A Study On Concrete Filled Steel Box Beam

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A STUDY ON CONCRETE FILLED STEEL BOX BEAMS

 

J.Thomas Britto

Dept of civil engineering

Thomasbritto3@gmail.com

ABSTRACT

 

Concrete filled steel box members have recently experienced a renaissance in their use throughout the world.  This has occurred due to the significant advantages that the construction method can provide.  In this thesis, an experimental study has been carried out to study the flexural behavior of concrete filled steel box members. To ascertain the flexural behavior of these members, experiments were conducted by carrying out a two-point loading beam test. This beam test provided a flexural zone in the presence of shear. The main objective of this study is to find the ultimate moment carrying capacity of concrete filled steel box members.  For this present investigation, concrete strengths used in the test specimens achieved mean compressive strengths between 32 and 44 MPs at the time of testing and the thin- walled concrete filled steel box members were manufactured using steel plate of 3 mm nominal thickness. Based on the experimental investigations, the variation in the moment carrying capacity of concrete filled steel box members and conventional reinforced cement concrete (theoretical) were predicted

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