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Experimental testing of concrete beams with different levels of prestressing (CROSBI ID 218432)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Radnić, Jure ; Markić, Radoslav ; Glibić, Mladen ; Ćubela, Dragan ; Grgić, Nikola Experimental testing of concrete beams with different levels of prestressing // Proceedings of the institution of mechanical engineers part l-journal of materials-design and applications, 230 (2016), 3(S.I.); 760-779. doi: 10.1177/1464420715585069

Podaci o odgovornosti

Radnić, Jure ; Markić, Radoslav ; Glibić, Mladen ; Ćubela, Dragan ; Grgić, Nikola

engleski

Experimental testing of concrete beams with different levels of prestressing

The behaviour of actual prestressed concrete beams under static load up to failure has been experimentally investigated. The experimental testing includes five types of precast concrete beams with different ratios of prestressed and classical reinforcements (only prestressed reinforcement, dominant prestressed reinforcement and classical reinforcement, equal prestressed and classical reinforcements, dominant classical reinforcement and prestressed reinforcement, and only classical reinforcement) i.e. with different levels of prestressing force. Twenty-three beams were tested. The total amount of reinforcement in each beam was selected to provide approximately equal ultimate bending bearing capacity. The deflections, concrete stresses, stresses in classical and prestressed reinforcements and concrete cracks were monitored until the beams collapsed. It was concluded that by increasing the level of prestressing, the serviceability limit state of the beams was improved. The optimal level of prestressing should be selected based on the relevant criteria for each individual structure.

Concrete beam; experimental test; level of prestressing; classical reinforcement; prestressed reinforcement

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Podaci o izdanju

230 (3(S.I.))

2016.

760-779

objavljeno

1464-4207

10.1177/1464420715585069

Povezanost rada

Građevinarstvo

Poveznice
Indeksiranost