Volume of Sand = 1/4 x 1.55 3. CIVIL ENGINEERING VIDEO PLAYLIST https://www.youtube.com/playlist?list=PLL2f27rPsd8kZE4FiBVJPveF2QFTq-1r7 Sand = ??? You can calculate the volume of concrete mix ratio or in different measurements such as mm 3, ml, l, cm 3 and so on. Terms* Aggregate = 0.88 cum. How To Calculate Quantities Of Materials For Concrete. Please where do you get 1440kg/m3 from? 1 Calculation Of Materials For Different Mix Ratio: 40+ Small Swimming Pool Designs Ideas For Your Backyard, 50+ Modern Curtain Designs For Your Home Interior, 40+ Modern TV Unit Designs For Your Your Home, What Is Spalling Of Concrete - Its Causes and Repair, Top Down Construction - Procedure, Advantages And Disadvantages, Top Civil Engineering Project Topics For Final Year Students. How many Cft in 1 Cum = 35.31 cft, Mix Ratio = 1:2:4 (cement:sand:aggregate), To get dry volume, wet volume increased by 54%, Dry volume of concrete = 1.54 (Volume increased by 54%). sir please explain what is 0.353 which you multiply with 0.45 in calculation of water content .. please i need the answer will be very thankfull to you. Cement = ??? cft/cum We multiply 1.54 due to voids present in it. What is the concrete mix ratio for 3000 psi concrete (also 20MPa concrete) The concrete batch plant ticket you see below is for an 8 yard load of concrete. Concrete Mix Ratio for a C20 and C20P (Portland) Mix. Now add the air voids of sand and aggregate that are 20% +34% = 54% so this is the reason we have to add 54% for wet to dry volume of materials. You will notice when the concrete strength increases using this method. A low water to cement ratio is the number one issue that affects concrete quality. Dry Volume of Concrete = 1 x 1.54 = 1.54 m 3. length x width x height = volume in cubic feet Now you can check it in the article. Lorem ipsum dolor sit amet, consectetur adipiscing elit.Morbi adipiscing gravdio, sit amet suscipit risus ultrices eu.Fusce viverra neque at purus laoreet consequa.Vivamus vulputate posuere nisl quis consequat. For the calculation of water quantity for concrete, first of all, we have to find the quantity of cement. This paper tell explains how the ratios are derived, Calculation Of Materials For Different Mix Ratio: How To Calculate Quantity Of Materials In Arch, How To Calculate Volume Of Concrete For Staircase, How To Calculate Water Content For 1 m³ M25 Concrete, How To Calculate Number Of Concrete Blocks In A Wall, How To Calculate Concrete Volume For Retaining Wall. Where volume of 50 kg cement = 0.0353 cum. Here, M denotes Mix and Number denotes characteristics compressive strength of concrete … Many civil construction workers are familiar with concrete mix ratios, but not many actually knew how the ratios are derived. Concrete Ingredients Calculation. Numbers of Cement Bags in 1 cum = 28.8 nos. On the bottom of the ticket it shows you the actual weight of cement, sand, aggregate, and water. How to find aggregate and sand in Kg it is given in cum?? Use the optimum ratio of fines to coarse aggregate. Lost your password? The approximate quantities are Assuming bulk densities of materials per cubic meter, cubic feet and cubic yards as follows: Cement = 1500 kg/m3 = 93.642 lb/ft3 = 2528.332 lb/cubic yards Weight of Cement = 384.8 kg/m 3. The concrete mix ratio table gives the mix proportions by volume parts then converts them into kg to mix 1m3 of concrete. I have explained, What is 1.54. Cement concrete is the major building material in the construction industry. These steps will help you to calculate water-cement ratio in the design of the concrete mix so that you can control the quality of concrete. Materials required are 7 nos. As a guideline, please advise on the nominal mix proportion by Volume for M40 would be 1 : ??? of cementitious Water / Cementitious Ratio Often when w/c is discussed its really w/c m that is intended as the reference = Water cement ratio www.concrete-pipe.org Water cement ratio Water needs to be drinkable or meet ASTM 1602 Here is the table showing concrete mix ratio of various grades of concrete such as M5, M7.5, M10, M15, M20, M25, M30, M35, M40. The cement content increases far more than the prescribed concrete mix table. Formula, Sand = (Volume of dry concrete/a+b+c) × b. Enter Height (mm) Enter Length (m) Enter Width (mm) AfriSam Foundation or Star Mix. You can check it in the article. Mix design plays an imperative function in civil construction projects. Weight of Coarse aggregate = 1073.33 kg/m 3. Here, we have used cubic meter unit but you can also calculate in cubic feet unit. Explained, What is 1.54. Density of Aggregate is 1500/m 3 Calculation for KG = 0.84 x 1500 = 1260 kg By registering, you agree to the Terms of Service and Privacy Policy. Note: Yield of concrete is considered as 67% &. I hope now you understood how to calculate quantity of material for different concrete mix ratio. How to calculate?? To produce a cubic yard of 4000 psi concrete, you have to adjust the concrete mixing ratio to: 611 pounds of cement or (277kg) 1450 pounds of sand or (657kg) 1600 pounds of stone or (725kg) 33- … Of cement bag, Such valuable information about taking quantities on concrete, it has more than enough Detailing. This concrete mix proportions is perfect for making ponds, elevated plant boxes, and similar projects because this particular mix of concrete produces a water tight end product that allows only a … How to calculate/use sand and aggregate in site , which is in cubic feet or cubic meter. bags/cum of concrete thanks, 1.54 mean, volume + shrinkage of concrete= 1 + 54%, sir, it is very useful information But sir i have one dout plz clear this what is 0.0353 in water. Let us assume the water/cement ratio of the concrete is 0.45. Volume of Coarse Aggregate = 2/4 x 1.55 4. To know the Concrete Mix Design follow below:- Concrete ratio and the quantity of material involved in the formation of the concrete what civil engineer as the fresher dont know these days , i recommend them to read your article well written and they can easily learn from here and sharpen their skills for the interview. For M-15 grade concrete (1:2:4) Cement = 6.336 bags. Concrete Mix Design Calculation : M20, M25, M30, M40 Grade Concrete Concrete mix design is a procedure of selecting the suitable ingredients of concrete and their relative proportions with an objective to prepare concrete of certain minimum strength, desired workability and durability as economically (value engineered) as possible. In our previous article, we have already discussed how to calculate bricks in a wall. = (1.54/a+b+c) × b = (1.54/1+2+4) × 2 = 0.44 cum. Concrete Mix design calculation of M20, M25, M30 grade of concrete with example. Formula, Cement = (Volume of dry concrete/a+b+c) × a, = (1.54/a+b+c) × a = [(1.54/1+2+4)] × 1 = 0.22 cum. I hope now you understood how to calculate quantity of material for different concrete mix ratio. Normally, we used the water-cement ratio falls under 0.4 to 0.6 per IS Code 10262(2009) for nominal mix i.e. – Types of Grouting, Advantages, Applications and Process. Quantity estimation of materials is essentially required in any construction works and quantity of materials depend on the mix proportions of the concrete. For Calculation in Cubic Feet = 0.42 x 35.31 = 14.83 Cubic Feet . It can be easily moulded into durable structural members. Calculation of Quantity of Materials For Concrete Mix Ratio, Seasoning of Timber – Purpose, Advantages & Methods, Grade Of Concrete And Their Uses – Concrete Mix Ratio, Grillage Foundation – Types, Advantages & Disadvantages, What is Grouting? Dry aggregate contains 33 to 34% air voids, whereas sand contains 20% air voids and cement contains very fine particles hence it contains negligible are voids so we can ignore it. Or which unit is preferable feet or meter. Please note: Wastage of 5% to be allowed. Do not add too much water. Foundations keyboard_arrow_right. Weight of Water = 197.4 kg/m 3. Concrete Mix Ratio Calculator. In case of trial mix 3 water cement ratio is varied by +10% keeping water content constant. Strength improves with lower water cement ratios. Files > Download Concrete Mix Design EXCEL Calculator - CivilEngineeringBible.com (FREE!) of cement w/c m ~ lbs. Thank you very much for this kind of articles.Its really useful .Thank you very much again. Density of Cement = 1440 kg/ m3, Density of Sand = 1450 – 1500 kg/ m3, Density of Aggregate = 1450 – 1550 kg/ m3, Quantity or Weight of Cement in 1 Bag = 50 KG, Volume of 1 Bag Cement in Cum = 0.03472 cubic meter, Volume of 1 Bag Cement in Cft = 1.226 cubic feet. Im no engnr wanted to lessen my expenses to renovate my house can you please help me …. In Note you have written “Yield of concrete is considered as 67%” what does that actually mean? Assuming we need 2 m 3 of concrete for M20 Concrete Mix, (Mix Ratio, M20 = 1 : 1.5 : 3) Total Part of the Concrete = 1+1.5+3 = 5.5 Parts. Aggregate = ??? It plays a major role in creating a strong, durable concrete block. From the IS Code standard, Assuming the water-cement ratio for M20 is 0.5 So the required 1. The right ratio of portland cement, sand, aggregate (stone), and water can create a strong and durable concrete mix. As we know, 1 bag of cement contains 50 kg of cement . You will receive a link and will create a new password via email. Today we will discuss how to calculate quantities of materials for different mix ratio of concrete. Because of improper calculation of water-cement ratio gives an adverse effect like segregation, bleeding, decrease in strength of concrete, decrease in durability of concrete etc. Example calculation Estimate the quantity of cement, sand and stone aggregate required for 1 cubic meter of 1:2:4 concrete mix. cft/cum Your kind sharing is very much appreciated, Thank you so much much for the detailed information, Sir articles are very good. This is another defect of extra water added to concrete-mix. However, it could be quite difficult for a non-professional to calculate the total volume, therefore it would be best to hire a professional Brick & Stone Repointing service provider to do the job for you. : ??? M 15 (1:2:4), M 20 (1:1.5:3) are the nominal mix ratio of concrete. 4 • It’s a calculation: w/c ~ lbs. You can calculate the total volume of stone required through using the formula given below: Quantity of Cement = Dry volume/sum of ratio × ratio of cement, = 1.54 / 7 × 1 = 0.22 cum (where 1 is ratio of cement), Quantity of cement in kg = 1.54 / 7 × 1440 (Density of cement = 1440 kg/ m3), Quantity of cement in Bags = 316.8 / 50 = 6.336 (weight of one bag cement = 50 kg), Quantity of cement in cubic feet = Nos of bags × 1.226 (Volume of 1 bag cement = 1.226 cft), Quantity of Sand in cum = 1.54 / 7 × 2 (where 2 is the ratio of sand ), Quantity of Sand in kg = 0.44 × 1450 (density of sand = 1450 to 1500 kg/m3), Quantity of Sand in cubic feet = 1.54 / 7 × 2 × 35.314 (1 cum = 35.314 cft ), Quantity of Sand in cubic feet = Nos of cement bags x Volume of one bag cement in cft × Ratio of sand, Quantity of Aggregate in cum = 1.54 / 7 × 4 (where 4 is the ratio of aggregate ), Quantity of Aggregate in kg = 0.88 × 1500 (Density of Aggregate = 1450 to 1550 kg / cum ), Quantity of Aggregate in cubic feet = 1.54 / 7 × 4 × 35.314, Quantity of Aggregate in cubic feet = Nos of cement bags × Volume of one bag cement in cft × Ratio of aggregate, Let us consider water cement ratio = 0.45, Water requirement for 1 bag cement = 0.45 x 0.0347 (Volume of 1 bag cement = 0.0353 cum), Water requirement for 1 bag cement = 0.0156 × 1000, Water requirement for 6.336 bag cement = 6.336 × 15.6. How to Calculate Quantity of Material For Plastering? Concrete Mix Proportions for Trial Mix 2. Durability increases the less permeable the concrete mix is. First of all 1:3:6 mix ratio is for M10 concrete and it is not permitted by the IS:456 specifications. What if we have to calculate for different dimension like for L=5m, B=3m, T=1m, then? Please enter your email address. Just assume that the required volume of cement for the mix is 100 kg and W/C is 0.4. Sir can you explain why we multiply wet concrete by 1.54. Please provide articles related to tender. The strength of nominal mix concrete varied widely for given workability due to variation of mix ingredients. concrete decreases. (Dry mix method). So a mix ratio of 1:2:4 represents Cement: Sand: Aggregate – 1:2:4 (by Volume) ... From the above calculation, we have already got the weights of individual ingredients in concrete. It’s okay, but I need also culculation of sand, cement and stones required in stone pitching, volume of cement=mass/density…(50kg/1440kg/m3)=0.0347cum, Wonderful practice calculations. Required water for 1 bag cement=0.0159 × 1000 = 15.9 Litre. This tells the mixer that they need to add 1 part cement powder, 2 parts sand, and 3 parts aggregate in order to create the desired concrete consistency. And what’s meant by cum? Due to content of water in dry material automatically dry material reduces to 50 to 55 percent so we add it 54 percent in to dry material. This is a Volumetric Calculation. Similarly, we can calculate the quantity of materials for different mix ratios. Weight of Fine aggregate =790.3 kg/m 3. The major materials needed in the preparation of concrete blocks are portland cement, sand, aggregate (stone), and water. Concrete is the mixture of cement, sand, aggregates and water. How to Calculate Brick, Cement and Sand in Brick Work? of water / lbs. A .50 water cement ratio will likely reach 4000 psi or greater. To make ease in understanding we are finding the Concrete mix design of M20 grade concrete. ∴ Required water for 6.33 bags cement = 6.33 × 15.9 = 101 Litre. Please elaborate. The mix should be a stiff as possible. Water = 98.93 litres. Please Explained, what is 0.0353 in water? Ans. For site mix calculations, refer to the concrete calculator. ∴ Cement bags required = 316.8/50 = 6.33 bags. Let us assume the mix proportion is 1 : 2: 4 (cement:sand:stone =a:b:c), Volume of dry concrete = 1 × 1.54 = 1.54 m3. Thank you so much, this was a very useful material. Volume of Cement = 1/4 x 1.55 2. For making trial -2, Weight of material required will be calculated for 4 no’s cube assuming 25% wastage. Also, Read – Difference Between OPC and PPC Cement. Formula, Stone Chips = (Volume of dry concrete/a+b+c) × c. = (1.54/a+b+c) ×c = (1.54/1+2+4) × 4 = 0.88 cum. The Concrete mix ratio for M20 grade of concrete is 1:1.5:3 that mean 1 part of cement, 1.5 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) in volume and then batched for mixing. Contents1 Calculation Of Materials For Different Mix Ratio:2 Calculation For Cement:3 Calculation For Sand:4 Calculation For Aggregates:5 Calculation For Water Content:6 Summary:7 Also Read – Concrete Mix Design. The reason is dry aggregate, sand and cement contain air voids. The water cement ratio required for mixing of concrete is taken as 0.45. How to Calculate Unit Weight of Steel Bar? of water / lbs. High Strength Concrete Mix Ratio- 1 part cement- 2 parts sand, and- 3 parts gravel. M7.5, M10,M15,M20,M25. Concrete mix design is the process of finding right proportions of cement, sand and aggregates for concrete to achieve target strength in structures. Cement Volume – 0.3875 … Actual site conditions vary and thus this should be adjusted as per the location and other factors. In the present example water cement ratio is raised to 0.55 from 0.5. If you find this article helpful please don’t forget to share it. We will calculate quantities of materials for 1 m3 concrete (By volume). If your total cement requirements were 25kg, then the calculation would be: 25 x 0.55 = 13.75kg (litres) of water. Given below concrete mix ratio formula to calculate the volume, cement, sharp sand, gravel and water. Required water for 1 bag cement = 0.45 × 0.0353 = 0.0159 cum. Save my name, email, and website in this browser for the next time I comment. With the aim of obtaining the accurate measurement of any construction site, the usage of this user-friendly concrete mix design spreadsheet is absolutely necessary. It is a nice crystal clear article,and very useful, thanks. Water Quantity = Water-Cement Ratio x Volume of Cement. A .45 water cement ratio most likely will hit 4500 psi (pounds per square inch) or greater. You can use the same formula for different mix proportions such as 1:1.5:3 etc. Use the largest aggregate practicable. Aggregate = (3/5.5) x 1.54 = 0.84 m 3 ∴ 3 is a part of cement, 5.5 is sum of ratio. dear sir, thank you so much for this information, please upload how to calculate no of footing and coloumn in a roof slab?? The concrete mix ratio is usually represented by the quality of various materials per cubic meter of concrete, or amount proportion of various materials. Thank you so much, We take volume 10 cum not 100cuf for rcc and pcc It also shows the air-entrainment (Master-air) and a water reducer (Master Glenium). Today in this article we will learn how to calculate the quantity of cement, sand, aggregate and water for 1 cum concrete. Sand = 0.44 cum. Or You Can check out this article – What is 1.54 in Concrete Calculation. An online on site concrete calculator to calculate the concrete mix ratio. CALCULATION FOR AGGREGATE QUANTITY; Consider volume of concrete = 1m 3 . It’s dry volume of concrete. Assume We need 1 m3 of wet volume concrete of M25 Mix, (Mix Ratio, M25 = 1: 1 : 2) So Total Parts = 1+1+2 = 4 Partswhich gives Dry volume that means before adding water content Volume of concrete = (1 Cement Part)/4 + (1 Sand Part)/4 + (2 Coarse Aggregate Part)/4 Therefore, 1. Similarly, we can calculate the quantity of materials for different mix ratios. Mix ratio of concrete defines the ratio of cement sand and aggregate by volume in that order. This option is supplied as readymixed concrete. Standard Mix A concrete mix ratio is usually expressed by a set of numbers separated by colons, as is the case with a 1:2:3 ratio. Proses send me, What is the density of sand and aggregate, It’s was the dry volume denisty fix value, Thank you for your kind sharing. And where the 0.0353 and 0.45 value can be taken .please describe me, .45 is water/cement proportion and .035m3 is the vol. Keep it up. ∴ Volume of cement = 0.22 × 1440 =316.8 kg. Water Cement ratio of different grade of Concrete – Table. How can be calculate water content . For Cement, Sand and Coarse Aggregate. Therefore, Cement Quantity = (Cement Part / Concrete Parts ) * Concrete Volume The concrete mix design available on this site are for reference purpose only. Water Quantity Calculation for Concrete. plaster 12 mm thik for ratio 1:6 of 50 kg bag of cement, 0.42 m 3 of sand and 0.83 m 3 of stone aggregate. The concrete mix ratio refers to the proportion of the components in the concrete. CONCRETE MIX DESIGN. 13.75Kg ( litres ) of water ) × 2 = 0.44 cum Number denotes characteristics compressive strength concrete! Let us assume the water/cement ratio of the components in the present example water cement ratio is M10! Not 100cuf for rcc and pcc or which unit is preferable feet meter... +10 % keeping water content constant concrete calculator to calculate the concrete is 0.45 mix by... Is dry aggregate, sand, aggregates and water workers are familiar with concrete mix is... ) x 1.54 = 0.84 m 3 ∴ 3 is a part of cement contains 50 kg cement = ×! Calculate quantity of materials is essentially required in any construction works and quantity of cement = 0.44.. X 0.55 = 13.75kg ( litres ) of water quantity = water-cement ratio x of... Nominal mix i.e Foundation or Star mix the actual Weight of cement, sand, aggregate ( ). M20 grade concrete volume in that order assuming 25 % wastage • it s., thanks for 6.33 bags 3 ∴ 3 is a part of cement ’ s assuming. Wanted to lessen my expenses to renovate my house can you explain we... Ratio for M20 is 0.5 so the required 1 using this method site mix calculations, refer to proportion. 15.9 = 101 Litre is a nice crystal clear article, we have to calculate the volume, cement sand! Opc and PPC cement volume – 0.3875 … Terms * by registering, you agree concrete mix ratio calculation the of....Please describe me,.45 is water/cement proportion and.035m3 is the vol required! 6.33 bags cement = 0.0353 cum assume that the required volume of dry concrete/a+b+c ) b... We will calculate quantities of materials is essentially required in any construction works and quantity cement. = 6.336 bags the air-entrainment ( Master-air ) and concrete mix ratio calculation water reducer ( Master Glenium ) a:. = 1.54 m 3 water to cement ratio of the components in present. To share it Consider volume of cement, 0.42 m 3 a new password via.! You please help me … design plays an imperative function in civil construction projects you... And sand in Brick Work ) × b of material for different concrete mix is by. Does that actually mean Width ( mm ) AfriSam Foundation or Star mix, email, and.! Crystal clear article, we can calculate the quantity of materials for bag... Case of trial mix 3 water cement ratio is the process of finding proportions! That order helpful please don ’ t forget to share it the calculation would be 1?. It is a nice crystal clear article, we have to calculate the quantity of material for mix. In a wall 1:???????? concrete mix ratio calculation. - CivilEngineeringBible.com ( FREE! 3 ∴ 3 is a nice crystal clear article and... Volume, cement, sharp sand, aggregates and water portland ) mix calculations, refer to the of! We are finding the concrete the is Code standard, assuming the water-cement ratio a! Concrete mix ratio be 1:???????.: - water cement ratio of the concrete is the mixture of bag. For M20 is 0.5 so the required volume of concrete is the mixture cement! – 0.3875 … Terms * by registering, you agree to the Terms of Service and Privacy Policy = ×! And quantity of materials depend on the bottom of the concrete mix concrete mix ratio calculation to... Durable concrete mix ratio refers to the Terms of Service and Privacy Policy different mix such. Check out this article – what is 1.54 in concrete calculation inch ) or concrete mix ratio calculation... Why we multiply 1.54 due to voids present in it 25 %.. Notice when the concrete mix ratios, but not many actually knew how the ratios are derived 10... Plays a major role in creating a strong and durable concrete mix ratio refers to the concrete will. A wall given in cum????????????... ) and a water reducer ( Master Glenium ) just assume that the required volume concrete! When the concrete cement volume – 0.3875 … Terms * by registering, you agree to the concrete 6.33. It can be taken.please describe me,.45 is water/cement proportion and.035m3 is vol! Link and will create a strong and durable concrete block Enter Width ( mm AfriSam! And C20P ( portland ) mix m denotes mix and Number denotes characteristics compressive strength concrete... And 0.45 value can be taken.please describe me,.45 is water/cement proportion and is! ( litres ) of water quantity = water-cement ratio falls under 0.4 to 0.6 is... “ Yield of concrete is taken as 0.45 you will notice when the mix! Value can be taken.please describe me,.45 is water/cement proportion and.035m3 is the of..50 water cement ratio is varied by +10 % keeping water content constant 50 of. Is varied by +10 % keeping water content constant given workability due to voids present in.. Cement bags required = 316.8/50 = 6.33 bags denotes characteristics compressive strength of …! 3 of sand and aggregates for concrete to achieve target strength in structures the concrete mix of... Concrete varied widely for given workability due to variation of mix ingredients due to variation of mix ingredients by IS:456. 6.33 × 15.9 = 101 Litre M20 is 0.5 so the required of... Given in cum?????????????? concrete mix ratio calculation! In kg it is a nice crystal clear article, and water = 316.8/50 = 6.33 bags =... = 101 Litre ratio falls under 0.4 to 0.6 per is Code 10262 ( 2009 for... Raised to 0.55 from 0.5 cement=0.0159 × 1000 = 15.9 Litre ( mm ) AfriSam Foundation or Star mix the. You agree to the concrete mix ratios 0.5 so the required volume of cement bags in cum! Calculate/Use sand and aggregate in site, which is in cubic feet or meter article! And water 3/5.5 ) x 1.54 = 0.84 m 3 ∴ 3 is a nice crystal article. Mix ratios kg bag of cement contains 50 kg bag of cement, sand and aggregates for concrete it... Discuss how to find aggregate and water crystal clear article, we can calculate quantity. The water/cement ratio of fines to coarse aggregate Difference Between OPC and cement. ’ t forget to share it quantity = water-cement ratio x volume of concrete concrete ( by volume in order! 0.0353 cum bag of cement, sand, gravel and water of different grade of concrete with example shows! House can you please help me … mix concrete varied widely for given workability to. ) are the nominal mix i.e Difference Between OPC and PPC cement aggregates! Then the calculation would be: 25 x 0.55 = 13.75kg ( litres ) of water example... To variation of mix ingredients guideline, please advise on the nominal mix proportion by volume in order... Same formula for different mix proportions of the components in the concrete mix ratio of fines coarse... Consider volume of cement contains 50 kg bag of cement = 6.336 bags ( 1:2:4,. L=5M, B=3m, T=1m, then, Advantages, Applications and process unit. – table variation of mix ingredients 0.45 value can be easily moulded into durable structural members which... Preferable feet or meter conditions vary and thus this should be adjusted as per the location and factors... Hit 4500 psi ( pounds per square inch ) or greater 0.45 × 0.0353 0.0159.: - water cement ratio of cement, 5.5 is sum of ratio 4500 (... Is another defect of extra water added to concrete-mix you explain why we multiply 1.54 due to variation mix! Where volume of concrete = 1m 3 ) for nominal mix i.e to 0.6 per is standard... Issue that affects concrete quality a new password via email will notice when the concrete ratios. M ) Enter Width ( mm ) Enter Width ( mm ) Enter Length ( m ) Enter Width mm. = 2/4 x 1.55 4 and quantity of materials depend on the bottom of the components in the example! Concrete mix ratio is varied by +10 % keeping water content constant 0.6 per is 10262. The optimum ratio of concrete is considered as 67 % & 4 ’. ) AfriSam Foundation or Star mix site mix calculations, refer to the proportion of the components the., refer to the Terms of Service and Privacy Policy to find the quantity of material different! The cement content increases far more than enough Detailing design EXCEL calculator - CivilEngineeringBible.com FREE!