Subscribe Now Subscribe Today
Research Article
 

Flexural strength of Composite Beams Partially Encased in Lightweight Concrete



Issam M. Assi , Serein M. Abed and Yasser M. Hunaiti
 
Facebook Twitter Digg Reddit Linkedin StumbleUpon E-mail
ABSTRACT

The ultimate moment capacity of partially encased composite beams had been studied theoretically and experimentally. Tests were carried out on a total number of twelve beams of four different sizes with a constant length of about 2.0 m loaded by two points loading. Three groups, four beams each, were tested to investigate the contribution of different types of concrete to the ultimate moment capacity of partially encased sections. Eight of the simply supported beams were partially encased in lightweight concrete and normal concrete, four specimens each. The beams were tested under major axis bending to evaluate the experimental results were compared with the partially encased beams. Theoretical values of the ultimate moment capacity of the tested sections were also included. The results of this study showed that the concrete contribution to the ultimate capacity of steel sections was significant. However, the use of normal concrete showed insignificant enhancement to the flexural strength of the tested composite sections when compared to lightweight concrete. The tested beams were capable of reaching moments in excess of the thoretical predictions and thus lightweight concrete may be considered as a reliable component to be used in composite construction.

Services
Related Articles in ASCI
Similar Articles in this Journal
Search in Google Scholar
View Citation
Report Citation

 
  How to cite this article:

Issam M. Assi , Serein M. Abed and Yasser M. Hunaiti , 2002. Flexural strength of Composite Beams Partially Encased in Lightweight Concrete. Journal of Applied Sciences, 2: 320-323.

DOI: 10.3923/jas.2002.320.323

URL: https://scialert.net/abstract/?doi=jas.2002.320.323

REFERENCES
1:  Abed, S.M., 1998. Flexural strength partiaally encased composite beams. M.Sc. Thesis, University Jrdan, Jordan.

2:  Bu-Kabir, M., 1993. Torsional strength of semi-encased composited Beams. M.Sc. Thesis, University Jrdan, Jordan.

3:  Architectural Institute of Japan, 1987. AIJ Standards for Structural Calculations of Steel Reinforced Concrete Structures. Architectural institue of Japan, Tokyo.

4:  Bazlamit, J., 1990. Composite columns of semi-encased sections. M.Sc. Thesis, Univ. Jrdan, Jordan.

5:  Basu, A.K. and W.F. Hill, 1968. A more exact computation of failure loads of composite column. ICE Proc., 40: 37-60.
Direct Link  |  

6:  Basu, A.K. and W. Sommerville, 1968. Derivation of formulae for the design of rectangular composite columns. Proc. Inst. Civ. Eng., 40: 37-60.

7:  British Standards Institute, 1997. British Standard for Structural use of Concrete, Code of Practice for Design and Construction. BSI, London, UK.

8:  Caught, R.A. and W.B. Scoll, 1992. A practical method for the design of I-Beams haunches in concrete. Strct. Eng., 7: 275-393.

9:  Commission of the European Communities, 1985. Common Unified Rules for Compsite Steel and Concrete Structures. CEC, Brussels.

10:  European Convention for Constructional Steel, 1981. Composite Structures. The Construction Press, London, UK.

11:  International Standard Code of Practice, 1977. Model Code for Concrete Construction, Commite Euro-International Du Beton. CEB, Paris.

12:  Hamdan, M., 1990. Approximate methods for calculating the ultimate strength of composite columns. M.Sc. Thesis, Univ. Jordan, Jordan.

13:  Hunaiti, Y.M. and B. Abdel Fattah, 1994. Design considerations of partially encased composite columns. Proc. Inst. Civ. Eng., 104: 75-82.

14:  Hunaiti, Y.M., 1996. Composite action of foamed and lightweight aggregate concrete. J. Mater. Civil Eng., 8: 111-113.
Direct Link  |  

15:  Hunaiti, Y.M., 1993. Composite columns of semi-encased sections. Dirsat, J. Pure Applied Sci. Univ. Jordan, 20: 138-150.

16:  Hunaiti, Y.M., 1997. Strength of composite sections with foamed and lightweight concrete. J. Mat. Civil Eng., 9: 58-61.
Direct Link  |  

©  2021 Science Alert. All Rights Reserved