ACI318-05 Punching Rev C

Project: Job ref. Part of Structure: Calc. sheet norev. A member of the WS Atkins Group Of PO Box 5620 Drawing ref.: Calc. by: Date: Check by Date Dubai, United Arab Emirates RNU Jun-22 Ref. Calculations Output Column or Pile ID: Column 1 Input Data: Type of column location terior/Edge 1/Edge 2/Corner) Interior Col. Concrete cubic strength MPa = 40 Steel yield strength MPa = 400 Applied ultimate axial load KN = 1800 Applied ultimate bending moment KN.m = 40 Column dimension mm = 500 Column dimension mm = 500 Slab thickness mm = 420 Slab depth mm = 395 S mm = 100 n mm = 4 Critical Sections Geometry Calculations: Critical section dimension at d/2 b1 mm = 895 Critical section dimension at d/2 b2 mm = 895 Critical section perimeter at d/2 b0 mm = 3580 Critical section area at d/2 Ac = 1.41E+06 13.5.3.2 Ratio of moment transferred by flexure = 0.60 (11-39) Ratio of moment transferred by shear = 0.40 Polar moment of inertia Jc = 1.98E+11 11.12.2.1 Constant = 40 Stress Calculations: Concrete cylindrical strength = 32 9.3.2.3 Strength reduction factor = 0.75 Stress due to shearing force MPa = 1.27 Stress due to bending moment MPa = 0.04 Total ultimate stress MPa = 1.31 (11-33) Shear stress carried by concrete a MPa = 2.88 (11-34) Shear stress carried by concrete b MPa = 3.01 (11-35) Shear stress carried by concrete c MPa = 1.87 Max shear strength of the section MPa = 2.12 11.12.3.2 Check on section dimension (Adequate/Unsafe) Adequate Check on need of reinf. (Required/Not required) Not required For section at d/2 from face of coulmn/pile Typical Example of Reinforcement 11.12.3.1 Shear stress carried by concrete (in case o MPa = (11-2) Shear stress carried by reinf. MPa = Area of steel required per side = Extension of reinf. a mm = Reinforcement required per each side : Interior Col. Corner Col. Edge 1 Col. Edge 2 Col. Types of Columns Locations Typical Stirrups Details fcu fy Vu Mu C1 C2 ts ds Stirrups spacing (Perpindecular to C2) Number of stirrups legs (Paralell to C2) mm 2 gf gv mm 4 as f'c f vuq vum vu vc1 vc2 vc3 fvn max vc vs Av/S mm 2 /mm C2 C1 C2 C1 C1 C2 C2 C1 esign flow-char d/2 Stirrups Ex.No.oflegs = 6 a a S S

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Transcript of ACI318-05 Punching Rev C

Project: Job ref.

Part of Structure: Calc. sheet no. rev. A member of the WS Atkins Group Of PO Box 5620 Drawing ref.: Calc. by: Date: Check by Date Dubai, United Arab Emirates RNU Apr-23

Ref. Calculations Output

Column or Pile ID: Column 1Input Data:Type of column location (Interior/Edge 1/Edge 2/Corner) Interior Col.Concrete cubic strength MPa = 40Steel yield strength MPa = 400Applied ultimate axial load KN = 1800Applied ultimate bending moment KN.m = 40Column dimension mm = 500Column dimension mm = 500Slab thickness mm = 420Slab depth mm = 395

S mm = 100n mm = 4

Critical SectionsGeometry Calculations:Critical section dimension at d/2 b1 mm = 895Critical section dimension at d/2 b2 mm = 895Critical section perimeter at d/2 b0 mm = 3580Critical section area at d/2 Ac = 1.41E+06

13.5.3.2 Ratio of moment transferred by flexure = 0.60(11-39) Ratio of moment transferred by shear = 0.40

Polar moment of inertia Jc = 1.98E+1111.12.2.1 Constant = 40

Stress Calculations:Concrete cylindrical strength = 32

9.3.2.3 Strength reduction factor = 0.75Stress due to shearing force MPa = 1.27Stress due to bending moment MPa = 0.04Total ultimate stress MPa = 1.31

(11-33) Shear stress carried by concrete a MPa = 2.88(11-34) Shear stress carried by concrete b MPa = 3.01(11-35) Shear stress carried by concrete c MPa = 1.87

Max shear strength of the section MPa = 2.1211.12.3.2 Check on section dimension (Adequate/Unsafe) Adequate

Check on need of reinf. (Required/Not required) Not requiredFor section at d/2 from face of coulmn/pile Typical Example of Reinforcement

11.12.3.1 Shear stress carried by concrete (in case of reinf MPa =(11-2) Shear stress carried by reinf. MPa =

Area of steel required per side =Extension of reinf. a mm =

Reinforcement required per each side :

Interior Col. Corner Col.

Edge 1 Col. Edge 2 Col.Types of Columns Locations Typical Stirrups Details

fcu

Stirrups spacing (Perpindecular to C2)Number of stirrups legs (Paralell to C2)

mm2

gfgv

mm4