In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
American Concrete Institute
38800 Country Club Dr.
Farmington Hills, MI
Feedback via Email
Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Nonlinear Stability Analysis of Concrete-Filled Fiber-Reinforced Polymer-Tube Columns: Experimental and Theoretical Investigation
Author(s): Hamdy M. Mohamed, Hussien M. Abdel-Baky, and Radhouane Masmoudi
Publication: Structural Journal
Appears on pages(s): 699-708
Keywords: buckling; columns; composites; fiber-reinforced polymer; slenderness ratio; tube
Abstract:This paper presents experimental results and theoretical analysis for buckling responses of concrete-filled fiber-reinforced polymer (FRP)-tube (CFFTs) columns. The purpose of the analysis was to understand the effect of the slenderness ratio on the critical buckling load of axially loaded CFFT columns. The effect of three parameters and the parameters’ interaction on the buckling behavior were investigated; namely, the FRP tube thickness, concrete compressive strength, and slenderness ratio. The experimental program consisted of testing 22 circular CFFT columns with a total height ranging from 305 to 1520 mm (12 to 60 in.) and an internal tube diameter of 152 mm (6 in.). The experimental results showed that the uniaxial compressive strength of CFFT columns was reduced by 13 to 23% and increased the slenderness ratio from 4 to 20 depending on the three tested parameters. The analysis in this paper aimed to correlate the slenderness ratio of the CFFT columns to various material characteristics and geometric properties of the FRP tubes and concrete. It was found that a slenderness ratio of 12 gave a safe value for the design purposes. A more precise formula for the slenderness ratio, however, was proposed to control the buckling mode of failure.
Click here to become an online Journal subscriber