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Project: Date: Beam Number: Engineer:: Design Doubly Reinforcement Rectangular Beam

The document summarizes the design of a doubly reinforced rectangular beam. It provides parameters of the beam including total load, moments, shear force, concrete strength, steel reinforcement strengths. It then calculates the required area of compression and tension reinforcement as well as the spacing and size of stirrups needed to reinforce the beam against shear forces. The design satisfies code requirements for reinforcement areas and spacing.

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131 views1 page

Project: Date: Beam Number: Engineer:: Design Doubly Reinforcement Rectangular Beam

The document summarizes the design of a doubly reinforced rectangular beam. It provides parameters of the beam including total load, moments, shear force, concrete strength, steel reinforcement strengths. It then calculates the required area of compression and tension reinforcement as well as the spacing and size of stirrups needed to reinforce the beam against shear forces. The design satisfies code requirements for reinforcement areas and spacing.

Uploaded by

vk
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Design Doubly Reinforcement Rectangular Beam

Project : Beam Number : Engineer : Date :


Total load (w) = 192 kg/m
Compression Reinforcement
4.Parameters Size of Bar DB-12 DB-16 DB-20 DB-25 DB-28
Moment = 2,000 kg-m Number of Bar 3 2 2 2 2
Shear = 2,400 kg Spacing of Bar (cm) 7 14 14 14 14
Concrete Factor = 0.45 Check spacing (cm) O.K. O.K. O.K. O.K. O.K.
fc = 78 ksc
fs = 1,500 ksc

For two layer Tension Reinforcement Use : RB = 6 mm


Try effective depth = 32.8 cm fv = 1,200 ksc
Mc = 2,535 kg-m Av (two legs) = 1.28 cm2
M1 = 2,000 kg-m 0.795*SQRT(fc')*bw*d 6,692 kg
M2 = 0 kg-m
As1 = 4.59 cm2 Stirrups Reinforcement
Use As2 = 0.00 cm2 Size of Stirrups RB-6 RB-9 RB-12 DB-16
As=As1+As2 = 4.59 cm2 Spacing of Stirrups (cm) 60 60 60 60
As-min = 3.06 cm2 s-max = Av/(0.0015*bw) (cm) 19 42 60 60
As'=KAs2 = 2.26 cm2 Case1: 0.29<Vs < 0.795 (cm) 16 16 16 16

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