👉Some important facts
🚧1. Weight of one cement bag = 50 kg
🚧2. Minimu m thickness of slab = 125 mm
🚧3. Minimum lintel thickness =15 cm
🚧4. Minimum diameter of bars used in slab= 8 mm
🚧5. Minimum diameter of bars Used in column = 12 mm
🚧6. Maximum diameter of bars in slab= 1/8x(thickness of slab )
🚧7. Maximum chair spacing = 1m
🚧8. Initial setting time of cement = 30 min
🚧9. Final setting time = 10 hrs ( 600 minutes )
🚧10. DPR = Detailed Project Report
🚧11. Unit weight
▶RCC = 25 KN/ m3
▶PCC = 24 KN/ m3
▶Steel = 7850 kg/ m3
🚧12. Minimum number of bars For square column or rectangular = 4 bars & For circular column = 6 bars
🚧13. Weight of steel = D2/162.2 kg/m.
🚧14. Slope of staircase = 25° -40° from horizontal.
🚧15. Size of concrete testing cube= (150x150x150)mm.
🚧16. Concrete cube is filled in 3 layers.
🚧17. Slump cone is filled in 4 layers.
🚧18. Cement should be used within three months of manufacturing.
🚧19. Minimum thickness of shear wall = 150 mm.
🚧20. Maximum thickness of shear wall = 400 mm.
🚧21. Universal testing machine is used for compression Test of concrete and tensile test of steel reinforcement.
🚧22. Minimum curing period of normal weather conditions is = 7 days
🚧23. Minimum curing period of dry and hot weather conditions is = 10 days
🚧24. Minimum percentage of steel in column = 0.8% of the cross section.
🚧25. Normal cover
➡️Footing = 50 mm
➡️Column = 25 mm
➡️Slab = 15 mm
➡️Beam = 25 mm
🚧26. Number Of Clear span stirrups in beam = Center to Center length /Total Length +1
🚧27. RCC is affected by water because of the corrosion of reinforcement bars.
🚧28. PCC is not affected by the water
🚧29. Maximum free fall of concrete = 1.5 m
🚧30. Air voids left in concrete is called as Honey Combing.
🚧31. The transverse reinforcement of column are called TIES.
🚧32. The transverse reinforcement in beams are called STIRRUPS.
🚧33. Cement ingredients are Burnt @ 1400°C temperature
🚧34. Short columns fail in Crushing.
🚧35. Long columns fail in Buckling.
🚧36. Intermediate columns can fail both in Buckling and Crushing.
🚧37. Strength of reinforcement shouldn't be less than 15 % of its designated strength.
🚧38. Compressive strength of bricks
▶️1st class bricks = 105 kg/cm2.
▶️2nd class bricks = 70 kg/cm2.
▶️3rd class bricks = 35 kg/cm2.
🚧39. PH value of water used concrete should not be less than 6.
🚧40. Riser = (150 - 200) mm.
🚧41. Tread = (250 - 300) mm.
🚧42. Height of parapet wall should be= 1m.
🚧43. TMT - Thermo mechanically treated bars.
🚧44. TMX - Thermax powered bars
🚧45. SDB - Super ductile bars.
#ConstructionNotes
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🚧1. Weight of one cement bag = 50 kg
🚧2. Minimu m thickness of slab = 125 mm
🚧3. Minimum lintel thickness =15 cm
🚧4. Minimum diameter of bars used in slab= 8 mm
🚧5. Minimum diameter of bars Used in column = 12 mm
🚧6. Maximum diameter of bars in slab= 1/8x(thickness of slab )
🚧7. Maximum chair spacing = 1m
🚧8. Initial setting time of cement = 30 min
🚧9. Final setting time = 10 hrs ( 600 minutes )
🚧10. DPR = Detailed Project Report
🚧11. Unit weight
▶RCC = 25 KN/ m3
▶PCC = 24 KN/ m3
▶Steel = 7850 kg/ m3
🚧12. Minimum number of bars For square column or rectangular = 4 bars & For circular column = 6 bars
🚧13. Weight of steel = D2/162.2 kg/m.
🚧14. Slope of staircase = 25° -40° from horizontal.
🚧15. Size of concrete testing cube= (150x150x150)mm.
🚧16. Concrete cube is filled in 3 layers.
🚧17. Slump cone is filled in 4 layers.
🚧18. Cement should be used within three months of manufacturing.
🚧19. Minimum thickness of shear wall = 150 mm.
🚧20. Maximum thickness of shear wall = 400 mm.
🚧21. Universal testing machine is used for compression Test of concrete and tensile test of steel reinforcement.
🚧22. Minimum curing period of normal weather conditions is = 7 days
🚧23. Minimum curing period of dry and hot weather conditions is = 10 days
🚧24. Minimum percentage of steel in column = 0.8% of the cross section.
🚧25. Normal cover
➡️Footing = 50 mm
➡️Column = 25 mm
➡️Slab = 15 mm
➡️Beam = 25 mm
🚧26. Number Of Clear span stirrups in beam = Center to Center length /Total Length +1
🚧27. RCC is affected by water because of the corrosion of reinforcement bars.
🚧28. PCC is not affected by the water
🚧29. Maximum free fall of concrete = 1.5 m
🚧30. Air voids left in concrete is called as Honey Combing.
🚧31. The transverse reinforcement of column are called TIES.
🚧32. The transverse reinforcement in beams are called STIRRUPS.
🚧33. Cement ingredients are Burnt @ 1400°C temperature
🚧34. Short columns fail in Crushing.
🚧35. Long columns fail in Buckling.
🚧36. Intermediate columns can fail both in Buckling and Crushing.
🚧37. Strength of reinforcement shouldn't be less than 15 % of its designated strength.
🚧38. Compressive strength of bricks
▶️1st class bricks = 105 kg/cm2.
▶️2nd class bricks = 70 kg/cm2.
▶️3rd class bricks = 35 kg/cm2.
🚧39. PH value of water used concrete should not be less than 6.
🚧40. Riser = (150 - 200) mm.
🚧41. Tread = (250 - 300) mm.
🚧42. Height of parapet wall should be= 1m.
🚧43. TMT - Thermo mechanically treated bars.
🚧44. TMX - Thermax powered bars
🚧45. SDB - Super ductile bars.
#ConstructionNotes
Join
@Architecturec
@Architecturec
@Architecturec