Due to the increasingly complex demands of today's architects and designers, the design and layout of anchors and splices in reinforced concrete involve a unique combination of art and science. Practical considerations limit full length continuous reinforcements throughout any sizeable structure. Splicing of reinforcement becomes unavoidable.
Traditionally accepted forms of splicing reinforcing steel bars has been to lap them. The method involves placing two bars together next to each other, over defined minimum lengths and then holding them in position using wire ties.
In recent years, we have seen a major transformation in the construction industry, fuelled by a number of compelling factors. |