Dear engineers,
I want to discuss what is the best program or excel sheet for calculating the slab punching shear as per ACI 318, since PROKO software gives error calculations and calculates the shear reinforcement in a stupid way and does not match with code formulas & CSi SAFE has some bugs in checking the adequacy of the slab's effective depth.
thx
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Tests have established that punching shear in slabs can be effectively resisted by reinforcement consisting of vertical rods mechanically anchored at top and bottom of slabs. ACI 318 sets out the principles of design for slab shear reinforcement and makes specific reference to stirrups and headed studs. This guide reviews available types and makes recommendations for their design. The application of these recommendations is illustrated through numerical examples.
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Load Testing of Bridges – Current Practice and Diagnostic Load Testing
Author(s):
Eva O.L. Lantsoght
Edition:
1st
Publish Date:
2019
ISBN:
9780367210823
Published By:
CRC Press
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Author(s)/Editor(s): N S TRAHAIR | Size: 503 KB | Format:PDF | Quality:Original preprint | Year: Jan 2021 | pages: 17
Publisher: School of Civil Engineering, The University of Sydney
RESEARCH REPORT R967
Steel crane runway girders are subjected to torsion by their eccentric loads. The twist rotation of the principal axes caused by torsion induces additional bending moments, and reduces the resistance to lateral buckling. There is little guidance on how to design for torsion, and design procedures are often intuitive, with varying degrees of rationality and precision.
This paper seeks to establish a logical procedure for designing crane runway girders which is based on an extension of the limit states methods of designing for biaxial bending. An additional term for the ratio of the design torque to the section torsion resistance is included in the interaction equations. Proposals are made for determining this section resistance. Research has shown that this addition can allow for the reduction in the lateral buckling resistance caused by the twist rotations. A linear elastic analysis of the twist rotations is used to determine the moment increases caused by torsion.
An example of the proposed method is developed and illustrated by a design example. The small twist rotations are not enough to have a major effect on the bending moments. The additional torsion term is also small, and the design capacity is primarily governed by the resistance to lateral buckling.
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Author(s)/Editor(s): Gorenc, B. E. (Branko Edward) | Size: 3.39 MB | Format:PDF | Quality:Scanner | Publisher: Australian Steel Institute | Year: 2003 | pages: 74 | ISBN: 090994590X
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Article/eBook Full Name: AS 3962:2020 Marina design
Author(s): Standards Australia
Edition: 3rd
Publish Date: 2020
ISBN: 9781760727468
Published By: Standards Australia
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