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Implementation of HSSCC in pre- and post-tensionedconcrete members

Application of modern concrete technology


To achieve acceptance for the use high strength self consolidating concrete (HSSCC) in pre and post tensioned elements, this study was conducted. For the designed HSSCC mix, fresh concrete properties (slump flow, L-box, V-funnel and J-ring) as well as hardened properties such as compressive and flexural strength, modulus of elasticity, shrinkage and swelling were measured at different ages. In order to establish the adequacy of HSSCC for pre and post-tensioned structural applications, two pretensioned T-beams of 9 m length with constant tendon eccentricity and two post-tensioned continuous slabs of 7.5 m length with variable eccentricity were constructed and load tested. With the obtained range of results, it was found that HSSCC will consolidate exceptionally well under its own weight even for elements containing high amounts of reinforcement.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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