Answer / mukhram singh

curing is to be required for cement concrete prevent heating  for cement's chemical lime (CaCO3), silica (SiO2), alumina (Al2O3) and ferrous oxide (Fe2O3 etc. because concret is not creak. 

Answer / adil aziz

When we pour concrete after intial setting time chemical process is started which is known as hydration, certain amount of heat is evolved by which water gets evaporated, (if this water gets evaporated cracks get develop) so keep this concrete cool we sprinkle water on it.

Explain the water bound macadam roag

0 Answers  

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how to calculate 1:1.5:3 ratio concrete cement, sand, metal and water please give me brief calculation

5 Answers   DLF, Sobha Developers,

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What is the proportion of M 45 grade of concrete

2 Answers   Payal Construction,

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What is the full form of APVC Pipe?

1 Answers   GSECL,

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How much is the curing time period?

1 Answers  

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Reinforced concrete: suppose you are doing rough estimate for purchase of rebar for reinforced concrete slab for single stores residential building. You know total concrete volume will be 100 m3. How many tons rebar 6, 10 and 12mm will you require for the project?

1 Answers  

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Structural steel: For a thumb rule check in field, the allowable weight which can be hung down for 10mm dia mild steel rod, of yield value of 0, 25 KN/mm2 and applying a factor of safety 2.00, will be how many kg?

3 Answers  

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What is the strength of 150x150mm cube compared to 300x300mm concrete cube?? Why?

4 Answers   JP Group,

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Every Engg. know that =dia*dia/162.2 is Steel weight Formula, But very less people Know that orgin of 162.2 asumption.

3 Answers   ATS, Eurotech Construction, Juniper Networks,

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best hand book for civil engineers with practical criteria

2 Answers  

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List out the densities of different construction materials such as brick, steel, sand, aggregate etc...

19 Answers   Happy Homes, Sand,

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WHAT IS PMB IN CASE OF ROAD PAVEMENT? WHY PMB IS PREFERED THAN ORDINARY BITUMINIOUS SURFACING?

1 Answers  

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