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For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to
Answer & Solution
Correct Answer:
Option
C
The nominal maximum size of the aggregates in heavily reinforced concrete members is determined to ensure proper compaction and minimal voids in the structure.
1. To avoid interference with the reinforcement, the size of the aggregate should be restricted to 5 mm less than the minimum clear distance between the main bars.
2. Similarly, to maintain adequate cover, the size of the aggregate should also be restricted to 5 mm less than the minimum cover to the reinforcement.
3. Therefore, the nominal maximum size of the aggregates should be the smaller of these two criteria to satisfy both conditions.
This ensures proper placement and compaction of the concrete mix around the reinforcement.
1. To avoid interference with the reinforcement, the size of the aggregate should be restricted to 5 mm less than the minimum clear distance between the main bars.
2. Similarly, to maintain adequate cover, the size of the aggregate should also be restricted to 5 mm less than the minimum cover to the reinforcement.
3. Therefore, the nominal maximum size of the aggregates should be the smaller of these two criteria to satisfy both conditions.
This ensures proper placement and compaction of the concrete mix around the reinforcement.
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HOW AGGREGATE PROPERTIES AFFECTS CONCRETE PROPERTIES ...
For heavily reinforced concrete members, the nominal maximum size of aggregates should be restricted to 5 mm less than the minimum clear distance between the main bars or 5 mm less than the minimum cover to the reinforcement, whichever is smaller.
for this reason both of option A and B is correct.