Civil Engineering Division Enppi

Transcription

1 Enppi

2 Definition Fiber Reinforced Polymer (FRP) Composites are defined as: A matrix of polymeric material that is reinforced by fibers or other reinforcing material

3 Definition FRP Fiber Matrix Carbon Aramid Glass Resin Filler Additives Polyester Epoxy Aluminum Thihydrate Wollastonite

4 Types of Fiber Property Carbon Aramid Glass Strength Excellent Good Low Ductility low Good Excellent Weight Light Medium Heavy Electric Resistance Low Good Excellent Price Expensive Moderate Affordable

5 Fiber Orientation

6 Mechanical Properties

7 FRP VS Steel

8 FRP Products FRP Rods FRP Rolled Sections

9 FRP Products (cont d) FRP Sheets FRP Laminates

10 FRP Applications in Structural Eng. 1- Concrete Slab Reinforced with FRP Rods

11 FRP Applications in Structural Eng. 2-FRP Rolled Sections

12 FRP Applications in Structural Eng. 3-FRP Grating

13 FRP Applications in Structural Eng. 4- Strengthening

14 Strengthening using FRP Why Strengthening? To Change buildings function. Error in construction or design of member. To replace corroded reinforcement. To improve seismic resistance. Reinforcement around openings through floor slabs & walls.

15 Strengthening using FRP Methods of Strengthening Traditional Using FRP

16 Traditional Strengthening Method

17 Traditional Strengthening Method

18 Strengthening Using FRP The speed and ease of installation

19 Strengthening Using FRP The speed and ease of installation (cont d)

20 Strengthening Using FRP The ease of Shape Fitting

21 Strengthening Using FRP Fiber composite material are available in very long lengths.

22 The use of FRP does not increase the dimensions of the members. Strengthening Using FRP

23 Strengthening Using FRP RC- beam Flexure strengthening The strength were increased by 40%.

24 Strengthening Using FRP Flat Slab Strengthened in +ve Flexure Moment

25 Strengthening Using FRP Highway RC bridge slab The ultimate Strength increased by 20%.

26 Strengthening Using FRP Flat Slab in ve Flexure Moment (cont d)

27 Strengthening Using FRP The ultimate beam capacity for strengthened beams increased by 30%.

28 Strengthening Using FRP Using Inclined FRP Sheets

29 Strengthening Using FRP Column Wrapping with FRP To enhance concrete strength and deformation permission.

30 Strengthening Using FRP Bridge Column Strengthening

31 Strengthening Using FRP Off shore Column Strengthening

32 Strengthening Using FRP Strengthening Using NSM Technique

33 Strengthening Using FRP Strengthening Using NSM Technique (cont d)

34 Codes for Strengthening with FRP Egyptian code ACI 440-2R-08

35 Applications of FRP in Egypt Central Bank- slab Strengthening due to increase of loading

36 Applications of FRP in Egypt Smart Village- Slab Strengthening

37 Applications of FRP in Egypt El-Ahly Bank - Wrapping System for Columns

38 Applications of FRP in Egypt Nile Ritz Carlton Hotel

39 Advanced Strengthening Method FRP in Summary:- 1- High Stiffness to weight ratio (Carbon, Aramid, Glass). 2- High Strength (Carbon, Aramid, Glass). 3- Corrosion Resistance. 4- Energy Absorption on impact (Aramid, Carbon, Glass). 5- Cost (Glass, Aramid, Carbon). 6- Weight (Carbon, Aramid, Glass). 7- Moisture Resistance (Glass, Aramid, Carbon).

40 Thank You