diamond crossoverとは 意味・読み方・使い方

名詞

diamond crossover (plural diamond crossovers)

1. (rail transport) superimposed pair of railway crossovers, resembling a letter X, permitting to travel in either direction between a pair of parallel tracks
   • 1916, Lee O. Kellogg, editor, Details of Practical Mining‎, page 458:

     "In 15 is illustrated the diamond crossover, one of the many kinds in common use."

   • 1955, L.T.C. Rolt, Red for Danger: A History of Railway Accidents and Railway Safety Precautions‎, page 104:

     "It travelled on until the bogie fouled a diamond crossover at the north end of the station where derailment became complete."

   • 1956, Robert William Abbett, American Civil Engineering Practice‎, page 2:

     "Increased height is necessary when scales or a double hump lead with diamond crossover is placed on the descending slope of the hump."

   • 1958, S. Kip Farrington, Railroads of the Hour‎, page 230:

     "A diamond crossover provides each track with access to the entire yard."

   • 1995, Institution of Civil Engineers (Great Britain), The Channel Tunnel, →ISBN, page 20:

     "Each chamber contains a diamond crossover designed for 60 km/h running."

   • 2002 August, Paul Jannotti, “Thinking outside the box on light rail: Hudson-Bergen project”, in Railway Track and Structures:

     "The closed-deck ballasted bridge is double-tracked and opens up to a third track through a combination diamond-crossover and double-slip switch before it reaches the bulkhead on the Hoboken side."

   • 2004 — U.S. Federal Register, v. 69 #101, May 25, 2004, p. 29780.

     "The reason given for the proposed changes is that the crossover and switches were installed to replace a diamond crossover. The BNSF is taking their north connecting track out of service, so the control point with the crossover is no longer needed."

   • ~2005 — Robert Ferreira, "North Springs Branch", in "MARTA North Springs and Doraville Branches", http://world.nycsubway.org/us/atlanta/marta-northbranches.html.

     "In December, 1999 a new diamond crossover interlocking was placed into service at Medical Center."

同意語

• scissors crossover
• scissor crossover

上位語

• double crossover