Question

2. Proportioning the Ingredients :​

Answer 1

Answer:

cement sand and water but each serves a particular purpose.

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hole u like my anwer.

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Answer 2

The proportions of coarse aggregate, cement and water should be such that the resulting concrete has the following properties:

When concrete is fresh, it should have enough workability so that it can be placed in the formwork economically.

The concrete must possess maximum density or in the other words, it should be strongest and most water-tight.

The cost of materials and labour required to form concrete should be minimum.

The determination of the proportions of cement, aggregates and water to obtain the required strengths shall be made as follows: