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Design and Building of a Load Frame for Buckling Test

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Conference

2019 ASEE Annual Conference & Exposition

Location

Tampa, Florida

Publication Date

June 15, 2019

Start Date

June 15, 2019

End Date

June 19, 2019

Conference Session

Experimentation and Laboratory-Oriented Studies Division Technical Session 1

Tagged Division

Experimentation and Laboratory-Oriented Studies

Tagged Topic

Diversity

Page Count

8

DOI

10.18260/1-2--32589

Permanent URL

https://peer.asee.org/32589

Download Count

147

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Paper Authors

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Hadi Kazemiroodsari Wentworth Institute of Technology

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Hadi Kazemiroodsari is assistant professor at Wentworth Institute of Technology. He earned his PhD in Geotechnical engineering from Northeastern University. His area of expertise are Geotechnical engineering and Earthquake engineering.

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Phillip Curtsmith Wentworth Institute of Technology

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Nikolai Vaycheslav Gabardi

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Anuja Kamat Wentworth Institute of Technology

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Anuja Kamat is an Associate Professor in the Civil Engineering Department at Wentworth Institute of Technology, Boston. Prof. Kamat received her Ph.D. in Civil Engineering from the University of Arizona, Tucson and MS in Civil Engineering from the University of Illinois, Urbana - Champaign . She also has a BE in Construction Engineering from University of Mumbai and Diploma in Civil Engineering from Government Polytechnic, Mumbai. Prof. Kamat’s research is in the areas of reinforced and prestressed concrete, concrete blocks and engineering education.

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Kamren S. Donovan

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Abstract

Members, such as columns, which are by their nature subjected to compression load, might experience deflection perpendicular to axial deflection of the member and therefore failure. This structural failure is known as buckling and might happen even if the compression strength of the material be larger than applied compression force. Euler in 1757 developed a mathematical formula for maximum buckling capacity of a member. He presented the maximum load that a member can carry before failure due to buckling as a function of the length, moment of inertia of the cross section, modulus of elasticity of material and the fixity conditions of the member. Mostly, civil engineering students learn about the theory of buckling in the spring of their sophomore year in Statics II course. Static II course is combined with two hours weekly laboratory session. In this laboratory course different modes of failure of members such as failure due to tension, compression, shear and torsion load is demonstrated. As failure due to buckling is a very common type of failure in columns, there is an essential need to include a buckling test in the syllabus for Statics II laboratory. This paper explains the step by step design and building of a load frame which will specifically be used for conducting buckling tests. Force and displacement data will be measured simultaneously during the buckling test, and three different fixing conditions (fixed, pinned and free) at each end of the specimen can be applied to demonstrate the effect of member connection in buckling capacity of the member. This load frame can be used in the lab in spring, or at its latest summer 2019, in the laboratory sessions and can play a big role in explaining the concept of buckling to civil engineering students.

Kazemiroodsari, H., & Curtsmith, P., & Gabardi, N. V., & Kamat, A., & Donovan, K. S. (2019, June), Design and Building of a Load Frame for Buckling Test Paper presented at 2019 ASEE Annual Conference & Exposition , Tampa, Florida. 10.18260/1-2--32589

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