Cement Concrete

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. Details of various qualities or mix used in different types of buildings at different stages are as under.

Cement concrete 1:8:16

Where cement concrete 1:8:16 ratio is used it means 1 part of cement 8 parts of fine aggregate/ sand and 16 parts of coarse aggregate. This ratio cement concrete is very low in strength and is recommended for the following type of building and work:-

Used in foundation of walls of ordinary and single story building.
Used in foundation of semi permanent structure.
Used in foundation of temporary structure.
Used in foundation of toe walls.
Used as base coat under floors and pavement.
Used in foundation of boundary walls.

Cement concrete1:6:12

Where cement concrete 1:6:12 ratio is used it means 1 part of cement 6 parts of sand and 12 parts of coarse aggregate. This ratio cement concrete is low in strength and is recommended for the following type of building and works:-

Used in foundation of two or three story buildings.
Used in foundation of abetments, piers and retaining walls.
Used in foundation where low bearing capacity of soil is obtained.
Used as basecoat under taxi tracks, pavement and cement concrete road.
Used as base coat in floor of stream in bridges and culverts.

Cement Concrete 1:4:8

Where cement concrete 1:4:8 ratio is used it means 1 part cement 4 parts of sand/fine aggregate and 8 parts of coarse aggregate. This ratio cement concrete has medium strength and is recommended for the following type of buildings and works:-

Used in foundation of multi story buildings.
Used in foundation where low bearing capacity of soil is obtained
In buildings where there is more vibration due to heavy traffic or running of factory.
Under foundation of RCC columns, stairs, raft, RCC walls.
Where water table is high.
At the places where less depth of foundation available due to site condition.
Air strips and taxi tracks base coat.

Cement Concrete 1:3:6

Where cement concrete 1:3:6 ratio is used it means 1 part cement 3 parts of fine aggregate or coarse sand and 6 parts of coarse aggregate. This ratio cement concrete has medium strength and is recommended for the following type of buildings and works:-

Used in mass concrete, bed plates, concrete blocks, canal lining and chowkats hold fast etc.

Cement Concrete 1:2:4

Where cement concrete 1:2; 4 ratio is used it means 1 part cement 2 parts of fine aggregate or coarse sand and 4 parts of coarse aggregate. This ratio cement concrete has good strength and is recommended for the following type of buildings and works:-

Used in footings of columns and raft foundation.
Used in beams, slabs, columns, stairs and walls of ordinary, single story and temporary buildings.
Used in retaining walls, pavements, floors and bedplates etc.

Cement Concrete 1:1.5: 3

Where cement concrete 1:1:5:3 ratio is used it means 1 part cement 1.5 parts of fine aggregate or coarse sand and 3 parts of coarse aggregate. This ratio cement concrete has very good strength and is recommended for the following type of buildings and works:-

Important RCC structures, piles, arches, impermeable construction against water heads.
This ratio of cement concrete is safe against earth quake.

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Ready Mix Concrete

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.

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Shuttering or Form work is most important part of any construction project. Steel, Wood or other likewise material is us

Mild Steel Bars in Cement Concrete

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.

Labor Guideline for Steel bars in RCC

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.

Column and Frame Structure Building

Columns are used to support the beam or roofs and transfer the load to the earth. These serve the decorative purpose also

How to get more strength with same quantity of cement?

The same cement can provide better coating to particle and hence more strength when coarse aggregate is used.

What is cement concrete and which are various ratios according to the site requirement?

The cement concrete is a mixture of cement fine aggregate, coarse aggregate and water.

What is Reinforced Cement Concrete?

Concrete is strong in compressive stress but is weak in tensile stress.

What quantity of water is required for cement concrete?

The water for nominal mix concrete shall generally be equal to 5% by weight of aggregate and 30% by weight of cement.

What precautions should be taken while mixing/laying cement concrete mix to the required site?

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.

Cement Concrete Raw Material

Read points should be kept in mind while collecting raw materials for cement concrete in construction work.

What is concrete cover for reinforcement?

The concrete cover for steel bar is very much necessary to protect the steel against corrosion(rusting) and to provide resistance against fire.

Concrete Mix Ratio

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.

What is cement concrete and which are various ratios according to the site requirement?

The cement concrete is a mixture of cement fine aggregate, coarse aggregate and water.

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