Answer / sjtbehera

yes in watering structure there is no need for expansion
joint.but in plan area there is need of every 30m an
expansion joint recquired

Answer / ashwani mishra

we should not provide expansion joint in long rcc str .
because in undermined str like water tank ,there will no
seasonal temp changes.
but we should keep check for reinforcement detail
as ther will no provision for 30-50m
slab ,expansion joint..........

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