1. Rigid Pavement Concrete

2. Transverse Cracking

3. Rigid Pavement Transverse Cracking Causes:  Slab longer than 15’ Slab Curl Curing

4. Rigid Pavement Transverse Cracking Causes:  Slab longer than 15’ Slab Curl Curing

5. Rigid Pavement Transverse Cracking Causes:  Slab longer than 15’ Slab Curl Curing

6. Rigid Pavement Transverse Cracking Cures:  Crack Sealing  Full-depth rigid repair  Dowel bar retrofit

7. Rigid Pavement Longitudinal Cracking

8. Rigid Pavement Longitudinal Cracking Causes:  Waiting too long to cut center joint

9. Rigid Pavement Longitudinal Cracking Causes:  Waiting too long to cut center joint  Subsoil settlement

10. Rigid Pavement Longitudinal Cracking Causes:  Waiting too long to cut center joint  Subsoil settlement

11. Rigid Pavement Longitudinal Cracking Causes:  Waiting too long to cut center joint  Subsoil settlement Meander cracks

12. Rigid Pavement Longitudinal Cracking Cures  Joint Sealing  Full Depth replacement  Subsurface stabilization

13. Rigid Pavement Pumping

14. Pumping Causes:  Water  Fines  Lack of load transfer  Loading

15. Rigid Pavement Pumping Causes:  Water  Fines  Lack of load transfer  Loading

16. Rigid Pavement Pumping Causes:  Water  Fines  Lack of load transfer  Loading

17. Rigid Pavement Pumping Cures  Under sealing  Dowel bar retrofit  Full depth rigid repair  Concrete pavement grinding

18. Rigid Pavement Faulting

19. Faulting Causes:  End-result of pumping

20. Rigid Pavement Faulting Causes:  End-result of pumping  Eroded subsoil

21. Rigid Pavement Faulting Causes:  End-result of pumping  Eroded subsoil

22. Rigid Pavement Faulting Cures:  Full-depth rigid repair  Undersealing  Dowel bar retrofit  Grinding

23. Rigid Pavement Transverse Joint Spalling

24. Rigid Pavement Transverse Joint Spalling Causes:  Improper dowel alignment

25. Rigid Pavement Transverse Joint Spalling Causes:  Improper dowel alignment  Lack of joint seal

26. Rigid Pavement Transverse Joint Spalling Causes:  Improper dowel alignment  Lack of joint seal  Incompressible s in joint

27. Rigid Pavement Transverse Joint Spalling Cures:  Crack & Joint Seal  Bonded Patching  Full-depth patching

28. Rigid Pavement Wear & Polishing

29. Rigid Pavement Wear & Polishing Causes:  Traffic wears off surface aggregate

30. Rigid Pavement Wear & Polishing Cures:  Grinding  Asphalt Overlay

31. Rigid Pavement Scaling

32. Scaling Causes:  Non-air- entrained concrete

33. Rigid Pavement Scaling Causes:  Non-air- entrained concrete  De-icing chemicals

34. Rigid Pavement Scaling Causes:  Non-air- entrained concrete  De-icing chemicals  Improper finishing technique

35. Rigid Pavement Scaling Cures:  Grinding  Asphalt overlay  Bonded resurfacing  Partial depth patch

36. Rigid Pavement Shallow Reinforcing

37. Rigid Pavement Shallow Reinforcing Cause:  Reinforcing Steel too close to surface

38. Rigid Pavement Shallow Reinforcing Cause:  Reinforcing Steel too close to surface

39. Rigid Pavement Shallow Reinforcing Cure:  Asphalt overlay or patch  Replacing steel & partial or full depth repair

40. Rigid Pavement D-Cracking

41. D-Cracking Causes:  Poor quality aggregate

42. Rigid Pavement D-Cracking Causes:  Poor quality aggregate  Freeze/thaw cycle

43. Rigid Pavement D-Cracking Cures:  Temporary: Partial depth asphalt patch  Permanent: Full-depth repair

44. Rigid Pavement Corner Cracking

45. Rigid Pavement Corner Cracking Causes:  Insufficient soil support

46. Rigid Pavement Corner Cracking Causes:  Insufficient soil support  Temperature related slab movement

47. Rigid Pavement Corner Cracking Cures:  Partial or full- depth patch  Replace slab  Stabilize subsurface

48. Rigid Pavement Blowups

49. Blowups Causes:  Expansion of concrete

50. Rigid Pavement Blowups Causes:  Expansion of concrete  Poorly sealed joints

51. Rigid Pavement Blowups Causes:  Expansion of concrete  Poorly sealed joints  Hot weather

52. Rigid Pavement Blowups Cures:  Pressure relief joints to prevent  Patch or reconstruction after occurrence