Construction—EMEA—Qatar—Bridges
The Education City People Mover System in Doha: DYWIDAG Post-
Tensioning Systems ensure environmentally friendly Transportation
Education City in the western outskirts of Doha, Qatar is a new, 14km² district with different educational
institutions. Approximately 1,300 students are enrolled at the 6 western universities of Education City.
In addition to the universities, the district also accommodates several educational facilities for children
and adolescents as well as research institutes.
Once all facilities have been completed,
the entire campus will be car-free. The different
institutes will be connected by a battery
operated, 11.5km long streetcar system with
26 stations. The People Mover System will
transport 3,300 passengers per hour in each
direction using a total of 19 trains.
A 915m long viaduct that accommodates
two parallel lanes and two stations is also part
of the new route. The tracks run at a height
of approximately 7.5m above ground level.
The viaduct consist of a total of 10 elevated
structures with 2 to 5 spans. The longest
elevated structures are 125 m long and consist
of five 25m spans.
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DSI Middle East W.L.L. was responsible
for installing, stressing and grouting the
post-tensioning tendons. 90 Type 22-0.62"
DYWIDAG Strand Tendons complete with
Type MA-A Stressing Anchorages and
Type MA-B Fixed Anchorages were used
for post-tensioning the viaduct. The tendons
were up to 125m long.
Furthermore, 680 unbonded, 40mm Ø,
St 950/1050WR, 2.20m long bar tendons
conforming to ETA 05/0123 and 680 40mm Ø,
St 950/1050WR DYWIDAG Rock Anchors
with double corrosion protection were used.
These systems served to anchor the steel
structures at the tram stops.
Owner
Qatar Foundation, Qatar
General Contractor
Joint Venture STC Siemens Tram
Consortium, consisting of Siemens
AG, Germany, Siemens WLL, Qatar
and Habtoor Leighton Group, Qatar
Contractor
Habtoor Leighton Group, Qatar
Architect
GRIMSHAW, USA
Consulting Engineers (Viaduct)
Halcrow Consulting Engineers &
Architects Ltd., Qatar
Consulting
WorleyParsons Ltd, Qatar
DSI Units
DSI Middle East, Qatar (formerly QACS) and
DYWIDAG-Systems International GmbH,
GBU, Germany
DSI Middle East Scope
Production, supply, installation, engineering
services, technical support, supervision
DYWIDAG Products
90 Type 22-0.62" DYWIDAG Strand Tendons,
680 unbonded, 40mm Ø bar tendons,
680 40mm Ø DYWIDAG Rock Anchors