HERRENKNECHT EPB SHIELD S-574 FOR HIGHWAY TUNNEL GALLERIA SPARVO.
PRODUCT PORTFOLIO OF HERRENKNECHT GROUP. MECHANIZED TUNNELLING TECHNOLOGY.
STEEP TUNNELLING. St. Petersburg 30 downhill EPB Shield Access metro station Limmern 40 uphill Gripper TBM Hydropower
DIRECT PIPE. Rheindüker Worms Germany AVN1000C Pipe Thruster Customer: Diameter: 1,326mm Max. torque: 150kNm Tunnel length: 464m HK250/500PT Pipeline diameter: 48 Max. pull / thrust force: 500 t Sonntag Baugesellschaft mbh & Co. KG
VERTICAL SHAFT SINKING. Naples Shafts for Metro Linie 1 Diameter max. 9,000mm 10 Shafts Inner diameter 4,500mm Depths up to 45m
HERRENKNECHT EPB TECHNOLOGY. SAFE MECHANIZED TUNNELLING IN SOFT GROUND. Operational principle and face pressure control 1 Tunnel face 4 Pressure bulkhead 7 Erector 2 Cutting wheel 5 Thrust cylinders 8 Segment lining 3 Excavation chamber 6 Screw conveyor
S-574 GALLERIA SPARVO. OVERVIEW. Machine Type: EPB Shield Excavation diameter: 15.615 mm Tot. length of machine: 130m Tot. installed power: 16.800 kw
2.700 TONS OF HIGHTECH. Shield machine: 2.700t Total weight incl. backup system: 4.500t
CUTTERHEAD DRIVE. 12 electric motors with 1.000 kw each 24 Hydraulic pumps able to displace up to 26.820 l/min 50 hydraulic motors each with a torque of 2.400 Nm Main drive weight completely assembled 400 tons Max working pressure 320 bar
TORQUE. Nominal torque: 94.800kNm Cutterhead power: 12.000kW Max. torque: 125.000kNm Cutterhead rotation speed: 2,16 rpm
THRUST FORCE. Normal operation: 315.000kN at 400bar Max. thrust force: 400.000kN at 500bar Advance speed 10 mm/min Illustration to be updated
CUTTERHEAD AND CUTTING TOOLS. Designed and aranged for optimized excavation: 76 disc cutters, 216 cutting knifes, 24 buckets, 1 center knife
EXCAVATING AND LINING THE TUNNEL. More than 957.000 m 3 to be excavated in total for two tunnel drives Ring division: 9+1 segments Ring length: 2m 2.500 rings with a total weight of 390.000t for 2 x 2.5km of tunnel
SCREW CONVEYOR. Max. speed: 22.5 rpm Max flow of excavated material: 1990 m³/h Length: 22,7 m Diameter: 1.600 mm Installed power: 2.000 kw
TAILSKIN. Double-shelled tailskin 3 lines of wire brushes + 1 line of spring steel plates 12 grout lines + 12 spare lines 19x3 grease lines
ROTARY UNIT 16 foam lines going to the cutting head New high pressure cleaning system for the foam lines (4 lines) 2 Copy cutters at 180 B.E.A.M. system
FIRE DAMP PROTECTION. Double-shelled belt conveyor pipe, gas tight
FIRE DAMP PROTECTION. Double-wall pressurized at 40 mbar to avoid gas leakage from the pipe CH4 sensors monitoring constantly the presence of gas Flushing mode to increase the ventilation into the pipe All the equipment in the pipe Ex-proof, at least IM2 class
FIRE DAMP PROTECTION. Void detection system in the excavation chamber Radar System Viscosity Detector
FIRE DAMP PROTECTION. Ventilation and gas monitoring systems accessible from the control cabin 13 gas sensors distributed over shield, backup and excavation chamber
FIRE DAMP PROTECTION. Redundant ventilation system (2 independent lines)
FIRE DAMP PROTECTION. Essential services (lights, communications, ventilation, gas monitoring system) IM2 Class Separate 15 kv line to supply all the Ex-proof equipment on the TBM
THANK YOU FOR YOUR ATTENTION.