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The following figure shows the arrangement of formwork for casting a cantilever RC beam. The correct sequence of removing the shores/props is

1. S1→S2→S3→S4→S5
2. S5→S4→S3→S2→S1
3. S3→S2→S4→S1→S5
4. S3→S4→S2→S5→S1

Correct answer: S3→S4→S2→S5→S1

Solution

In cantilever formwork, shores/props are removed in a specific order so that the load is transferred safely without causing excessive deflection or cracking. The correct sequence is the one that progressively releases the supports as given in the answer.

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