The Application of Light Weight Aggregate Using Reservoir Sediments for Concrete Filled Columns

Jui Ling Liu; Dung Myau Lue; Ping T. Chung

doi:10.4028/www.scientific.net/AMM.284-287.1379

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 284-287The Application of Light Weight Aggregate Using...

The Application of Light Weight Aggregate Using Reservoir Sediments for Concrete Filled Columns

Abstract:

In the current 2005 AISC specification, the in-filled light-weight concrete strength (f_c´) of concrete-filled tube (CFT) columns is set in the range of 21~ 42 MPa, but with no real substantial testing data to confirm and verify the provisions. Research work related to rectangular column sections with light-weight concrete is rather limited and deserves further investigation. Eighteen rectangular tubes filled with light-weight concrete with f_c´ varying from 21.4 to 43.5 MPa were tested. A special kind of light weight aggregate using find sediment deposits dredged from a local reservoir in Taiwan were used in this experimental study. Formulas for CFT columns as specified in the design code AISC Specification were examined and compared. The test results actually show that the further lower f_c´ values are possible and that the 1999 AISC-LRFD provisions yields conservative design results. For the f_c´ range specified in the 2005 AISC specification is found to be in good agreement with the test results

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Periodical:

Applied Mechanics and Materials (Volumes 284-287)

Pages:

1379-1384

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.284-287.1379

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Online since:

January 2013

Authors:

Jui Ling Liu, Dung Myau Lue, Ping T. Chung

Keywords:

AISC, CFT Column, Concrete, Light-Weight Concrete

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References

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