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Concrete mix design and aggregate tests data between 2009 and 2017 in Sudan Most importantly it consists of the aggregates crushing value and impact value Download high res image (234KB) Download full size image; Fig 2 Percentage of fine aggregates passing 06 mm sieve histogram and normal distribution curve
The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS: 2386 (Part IV)- 1963,IS Sieves of sizes – 12.5mm, 10mm and 2.36mm, A …
ISI Mix Design Method:- Example: Present investigation includes design of concrete mix (non-air entrained) for medium strength concrete. The guidelines given in various codes like SP:, IS: and IS: has been adopted for mix design of concrete.
May 25, 2018· C-30 Concrete Mix design. C-10 Concrete Mix design. Determination of Aggregate Loose Unit Weight, Determination of Aggregate Rodded Unit Weight, Determination of Fine Aggregate Rodded Unit Weight, and Determination of Aggregate Impact Value Test BS812 PART 3-1975. File format: .xls compatible with Ms offece 2007 and above. Download Excel Files ...
Aggregate Impact Value test The aggregate impact value gives relative measure of the resistance of an aggregate to sudden shock or impact. Weight of sample (W1) Weight of fraction passing 2.36 mm I.S. Sieve (W2) Aggregate impact value. 2.5 kg 0.28kg. 11.2% (W2/ W1) * 100 Aggregate Abrasion Value …
Track 1: Performance-Based Concrete Pavement Mix Design System The final product of this track will be a practical yet innovative concrete mix design procedure with new equipment, consensus target values, common laboratory procedures, and full integration with both structural design and field quality control – a lab of the future.
Apr 16, 2014· Material strength of coarse aggregate is indicated by crushing strength of rock, aggregate crushing value, aggregate impact value, aggregate abrasion value. In Maharashtra the coarse aggregates are made of basalt rock, which has strengths in excess of 100 N/mm2. ... Calculating Concrete Mix Design …
The total content of fine aggregate in kg per cubic metre of concrete for various maximum size of coarse aggregate is shown in Table 20.50. Step by step design calculations for a pumpable concrete mix. Step 1: Draw the grading curve of aggregate Fig. 20.15 shows a more acceptable grading curve for pumpable concrete using 20 mm max. size aggregate.
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. It is reported […]
Concrete can withstand these effects when properly designed. The Specifier's Guide for Durable Concrete is intended to provide sufficient information to allow the practitioner to select materials and mix design parameters to achieve durable concrete …
For a good concrete mix, aggregates need to be clean, hard, strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete. Aggregates, which account for 60 to 75 percent of the total volume of concrete, are divided into two distinct categories--fine and coarse.
Dec 01, 2018· Concrete mix design and aggregate tests data between 2009 and 2017 in Sudan. ... Most importantly it consists of the aggregates crushing value and impact value. Download : …
Using the E-waste as a partial replacement of coarse aggregate in concrete is the best solution. We can not fully replace material in concrete because it impacts the workability of concrete. The electronic waste is crushed as required particle size and can be mixed with other aggregates in concrete which will not affect the quality & durability ...
The Effect of Aggregate Properties on Concrete Concrete is a mixture of cementious material, aggregate, and water. Aggregate is commonly considered inert filler, which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete.
Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope & significance: Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact …
Sep 06, 2012· Concrete shrinkage can significantly impact the performance of slabs. Countless slab investigations for nationwide retail distribution firms have shown that a single mix or slab design does not provide consistent performance in different regions of the country. Concrete is made from locally-available materials and these materials determine the ...
value, impact value and gradation to determine the suitability for high strength concrete 3 Mix Design of M30 grade cement concrete based on IS code and IRC: 4 Check for compressive strength as well as flexural strength 5 Comparison study between the followings: i RAP aggregate and fresh coarse aggregate ii.
Feb 15, 2019· Aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, As an alternative to crushing value, the aggregate impact value should not exceed 45% by weight for aggregates used for concrete other than for wearing surfaces and 30% by weight for concrete for wearing surfaces, such as runways, roads ...
The apparatus of the aggregate impact value test consists of: A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. Level and plane concrete floor of minimum 45 cm thickness are used to support it.
Asphaltic concrete is a mixture of Coarse Aggregate Fine aggregate Mineral filler and Bitumen ... Los Angeles abrasion value / Impact value Polishing Polished stone value Durability Soundness test Water absorption ... Marshall Method of Mix Design The basic concepts of the Marshall mix design
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