The Structural Engineer > Archive > Volume 71 (1993) > Issues > Issue 13 > Pushout Strength of Concrete-Filled Steel Hollow Sections
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Pushout Strength of Concrete-Filled Steel Hollow Sections

Pushout tests have been carried out on 40 short, concrete-filled steel hollow section tubes. Rectangular, square and circular sections were used in this experimental programme. Sixteen of the specimens were 450mm long, and the steel-concrete interfaces about 400mm long. These specimens were tested with and without the use of grade 4.6 black bolts as mechanical shear connectors. The rest of the tested specimens were of variable lengths, and their steel-concrete inte$ace was approximately 200, 400, or 600mm long. The interface of half the latter specimens was covered with oil prior to the casting of the concrete core. H. Shakir-Khalil

Author(s): Shakir-Khalil, H

Keywords: hollow sections;steel;filled;concrete;pushout loads;testing;strength;bolts;shear;connections;composite;bond;tubes;thickness;randd