Strengthening method for exerting hooping force on columnar structure through multi-layer wound tension belt

Strengthening method for exerting hooping force on columnar structure through multi-layer wound tension belt

  • CN 103,835,520 A
  • Filed: 11/20/2012
  • Published: 06/04/2014
  • Est. Priority Date: 11/20/2012
  • Status: Active Application
First Claim
Patent Images

1. the reinforcement means that applies tightening force with multi-lay winding stretch-draw band coupled columns physique structure, comprises(1) that section of cylindrical body that will be wound around stretch-draw band carried out to surfacing, global shape, surface finish, surface cleanness degree, surface strength etc. are met the demands;

  • Surface treatment method is one of following method or some combinations, and to cylindrical body surface finish, polishing, removes spot and floating dust, increases surface strength;

    (2) stretch-draw band is wrapped on the described position of described structure, is wound around the number of turn and is more than or equal to 2 circles;

    (3) utilize tensioner, respectively pulling force is applied to the inner and the outer end of stretch-draw band, stretch-draw band is applied to pretightning force.

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