INTRODUCTION TO R.C.C by MEET JOSHI
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It is a small presentation, which should be studied or seen in the first lecture of R.C.C. It tells about why to and where to use R.C.C. It is acquainted with some pictorial descriptions.
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...
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INTRODUCTION TO R.C.C by MEET JOSHI
- 1. SUBMITTED TO: MR. ROHAN BORADE SUBMITTED BY: MR. MEET JOSHI TOPIC: INTRODUCTION TO RCC
- 2. INDEX • WHAT IS RCC ? • WHY RCC AND WHY STEEL IS USED IN IT? • PROPERTIES OF GOOD RCC • WHERE TO USE RCC ? • REFERENCES
- 3. WHAT IS RCC? FULL FORM: REINFORCED CEMENT CONCRETE RCC stands for Reinforced Cement Concrete, which is when plain cement concrete (mixture of cement, sand & aggregate) is reinforced with steel bars. • How it differs from pcc (plain cement concrete) Plain cement concrete is mixture of sand, cement and aggregate and reinforced cement concrete (rcc) is mixture of sand cement and aggregate including Steel. REINFORCED: ACCORDING TO OXFORD UNIVERSITY; REINFORCED MEANS TO MAKE IT STRONGER.
- 4. Why steel is used? • In reinforced cement concrete, the steel (rebar) carries all of the tensile stresses and, in some cases some of the compressive stresses also. • Concrete is good in resisting compression but is very weak in resisting tension. Hence steel is provided in the concrete wherever tensile stress is expected. As the elastic modulus of steel is high, for the same extension the force resisted by steel is high compared to concrete.
- 5. PROPERTIES OF GOOD RCC • It should be capable of resisting expected tensile, compressive, bending and shear forces. • It should not show excessive deflection and spoil serviceability requirement. • There should be proper cover to the reinforcement, so that the corrossion is prevented.
- 6. • The hair cracks developed should be within the permissible limit. • It is a good fire resistant material. • When it is fresh, it can be moulded to any desired shape and size. • Durability is very good. • RCC structure can be designed to take any load.
- 7. DEMERITS OF RCC • R.C.C. structures are heavier than structures of other materials like steel, wood and glass etc. • R.C.C. needs lot of form-work, centering and shuttering to be fixed, thus require lot of site space and skilled labour. • Concrete takes time to attain its full strength. Thus, R.C.C. structures can’t be used immediately after construction unlike steel structures.
- 8. USES OF RCC 1. IN STRUCTURAL ELEMENTS i. Footings ii. Columns iii. Beams and lintels
- 9. RCC COLUMN
- 10. 2. IN STORAGE STRUCURES i. Water tanks ii. Dams iii. Silos and bunkers
- 11. RCC SILO RCC IN DAMS
- 12. 3. IN CUNSTRUCTION OF BIG STRUCTURES LIKE: i. Bridges ii. Retaining walls iii. Docks and harbours
- 13. RCC IN BRIDGE RCC IN RETAINING WALL
- 14. 4. IN PRE-CASTING i. Railway sleepers ii. Electric poles
- 15. RCC IN RAILWAY SLEEPERS RCC IN ELECTRIC POLES
- 16. 5. IN TALL STRUCTURES i. Multistory buildings ii. Chimneys iii. Towers
- 17. RCC IN TALL BUILDINGS RCC IN CHIMNEYS AND TOWERS
- 18. 6. IN PAVING i. Roads ii. Airport 7. RCC is used in building atomic plants to prevent danger of radiation. For this purpose rcc wall built are 1.5 m to 2.0 m thick.
- 19. RCC IN ROAD THICK RCC WALLS TO PREVENT RADIATION
- 20. REFRENCES: 1. https://civilengineering.blog/2017/09/12/reinforced-cement-concrete/ 2. https://civilsir.com/ 3. https://www.slideshare.net/
- 21. THANK YOU