure
Building category
Earth- and soil engineering, Solid construction
Construction method
Detail planning, Planning of structural framework, Tender offer
Performed services
Inland
Region
July 2019
Processing time from
June 2020
Processing time until
DI Georg Wallner
Project manager
DI Rudolf Pernkopf
Substitute project manager
DI Katharina Thomson, Anna Montibeller
Project team member
ASFINAG Bau Management GmbH
Client
T-beam bridges
Type of bridge
3
Number of fields
50,00 m
Maximum span
96,00 m
Length of bride
1.045,00 m²
Expanse of bridge
Description of project
Extensive maintenance works of the road surface and bridges took place on the S06 Semmering dual carriageway in the district of Oberaich – Niklasdorf, km 83.824 – km 88.770, both lanes. Our order comprised the following points:
- Planning and structural processing of existing bridges:
General refurbishment respectively semi-integralisation of 15 existing bridges
The bridges had a length between 5.90 m and 96.50 m and up to three fields with span widths between 5.60 m and 50 m. The overall area of the bridges was between 56.10 m2 and 1,045 m2. The bridges were built as loosely reinforced slabs, loosely reinforced or prestressed t-beams or as prestressed concrete box girders.
- Planning open track and optimized design specification
- S06 km 83,824-88,770, both lanes
- Junction Bruck West, ramp B, C and D
- Semi-junction Niklasdorf, ramp A and B
Description of task
The tasks included the planning of the call for bids/general design, developing of documents for call of bids as well as execution planning/detailed project.
Technical scope of work regarding bridges:
- Renewal of road surface, bridge sealing and renewal of drainage system (sealing and surface drainage, collecting pipes)
- Edge beam including road restraint system and fall protection, partially noise barrier
- Renewal of expansion joints (resp. partially cleansing of expansion joints)
- Reconstruction/corrosion protection of bearings
- Concrete overhauling
- Partially semi-integralisation of bridges
Technical scope regarding open track:
- As-build surveying by ADP Rinner ZT GmbH
- Profound reconstruction of superstructure on both lanes
- Overhauling of ramps at the junctions
- Asphalting of central reserve
- Adjustment of road restraint system
- Renewal of veterinary fence, renewal of signposting
- Lettering on bottom
Technical scope of anchor wall Oberaich (sub planning GDP ZT GmbH):
- Construction of ferroconcrete anchor beams
- Replacement of existing anchorage by new strand anchors (permanent free spin anchor, 30 m – 35 m length)
- Measures for water discharge
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