REMOTE-CONTROLLED CAISSON, WITHOUT CREW INSIDE, INSTALLS PIER FOUNDATION

A REMOTE-CONTROLLED CAISSON MACHINE HAS INSTALLED A 70- FOOT-DEEP CONCRETE BRIDGE PIER FOUNDATION IN ITS FIRST FIELD TEST AT THE KISO-GAWA BRIDGE UNDER CONSTRUCTION NEAR NAGOYA, JAPAN. ONE MAN CAN OPERATE THE EXCAVATION UNIT WITH A TEMPLATE-GUIDED UNIT IN THE CONTROL ROOM. TV CAMERAS AT THE BOTTOM MONITOR EXCAVATION AND TRANSMIT A PICTURE TO A SCREEN IN THE CONTROL ROOM. THE JAPANESE GOVERNMENT COMMISSIONED THE UNMANNED CAISSON-SINKING SYSTEM, OPERATIONAL DETAILS OF WHICH ARE EXPLAINED IN THE ARTICLE, AFTER TWO ACCIDENTS IN 1969 CLAIMED THE LIVES OF 19 WORKERS.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/08919526
• Publication Date: 1972-6-1

Media Info

• Features: Figures; Photos;
• Pagination: p. 17
• Serial:
  • Engineering News-Record
  • Volume: 188
  • Issue Number: 22
  • Publisher: McGraw-Hill, Incorporated
  • ISSN: 0891-9526

Subject/Index Terms

• TRT Terms: Automatic control; Bridge piers; Caissons; Excavation; Foundations; Installation; Remote control; Television cameras; Underwater construction
• Subject Areas: Bridges and other structures; Construction; Highways; Maintenance and Preservation;

Filing Info

• Accession Number: 00215565
• Record Type: Publication
• Files: TRIS
• Created Date: Apr 30 1973 12:00AM