This is about properties of concrete .Elastic properties of concrete is mentioned here.

1. CE 60
Instructor: Paulo Monteiro
Elastic Modulus of Concrete
• Introduction
• Testing
• Materials
• Poisson’s ratio

2. CE 60
Instructor: Paulo Monteiro
Introduction

3. CE 60
Instructor: Paulo Monteiro
Testing
Types of Elastic Modulus
ASTM Testing

4. CE 60
Instructor: Paulo Monteiro
Materials
• Water-to-cement ratio
• Aggregate Type
• Aggregate Content

5. CE 60
Instructor: Paulo Monteiro
Poisson’s ratio

6. CE 60
Instructor: Paulo Monteiro
Design Code
• ACI-318
• E = 33 w1.5 f 0.5

7. CE 60
Instructor: Paulo Monteiro
Creep of Concrete

8. CE 60
Instructor: Paulo Monteiro
Introduction

9. CE 60
Instructor: Paulo Monteiro
Reason

10. CE 60
Instructor: Paulo Monteiro
Importance

11. CE 60
Instructor: Paulo Monteiro
Effect of Mix Proportions
• Water-to-cement ratio
• Aggregate Type
• Aggregate Content
• Time and Humidity
• Geometry
• Temperature
• Magnitude of the applied stress

12. CE 60
Instructor: Paulo Monteiro
Effect of volume of aggregate

13. CE 60
Instructor: Paulo Monteiro
Effect of thickness

14. CE 60
Instructor: Paulo Monteiro
Effect of humidity

15. CE 60
Instructor: Paulo Monteiro
Effect of Geometry
1
1.5
2
2.5
0 100 200 300 400 500
50 % RH
70 % RH
90 % RH
CreepCoefficient,
RH
Theoretical Thickness (mm)

16. CE 60
Instructor: Paulo Monteiro
Concrete Creep

17. CE 60
Instructor: Paulo Monteiro
Concrete Relaxation

18. CE 60
Instructor: Paulo Monteiro
Summary

19. CE 60
Instructor: Paulo Monteiro
Summary

20. CE 60
Instructor: Paulo Monteiro
Summary