A civil engineer does many activities at the construction site and there are certain activities that are repetitive in nature. So, here are some points, tips, and tricks that a civil engineer should remember for faster calculations as well as quick solutions to construction site problems.
Following are a few general points to remember for civil site engineers to make the construction work easier while maintaining the quality of construction.
- Lapping is not allowed for the bars having diameters more than 36 mm.
- Chair spacing maximum spacing is 1.00 m (or) 1 No per 1m2.
- For dowels rod minimum of 12 mm diameter should be used.
- Chairs minimum of 12 mm diameter bars to be used.
- Longitudinal reinforcement is not less than 0.8% and more than 6% of gross C/S.
- Minimum bars for a square column are 4 No’s and 6 No’s for circular columns.
- Main bars in the slabs shall not be less than 8 mm (HYSD) or 10 mm (Plain bars) and the distributors not less than 8 mm and not more than 1/8 of slab thickness.
- The minimum thickness of a slab is 125 mm.
- Dimension tolerance for cubes + 2 mm.
- Free fall of concrete is allowed a maximum of 1.50m.
- Lap slices not be used for bars larger than 36 mm.
- Water absorption of bricks should not be more than 15 %.
- PH value of the water should not be less than 6.
- The compressive strength of Bricks is 3.5 N / mm2.
- In steel reinforcement binding wire required is 8 kg per MT.
- In soil filling as per IS code, 3 samples should be taken for core cutting test for every 100m2.
Super Sulphate cement: 7 days Ordinary Portland cement OPC: 10 days Minerals & Admixture added cement: 14 days
