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Basic civil engineering knowledge
The document outlines essential civil engineering knowledge, including specific dimensions for various structural elements such as footings, foundations, columns, and slabs. It also provides material properties and densities for concrete, brick, steel, water, cement, and wood. Key design considerations include minimum thickness requirements and spacing guidelines for reinforcement.
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Basic civil engineering knowledge
- 1. Civil Engineering Knowledge Civil Engineer MustKnow 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
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- 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 reinforced25 – 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 reinforced25 – 75 mm Heavily reinforced 75 – 100 mm Trench fill (in-situ & Tremie) 100 – 150 mm (For Tremie no need of vibrator)
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- 9. Civil Engineering Knowledge 1. Minimum thicknessof 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.
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