Tendon of wrapping mortar on it in advance and bonded in later

Tendon of wrapping mortar on it in advance and bonded in later

  • CN 1,696,447 A
  • Filed: 05/10/2004
  • Published: 11/16/2005
  • Est. Priority Date: 05/10/2004
  • Status: Active Application
First Claim
Patent Images

1. , binding prestress reinforcement behind a kind of pre wrapping mortar, comprise steel strand (1), back bonding slurry (2), sheath (3), steel strand (1) are arranged in the sheath (3), be filled with back bonding slurry (2) between steel strand (1) and the sheath (3), the inner surface that it is characterized in that sheath (3) is provided with concave configuration (4), simultaneously, the external surface of sheath (3) also is provided with convex configuration (5), convex configuration of external surface (5) and inside and outside nestable the forming of inner surface concave configuration (4).

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