Torsion Design Aci 15b5e

Project Client ID LEVEL

Parking DHCC DHCC B22 S6

TORSION DESIGN to ACI 318-05

BEAM DESIGN Made by

Date

Page

VAG

###

-

Checked

Revision

SKA

4

Job No

57

INPUT DATA b ### 600 mm ACI 318-05 8.10.3 h ### 600 mm bw ### 300 mm beff ### 320 mm hf ### 280 mm Tu ### 34 kNm ### Vu 83849.76 lb = 373 kN Mu 184.39 ft-k = 250 kNm ### cover 1.57 in = 40 mm Ph 62.99 sq.in = 1600 sq.mm 0.75 Aoh ### ### ACI 318-05 9.3.2.3 Φ shear 0.90 Φ flexure f'c 5076.32 psi = 35 N/sq.mm fyt 66717.35 psi = 460 N/sq.mm fys 66717.35 psi = 460 N/sq.mm Top reinforcement 2 25 OK Bottom reinforcement 4 25 OK Stirups 8 100 OK εu 0.00 As = 1.52 sq.in 981 sq.mm d ### 560 mm d' 1.57 in = 40 mm β1 0.80 ACI 318-05 10.2.7.3 Es 29000000 psi = 199948 N/sq.mm ρb 2.91% ρmin 0.30% ρmax 2.19% ρ 0.58% OK ρ

DESIGN FOR FLEXURE Case: 1

Case: 2

Case: 3

Case: 4

Case 1 is Valid a As

1.12 in = 29 mm ### 1107 sq.mm

DESIGN FOR SHEAR 83849.76 37106.19 lb

<

### Condition Satisfied ACI 318-05 11.5.7.9 ACI 318-05 11.3.1.1

= 38427.63 lb i.e., = 37106.19 lb Minimum Shear reinforcement Av/s Vs Maximum spacing of shear reinft.

ACI 318-05 11.3.2.1

0.05 sq.in = ### 74693.49 lb = 332 kN 5.51 in = 140 mm

ACI 318-05 11.5.6 OK

DESIGN FOR TORSION ACI 318-05 11.6.1 No need for torsional design

5-90690 lb-in = 67 kNm

with flanges without flanges ACI 318-05 11.6.1.1 417.88 279.00 84.25 70.87 2072.64 1098.43 13.2.4 of ACI318-05 need to be conformed 12.60 in = 320 mm ACI 318-05 13.2.4 ### 57 kNm

###

ACI 318-05 11.6.2.2

Torsional moment strength 300.54 < 527.24

ACI 318-05 11.6.3.1 Condition Satisfied

0.01 sq.in/in = 344 sq.mm/m ACI 318-05 11.6.3.6 ACI 318-05 11.6.3.7 & 11.6.5.3 = ### 889 sq.mm Max. spacing of stirrup 7.87 in = 200 mm Max. spacing of longitudinal bars ### 305 mm Min. diameter of longitudinal bars0.38 in = 10 mm

> Provided; OK ACI 318-05 11.6.6.1 ACI 318-05 11.6.6.2

SUMMARY OF REINFORCEMENT Longitudinal reinforcement, top bottom Minimum dia for longitudinal bars Minimum area of stirrups Max. spacing of stirrup

0.69 sq.in 2.40 sq.in 0.38 in 0.01 sq.in 5.51 in

Note: All the equations used in the calculation are in American Units

= = = = =

445 sq.mm 1551 sq.mm 10 mm 9 sq.mm 140 mm