**What is the minimum grade of concrete for RCC work?** RCC meaning:- RCC means, it is stand for Reinforced Cement Concrete, which is when plain cement concrete (mixture of cement, sand & aggregate) is reinforced with steel bars. An RCC building means the main structural members of the building, viz, slabs, beams, columns and foundations are made up of reinforced cement concrete.

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**RCC stands** for Reinforced Cement Concrete, the most integral structural element of Civil Engineering in 21th Century. RCC has taken the world to new heights of development in commercial and residential construction. What is Reinforced ?According to the Oxford Dictionary Reinforced meaning is “**MAKE IT STRONGER.**” So we make the concrete with steel bars to become strong

**Min Grade of concrete for RCC**: there are different grade of concrete used as RCC is M20, M25, M30, M35, M40, M50, etc. Which is the minimum grade of concrete used for RCC? ans. The minimum grade of concrete used for RCC is M20, with ratio 1:1.5:3 means 1 part of cement, 1.5 parts of fine aggregate (sand) and 3 parts of coarse aggregate.

**What is the minimum grade of concrete for RCC work?** ans. The minimum grade of concrete used for RCC is M20, with ratio 1:1.5:3 means 1 part of cement, 1.5 part of fine aggregate (sand) and 3 part of coarse aggregate.

**What is the minimum grade of concrete for RCC slab?** ans. The minimum grade of concrete used for RCC slab is M20 & M25. M20 concrete with ratio 1:1.5:3 means 1 part of cement, 1.5 part of fine aggregate (sand) and 3 part of coarse aggregate & M25 concrete with ratio 1:1:2 means 1 part of cement, 1 part of fine aggregate (sand) and 2 part of coarse aggregate.

**What is the minimum grade of concrete for RCC beam?** ans. The minimum grade of concrete used for RCC beam is M20 & M25. M20 concrete with ratio 1:1.5:3 means 1 part of cement, 1.5 part of fine aggregate (sand) and 3 part of coarse aggregate & M25 concrete with ratio 1:1:2 means 1 part of cement, 1 part of fine aggregate (sand) and 2 part of coarse aggregate.

**What is the minimum grade of concrete for RCC column?** ans. The minimum grade of concrete used for RCC column is M20 & M25. M20 concrete with ratio 1:1.5:3 means 1 part of cement, 1.5 part of fine aggregate (sand) and 3 part of coarse aggregate & M25 concrete with ratio 1:1:2 means 1 part of cement, 1 part of fine aggregate (sand) and 2 part of coarse aggregate.

**What is the minimum grade of rcc concrete for hydraulic structure (sea exposed)?** Ans. The minimum grade of concrete used for Hydraulic structures for sea exposed condition min Grade of RCC concrete is M35

**What is the minimum grade of rcc concrete for full submerged in sea water?** Ans. The minimum grade of concrete used for hydraulic structure full submerged or partially submerged structures min Grade of RCC concrete is M40.