50 Civil Engineering Formulas you must know

As a civil engineering student, preparing for exams requires you to apply concepts to a problem, and these formulas will guide you in solving those theoretical and practical problems.

Structural Engineering

1. Stress

2. Shear Stress in Beams

3. Bending Stress

4. Moment of Inertia (Rectangular Section)

5. Hooke’s Law

6. Torsion Angle of Twist

7. Section Modulus (Rectangular Section)

8. Maximum Moment at Midspan

9. Maximum Deflection at Midspan

10. Euler’s Buckling Load

Fluid Mechanics

11. Density of fluid

12. Bulk Modulus of Elasticity

13. Absolute Pressure

14. Viscosity

15. Hydrostatic Pressure

16. Specific Weight of Fluid

17. Discharge

18. Bernoulli’s Equation

19. Darcy-Weisbach Equation

20. Manning’s Equation

Concrete and Steel Design

21. Ultimate Moment Capacity of a Singly Reinforced Beam

22. Depth of Neutral Axis

23. Balanced Steel Ratio

24. Moment of Inertia (Cracked Section)

25. LRFD

26. Net Area in Tension

27. Block Shear Rupture

28. Euler Buckling Stress

29. Plastic Moment

30. Slenderness Ratio

Geotechnical Engineering

31. Void Ratio

32. Porosity

33. Mohr-Coulomb Failure

34. Saturated Unit Weight

35. Bearing Capacity

36. Settlement

37. Permeability (Falling Head Test)

38. Time Factor for Consolidation

39. Factor of Safety

40. Earth Pressure (Rankine-Active)

Surveying and Transportation Engineering

41. Slope Distance Correction

42. Stopping Sight Distance

43. Taping Correction Due to Sag

44. Taping Correction due to Temp

45. Area by Trapezoidal Rule

46. Apex Distance curve geometry

47. Time Headway

48. Time Mean Speed

49. Design Highway Volume

50. Traffic Flow