Basic civil engineering knowledge. The important point for civil engineer. 1. Grade of concrete 2. Concrete Cover 3. Unit Weight of Steel Bars 4. Unit weight of materials 5. Slum Value 6. Other Important Point Visit My Website: http://civiconcepts.com My Facebook Page: https://www.facebook.com/civiconcept My Twitter Account: https://twitter.com/civiconcepts1 My Instagram Account: https://instagram.com/civiconcepts My Linkedin Account: https://www.linkedin.com/in/civiconcepts

1. Civil
Engineering
Knowledge
Civil Engineer Must Know this
Point

2. Civil
Engineering
Knowledge
M 5 = 1 : 5 : 10
M 7.5=1 : 4 : 8
M 10= 1 : 3 : 6
M 15= 1 : 2 : 4
M 20= 1 : 1.5 : 3
M 25= 1 : 1 : 2

3. Civil
Engineering
Knowledge
:
1. FOOTINGS : 50 mm
2. RAFT FOUNDATION TOP : 50 mm, BOTTOM/SIDES : 75 mm
3. COLUMN : 40 mm
4. SHEAR WALL : 25 mm
5. BEAMS : 25 mm
6. SLABS : 15 mm
7. FLAT SLAB : 20 mm
8. STAIRCASE : 15 mm
9. RET. WALL : 20/ 25 mm on earth
10. WATER RETAINING STRUCTURES : 20/30 mm

4. Civil
Engineering
Knowledge

5. Civil
Engineering
Knowledge
1. Concrete = 25 KN/m3
2. Brick = 19 KN/m3
3. Steel = 7850 Kg/m3
4. Water = 1000 Lt/m3
5. Cement = 1440 Kg/m3
6. WOOD = 1100kg/cum

6. Civil
Engineering
Knowledge
 Lightly reinforced 25 – 75 mm
 Heavily reinforced 75 – 100 mm
 Trench fill (in-situ & Tremie) 100 – 150 mm
(For Tremie no need of vibrator)

7. Civil
Engineering
Knowledge
 Lightly reinforced 25 – 75 mm
 Heavily reinforced 75 – 100 mm
 Trench fill (in-situ & Tremie) 100 – 150 mm
(For Tremie no need of vibrator)

8. Civil
Engineering
Knowledge

9. Civil
Engineering
Knowledge
1. Minimum thickness of slab is 125 mm.
2. Water absorption should not be more than 15 % for brick
5. Chair spacing maximum spacing is 1.00 m (or) 1 No per 1 m2.

10. Civil
Engineering
Knowledge

11. Civil
Engineering
Knowledge