how to calculate the required qantities of cement, Sand and
aggrigate to prepare 1 Cum of concrete mix 1:2:4

Answer Posted / pritesh .c . bhoi

mix desighn = 1:2:4= 7
quantity is 1 cum add 52% westage and shreankage
so 152 cum
cement = 1*1.52/(7)=0.21714 cum (dry volume)
volume of one bag is 0.0347 cum
so no of bags are 0.21714/0.0347= 6.25 nos say7 numbers
bags are required
sand = 2*1.52/(7)=0.43428 cum
course aggregates = 4*1.52/(7)=0.86857 cum so conclution
is
cement =7 nos bags
sand =0.43428 cum
course aggregates =0.86857 cum
if any mistake please informed . thank you

Is This Answer Correct ?    24 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which brick is best for construction ,either fly ash or AAC BLOCKS

588


How do You Maintain a structure after getting cube test of low strength.

1833


What is need for setting limits?

658


What will be the exam pattern and syllabus for j.e post of haryana staff selection commision? Advt no. (02/2015) Some people says it would only be objective type question papers while others say it would be same as ssc (1 objective,1 conventional) ?? Please answer this question it is needfull to all.

1343


How long does it take concrete to harden?

671






how can calculate the compressive strength of concrete cylinder by water cement ratio ?

1237


2nd and 4rt angle elevation used in which country ?

1841


An interior designer designed a rack with the given dimensions. The dimensions are in feet. This coplanar frame repeats at every 5feet and constitute a space frame. The total length is 120feet. Which steel member will you suggest? A square bar, A square tube or a circular tube. Explain.

1555


Bitumen grades are 30-40,60-70, 80-100. what is mean by 30- 40

91620


how do you calculate the quantity of steel,cement for plinth beam. (example size 41'*0.58'*1.08')

2187


how to calculate steel for slab or footings?

1196


how do we calculate quantity of cement sand and aggregates in 1m3 of m20 m25 grade concrete?

2004


Why should pumping be not used in case of concreting work?

897


Why should you show Client/Engineer activities clearly on the project plan?

1960


roll of DLC in road constructions

1418