GLASSES-TYPE SHIELDING WORKS-AN EXECUTION AT SHIN-OCHANOMIZU STATION OF CHIYODA SUBWAY LINE

THE METHOD USED TO CONSTRUCT AN UNDERGROUND RAILWAY STATION ON THE CHIYODA LINE IN TOKYO IS DESCRIBED. A GLASSES-TYPE SHIELD WAS USED TO JOIN TWO 7.74M.DIAMETER CIRCULAR SHIELDS WITH REINFORCED CONCRETE BEAMS AND SLAB TO FORM AN ISLAND PLATFORM 9M.WIDE. THE SHIELD CONSISTED OF DUCTILE CAST IRON SEGMENTS WHICH FORMED A CENTRAL SECTION OF HIGH RIGIDITY. DETAILS OF EXCAVATION AND SHIELD CONSTRUCTION ARE GIVEN. /TRRL/

  • Corporate Authors:

    Civil Engineering /Japan

    ,    
  • Authors:
    • Ichimura, M
    • WATANABE, T
  • Publication Date: 1970

Language

  • English

Media Info

  • Features: Figures; Photos; Tables;
  • Pagination: p. 111-21
  • Serial:
    • Volume: 9

Subject/Index Terms

Filing Info

  • Accession Number: 00210225
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: TRIS
  • Created Date: Jan 11 1974 12:00AM