FOR HIGHWAY TUNNEL GALLERIA SPARVO.

Transcription

1 HERRENKNECHT EPB SHIELD S-574 FOR HIGHWAY TUNNEL GALLERIA SPARVO.

2 PRODUCT PORTFOLIO OF HERRENKNECHT GROUP. MECHANIZED TUNNELLING TECHNOLOGY.

3 STEEP TUNNELLING. St. Petersburg 30 downhill EPB Shield Access metro station Limmern 40 uphill Gripper TBM Hydropower

4 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

5 VERTICAL SHAFT SINKING. Naples Shafts for Metro Linie 1 Diameter max. 9,000mm 10 Shafts Inner diameter 4,500mm Depths up to 45m

6 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

7 S-574 GALLERIA SPARVO. OVERVIEW. Machine Type: EPB Shield Excavation diameter: mm Tot. length of machine: 130m Tot. installed power: kw

8 2.700 TONS OF HIGHTECH. Shield machine: 2.700t Total weight incl. backup system: 4.500t

9 CUTTERHEAD DRIVE. 12 electric motors with kw each 24 Hydraulic pumps able to displace up to l/min 50 hydraulic motors each with a torque of Nm Main drive weight completely assembled 400 tons Max working pressure 320 bar

10 TORQUE. Nominal torque: kNm Cutterhead power: kW Max. torque: kNm Cutterhead rotation speed: 2,16 rpm

11 THRUST FORCE. Normal operation: kN at 400bar Max. thrust force: kN at 500bar Advance speed 10 mm/min Illustration to be updated

12 CUTTERHEAD AND CUTTING TOOLS. Designed and aranged for optimized excavation: 76 disc cutters, 216 cutting knifes, 24 buckets, 1 center knife

13 EXCAVATING AND LINING THE TUNNEL. More than m 3 to be excavated in total for two tunnel drives Ring division: 9+1 segments Ring length: 2m rings with a total weight of t for 2 x 2.5km of tunnel

14 SCREW CONVEYOR. Max. speed: 22.5 rpm Max flow of excavated material: 1990 m³/h Length: 22,7 m Diameter: mm Installed power: kw

15 TAILSKIN. Double-shelled tailskin 3 lines of wire brushes + 1 line of spring steel plates 12 grout lines + 12 spare lines 19x3 grease lines

16 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

17 FIRE DAMP PROTECTION. Double-shelled belt conveyor pipe, gas tight

18 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

19 FIRE DAMP PROTECTION. Void detection system in the excavation chamber Radar System Viscosity Detector

20 FIRE DAMP PROTECTION. Ventilation and gas monitoring systems accessible from the control cabin 13 gas sensors distributed over shield, backup and excavation chamber

21 FIRE DAMP PROTECTION. Redundant ventilation system (2 independent lines)

22 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

23 THANK YOU FOR YOUR ATTENTION.