Akademik Veri Yönetim Sistemi
1st International Conference on Advances in Structural Engineering and Mechanics (ASEM'99), Seoul, Güney Kore, 23 - 25 Ağustos 1999, ss.1031-1036, (Tam Metin Bildiri)
In the reinforced elements there are two kind of steel longitudinal steel and the confined by lateral steel. The lateral steel, in circular section members is in spiral shape. If the section of the member rectangular the stirrups should be rectangular. At very high compressive stresses concrete will reach its limiting strain value and therefore concrete outside the lateral reinforcement, which is not confined will crush and start to spell, At this stage poisson ratio of concrete is high and due to poisson's effect concrete inside the lateral reinforcement tries to expand laterally such a deformation is prevented by the lateral reinforcement which applies lateral passive pressure on concrete. At very high compressive stress the strength of reinforced column member increase to four times sigma(2). This increase in strength of member is related to the properties of rectangular stirrups.