Abstract
Fiber Reinforced Polymer (FRP) has shown advantages of corrosion-resistance, high strength, nonmagnetic, fatigue-resistance and so on. Optical Fiber Bragg Grating (OFBG) is now widely accepted as smart sensor due to its advantages of electric-magnetic resistance, small size, distributed sensing, durability, and so on. Combined the FRP with OFBG, new kind of smart FRP-OFBG composite oars were developed, and their properties of mechanics, micro-structures and sensing properties were studied. Furthermore, the FRP-OFBG reinforced concrete beams under static load were tested and the distribution strain of the FRP bars and the cracking of concrete were monitored, especially the slip between FRP bars and concrete. The experimental results show that FRP-OFBG can be conveniently used in reinforced concrete structures as sensors as well as reinforcing bars.
| Original language | English |
|---|---|
| Pages (from-to) | 23-28 |
| Number of pages | 6 |
| Journal | Gaojishu Tongxin/Chinese High Technology Letters |
| Volume | 15 |
| Issue number | 4 |
| State | Published - Apr 2005 |
| Externally published | Yes |
Keywords
- FRP
- FRP-OFBG bar
- Optical FBG
- Reinforced concrete beam
- Structural health monitoring
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