Difference between the setting time and hardenin time of concrete

5 Answers  

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Dear Engineers, Can you please advise me the material requirement to construct a room 4 M x 4 M 1. No. of Standard Brick 2. Requirement of Cement Bags 3. And Concrete for Steel, Cement, sand, etc Thanks

0 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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I am constructing a house having 20' X 19' hall. Do I need to go for a concealed beam. any alternative please? Thanks if a design is provided.

5 Answers  

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what is a coupler and where do u use it ?

1 Answers   ITC Infotech,

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How to calculate cement and sand quantities in cement mortar As 1:1,1:2,1:4,1:6 ?

15 Answers   Boss Global, JP Group, Kerakoll, NextGen, Simplex,

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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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what"s the formula to find the quantity (consumption) of cement,sand,aggregate for 1m3(1:2:4)?

11 Answers   ABB, Construction, Isher, L&T, Saudi Oger, Spectra, Strati,

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How to calculate lap,bond and hook length for preparing bar Bending schedule ?

11 Answers   L&T, Saudi Aramco Shell Refinery Company SASREF, Sunil Hitech Engineers, Tempus, Zain United Arabian,

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what is the safe bearing capacity of hard murum? can we consider it 50 ton?m2

1 Answers  

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Can anybody tell me how to calculate the quantity of a trapezoidal footing?With its formula and an example.

9 Answers   JTP, L&T,

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How and where are aqueducts built?

0 Answers  

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