1. |
α |
= |
Coefficient of Thermal Expansion |
2. |
ρact |
= |
Percentage steel provided |
3. |
A1 |
= |
Area of Base for Load Transfer in 'sqm' |
4. |
A2 |
= |
Area of Bearing under column in 'sqm' |
5. |
AsfrPrv |
= |
Area of face reinforcement provided in 'sqmm' |
6. |
AsfrReq |
= |
Area of face reinforcement required in 'sqmm' |
7. |
AstPrv |
= |
Area of tensile reinforcement provided in 'sqmm/m' |
8. |
AstReq |
= |
Area of tensile reinforcement required in 'sqmm/m' |
9. |
AsvPrv |
= |
Area of shear reinforcement provided in 'sqmm/m' |
10. |
AsvReq |
= |
Area of shear reinforcement required in 'sqmm/m' |
11. |
Av |
= |
Location of section of shear-check from Pile Center |
12. |
Beff |
= |
Effective Width for design for bending and shear in 'mm' |
13. |
Beffsfr |
= |
Effective Width for design for Face Reinforcement in 'mm' |
14. |
BMux |
= |
Factored Design Bending Moment for pile-cap along column D in 'kNm' |
15. |
BMuy |
= |
Factored Design Bending Moment for pile-cap along column B in 'kNm' |
16. |
Cx |
= |
Width of column in 'mm' |
17. |
Cy |
= |
Length of column in 'mm' |
18. |
D |
= |
Depth of Pilecap in 'mm' |
19. |
Deff |
= |
Effective Depth of Pilecap in 'mm' |
20. |
DfCol |
= |
Distance of Pile center to face of column in 'mm' |
21. |
Icr |
= |
Moment of Inertia of concrete crack section in 'mm4' |
22. |
Mcr |
= |
Cracking Moment |
23. |
Mx |
= |
Bending Moment in column along Column D (from analysis) in 'kNm' |
24. |
My |
= |
Bending Moment in column along Column B (from analysis) in 'kNm' |
25. |
P |
= |
Axial load in pile due to Ptotal in 'kN' |
26. |
Pcomb |
= |
Axial load in column for a load combination in 'kN' |
27. |
Ppile |
= |
Axial Load on pile in 'kN' |
28. |
Ptotal |
= |
Total vertical load on pile-cap for a load combination in 'kN' |
29. |
Pmx |
= |
Axial load on pile due to moment Mx in 'kN' |
30. |
Pmy |
= |
Axial load on pile due to moment My in 'kN' |
31. |
sp |
= |
Spacing Between bars at outer most layer in 'mm' |
32. |
Temp1 |
= |
Peak Hydration temperature in Degree |
33. |
Temp2 |
= |
Seasonal Temperature Variations in Degree |
34. |
Vc |
= |
Nominal shear strength provided by concrete in 'kN' |
35. |
Vs Capacity |
= |
Shear strength capacity of provided shear reinforcement 'kN' |
36. |
Vu |
= |
Design shear force in 'kN' |
37. |
Vus |
= |
Design shear force for stirrups in 'kN' |
38. |
Vs |
= |
Nominal shear strength provided by shear reinforcement, in 'kN' |
39. |
Vx |
= |
Shear in Column along major axis (from analysis) in 'kN' |
40. |
Vy |
= |
Shear in Column along minor axis (from analysis) in 'kN' |
41. |
y |
= |
Neutral axis depth in 'mm' |
42. |
φ |
= |
Strength reduction factor in shear |
43. |
φ1 |
= |
Strength reduction factor in concrete bearing |
44. |
Φ1Pnb |
= |
Bearing strength of column in 'kN' |
|
Code References: |
ACI 318M - 14 |
1. |
Ptmax |
: |
7.3.3.1, 8.3.3.1, 9.3.3.1 |
2. |
Ptmin |
: |
7.6.1.1 & 8.6.1.1/7.7.2.3 |
3. |
Vc |
: |
22.6.5 |
4. |
Vcper |
: |
22.5.5, 22.5.6 |
5. |
AvReq |
: |
22.5.10.5 & 22.6.7 |
6. |
Min Shear Reinf |
: |
7.6.3, 9.6.3 & 10.6.2 |
7. |
Max Stirrup Spacing |
: |
9.7.6 & 10.7.6 |
8. |
One Way Shear Criteria |
: |
13.2 & 13.4 |
9. |
Load transfer |
: |
22.8 |
10. |
fs,perm |
: |
24.3.2.1 |
11. |
fc,perm |
: |
22.2.2.4.1 |
12. |
Wcr |
: |
Eq 4.2(a) |
|
BS 8007 (For Early / Initial Thermal Cracking) |
1. |
Surface Zone for suspended slab |
: |
Figure A.1 |
2. |
Surface Zone for ground slab |
: |
Figure A.2 |
3. |
Factors for the calculation of minimum reinforcement |
: |
Table A.1 |