coarse aggregate size pptx

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Aggregates for Concrete - University of Memphis
Aggregates for Concrete - University of Memphis

Size numbers (grading sizes) for coarse aggregates apply to the amounts of aggregate (by mass) in percent-ages that pass through an assortment of sieves (Fig 5-5) For highway construction, ASTM D 448 (AASHTO M 43) lists the same 13 size numbers as in ASTM C 33 81 Chapter 5 Aggregates for Concrete Table 52 Characteristics and Tests of ....

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Coarse Aggregate - SlideShare
Coarse Aggregate - SlideShare

Feb 01, 2014· The function of the coarse aggregate is to act as the main loadbearing component of the concrete >Fine aggregate: Aggregate passing No4(475mm) sieve and predominately retained on the No200 (75µ) sieve The fine aggregate serve the purpose of filling all the open space in between the coarse particl 4 5...

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Density of Coarse Aggregate - GharExpert
Density of Coarse Aggregate - GharExpert

Grading of coarse aggregate Proper graded material should be used for achieving good bond stress Grading of coarse aggregates are important consideration for getting maximum strength of concrete and RCC and significant both economically as well as technically Grading should be according to the table as given below: Coarse Aggregate Size for ....

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Aggregate Sizing Explained - chaneyenterprises
Aggregate Sizing Explained - chaneyenterprises

Jan 15, 2016· 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 0094 inch More specifically, a #57 aggregate is the combination of #5 and #7 aggregates ranging from 1 to 019 inch...

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HOW TO CLASSIFY AGGREGATES ACCORDING TO SIZE ,
HOW TO CLASSIFY AGGREGATES ACCORDING TO SIZE ,

Jul 07, 2014· According to size the aggregates are classified as: Fine Aggregate Coarse Aggregate All in Aggregate Fine Aggregate It is the aggregate most of which passes 475 mm IS sieve and contains only so much coarser as is permitted by specification According to source fine aggregate may be described as: Natural Sand– it is the aggregate [,]...

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Sieve analysis - Wikipedia
Sieve analysis - Wikipedia

Sieve analysis has, in general, been used for decades to monitor material quality based on particle size For coarse material, sizes that range down to #100 mesh (150μm), a sieve analysis and particle size distribution is accurate and consistent However, for material that is finer than 100 mesh, dry sieving can be significantly less accurate...

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Coarse Aggregate Gradations - ConcreteHelper
Coarse Aggregate Gradations - ConcreteHelper

Coarse Aggregate Sieve Analysis (#467 Stone) Nominal Size (1 1/2" to No 4 ) Original Mass: CONCRETEHELPERCOM Sieve Size Grams Retained % Grams Retained Cumulative % Retained Cumulative % Passing ASTM C33 Specification...

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PPT – AGGREGATE PowerPoint presentation | free to view ,
PPT – AGGREGATE PowerPoint presentation | free to view ,

Gradation is size distribution of aggregate particles Gradation can be assessed by sieve analysis 15 , The unemployment rate has risen above or fallen below the natural rate Aggregate Supply , | PowerPoint PPT presentation , Aggregate Imaging System AIMS for Characterizing The Shape Of Fine And Coarse Aggregates - Aggregate Imaging ....

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HOW TO DECIDE MAXIMUM SIZE OF COARSE AGGREGATE TO ,
HOW TO DECIDE MAXIMUM SIZE OF COARSE AGGREGATE TO ,

Mar 23, 2015· 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 strength above 300 kg/cm 2 aggregate upto 20 mm may be used Conditions That Decide Maximum Size of Coarse Aggregate to be Used in ....

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Fine Aggregate Coarse Aggregate Aggregates for
Fine Aggregate Coarse Aggregate Aggregates for

The nominal maximum-size sieve may retain 5% to 15% Aggregates for Concrete Nominal Maximum Size of Aggregate 1/5 then narrowest dimension between sides of forms 3/4 clear spacing between rebars and between rebars and the form 1/3 depth of slabs Size should not exceed ― Aggregates for Concrete Coarse Aggregate Grading 236 mm (No 8) 0 to 5 4 ....

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8 Agg Gradation and Mix Design Shihui
8 Agg Gradation and Mix Design Shihui

oCoarse aggregates --- aggregates that creating voids oFine aggregates --- aggregates that fill in the voids created by coarse aggregates 6 Gradation Performance Evaluate aggregate interlock by volume ¾Chosen Unit Weight ≈ 95% to 105% of the Loose Unit Weight Analysis of design blend ¾CA ratio, FAc ratio, FAf ratio Coarse Aggregate Fine ....

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COARSE DISPERSIONS |authorSTREAM
COARSE DISPERSIONS |authorSTREAM

Multiple emulsion as coarse (>3µm diameter) as fine (1-3µm diameter) & Micro multiple emulsion (...

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703 AGGREGATE - Pages
703 AGGREGATE - Pages

Where standard size of coarse aggregate designated by two or three digit numbers are specified, obtain the specified gradation by combining the appropriate single digit standard size aggregates by a suitable proportioning device which has a separate compartment for each coarse aggregate combined...

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Aggregates | Fine, Base, Coarse, Rip Rap | Martin Marietta
Aggregates | Fine, Base, Coarse, Rip Rap | Martin Marietta

Aggregate base course is an engineered mixture of coarse and fine aggregate designed to support heavy loads and is used in many applications such as foundations for highways and buildings as well as support of equipment on unpaved surfaces such as job site roads and oil well pads...

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Aggregates ppt - SlideShare
Aggregates ppt - SlideShare

Apr 28, 2013· 13Aggregates whose particles donot pass through 475 mm IS aretermed as coarse aggregatMost commonly used coarseaggregates are crushed stone,gravel; broken pieces of burntbricks,etc(2) Coarse Aggregates: 13 14It is an excellent coarse aggregateand is obtained by crushing granite,sand stone or grained lime stoneand all types of ston...

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On Aggregate Grading - National Ready Mixed Concrete ,
On Aggregate Grading - National Ready Mixed Concrete ,

different proportions of coarse aggregates (size numbers 57 and 8 per ASTM C33) and fine aggregate by volume The NWG aggregates were developed by combining different proportions of size number 57 coarse aggregate and fine aggregat The CF and 8-18 charts for the WG and NWG combined aggregates are plotted in Fig 1 and 2, respectively...

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Designing and Proportioning Concrete Mixtures - PCA
Designing and Proportioning Concrete Mixtures - PCA

Designing and Proportioning Concrete Mixtur , The 19-mm maximum-size coarse aggregate and the fine aggregate are in saturated-surface dry condition for the trial mixtur The target air content should be 6% and the range is set at 5% to 8% The specified target slump for this project is 40 (±20) mm For convenience, a batch containing 10 ....

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4 Aggregate Specifications and Requirements - ingov
4 Aggregate Specifications and Requirements - ingov

COARSE AGGREGATES Section 90403 defines the acceptable limits for all uses of coarse aggregat Coarse aggregates are divided into classes based on quality requirements as noted in the Classification of Aggregates table Class AP is the highest class and is assigned to aggregates which m eet the requirements for all INDOT us...

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PPT – Aggregates in Civil Engineering PowerPoint ,
PPT – Aggregates in Civil Engineering PowerPoint ,

Coarse Aggregate ; Predominantly retained on the 475mm (4) sieve , Aggregate that has a particle size distribution such that, when compacted, the voids (as a of volume) are relatively small Gap Graded ; Aggregate that has a particle size distribution , The PowerPoint PPT presentation: "Aggregates in Civil Engineering" is the property of ....

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Construction aggregate - Wikipedia
Construction aggregate - Wikipedia

Construction aggregate, or simply "aggregate", is a broad category of coarse to medium grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregat Aggregates are the most mined materials in the world...

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Standard Classification for Sizes of Aggregate for Road and ,
Standard Classification for Sizes of Aggregate for Road and ,

6 Standard Sizes 61 Standard aggregate sizes shall conform to the require-ments prescribed in Table 1 for the size number specified Conformance shall be determined by means of laboratory sieves having square openings and conforming to Specification E11 7 Basis of Classification 71 Classification of an aggregate is based upon the size...

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Inspection & Sampling Procedures for Fine & Coarse ,
Inspection & Sampling Procedures for Fine & Coarse ,

MATERIAL SAMPLE SIZE No 2 coarse aggregate 220 lb No 5 coarse aggregate 110 lb No 8 coarse aggregate 55 lb No 9 coarse aggregate 35 lb No 11 & No 12 coarse aggregate 25 lb No 43 coarse aggregate 110 lb No 53 coarse aggregate 135 lb No 73 coarse aggregate 80 lb 2 in Structure Backfill 245 lb 1 1/2 in Structure Backfill 190 lb...

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Aggregate Specifications - The University of Memphis
Aggregate Specifications - The University of Memphis

Aggregate Specifications CIVL 3137 123 Specifications , TDOT Specs for Concrete Coarse Aggregate Application Size No Concrete Pavement 467 Concrete Base Course 467 Cement Treated Base Course 57 Structural Concrete 57 , Microsoft PowerPoint - Aggregate Printouts Author:...

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Different Types & Sizes of Aggregate for Concrete ,
Different Types & Sizes of Aggregate for Concrete ,

Aug 11, 2018· When the aggregate is sieved through 475mm sieve, the aggregate retained is called coarse aggregate Gravel, cobble and boulders come under this category The maximum size aggregate used may be dependent upon some conditions In general, 40mm size aggregate used for normal strengths and 20mm size is used for high strength concrete...

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Aggregatpptx | Construction Aggregate | Concrete
Aggregatpptx | Construction Aggregate | Concrete

Aggregatpptx - Download as Powerpoint Presentation (ppt / pptx), PDF File (pdf), Text File (txt) or view presentation slides online , (According to size) COARSE AGGREGATES FINE AGGREGATES OTHER TYPES OF AGGREGATES Granite Aggregates-These are crushed hard rock - Granite rock comes from magma that erupted and hardened...

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Coarse_aggregateppt | Construction Aggregate | Wear
Coarse_aggregateppt | Construction Aggregate | Wear

Coarse Aggregat Aggregate Coarse Aggregates Deleterious Materials ASTM C142 Mass percentage of contaminants such as clay lumps, shale, wood, mica, and coal Test Wet sieving agg size fraction over specified sieves Mass lost = % contaminants Range from 02% to 10%, depending upon contaminant Aggregate Coarse Aggregates...

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Tarantula Curve - Home
Tarantula Curve - Home

Aggregate Class Gradation Specifications Using aggregates effectively in a mixture is the essence of optimized graded concrete Although the concept of proportioning aggregates may seem very basic at first, it can be very difficult to achieve the required workability...

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Sizes and Grading of Aggregates for Road Maintenance and ,
Sizes and Grading of Aggregates for Road Maintenance and ,

wanted Specifying the size of the aggregate for the job then becomes a very important decision for the purchaser Coarse aggregates are classified as open-graded and dense-graded One of the difficulties with use is a tendency of aggregate sizes to segregate in handling...

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What nominal maximum sizes of aggregate are recommended?
What nominal maximum sizes of aggregate are recommended?

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 26421 should be permitted With the w/cm fixed, the larger the nominal maximum size of aggregates, the lower the cement content for a given consistency Or, stated ....

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PowerPoint Presentation
PowerPoint Presentation

• Void content between aggregate particles increases with increasing aggregate angularity • Void contents range from 30-45% for coarse aggregates to about 40-50% for fine aggregat • Total volume of voids can be reduced by using a collection of aggregate siz...

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Concrete Q & A: Maximum Size versus Nominal Maximum Size ,
Concrete Q & A: Maximum Size versus Nominal Maximum Size ,

I intended this provision to mean that almost all of the coarse aggregate used in the concrete would pass the 1 in (250 mm) sieve and some would be retained on the 3/4 in (190 mm) sieve, such as a Size Number 57 stone per ASTM C331 The contractor, however, has interpreted this provision simply to mean that all of the coarse aggregate must ....

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