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cement and aggrigate sand crush cunsuption reconciliation civil work

how to calculate cement, sand and coarse aggregate quantity in concrete? - calculator

how to calculate cement, sand and coarse aggregate quantity in concrete? - calculator

Please note that the information in Civilology is designed to provide general information on the topics presented. The information provided should not be used as a substitute for professional services.

concrete calculator - estimate cement, sand, gravel quantity

concrete calculator - estimate cement, sand, gravel quantity

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate material consumption viz., cement, sand, stone gravel for the following concrete mix ratios - 1:1.5:3, 1:2:4, 1:3:6, 1:4:8, 1:5:10. Once, the quantities are determined, it is easy to estimate the cost of a concrete block, driveway, patio, yard or any other structure with the price prevailing in your area.

Our mix-on-site concrete calculation is based on batching by volume (Large construction sites employ batching by weight which is more exact). You can also estimate the quantity of sand and gravel required by weight; Simply multiply the volumetric quantity of sand and gravel with 1400 kg/m3 (bulk density of sand) and 1600 kg/m3 (bulk density of stone) respectively, when calculating in metric units.

how much cement sand & aggregate required for m25 concrete - civil sir

how much cement sand & aggregate required for m25 concrete - civil sir

How much cement sand & aggregate required for m25 concrete, hi guys in this article we know about how much cement sand & aggregate required per 1m3 of m25 grade of concrete & also know about how much cement required for M25 concrete & how to calculate cement sand aggregate required for 1 cubic metre of m25 grade of concrete.

Different grade of concrete like M25,M20,M15,M10,M7.5 & M5 are nominal mix grade of concrete in which M represent mix and numerical figure 25, 20, 15,10,7.5 & 5 are characteristics of compressive strength of concrete gain strength time period of 28 days after curing.

Understanding grade of concrete:- Grades of concrete are defined by its strength and composition of the concreting material cement sand and aggregate and the minimum strength the concrete should have following 28 days of initial construction. The grade of concrete is understood in measurements of N/mm2 or MPa, where M stands for mix and the MPa denotes the overall characteristics of compressive strength.

concrete grade types :- there are three types of concrete grade 1) normal grade of concrete, 2) standard grade of concrete& 3) high strength concrete grade. Normal grade of concrete are based on nominal mix ratio of cement, sand and aggregate have comparatively lower compressive strength than standard grade of concrete.

According to nominal mix concrete IS456 code book suggest that minimum grade of concrete is M20 which are used for RCC work and M5,M7.5, M10 and M15 are not used for RCC work, generally lower grade of concrete are used in mass concreting, formation of heavy wall, ground filling, retaining wall formation and all PCC work.

standard grade of concrete and high strength concrete are used to construction of high rise building, industrial building, commercial building, residential building, apartment, Bridge, dams and heavy structure.

Design mix concrete IS 456 code book suggest that standard and high strength concrete grade are made according to different types of considering factor like load bearing structure, earthquake resistance, bending moment of column, Environmental factors and quality of cement sand and aggregate.

M25 concrete ratio:- M stand for mix and numerical figure 25 is compressive strength of concrete is 25N/mm2 for curing time of 28 days and M25 concrete ratio is 1 : 1 : 2, mixture of cement, sand and aggregate in which one part is cement, 1 part is sand and 2 part is aggregate or stone mix with water.

M25 concrete mix ratio:- M stand for mix and numerical figure 25 is compressive strength of concrete is 25N/mm2 for curing time of 28 days. M25 concrete mix ratio is 1:1:2, made of mixture of cement, sand and aggregate in which one part is cement, 1 part is sand and 2 part is aggregate or stone mix with water.

Step 1 :- we have wet volume of concrete is equal to 1 cubic metre (1m3), but when we calculate actual quantity of dry ingredient cement, sand and aggregate of concrete we have to calculate dry volume of concrete.

For converting wet volume to dry volume of concrete we will multiply 1.54 in wet volume of concrete, now question is why we multiply 1.54 in wet volume of concrete. When mixture of cement, sand and aggregate mix with water, the number of air voids present in dry ingredient are evaporated in wet condition when mix with water so their volume is decreased by 54% in wet condition, so dry volume of concrete is increase by 54% of wet volume.

step 2 :- m25 nominal mix ratio is 1:1:2,in which one part is cement, one part is sand & two part is aggregate, then total mix proportion is equal to 1+1+2 = 4, and part of cement is equal to 1/4, part of sand is equal to 1/4 & part of aggregate is equal to 2/4

We have given dry volume of concrete is equal to 1.54 cubic metre and part of aggregate in concrete mix is equal to 2/4, density of aggregate is equal to 1550 Kg/m3 and one cubic metre is equal to 35.3147 cu ft

recycled concrete aggregate | crushed concrete aggregate | advantages | uses | crushed concrete price

recycled concrete aggregate | crushed concrete aggregate | advantages | uses | crushed concrete price

Recycled Concrete Aggregates or Crushed aggregates are those which are recycled from the demolished concrete structure. There are separated from concrete and processed for reuse for concrete or another purpose.

Crushed Aggregate will a decent thanks to scaling back construction prices whereas providing some edges to the surroundings. Recycled aggregate concrete not solely stays out of landfills, however, it conjointly replaces different materials like gravel that has got to well be mined and transported to be used.

Crushed debris is often used for road gravel, revetments, holding walls, landscaping gravel, or staple for brand spanking new concrete. giant items are often used as bricks or slabs or incorporated with new concrete into structures, a cloth referred to as urbanite.

The early phases of the many constructions come to involve the demolition of concrete foundations, sidewalks, driveways, and different concrete structures, which may leave a contractor with a large volume of serious, dense materials to traumatize.

Luckily, concrete is often recycled and reused in many ways. generally (but not always) the method involves crushing or pulverizing the concrete rubbish close to the demolition or vacant lot. selecting the most effective technique typically depends on the scale and form of the concrete items to be recycled.

Re-purposing urbanite (concrete detritus items) involves choosing and transporting the pieces, and exploitation them as slabs or bricks. The items are often formed, as an example employing a chisel; maybe effortful.

Crushing involves removing trash, wood, and paper; removing metals like rebar, exploitation magnets, and alternative devices, to be recycled separately;[citation needed] sorting the combination by size; crushing it employing a crushing machine, and removing alternative particulates by strategies like hand-picking and water flotation.

Giant road-portable plants will crush concrete and asphalt detritus at 600 tons per hour. These systems commonly embody a facet discharge conveyor, a screening plant, and a come-back conveyor from the screen back to the device for re-crushing giant chunks.

Compact, self-contained crushers will crush up to a hundred and fifty tons per hour and work into tighter areas. Device attachments to construction instrumentation like excavators will crush up to a hundred tons per hour and build crushing of smaller volumes economical.

Aside from the base course, RCA is a high-quality combination, the merchandise of various process steps together with crushing, pre-sizing, sorting, screening, and contamination elimination. The keys to start out with clean material that may be sized by product necessities.

Processing begins with primary jaws, cones, and huge impactors designed to scale back concrete rubble in size. This step could or might not be followed by the employment of secondary cones or impactors for the additional processes. Dirt and foreign particulate could also be removed by a scalping screen whereas the fine material could also be removed with a fine exhausting deck screen.

Water floatation, hand-selecting, air separators, and magnetism separators area unit accustomed to make sure the recycled concrete is freed from metal, clay, wood, dirt, plastic, and organic materials.

With high-quality combination provides changing into less accessible in several regions, in conjunction with redoubled pressure to divert materials like concrete from huddled landfills, it appears probably that concrete exercise can still grow in importance over the years ahead.

2. Recycled aggregate concrete is common as a base for roads, parking lots, and driveways, as well as backfill material and shoulder stone. Recycled concrete can also be used to create 2-4 recycled stone. This product is typically used for site stabilization, bottom layer road base, and backfill

3. Small items square measure used as gravel for brand spanking new construction comes. Sub-base gravel is ordered because the lowest layer during a road, with contemporary concrete or asphalt, poured over it.

4. The United States of America Federal route Administration could use such techniques to make new highways from the materials of previous highways. Concrete pavements are often tamed places Associate in Nursin used as a base layer for an asphalt pavement through a method known as rubblization.

There are issues regarding the usage of painted concrete because of potential lead content. The military Corps of Engineers Construction Engineering laboratory (CERL) etc. Have studied the risks, Associate in Nursing all over that concrete with lead-based paint ought to be safely used as fill while not a greaseproof cowl as long because it is roofed by soil.

Recycled Concrete Aggregate cost in the USA is around$15 to $ 55per ton, around $18 to $80percubicyard, and $2 to $5percubic foot, withprice, depends on the quality and quantity of recycled aggregate.

Crushed aggregates are waste material that can be recycled and reused to make concrete. Following are key benefits of it,Conserves natural resources compared to gravel mining. usage of one ton of cement will save one,360 gallons of water, 900 metric weight unit of CO2Reduces pollution from transport to landfills and dumpsReduces prices of transporting materials and wasteSaves lowland spaceCreates employment

Recycled Concrete Aggregate cost in the USA is around$15 to $ 55per ton, around $18 to $80percubicyard, and $2 to $5percubic foot, withprice depends on quality and quantity of recycled aggregate.

Recycled aggregate concrete is common as a base for roads, parking lots, and driveways, as well as backfill material and shoulder stone. Recycled concrete can also be used to create 2-4 recycled stone. This product is typically used for site stabilization, bottom layer road base, and backfill

calculate cement sand & aggregate - m20, m15, m10, m5 ratio | civil rnd

calculate cement sand & aggregate - m20, m15, m10, m5 ratio | civil rnd

Proper calculation and relative proportioning of materials are very important to produce cost-effective good quality of concrete. This article will explain you the simple techniques used by engineers to calculate cement, sand, coarse aggregate(gravel or Jalli) and water needed to prepare different concrete grades like M5, M7.5, M10, M15 and M20.

Based on strength, concrete is classified into different grades like M5, M7.5, M10, M15, M20 etc. In concrete grades, the letter M stands for Mix and the following number stands for characteristic compressive strength of concrete in 28 days in the Direct Compression test.

Concrete mix ratios are prescribed ratio of cement, sand and aggregate to get the desired strength in concrete. The volumetric mix ratio of M20 concrete is 1:1.5:3, hence 1 part of cement, 1.5 part of sand and 3 part of aggregate in volume is needed to prepare M20 grade concrete.

However, above concrete mix ratios may not be accurately followed in the construction site. This may be due to a few reasons such as to increase workability (by increasing fine aggregate River sand and M sand) or to reduce cost (by reducing cement content) etc.,

Excess reducing of cement content or increase of sand content will adversely affect the strength of concrete. Hence it is advisable not to increase the fine aggregate (river sand and M sand) content more than 30% above the prescribed ratio in any case.

While mixing of ingredients, cement and sand(fine aggregate) have to fill the gaps between the coarse aggregate before taking their own space. Hence in order to prepare 1 cubic meter of M20, M15 and M10 concrete you need 1.57 cubic meters of total dry volume: of cement, sand and aggregate and incase of M7.5 and M5 concrete you need 1.52 cubic meters total dry volume of cement sand and aggregate.

Many websites are giving different value for total dry volume, but the values given above have been personally verified, many times, and they are in par with different governments Rates of Analysis.

Weight of cement required can be calculated from multiplying the volume of cement with the bulk density of cement. The bulk density of frequently used cement varieties (both PPC and OPC) is 1440 kg/cu.m.

Suppliers sell sand and coarse aggregate in the measurement of Cubic Feet (CFT), UNITS and in lorry or tipper LOADS. One UNIT measurement is equal to 100 cubic feet. One cubic meter is 35.32 Cubic feet.

*As I have explained above, while calculating M7.5 and M5 grade concrete, total dry material required for concrete is taken as 1.52 instead of 1.55 and quantity of sand and aggregate is adjusted for M10 and M5 based on experience.

Lets find out the quantity needed to prepare M20 grade by the codal procedure. Sand is confirmed to Zone II average grading. The ratio of fine to coarse aggregate is chosen as usual as 1:2. From the above table we know we need 250kg of total dry aggregate for our concrete.

For design mix concrete water content is calculated from Wate/Cement ratio which depends on various factors like the weight of cement, workability etc. But for nominal mix concrete IS456 codebook suggests the following quantities per bag of cement.

Sir you have given the derivation to calculate coarse and fine aggregate in kg for one bag of cement.But I need in CFT for one cft of cement how much coarse ,fine aggregate needed in CFT and water required in lit as per IS- 456 & IS-10262 can pls share the derivation for CFT calculation

very nice information shared, but i think this is nice to understand to mechanism of concrete mixing, but at every site material composition is changed, thus it is necessary to provide specimen of material to laboratory for testing so that they can confirm accordingly. appreciated to nice information.

For Road M 10, M 15 concrete may be used. For any kind of building different grade of concrete is used in different parts of the building. For example foundation, PCC M7.5 and M10 are used but for floor slab only grade above M20 should be used.

Weight to volume ratio of SAND AND AGGREGATE are different in different grades i.e. M20 M15 etc. How has this difference crept in and confuse us? Quantities of components should not differ whether we follow weight method or volume method. M20 85 kg=15 cft M15 110 kg=15.82 cft M10 160 kg=16.64 cft M5 265 kg=16.64 cft (All sand quantities) this is to be corrected to avoid propogation of wrong information. Corrected quantities may be mailed to me or correct explanation may be mailed to me. K.E. Ansar

I understand your question. You should understand that Nominal Mix concrete and Design mix concrete are both different. Though they both have the same Grade name, nominal mix concrete is usually designed for higher strength then mix design concrete. This is due to the fact that while designing nominal mix concrete we dont consider various factors like the type of sand and compactness of sand and, presence of moisture absorbtion. To put it simply that while designing nominal mix concrete, we design for bulk densities of the materials which vary based on the compaction of the material. So, 1. weight to volume ratio WILL differ as any nominal ratio prescribed are only approximation as stated in code books for the reason mentioned above. 2. Quantities of the material will differ but only in acceptable range. 3. The quantities given above are in par with Rate of Analysis of various states and the quantities in the weight given is directly from IS456 recommendation for Nominal mix concrete. If you want accurate proportion and know what you are doing then calculate bulk density of sand and aggregate supplied to your site and tweek the weight proportion ratio to get the volume proportion. The cushion should be provided because the volume is not absolute like weight it differs based on compaction, grading and moisture content of the aggregate.

sir , 1.how to calculated the one cubic feet 20mm mixer rate & labhour charge 2.how to calculated the one cubic feet size stone/bricks massonary rate & labhour charge 3.how to calculated the one cubic feet staricase material, rate & labhour charge 4.how to calculated the one cubic feet size earth work rate & charge

I would like to know the approximate total cost for M20 concrete when I use 645 bags of cement of 50 Kg using Msand and 20 mm aggregate..Approx cost is 380 Rs per bag. Would appreciate your quick feedback. Tx

we recently engaged in a contract with a builder and he says 1:3:4 ratio for concrete. he says he normally do this for 2 floor buildings. Is this ratio a good one? please suggest at the earliest. Thanks

Good morning sir, It is very useful information. Now I have started G+2 building construction in 2000SFT (Ground floor area). I have given the contract for construction. They are using 1 : 2.5 : 3 (Actually they have suggested 1 : 2.5 : 3.5 ) for concrete and 1 : 6 for brick work. We are using Ultratech 53 grade cement (OPC) cement. May I know is it good?

Contractors usually add extra sand to reduce the cement content and also to increase the workability(consistency) of concrete. The strength of the concrete greatly depends on the density of the concrete hence we should not play with the ratio of sand to aggregate. I would suggest the ratio of 1:2:3 or 1:1.5:3 for M20 grade concrete and 1:2:4 or 1:2.5:3.5 for M15 grade concrete.

If you prepare concrete with your ration then the concrete will have too much sand. Too much sand causes shrinkage and this will not give high-density concrete. Hence use 1:2:3 for good strength and 1:2.5:3.5 for moderate strength.

If you want to increase strength then reduce the water content and use Chemical admixtures like super plasticisers. If you want good compaction and high density then you can use two different types of aggregates like 10mm aggregate and 20mm aggregate.

I dont think that is a good ratio to obtain good quality of concrete, Mr. Hussain. You will end up using too much sand which is not good for concrete. Maybe 1:3:5 is a good ratio. Either way, you should follow the same procedure given above.

It very easy. Make Excel sheet with the help of Excel formula. And entre data of m20 concrete carefully from the book of estimating costing. Once u will create u can see any quantity of M grade of material. In few seconds just by chang the value but it before all u need to well knowledge of MS. Excell . If u need reliable excel formate data contact me on FB Id vishv Dev bhagat

Sir, how do I calculated or determine the quantity of materials required per cubic meter by weight to create a concrete mix? the specifications are: 1. maximum size aggregate 1.1/2 in. 2. cement content 8 bags per cubic meter 3. W/C ratio 0.65 4. assume air voids 6% of aggregate volume.

There is no nominal mix ratio for m25 grade. some people will say that m25 grade is 1:1:2 but they are wrong. Codebook says that concrete above M20 grade should be designed only by procedure from the IS10262

In your case Volume of concrete = 1.7 x 1.7 x 0.5 = 1.4 cu.m It looks like you are using m20 grade mix with extra sand. If you follow that mix proportion then to calculate use this following method. Total ratio = 1 + 2 + 3 = 6 Cement required = (1/6) x 1.5 = 0.25 cu.m (refer the post to change cu.m to bags) Sand = 0.25 x 2 = 0.5 cu.m Aggregate = 0.25 x 3 = 0.75 cu.m

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