can crushed sand be used for m25 grade cement concrete

Good Information For Civil Engineer | Rehmat Khan - LinkedIn

2015211 ... FOR ALL CONCRETE GRADE: M5 = 1:4:8 M10= 1:3:6 M15= 1:2:4 M20= ... M25= 1:1:2 ... Volume of sand Require = (1.5/5.5 ) x 1.57 = .471 Cum ... for using mix=1.57 m3 then cement required=1/ ... can check it in IS code also.

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How to calculate cement aggregate and sand in KG by knowing the ...

Dec 18, 2015 ... Calculation of materials is shown in the following pic. I have assumed 45 percent of ... I have assumed 45 percent of increase in dry volume, it can be taken upto ... sand, aggregate and water require to make a 1m*1m*1m cube of M25? .... steel cement crush sand and water for 100 CFT concrete ratio 1:2:4?

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Mix Design For M35 Grade Of Concrete - Civil Engineering

Aggregate Type : Crushed ... Take Sand content as percentage of total aggregates = 36%. Select Water Cement Ratio = 0.43 for concrete grade M35 ... brand SP430 from Fosroc with a dose of 0.3 % by weight of Cement shall be used. ... i want to know the strength of M15, M20, M25, M35, M40, M45 for 7 days and 28 days.

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Calculate cement sand and aggregate | Nominal Mix Concrete | Civil ...

Sep 8, 2015 ... Nominal mix concrete is easy to follow in site, hence they are used for ... Ordinary concrete up to M20 grade can be designed by nominal mix concrete ... cement and sand fills the gaps between the aggregate (crushed stone).

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Effective Utilization of Crusher Dust in Concrete - International ...

the natural sand in concrete control mixes of M25 and M30 grades designed for 100 ... effectively used in concrete of above grades for replacement levels of sand by ... strength of concrete mainly depends on water/cement ratio, aggregate gradation ... Concrete industry now will have to go for crushed sand or what is called...

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Use of Quarry Dust to Replace Sand in Concrete - International ...

strength of concrete when replacing sand by quarry dust from 0% to in ... Coarse aggregate of 20mm maximum size is used in. Reinforced ... Properties. Crushed granite stone ... Two grades of concrete M20 and M25 having nominal mix proportion of ... cement ratio (w/c) which gives the slump of 60mm was selected.

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Mix Design for Concrete with Crushed Ceramic Tiles as Coarse ...

But it can e recycled and can be used as a ... The mix design for M25 grade concrete is done as recommended in IS ... Adjustments in sand proportion: For w/c ... The final mass ratio of cement, water, coarse aggregate and fine aggregate is.

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In this study, we have used grit and crushed sand for the design mix and ... It is possible to save up to 15% of cement for M20 grade of concrete with the help of concrete mix design. ... Mix design can give an economical solution based on the available .... Grade of concrete. M20. M25. M30. M35. Target strength (N/mm2).

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Farm structures ... - Ch3 Building materials: Concrete

The grades used are C7, C10, Cl5, C20, C25, C30, C40, C50 and C60, each ... literature the required grade of concrete is noted by the proportions of cement - sand ... but it can still be used if the lumps can be crushed between the fingers.

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Download - gjesrm

Concrete of M25 grade was designed for a W/C ratio of 0.48 for the ... Plain concrete is made by mixing cement, fine aggregate, coarse aggregate, water ... Stone dust is one of such alternative of sand that can fulfill the demand of fine aggregate. ... effectively used to replace natural sand without reduction in the strength of....

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