Civil Engineering Reference
In-Depth Information
Zeeuwsch-Vlaanderen
The route of the channel crossing connects at the southern bank onto the N61.
The connection onto this east-west crossing in Zeeuwsch-Vlaanderen provi-
sionally takes place via a roundabout, but in the future - for an increased
amount of traffic - the intention is to carry out this connection through an
overpass with viaducts. The route runs northwards west of the canal zone of
the Gent-Terneuzen canal. The positioning of the route is determined here by
the presence of the DOW Benelux industrial complex on the one side and the
locks complex of Terneuzen with lock approach and possible future extensions
on the other side. Prior to the road passing the so-called surrounding dyke
around the access ramp at a height of 6.5 metres
NAP, it crosses the railway
line going to and from the DOW complex which is situated at surface level. For
this overpass intersection - the road runs under the railway line - a special
viaduct was constructed in the form of a cable suspended U-shaped bridge.
The surrounding dyke around the access ramp protects the tunnel against
floods from the polder located in the rear. On the other hand the dyke pro-
tects the polders on both sides of the tunnel if the tunnel should fill up. After
crossing the surrounding dyke the road declines into the tunnel access ramp
at a maximum gradient of 4.5%.
Zuid-Beveland
Fig. 3.2
Cable suspended
U-shaped bridge
Coming from the tunnel, the road inclines onto the northern bank at a maxi-
mum gradient of 4.5% to pass the dyke which here too surrounds the access
ramp (6.5 metres
NAP). At Zuid-Beveland the positioning of the route situ-
ated at the surface level is mainly determined by a mud flat outside the dyke
on the one side, and the culture-historically important polders in Zuid-
Beveland on the other side of the road.The road intersects - for the most part
on the same level - the railway to the Sloe area, a number of local roads and
waterways and connects onto the N254 slightly to the south of Middelburg.
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