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Port Said road tunnels

Project description

The dual carriageway tunnels are located 19 km south of Port Said city and are an important part of the Suez Canal Region Development Plan, which will connect the Sinai with other Egyptian provinces to provide a gateway for investment opportunities and speed up the development of Sinai province. The tunnels will comprise twin tube 3.8 km tunnels with a further 800 m of cut and cover tunnel at each side of the Suez Channel. Tunnel boring was carried out using two slurry shield
TBMs with 13.05 m excavated diameter. The clear space between the tunnels is 30 m at the start of tunnelling, reducing to 17.4 m with increasing cover and improved ground conditions. The tunnels have a maximum overburden of 47 m, with a minimum clearance of 18 m below the seabed. Both launching shafts were constructed as five intersecting circular shafts with 25 m diameter.

Place: Port Said; Egypt

Client: Arab Contractors – ORASCOM / W&F

Performance period: 2015 – 2020

GEODATA services:

We supplied all the geotechnical instrumentation for the project and organised and trained the local measurement team for installation, measurement execution and evaluation on site. The measurement program mainly included inclinometers, piezometers and levelling at the surface, 3D displacement measurements in the shafts, the C&C and TBM tunnels. Strain gauges were used in the segments and on the support elements of the open cut tunnels. Our software solutions EUPALINOS and KRONOS were used to evaluate and visualize the measurement results.

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