What is the Cement: sand: aggregate: water ratio for grade 30 (G30) concrete.

2 Answers   L&T,

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What isthe formula for square

1 Answers   Panchayati Raj Department,

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Okay guys I m new here i wanna ask you that ,if i mix two three larger stones (about 20cm dia)in concrete for column or footings what actually happens, how the strength of concrete is reduced? and why it is not allowed?

3 Answers  

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# 1, What should be the Maximum Water observation of wood # 2. Is Alluminium is an alloy or not

2 Answers   Brigade,

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i have span of 6m x 4m how do i calculate the reinforcement of steel i needed and to at what distance and also the thickness of slab. looking forward thank you RAVI

0 Answers  

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What is the order of MIX Design of concrete? a)Cement :Stone:Sand b)Cement :Fine aggregate :Coarse Aggregate?

2 Answers  

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As per thumb rule cement required per 1 cum of M20 concrete is 411Kg/cum(1.57/5.5=0.285cum of cement i.e 0.285*1440=411Kg).But as per PWD rate analysis cement required is 347Kg/cum.the difference is 64Kg.This kind of difference is coming every grade of concrete.Can you give perfect suggestion regarding this.

2 Answers  

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how to find ssm in foundation?

0 Answers  

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What are the advantages of Prestressed Concrete

4 Answers  

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what is mean by bond strength?

1 Answers  

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Why I-section is preferred to channel section?

7 Answers   Engineers India,

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how to check the quality of concrete

3 Answers  

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