ENGLISH METHOD OF TUNNELING - KPSTRUCTURES.IN

ENGLISH METHOD OF TUNNELING

In This Article We Covers English Method Of Tunneling In Soft Ground.

FACTOR AFFECTING THE CHOICE OF A METHOD

  • SIZE OF TUNNEL
  • TYPE OF GROUND
  • AVAILABLE EQUIPMENT
  • METHOD OF SEQUENCE OF EXCAVATION

ENGLISH METHOD

English Method Involves Use Of A Lot Of Timber And Frequent Shifting For Heavy Timber Logs Back And Forth Is Greatest Disadvantage Of This Method.

The Main Characteristic Of This Method Is Excavation Of Full Section Of The Tunnel At Once Using Longitudinal Strutting And Alternate Of Masonry Work And Excavation.

SEQUENCE OF OPREATION

Top Head Driven Up to 5 Meter.

It Supported On Crown Bars.

Then Widening Of The Heading, Then Done By Digging Away The Earth At Each Side.

Then Started Excavation Of Part -2 And Put The Sill.

Part -3 In Same Manor And Started Masonry.

English Method Of Tunneling

ADVANTAGES OF ENGLISH METHOD OF TUNNELING

  • Simple Method Of Hauling Can Adopted.
  • The Lining Built In One Piece From Foundation To Crown And It Thus, Grants Strong And Homogenous Construction.

DISADVANTAGES OF ENGLISH METHOD OF TUNNELING

  • Use Of Lots Of Timber.
  • Process Are Slower Due To Alternate Of Excavation & Masonry.
  • Another Mason And Excavators To Work Alternatively And Thus The Process Required More Time As Compared To Other Methods.

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