Title

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U4 Wientalterasse

In 2014, a 70-metre long terrace and footbridge were erected in the area of the U4 Pilgramgasse station. We supported the entire construction phase and were responsible for continuous monitoring of the railway line with our DiMoSy monitoring system. DiMoSy controlled three tachymeters and one temperature sensor simultaneously. To show potential deformation, 15 profiles were defined for up to five points each that were measured at regular intervals.

Picture of the finished Wientalterasse in Vienna.

U4 Wientalterrasse, Vienna | AT

A DiMoSy controlled total station by Bogensberger Vermessung /Surveys is monitoring the rails of the U4 subway in Vienna.

DiMoSy - U4 Wientalterrasse, Vienna | AT

A DiMoSy geomonitoring system by Bogensberger Vermessung / Surveys monitoring the U4 subway line in Vienna.

DiMoSy - U4 Wientalterrasse, Vienna | AT

Monitored railway tracks of the U4 subway line in Vienna.

U4 Wientalterrasse, Vienna | AT

Profile

Field of activity: Geomonitoring
Location: Vienna | AT
Project period: 2014
Client: Swietelsky
Construction costs: €4.3 million
Tachymeters used: 3
Monitored measuring points: 90
Measuring interval: 2–60 minutes
Vibration sensors used: 2

Services

Creation of a reference point network
Staking out of detail points with high accuracy (construction support)
Construction work monitoring of rail tracks and revetments or dividing walls
Settlement measurements along profiles
Deformation measurements along profiles
Alarm plan

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