What is concrete cover for reinforcement?
- Concrete cover for steel bar is much necessary to protect the steel against corrosion (rusting) and to provide resistance against fire.
- If fire occurs in the building, the steel might lose so much strength to impair its reinforcing effect and the beams might collapse.
- For R.C.C. Slab, the cover should be 15 mm.
- For RCC column the cover should be 25 mm to 40 mm depending on the size of steel bar and on thickness of the column also.
- In case of footing of column or walls, the cover shall be 50 mm to 75 mm .
- In case of beams the cover should be 25 mm to 40 mm (1 to 1.5) depending on the size of steel bars.
- When the numbers of steel bars are more than spacer between the bars must be used.
- To keep crank bar in position, support of required height may be used under crank bar in the RCC slabs.
In the construction of building work, there is need of various types of building materials which are used during the construction work at different stages. According to structural drawing, cement concrete of different qualities or mix are used in the building at different stages according to the type of building.
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Now you can construct your home/ building utilizing modern technology, known as ready mix concrete which not only creates a strong building but also helps in providing ease at work/site. This article tells you about ready mix concrete, preparation of ready mix concrete and its benefits.
Shuttering or Form work is most important part of any construction project. Steel, Wood or other likewise material is us
Mild steel bars in reinforced concrete are one of the exceptional building materials. Reinforced concrete requires very strong steel bars. This article provides a brief view of steel bars in cement concrete work.
Every process needs proper guideline and expert person or team to manage in construction or in any field. Even working with steel in RCC we need the same so just read the article to know Labor Guideline for Steel bars in RCC.
Columns are used to support the beam or roofs and transfer the load to the earth. These serve the decorative purpose also
The same cement can provide better coating to particle and hence more strength when coarse aggregate is used.
The cement concrete is a mixture of cement fine aggregate, coarse aggregate and water.
Concrete is strong in compressive stress but is weak in tensile stress.
The water for nominal mix concrete shall generally be equal to 5% by weight of aggregate and 30% by weight of cement.
For general work the different materials required for cement concrete mix is measured loose through measuring box by volume for 1 cement bag at one time.
Read points should be kept in mind while collecting raw materials for cement concrete in construction work.
Compressive strength is the most important property of hardened concrete. It can be measured easily on standard sized cube (15 cm) and is often taken as an index of the overall quality of concrete.
The cement concrete is a mixture of cement fine aggregate, coarse aggregate and water.
Kota stone flooring is a subtle blend of grandeur and luxury giving the interior and exterior a gorgeous look.......
To get maximum ventilation and natural light in your house, make sure the building is properly oriented. Orientation of building saves energy and provides comfortable living as well. This article tells you about various factors and benefits of building orientation.
Preview some of the most impressive pictures of kitchen from GharExpert Gallery.
A solid roof on building is very important for everybody living in the house. The roof should be constructed in a way that assures you great safety. Here are given details about different types of roofing.
Frames of doors and windows are most important parts of your doors and windows. They are available in different size, height, width and shapes. Frames hold locks and hinges and support door and windows to shut and open easily. Here is what you need to know about different doors and windows frames.
Cellular Light Weight Concrete (CLC) Foam Concrete Plant Manufacturer
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