Behavior of hollow-core FRP-concrete-steel columns subjected to cyclic axial compression.

Elgawady, Mohamed; Abdelkarim, Omar; Missouri University of Science and Technology. Center for Transportation Infrastructure and Safety

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Behavior of hollow-core FRP-concrete-steel columns subjected to cyclic axial compression.

2014-08-01
By Elgawady, Mohamed ; Abdelkarim, Omar

[PDF-583.56 KB]

English

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Creators:

Elgawady, Mohamed ; Abdelkarim, Omar

Elgawady, Mohamed ; Abdelkarim, Omar Less -
Corporate Creators:

Missouri University of Science and Technology. Center for Transportation Infrastructure and Safety
Corporate Contributors:

United States. Dept. of Transportation. Research and Innovative Technology Administration
Subject/TRT Terms:

[+]

Axial Compression Bearing Capacity Columns Concrete Diameter Fiber Reinforced Polymers Laboratory Tests Steel Thickness Tubular Structures
Publication/ Report Number:

NUTC R357 ; Project #00043006

NUTC R357 ; Project #00043006 Less -
Resource Type:

Tech Report
Geographical Coverage:

Missouri
Corporate Publisher:

Missouri University of Science and Technology. Center for Transportation Infrastructure and Safety
Abstract:

This report presents the results of an experimental study that was conducted to investigate the effects of key parameters on the compressive behavior of fiber reinforced polymer (FRP)-concrete-steel double-skin tubular columns (FSDT). Hybrid FSDT columns have been introduced as a new form of hybrid columns. They consist of an outer tube made of FRP and inner tube made of steel, with sandwiched concrete between them. This report investigated the effect of fiber angle and the ratio of steel tube diameter to its thickness (Di/ts) on the compressive behavior of FSDT columns. Ten FSDT cylinders with different (Di/ts) in addition to three concrete filled-fiber tuber (CFFT) cylinders were manufactured and tested under axial cyclic compression. The results of the experimental study indicate that the overall behavior of FSDT and CFFT is similar and the main difference is in the capacity load. The cylinders with high D/t ratio achieve lower capacity than the normal capacity due to the local buckling of the steel tubes. Using the saturated fiber tube increases the axial ductility but does not give high confinement. These results are presented together with a discussion on the influence of the studied parameters on the compressive behavior of FSDTs.
Format:

PDF
Funding:

DTRT06-G-0014
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d035cc608503f39dfddc475408a0ccd4a09e38dcdb85d3acefe51d00708f91f2
Download URL:

https://rosap.ntl.bts.gov/view/dot/27983/dot_27983_DS1.pdf
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Behavior of hollow-core FRP-concrete-steel columns subjected to cyclic axial compression.

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