Improved Reliability of Fiber Optic Overhead Cables with an Application of FRP (Fiber Reinforced Plastic)-Rods with S2-Glass

Abstract

In optical fiber overhead cables FRP-rods (Fiber reinforced plastic-) are used as strength members because of their low weight and their indifference to electromagnetic influence. First tests were carried out with E-glass-rods. After two years field tests we found a strength reduction of the FRP-rods of about 20 %, caused by acid rain entering through some damages in the sheath. This strength reduction could be simulated in laboratory tests by soaking FRP-rods under bending strain in room temperature acid solutions. A comparison of E-, R- and S2-glass-rods at 0.5 % elongation showed a 200 times longer durability for R- and S2-glass rods. Therefore optical overhead cables with an armouring of FRP-rods containing R- or S2-glass show significant improvements in performance. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1986
Accession Number
ADP005243

Entities

People

  • Albert Hoevel

Tags

DTIC Thesaurus Topics

  • Acid Rain
  • Buildings And Structures
  • Elongation
  • Fibers
  • Field Tests
  • Laboratory Procedures
  • Laboratory Tests
  • Materials Laboratories
  • Optical Fibers
  • Reliability
  • Research Facilities
  • Resilience

Readers

  • Computer Networking
  • Optical Fiber Sensing and Electromagnetic Propagation.
  • Surface Coatings Technology.