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Saturday, 12 April 2008 08:16 |
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Steel is the most widely used reinforcing materials for almost all types of concrete construction. It is an excellent partner of concrete in resisting both tension and compression stresses. Comparatively, steel is ten times stronger than the concrete in resisting compression load and hundred times stronger in tensile stresses.
The design of concrete assumes that concrete and steel reinforcement acts together in resisting load and likewise to be in the state of simultaneous deformation. Otherwise, the steel bars might slip from the concrete in the absence of sufficient bond due to excessive load.
In order to provide a higher degree of sufficient bond between the two materials, steel bars were provided with a surface deformation in various form and design.
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