The mix design for M35 Grade Of Concrete for pile foundations provided here is for reference purpose only. Actual site conditions vary and thus this should be adjusted as per the location and other factors.
Grade of Concrete : M35
Characteristic Strength (Fck) : 35 Mpa
Standard Deviation : 1.91 Mpa*
Target Mean Strength : T.M.S.= Fck +1.65 x S.D.
(from I.S 456-2000) = 35+ 1.65×1.91
= 38.15 Mpa
Test Data For Material:
Aggregate Type : Crushed
Specific Gravity
Cement : 3.15
Coarse Aggregate : 2.67
Fine Aggregate : 2.62
Water Absorption:
Coarse Aggregate : 0.5%
Fine Aggregate : 1.0 %
MIX DESIGN
Take Sand content as percentage of total aggregates = 36%
Select Water Cement Ratio = 0.43 for concrete grade M35
(From Fig 2. of I.S. 10262- 1982)
Select Water Content = 172 Kg
(From IS: 10262 for 20 mm nominal size of aggregates Maximum Water Content = 186 Kg/ M3 )
Hence, Cement Content= 172 / 0.43 = 400 Kg / M3
Formula for Mix Proportion of Fine and Coarse Aggregate:
1000(1-a0) = {(Cement Content / Sp. Gr. Of Cement) + Water Content +(Fa / Sp. Gr.* Pf )}
1000(1-a0) = {(Cement Content / Sp. Gr. Of Cement) + Water Content +Ca / Sp. Gr.* Pc )}
Where Ca = Coarse Aggregate Content
Fa = Fine Aggregate Content
Pf = Sand Content as percentage of total Aggregates
= 0.36
Pc = Coarse Aggregate Content as percentage of total Aggregates.
= 0.64
a0 = Percentage air content in concrete (As per IS :10262 for 20 mm nominal size of
aggregates air content is 2 %) = 0.02
Hence, 1000(1-0.02) = {(400 /3.15) + 172 +(Fa / 2.62 x 0.36)}
Fa = 642 Kg/ Cum
As the sand is of Zone II no adjustment is required for sand.
Sand Content = 642 Kg/ Cum
1000(1-0.02) = {(400 /3.15) + 172 +(Ca / 2.67 x 0.64)}
Hence, Ca = 1165 Kg/ Cum
From combined gradation of Coarse aggregates it has been found out that the proportion of 53:47 of 20 mm & 10 mm aggregates produces the best gradation as per IS: 383.
Hence, 20 mm Aggregates = 619 Kg
And 10 mm Aggregates = 546 Kg
To obtain slump in the range of 150-190 mm water reducing admixture brand SP430 from Fosroc with a dose of 0.3 % by weight of Cement shall be used.
Hence the Mix Proportion becomes:
|
Cem |
W/C |
Water |
Sand |
20mm |
10mm |
Admix |
|
400 |
0.43 |
172 |
635 |
619 |
564 |
1.2 |
|
1 |
|
0.43 |
1.6 |
1.547 |
1.36 |
0.003 |
Units – Kg/ M3
Cement : Sand: Coarse Aggregates = 1 : 1.6 : 2.907
We are thankful to Er. Ishan Kaushal for this valuable information.
If you have a query, you can ask a question here.
Pls send me details of all mix desigin of concrate.
Can anyone please tell me what is the Specific gravity of M35 concrete
Dear Sir,
I need information if M35 Grade + fiber steel and I wont to know how many % max
All akmost ok but , u did not taken into consideration regarding type of cement used. with 33 mpa cement or with 53 mpa cement how u should calculate for mix degine.
quite useful
THANK
Dear all,
Some time ago, a report was published treating the use of a nanosilica based additive of Cuore concrete. Unfortunately, I could not respond the mails send as comment on this matter as I had difficulties to check the given data.
The admixture is being distributed by Geotec Nanochemicals branches set up in Malaysia and South Africa, with more to come very soon.
As example of has been achieved in readymix, the following design of M 30
Cement : Cem. II 42,5 – 240 kgs.
crusher sand : 1050 kgs.
19 mm. stone : nom. sieve up to 21 : 890 kgs.
admixture : Geo concrete 1 hr. : 2.64 kgs.
total water : 140 kgs.
R. 5 : 24 mpa.
R.14 : 27 mpa.
R.28 : 38 mpa.
I hope I will be able to retrieve your comments and give proper answers.
Pascal Maes
Slump : 115 mm.
60 min : 95 mm.
90 min : 75 mm.
All… am a software proffessional and no where related to this concepts earlier. We do have construction business. As part of that i was just navigating these topics to give some Estimations on the constuction works. I can find all the clarifications given are good to the viewers. But am not able to understand the difference between these standards lile M-35 and M-60 Etc. It would be greatful if anyone can explain which standard is suggestioble for which type of construction like Cement roads, Building constructiona and Bridge works etc…..
thank you
what are the mix ratios for M 30 GRADE concrete…. pls. tell the necessary procedures..
please send me what’s the procedure for casting the slab
I need let you help me to be a very good engineer
Sir, can I used Zone-IV sand for design mix of M35 having TMS-43.25
sir, the ratio of m20 grade is 1:1.62:3.4 and the ratio of m35 grade is 1:1.6:2.907
so if we use the ratio (1:1.5:3) whish grade is this
can u please send the systematic way of designing a concrete strength of M35 WITH A NOMINAL AGGREGATE SIZE of 26.5
this is of which method. which method is convenient?
why is it that the 600 micron sieve for zoning of fine aggregate given non-overlapping values whereas the others in the table have overlapping values?
why is it that the 600 micron sieve for zoning of fine aggregate given non-overlapping values whereas the others in the table have overlapping values?
Dear Sir,
could you please tell me the difference between Indian standard M35 and Concrete used in Gulf M35
m35 grade mix desin