Concrete Mix Design Data Required for Concrete Mix Design (i) Concrete Mix Design Stipulation (a) Characteristic compressive strength required in the field at 28 days grade designation — M 25 (b) Nominal maximum size of aggregate — 20 mm (c) Shape of CA — Angular (d) Degree of workability required at site — 50-75 mm (slump) (e) Degree of quality control available at site — As per IS .

Know MoreX = 54% fine aggregate Y = 46% coarse aggregate Step 3: Batch proportions Our dry aggregate de-sign batch weight is 4,500 pounds, so we calculate: 4,500 54% = 2,430 lbs of fine aggregate 4,500 46% = 2,070 lbs of coarse aggregate-----4,500 total design batch weight of aggregate Step 4: Moisture content Moisture content of the sand is 5% and .

Know Moreand, Wc= Free-water content appropriate to type of coarse aggregate Note:- The above combined obtained grading is for PPC and OPC mix For OPC + Flyash Mix fine aggregate is about 43%, 10 mm 20% and 20 mm is 37% This is also within the permissible limits of recommended grading for pumped concrete

Know MoreJan 03, 2019· Calculating Aggregate absorption For any mix design, the coarse aggregate is considered to be in saturated surface dry condition Where as, the metal on the site is often in bone-dry condition (Especially during summers) This dry aggregate often absorbs the water added in concrete and reduces the workability of concrete

Know Morerecycled aggregates which are suitable for production of some prescribed mix concrete and designed mix concrete The drafting of this Construction Standard has made reference to ,

Know MoreVolume of dry-rodded coarse aggregate per unit volume of concrete for different coarse aggregates and fineness moduli of fine aggregates ACI Mix Design 8 Estimation of fine aggregate content-- There are two standard methods to establish the fine aggregate content, the mass method and the volume method We will use the "volume" method

Know Morebeginning of the mixture design, as the maximum aggregate size is 20 mm, it is convenient to make the first trial mix using equal volumes of fine and coarse aggregate [Neville, 1995] Concrete Cement content (360 kg/m3) and water–cement ratio (045) were chosen for the Mix (S1)(normal sand &

Know MoreProportion of fine aggregate to coarse aggregate (by mass) : Generally 1:2 but subject to an upper limit of 1:15 and a lower limit of 1:25 Note: The proportion of fine aggregate to coarse aggregate should be adjusted from upper limit to lower limit progressively as the grading of fine aggregate becomes finer and the maximum size of the coarse .

Know MoreILLUSTRATIVE EXAMPLE ON CONCRETE MIX DESIGN a) Characteristic compressive strength required in the field at 28 days = 35 N/mm 2 b) Type and size of coarse aggregate = 20-10 mm and 10-5 mm crushed aggregates as per grading given in Table 1 c) Fine aggregate = River sand of Zone II as per IS: 383-1970The sand grading is given in Table 1

Know MoreMix Design for 2017 The mix design will require I¶F SVLZLWKHQWUDLQHGDLU a F1 exposure per table 15 - 15 - 1 and a S1 Exposure class per 15 - 2 No test data available 111 Water specific gravity 100 121 Cement brand for example GCC 121 Type of cement I- ,

Know MoreAug 17, 2019· Coarse aggregate is one of the essential components of concrete and occupies the largest volume in the mix That is why it greatly affects the concrete mix design Its properties such as strength, maximum size, shape, and water absorption influence water demand, the quantity of cement and fine aggregate in concrete mixture

Know More1/22/2014 6 Basic Concrete Mix Design Materials Pounds of material SG Abs Volume 667 315 X 624 Cement 667 315 339-Total Cementious 667 Miller Stone 1590 26 980

Know MoreTable 105: Volume of Coarse Aggregate per Unit Volume for Different Fine aggregate Fineness Moduli Nominal Maximum Aggregate Size Fine Aggregate Fineness Modulus 240 260 280 300 95 mm (0375 inches) 050 048 046 044 125 mm (05 inches) ,

Know MoreDesign a concrete mix for construction of an elevated water , From Table 114, for 20 mm coarse aggregate, for fineness modulus of 280, the dry rodded bulk volume of CA is 062 per unit volume of concrete The weight of C A=062 𝑥 1600= 9920𝑘 .

Know MoreJul 03, 2015· M-20 CONCRETE MIX DESIGN As per IS 10262-2009 & MORT&H A-1 Stipulations for Proportioning: 1 Grade Designation : M20: 2 Type of Cement: OPC ,

Know MoreThen, proportion of fine aggregate is determined in the total aggregate using Fig 115 Fig 115(a) is for 10 mm size, 115(b) is for 20 mm size and Fig 115(c) is for 40 mm size coarse aggregate The parameters involved are maximum size of coarse aggregate, the level of ,

Know MoreACI Mix Design Example A concrete mix is to be designed for use in a 250 mm (10 inch) thick JPCP pavement The desired properties are: Coarse aggregate: nominal maximum size = 375 mm (15 inch), dry-rodded weight = 1600 kg/m 3 (100 lb/ft 3 ), specific gravity = 268, moisture content = 10 percent, absorption = 05 percent

Know MoreNominal maximum size of aggregate = mm Enter unit weight of coarse aggregate (if unknown, use 1500 to 1900 kg/m 3 for normal weight aggregate) = kg/m 3 Enter fineness modulus of fine aggregate = Enter (from Table above) volume of coarse aggregate per unit volume of concrete = Weight of coarse aggregate = kg/m 3

Know MoreYour question is not clear Do you want to use concrete with nominal maximum size of aggregate less than 20 mm (ie 10 mm, 125 mm or 63 mm) or you wish to have concrete with say NMSA 40 mm and jumping to 10 mm while grading Scenario 1: This is.

Know MoreConcrete Mix Design Procedure Data Required for Concrete Mix Design (i) Concrete Mix Design Provision ⦁ Characteristic Compressive Strength needed in the field at 28 days grade designation = M 25 ⦁ Maximum size of aggregate = 20 mm ⦁ Workability = 55-75 mm ( slump value ) ⦁ Degree of quality control = Good ( as per IS 456 )

Know MoreAn example of proportioning a mix design through use of this form is detailed in Table 31 The contractor establishes the initial parameters for a mix design and serves as the starting point for subsequent proportioning calculations The initial step in proportioning the mix design is to calculate the water content per cubic yard of concrete

Know MoreJan 14, 2019· Data Required for Concrete Mix Design i Concrete Mix Design Data (a) Characteristic compressive strength of concrete required at end of 28 days = M 25 (b) Nominal maximum size of aggregate used = 20 mm (c) Shape of Coarse Aggregate = Angular (d) Required workability at site = 50-75 mm (slump Value) (e) Quality control is done by as per IS: 456

Know MoreCoarse aggregate ratios for different Zones of Fine aggregates are given in Table 3 of IS10262 These are ratios are valid for 05 Water-cement ratio Table 3 Volume of coarse aggregate to total aggregate ratio for Mix Design of M20 concrete – IS10262 For aggregate = 20mm, Fine aggregate= Zone II, Water-cement ratio = 050

Know MoreMay 17, 2017· To make ease in understanding we are finding the Concrete mix design of M20 grade concrete The Concrete mix ratio for M20 grade of concrete is 1:15:3 that mean 1 part of cement, 15 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) in volume and then batched for mixing To know the Concrete Mix Design follow below:-

Know MoreFor a fineness modulus of 260 for fine aggregate (using the given fine aggregate) the bulk volume of coarse aggregate from table 2025) is given as 073 m 3 ∴ Weight of coarse aggregate per cubic metre of concrete = 073 x 1600 = 1168 kg Hence absolute volumes – ,

Know MoreJul 22, 2020· An example of given concrete mix design steps for concrete of M 25 grade is followed as per IS: 10262-2009 I Stipulations for Mix Design Concrete Grade designation : M 25 Type of cement : OPC 53 grade confirming to IS 8112 Maximum nominal size of aggregate : 20 ,

Know MoreAug 26, 2014· Recycled aggregates were delivered in big bags from a retreatment platform of demolition materials They were sieved in the laboratory into three fractions GR 1 (4/10 mm), GR 2 (10/20 mm) and sand (0/5 mm) In this study only the coarse recycled aggregates were used

Know MoreCoarse aggregate = 1010 kg/m3 Wet density = 2360 kg/m3 14-Proportion of gradients per trial mix (SSD) of : 00083m3 (For small mixer) Cement = 37 kg Water = 17 kg Fine aggregate = 58 kg Coarse aggregate = 84 kg This trial will make about 20 kg of concrete; enough for slump and Vebe tests

Know MoreMay 25, 2020· Concrete mix : Concrete mix is the heterogeneous mixture consisting of coarse aggregate, fine aggregate, cement and water as the main ingredients Grade of concrete is the designation of the concrete mix which is indicated according to its cube compressive strength at 28 days Concrete mix is categories into two types: nominal mix and design mix

Know MoreQuantities of Material for one cubic meter of concrete-Water = 162 KgCement = 352 KgSand = 679 KgCoarse aggregate = 1207 KgFraction-1 (20mm) = 60350 KgFraction-2 (10mm) = 579 KgQuantity of Admixture @ 10% = 310 KgThe above concrete mix design holds good for the samples provided that the parameters taken for the mix design remain the same as .

Know MorePrev: mets mp1000 aggregate crusher crushers and water usage

Next: function of springs in cone crusher ore cru