Answer / rethina kumar

generally concrete is strong in compression, weak in tension, that is reason we providing reinforcement in tension zone.

1.column is compression zone, so one day is enough to deshutter
2.slab is tension zone, so it need minimum 14 days to deshutter

How much overlapping required for welding the reinforcement bars in Columns & beams

3 Answers  

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plz. how many times required for compacting subbgrade in road way & how many water required?

1 Answers   Sail,

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Sand density

3 Answers  

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the building construction what type of equipments are used in site and its purpose?

1 Answers  

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A lorry contains 3-Units of material(Sand/Metal/Gravel...) so 3-Units means how many (CFT and M3)

2 Answers  

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what is the load capacity of bored pile pile dia 500mm

1 Answers  

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Deduction in length of reinforcement steel for bar bending

3 Answers   HCC, Lanco,

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How do we get this formula Ast=(0.5Fck/Fy) into(1-(in sqrt(1-((4.6Mu)/Fck.bd^2))into bd Fck=grade of cement i.e M25, M20 Fy=grade of steel i.e.Fe415,Fe250 Mu=moment b=width d=depth 

1 Answers  

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how to shuttering is used in slab

0 Answers  

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What are the basic use of runners and standards of pipelines?

0 Answers   Bechtel,

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what is difference of NP3 and NP4 pipe and what is the thickness of 1000mm dia NP4 pipe

1 Answers  

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why 50% more is assumed while calculating dry volume of coarse and fine aggregates in concrete calculations.whether 50% more is correct? How is it decided? whether the same is applicable to cement volume. Also what about cement mortar dr volume? How much more is to be considered for dry volume of mortar.

1 Answers  

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