300 mmHB2.Calculate the maximum shear stress that can beresisted, VR/bwdv, by Beam A and B using(a) The CSA simplified method of shear design(b) The old ACI method of shear design (replacedin 2019)Comment on the differences between the CSAand older ACI code that you see in answeringquestions (a) and (b). Also comment on theresulting safety of large beams and slabs withoutstirrups designed using the codes. (Bear in mindthat the CSA code has been repeatedly shown tovery accurately predict the shear strength ofbeams tested in the laboratory)160 mmAfe = 25MPA, aggregate size = 10mmfy = 400MPA%3D%3D200 mm2-15M BarsT55mm8-30M Barsd = 1500 mm

The shear reinforcement design depends on the critical shear stress capacity for the cross-section…

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Calculate the maximum shear stress that can be resisted, Vr/bwdy, by Beam A and B using (a) The CSA simplified method of shear design (b) The old ACI method of shear design (replaced in 2019)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Planar Stresses

Question

300 mm
HB
2.
Calculate the maximum shear stress that can be
resisted, VR/bwdv, by Beam A and B using
(a) The CSA simplified method of shear design
(b) The old ACI method of shear design (replaced
in 2019)
Comment on the differences between the CSA
and older ACI code that you see in answering
questions (a) and (b). Also comment on the
resulting safety of large beams and slabs without
stirrups designed using the codes. (Bear in mind
that the CSA code has been repeatedly shown to
very accurately predict the shear strength of
beams tested in the laboratory)
160 mm
A
fe = 25MPA, aggregate size = 10mm
fy = 400MPA
%3D
%3D
200 mm
2-15M Bars
T55mm
8-30M Bars
d = 1500 mm

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Step 1: Given variable parameter

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Step 2: Design for shear of beam A by simplified CSA method.

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Step 3: Design for shear of beam A by ACI method

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Step 4: Comparison between shear design by simplified CSA method and ACI method

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Step 5: Comparison of safety of large beams and slabs without stirrups designed using the codes.

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Step 6: Design for shear of beam B by ACI method

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Step 7: Design for shear of beam B by simplified CSA method.

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