adspace


Kindly furnish the relation between 7 days strength & 28
days compressive strength of Cement Concrete cubes. Can you
clarify whether the relation gets altered due to WATER-
CEMENT ratio?

Answer Posted / manohar cherala

The relation between the strength of concrete at lower age
and 28 day depends on may factors like chemical
composition,fineness of cement and temparature of curing.
Mixes with lower water cement ratio's gains early
strength's more rapidly than that of concrete with higher
water cement ratio's.Because of arrangement of cement
particles more closer in lower water cement ratio's and
formation of continous gel which gives more strength.

In general the 7 day strength is not less than 65% of 28
day strength

Is This Answer Correct ?    23 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Anyone have sample questions for bhel interview.please send me as Iam appearing for the interview on 19th sep2008. Kindly send this to my e-mail: arun_prasath_n@yahoo.co.in

2107


hi, i am appearing in HPCL(CIVIL ENGG.)exam. plz send me placement paper of this exam if u are having

2601


PLS.......... ANY ONE CAN FORWARD ME PREVIOUS QUESTION PAPER hpcl civil engg

2425


material used for mendrel use to bend epoxy coated rebar

2246


what is the difference between replacement of cement by groundnut shell ash

3308


How much area, in square meters, will one liter of paint cover if it is brushed out to uniform thickness of 100 microns?

1618


can u plz send me ntpc placement papers(civil engineering) at mohit_verma21@yahoo.com

2594


how to decide the mortar ratio 1:4,1:6 in masonry? same in plaster 1:3 and 1:4? which code or any document reference taken to define proportion?

2226


While calculating the weight of the steel per running meter, the formula used is [(dxd)/162]. Why 162 is used in denominator & how it is derived?

1672


cud any one send me tech quest paper(civil engg) at tarizus@yahoo.com

2264


i want to ecil (Electronics Corporation of India Limited Hyderabad) previous civil engineering question papers immediately please.............

3226


Draw a neat sketch showing the 'throat' of a welding in a plate girder ?

2546


what is the 0 value in quantity surveying

2480


HOw much % of premium on DSR-2013 currently

2051


I HAVE APPLIED FOR 20TH UES ARMY. I WANTED TO KNOW WHEN WILL I RECEIVE CALL LETTER FOR THE SAME.

2510