BRIDGES
DESIGN
Tahlia
Interchange
Bridges
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Taung
River
Bridge
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Saulsville Pedestrian Bridge
Diepsloot
Bridge
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Panbult
Interchange
Bridge
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Gautrain
Chestnut
Bridge
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Tiqah to
Mirbat
Bridges
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Skaug
Bridge
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Rolfs
Bridge
Ghobrat
Al Tam
Road
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Coleraine Road River
Bridge
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Main Road
Bridge
Tahlia
Interchange
Bridges
Location:
Saudi Arabia
Client:
Royal Haskoning DHV for the Municipality of Jeddah
Services:
Detail Design and Drawings
Two post-tensioned 4-span concrete box girder highway bridges with main span lengths of 60m.
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Taung River
Bridge
Client:
De Bruin and Associated for Department Public Works, Roads and Transport, North West Provincial Government
Services:
Detail design and drawings, project specifications and construction supervision
3 Span prestressed composite precast beam bridge over river.
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Saulsville
Pedestrian
Bridge
Client:
Hlanganani for the City of Tshwane
Services:
Detail design and documentation
The bridge is a 4 span bridge with the two internal spans crossing the railway tracks. The main deck consists of two prestressed precast composite T-beams with an insitu concrete topping. The deck is made continuous over the supports with insitu infill concrete diaphragm beams. The piers are rectangular columns thickened at the top to accommodate the elastomeric bearings.
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Diepsloot
Bridge
Client:
Hlanganani for Johannesburg Roads Agency
Services:
Detail design, drawings, project specifications and construction supervision
3 span prestressed composite precast beam bridge over river.
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Panbult Interchange
Bridge
Client:
Hlanganani for SANRAL
Services:
Detail design and documentation
The bridge is a 3 span continuous bridge with a post tensioned double cell box girder deck. The total deck length is 65.1m with a span configuration of 15m–34.2m–15m. The deck is supported on V-shaped piers monolithically connected to the deck. The piers are founded on a single row of piles. The abutments are spill through abutments founded on 2 rows of piles just below normal ground level.
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Gautrain
Chestnut
Bridge
Client:
Bombela Concession Company
Services:
Detail design, drawings and documentation
Extension of existing bridge over the Gautrain Rail Link.
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Tiqah to
Mirbat
Bridges
Client:
Renardet SA & CEEG Consultants, Oman
Services:
Detail design, drawings and documentation
1 ‘Wadi’ River Bridge, 5 interchange bridges and 1 underpass bridge.
The ‘Wadi’ bridge is a precast composite concrete bridge with a total length of 120m and span lengths of 30m. The composite decks are supported on piers consisting of two columns with a capping beam over the top. The foundations are a mixture of spread footing and piled foundations.
The interchange bridges are concrete post-tensioned box girder bridges supported on wall type piers and abutments.
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Skaug
Bridge
Client:
Rambøll, Norway
Services:
Detail modelling and design
3 span post tension concrete slab bridge over river on the E18 freeway in Norway.
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Rolfs
Bridge
Client:
Rambøll, Norway
Services:
Detail modelling and design
36m Long reinforced concrete river bridge.
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Ghobrat
Al Tam Road
Client:
Renardet SA & CEEG Consultants, Oman
Services: Detail modelling, design and contract documentation
A total of 5 ‘Wadi’ River Bridges
The ‘Wadi’ bridges are precast composite concrete bridges with lengths varying from 150m to 450m. The spans are standardized to a length of 30m. The composite decks are supported on piers consisting of two columns with a capping beam over the top. The foundations are a mixture of spread footing and piled foundations.
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Coleraine
Road River
Bridge
Client:
Allasso Construction for Johannesburg Roads Agency
Services:
Alternative design and drawings
Single span reinforced concrete bridge over river.
Superstructures provided a cost effective alternative design which was accepted by the client. The alternative deck design consisted of rectangular precast beams made composite with a cast insitu topping slab.
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Main Road
Bridge
Client:
Allasso Construction for Johannesburg Roads Agency
Services:
Alternative design and drawings
3 span reinforced concrete bridge over river.
Superstructures provided a cost effective alternative design which was accepted by the client. The alternative deck design consisted of rectangular precast beams made composite with a cast insitu topping slab.
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