cement, sand, aggregate ratio (M20) for slab casting/ mixing of cement sand aggregate with Dr. fixit

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For example for M20 grade concrete proportion of Cement:Sand:Aggregate is 1:1.5:3
If the proportion of quantity of Sand and Aggregate interchanged that is (1 Part cement 3 part Sand 1.5 Part Aggregate). Then what will happen with the required strength of concrete. Will concrete strength increase or decrease ?

rjkate
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Awesome video, really helpful!! One quick question- How much is the difference in cost per square foot between RCC Grade M20 and M25?

MayankTopiwala
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Hello sir
I have a query

If aggregate ratio
For slab or coloumn casting is

20 mm = 21%
10 mm = 72%
4.75 mm = 07%

What is the iffect
It's harmful??

beerchilled
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Akhri tagari padne ke baad Kam se kam 10 round to ghuma lo...

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