polymer fiber use

1. UTILIZATION OF POLYMER FIBER
REINFORCED CONCRETE PAVEMENT
submitted by
Harshil.G.patel
Guide by
Mr.Jasmin Gadhiya
Uka Tarsadiya University

2. CONTENTS:--
• Introduction
• Fiber reinforced concrete
• Polymer fiber reinforced concrete
• Design and operation
• Literature review
• Conclusion
• References

3. • The traditional system of bituminous pavements is widely used
in our country.
• Bitumen is a by product of petroleum which is depleting day by
day.
• Locally available cement concrete is a better substitute to
bitumen.
• Concrete – Low Impact and Abrasion Resistance .
• The perfect solution would be polymer fiber reinforced
concrete pavements.
Introduction

4. Cont…
• Fiber reinforced concrete pavements are more efficient than
ordinary cement concrete pavement.
• Fibers generally used in cement concrete pavements are steel
fibers and organic polymer fibers such as polyester or
polypropylene.
• This proves to be an environment friendly method .

5. FIBER REINFORCED CONCRETE

6. HISTORY OF FIBER REINFORCEMENT
• Roman Coliseum was built in 80 AD,
used horse-hair as secondary
reinforcement.
• Tipu Sultan’s palace at Srirangpattnam
has been built with Sheep’s wool.
• A Pueblo house built in 1540 with
straw reinforcement adobe brick is
believed to be the oldest house in USA.
• Use of horsehair in plaster has many
historical references.

7. Fiber Reinforced Concrete
• “FRC is defined as a composite material consisting of
concrete reinforced with discrete randomly but uniformly
dispersed short length fibers.”
• Fibers are generally discontinuous, randomly distributed
through out the cement materials.
• Enhances flexural and tensile strength of the concrete.
• Fibers may generally be classified into two: organic and
inorganic.

8. Contd. ….
• Volume fraction – measure of fiber in concrete.
• Typically ranges from 0.1 to 3%.
• Aspect ratio - fiber length (l) divided by its diameter (d).

9. Types of F.R.C.
1. SFRC - Steel Fiber Reinforced Concrete.
1. GFRC - Glass Fiber Reinforced Concrete.
2. SNFRC - Synthetic Fiber Reinforced Concrete.
3. NFRC - Natural Fiber Reinforced Concrete.

10. POLYMER FIBER REINFORCED
CONCRETE

11. POLYMER FIBER REINFORCED CONCRETE
(PFRC)
• It comes under the category of Synthetic FRC.
• Mainly preferred due to its cost effectiveness and zero
corrosion risk.
• This method has been recognized and approved by BIS, IRC
and various national bodies.

12. Why PFRC for pavements?
• Crack arresters-restricting the development of cracks .
• flexural strength and tensile strength of concrete.
• Improved early resistance to plastic shrinkage cracking.
• Improved durability and reduced surface water permeability
of concrete.
• Reduces the risk of plastic settlement cracking over rebar.

13. Cont. ….
• smooth finishing.
• Reduced bleeding of water to surface during concrete
placement.
• Improves the homogeneity of the concrete matrix.
• Reduced water absorption.
• Greater impact resistance.

14. The two components of PFRC
1) Concrete Mix
• The code IRC: 44-2008 – For cement concrete mix designs
for pavements with fibers.
• In presence of fly ash – cement savings upto 35%.
• Flexural strength- 40 MPa at 28 days.

15. Concrete mixing plant

16. 2) Polymer fibers
• Recron 3S, Polypropylene, Forta ferro, Forta econo net.
• Recycled polymer waste from plastic, carpet industry, textile
industry, disposed tires.
• Size 12mm long and 0.045 mm diameter.
• Mixed at the rate of 900gms/m3 of concrete.

17. Various polymers used in PFRC

18. Design and
operation

19. PAVEMENT DESIGN
Cross section of a typical PFRC pavement

20. PAVING OPERATION
The figure shows fully mechanized pavement construction

21. REQUIREMENTS FOR PAVING OPERATIONS
1) Use of microfilm or antifriction layer of 125 micron in between PFRC
and DLC layers.
2) The DLC layer is to be swept clean before applying microfilm .
3) Film is nailed to the DLC layer without wrinkles and holes.
4) Concreting work in hot weather should be carried out in early or later
hours.
5) The laying temperature of concrete should always be below 35
degree Celsius.

24. CURING
• Membrane curing is used.
• Texture-cum-curing machine performs the task.
• The resin based curing compound is used at the rate of 300
ml per square meter of the slab area.
• After about 1.5 hours cloth is spread, covered with curing
compound spray.
• Water curing by keeping the Hessian moist by sprinkling
water is ensured for 3 days.

25. Completed PFRC pavement

26. PROTECTION AND MAINTENANCE
• Test are to be conducted on fine and coarse stone aggregates,
water, cement, granular sub base, DLC etc as per standards
and specification published by Indian roads congress.
• No vehicular traffic until the completion of 28 days of curing,
sealing of joints and completion of paved shoulder
construction.

27. Advantages of PFRC
• PFRC roads are highly impermeable to water.
• Implementation of sensors in roads will be easier.
• Environmental load of PFRC pavement was found to be
significantly lower.
• Maintenance activities are reduced.
• Impermeable and more durable, skid resistant pavement.

28. Cont. ….
• Fibers reduce plastic shrinkage and substance cracking.
• Improved abrasion resistance and impact resistance.
• Ductile and flexural toughness of concrete.
• Cement saving up to 10%
• Improve durability of concrete

29. Disadvantages of PFRC
• Fibers which are too long tend to “ball” in the mix and create
workability problems.
• The use of PFRC, being a relatively new technology and high
initial cost of construction.
• In case the road breaks, the whole concrete slab needs to be
replaced.

30. APPLICATIONS OF PFRC
• Slab On Grade.
• Structural Concrete.
• Water retaining Structures.
• Water proofing in rooftops, sunken toilets, etc.

31. LITERATURE REVIEW

32. Literature review
AUTHOR YEAR TITLE PUBLICATION
Ratan Kharatmol,
Pankaj Sananse
June 2014 Strengthening of
Beams Using Carbon
Fibre Reinforced
Polymer
International Journal
of Emerging
Engineering Research
and Technology
Priyanka Sarker,
Mahbuba Begum
July, 2011 Fiber reinforced
polymers for
structural retrofitting.
Journal of civil egg.

33. AUTHOR YEAR TITLE PUBLICATION
Dr. Gopal Rai
Yogesh Indolia
May,2011 fiber reinforced
polymer composites,
a novel way for
strengthening
structures
National Conference
on Repair and
Rehabilitation of
Concrete Structures
A.A. Abdul Samad ,
Blkasem. S Elrawaff
Feb 2013 Use of Carbon Fiber
Reinforced Polymer
Laminate for
strengthening
reinforced concrete
beams in shear
International
Refereed Journal of
Engineering and
Science (IRJES)

34. CONCLUSION
• PFRC can be used over normal concrete pavement.
• PFRC requires specific design considerations and construction
procedures to obtain optimum performance.
• Reduction in maintenance and rehabilitation operations,
makes PFRC cheaper than flexible pavement .
• Promote effective disposal of non bio-degradable synthetic
fibers.
• A new hope to developing and globalizing the quality and
reshaping the face of the “True Indian Roads”.

35. TURN POLLUTION INTO SOLUTION

36. REFERENCE
[1]. Ratan Kharatmol, Pankaj Sananse ,june 2014, “Strengthening
of Beams Using Carbon Fibre Reinforced Polymer”
Volume 2, Issue 3
[2]. Priyanka Sarker, Mahbuba Begum
July 2011,” Fiber reinforced polymers for structural retrofitting: A
review”
[3]Dr. Gopal Rai Yogesh Indolia may 2011 “FIBER REINFORCED
POLYMER COMPOSITES,A NOVEL WAY FOR STRENGTHENING
STRUCTURES”.
[4]A.A. Abdul Samad , Blkasem. S Elrawaff february 2013” Use of
Carbon Fiber Reinforced Polymer Laminate for strengthening
reinforced concrete beams in shear”. Volume 2, Issue 2.
[5]. Gopal Krishna, July 2007,”Key role of chemical admixtures
for pavement quality concrete”, NBM&BW vol 13, pp166-169.