Successful commercial application of BEAM® is realized since 2000. In total 65 international TBM tunnel projects with a total length of more than 200 km were accompanied driving in hard rock, soft ground as well as in mixed ground till April 2016.
Following some selected references in different geology and countries.
United Arab Emirates
5 EPB-TBMs Herrenknecht, each Ø 6.34 m
Geology: dolomitic mudstones/ claystones, siltstones, gypsum, silt, clay
Exploration targets: water-bearing cavities and karst zones of increased permeability
DS Gripper TBM Wirth, Ø 6.3 m
Geology: gneisses, granite, diabas dykes
Exploration targets: water-bearing fault and fracture zones
4 EPB-TBMs Herrenknecht, each Ø 6.7 m
Geology: gravel/sand, clay/silt and pyroclastics
Exploration targets: water-and air-filled cavities, archaeological remains
DS-TBM Herrenknecht,, Ø 9,50 m
Geology: limestones and dolomites
Exploration targets: detection and location of water-bearing zones/ karst zones and cavities.
EPB-TBM Herrenknecht, Ø 15.55 m
Geology: unconsolidated weathered complex ophiolitic geology with nappe structures
Exploration targets: fault zones, differentiation between arenitic and argilitic/pelitic lithology
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