What is the reason of grouping several reinforcement bars in concrete structure?
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For too much reinforcement to be incorporated in concrete structures, the reinforcement bars are sometimes groups because:
(i) It facilitates placing of fresh concrete with more space available;
(ii) It tends to limit segregation, which otherwise caused by close spacing of bars.
(iii) It ensures good cover.
This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.
