Concrete Mix design as per IS (Indian Standard) Method
STEP-1. DESIGN SPECIFICATIONS. This is the step where we gather all the required information for designing a concrete mix from the client. The data required for mix proportioning is as follows. Grade designation (whether M10, M15, M20 etc) Type of cement to be used. Maximum nominal size of aggregates.
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What is the size of coarse aggregate used in concrete?
Answer (1 of 11): Generally the size of coarse aggregate used is 10-12.5 mm. If we use the proportional mix of different sizes small to large (>4.5 mm to 20/25 mm), this make the concrete structure compact by align themselves in voids depending upon their size and compact mass will be formed with...
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What is the size of coarse sand, medium sand and fine sand?
The boundary dimension of the coarse and fine collected materials for cement concrete is 4.75 millimeters; While when it used in bituminous mixture, its boundary dimension is 2.36 millimeters. ... particle size > 4.75 mm are coarse aggregates, ... (particle size > 2 mm). The standard of sand used in architecture: refers to rock fragments that ...
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ASTM C33 - Designation: C33/C33M− 18 Standard Specification …
describe the aggregate to be used in the project from the applicable items in4. 4 Include in the purchase order for aggregates the follow-ing information, as applicable: 4.2 Reference to this specification, as C33____, 4.2 Whether the order is for fine aggregate or for coarse aggregate, 4.2 Quantity, in metric tons or tons,
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Aggregates for Concrete - University of Memphis
The 13 standard sieves for coarse aggregate have openings ranging from 1.18 mm to 100 mm (0.046 in. to 4 in.). Tolerances for the dimensions of open- ... Range of particle sizes found in aggregate for use in concrete. (8985) Fig. 5-5. Making a sieve analysis test of coarse aggregate in a laboratory. (30175-A) C oarse aggregate S ize N o. 57.
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Laboratory investigation of different coarse aggregate sizes on …
Concrete cubes and beams were produced in accordance with BS 1881-108 (1983) and ASTM C293 with varying aggregate sizes 9.0mm, 13.2mm, 19mm, 25.0mm and 37.5mm, using a standard mould of internal ...
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Aggregates for Concrete
A typical consensus specification for fine and coarse aggregate for concrete is ASTM C 33. Synthetic aggregates may be either byproducts of an industrial process, in the case of blast-furnace slag, or products of ... Sieve sizes commonly used for concrete aggregates are detailed in Table 1, and various physical properties of normalweight ...
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STANDARD CONSTRUCTION SPECIFICATIONS FOR …
Fine Aggregate for Portland Cement Concrete U.S. Standard Cumulative Sieve Size % Passing By Weight 3/8" 100 #4 95-100 #8 80-100 #16 50-85 #30 25-60 #50 10-30 #100 2-10 Aggregates shall consist of washed sand gravel; fine and coarse aggregates shall be regarded as separate ingredients. Aggregates for normal weight concrete shall
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What is the size of coarse aggregate used in concrete? - Quora
Answer (1 of 11): Generally the size of coarse aggregate used is 10-12.5 mm. If we use the proportional mix of different sizes small to large (>4.5 mm to 20/25 mm), this make the concrete structure compact by align themselves in voids depending upon their size and compact mass will be formed with...
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Standard Classification for Sizes of Aggregate for Road and …
This standard has been approved for use by agencies of the U.S. Department of Defense. 1. Scope 1.1 This classification defines aggregate size number desig-nations and standard size ranges for mechanical sieve analyses of coarse aggregate and screenings for use in the construction and maintenance of various types of highways and bridges.
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What nominal maximum sizes of aggregate are recommended?
A. According to 26.4.2.1 (a)(5) of ACI 318-19, nominal maximum size of coarse aggregate shall not exceed the least of (i), (ii), and (iii): Search. ... Because maximum aggregate size can impact concrete properties such as shrinkage, and also the cost of concrete, the largest aggregate size consistent with the requirements of 26.4.2.1 should be ...
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How Coarse Aggregate Affects Mix Design of Concrete?
Proper grading of coarse aggregate can minimize the possibility of segregation, especially for higher workability and improves the compatibility of concrete. The coarse aggregate grading limits are given in ASTM C33/ C33M and IS 383 – 1970 - table 2, Clause 4.1 and 4.2 for single size aggregate as well as graded aggregate.
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ASTM C33-02 - Standard Specification for Concrete …
Standard Specification for Concrete Aggregates. 1. Scope1.1 This specification defines the requirements for grading and quality of fine and coarse aggregate (other than lightweight or heavyweight aggregate) for use in concrete.1.2 …
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Density Of Cement, Sand, And Aggregate - 9To5Civil
Fine aggregate; Coarse aggregate; Fine aggregates usually consist of sand or crushed stone. Which is less than 4.75 mm in size. The coarse aggregate is usually between 4.75 mm and 37.5 mm. The use of mixed fines and coarse aggregates reduces the chance of void in concrete. The quality of concrete can be improved with the correct mix of aggregate.
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Aggregate Size In Concrete | Coarse Vs Fine Aggregate
Coarse aggregate is any material whose particles are anywhere from 3/8 inches and 1.5 inches in width. This is the size of aggregate often used in road construction. Fine aggregate: Most fine aggregates consist of crushed stone or natural sand. Most of the present particles must be able to pass through a 3/8-inch sieve.
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Aggregates - Cement
Coarse aggregates are any particles greater than 0.19 inch, but generally range between 3/8 and 1.5 inches in diameter. Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of the remainder. Natural gravel and sand are usually dug or dredged from a pit, river, lake, or seabed.
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Aggregate Testing Standards — EnviroMINE, Inc.
Aggregate is the main ingredient in Portland Cement Concrete and Asphalt Concrete. All aggregate used for construction purposes must be tested, physically and chemically, to verify its suitability for these uses. Every …
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Aggregates for Concrete as per American Standards – ASTM [PDF]
The fineness modulus of the fine aggregate shall be not less than 2.3 and more than 3.1. The fineness modulus shall not vary more than 0.20. …
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SECTION 901 COARSE AGGREGATE 901-1.1 Composition
**Aggregates to be used in asphalt concrete may contain up to 5% free shell. Free ... Standard Sizes of Coarse Aggregate Amounts Finer than Each Laboratory Sieve (Square Openings), weight percent Size No. Nominal Size Square Openings 3/4 …
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2012 Standard Specifications Manual - 10 MATERIALS - NCDOT
Use standard size No. 78M coarse aggregate in latex modified concrete. (3) Prestressed and Precast Concrete Use standard size No. 67 or No. 78M coarse aggregate in prestressed and precast concrete. (4) Use of More Than One Size All concrete used in a single component of any structure shall be made with the same size aggregate.
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Nominal maximum size of coarse aggregate
Figure 1. According to ACI-318/5 [3.3.2], the nominal maximum size of coarse aggregate shall not be larger than: 1/5 the narrowest dimension between sides of forms, nor. 1/3 the depth of slabs, nor. 3/4 the minimum …
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AASHTO M 80 - Standard Specification for Coarse Aggregate for …
This specification covers coarse aggregate, other than lightweight aggregate, for use in concrete. Several classes and gradings of coarse aggregate are described (Notes 1 and 2). Specifications for fine aggregate are provided in M 6. Note 1-This specification is regarded as adequate to ensure satisfactory materials for most concrete. It is ...
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Aggregates for Use In Concrete
materials • FM of coarse aggregate can also be calculated and can aid in blending coarse and medium size materials FM & Gradation are NOT the SAME 30 Fine Aggregate Gradation • Fineness Modulus (FM) should be between 2.3 and 3.1 • FM is empirical # determined by dividing the sum of percent retained on a standard series of sieves by 100
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Concrete Mix design as per IS (Indian Standard) …
STEP-1. DESIGN SPECIFICATIONS. This is the step where we gather all the required information for designing a concrete mix from the client. The data required for mix proportioning is as follows. Grade designation …
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HOW TO DECIDE MAXIMUM SIZE OF COARSE …
On the other hand in smaller size aggregates the surface area is increased which increases w/c ratio and lower strength is achieved. In general for strength upto 200 kg/cm 2 aggregates upto 40 mm may be used and for …
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ASTM C33/C33M − 18 Standard Specification for Concrete Aggregates 1
3.1 For definitions of terms used in this standard, refer to 4.3.2.3 The appropriate limit for material finer than the Terminology C125. ... coarse aggregate size numbers 357 or 467 are used, the aggregate should 7.2.3 Use of a fine aggregate failing in the test is not be furnished in at least two separate sizes. prohibited, provided that, when ...
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Coarse Aggregates: Types, Properites & Applications
The maximum size of coarse aggregate that can be used in a mix depends on the size, shape, and reinforcing of a member, based on these "not-to-exceed" guidelines (see Photos 5 and 6): 3/4 of the clear spacing between rebar or …
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Size of aggregate used in RCC, PCC, slab, Road, Bridge
Types of coarse aggregate and their size 1) fine gravel -4 to 8 mm 2) medium gravel- 8 to 16 mm 3) coarse gravel -16 to 64 mm 4) pebbles -4 to 64 mm 5) cobbles -64 to 256 mm 6) boulder – more than 256 mm Size of aggregate …
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Aggregate Sizing Explained - Chaney Enterprises
For example coarse aggregate has a standard grading requirement for each different size from #1 to #8. A #1 aggregate is a nominal size of 3 ½ to 1 ½ inches and a #8 aggregate is a nominal size of 3/8 to …
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DIVISION 9 – MATERIALS - Michigan
Slag Coarse Aggregate. Use slag coarse aggregate consisting of iron blast furnace slag or reverberatory furnace slag with a dry (loose measure) unit weight of at least 70 pounds per cubic foot in accordance with MTM 123. B. Crushed Concrete Coarse Aggregate. Use Department-owned concrete on the project to produce crushed concrete coarse ...
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ASTM C33-02 - Standard Specification for Concrete Aggregates
Standard Specification for Concrete Aggregates. 1. Scope1.1 This specification defines the requirements for grading and quality of fine and coarse aggregate (other than lightweight or heavyweight aggregate) for use in concrete.1.2 This specification is for use by a contractor, concrete supplier, or other purchaser as part of the purchase ...
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Effect of Aggregate Size Distribution on Concrete
Maximum compressive strength was found 3.87 ksi for concrete having fineness modulus for fine and coarse aggregate as 3.0 and 7.5 respectively with mix ratio 1:2:4. Compressive strength of ...
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