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Compressive Strength Of 20mm Aggregate

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Prediction of compressive strength of concrete from early ...

Prediction of compressive strength of concrete from early ...

2011-12-20many factors which control concrete compressive strength. Concrete mix proportioning, aggregate quality, aggregate gradation, type of cement, mixing and placing method, concrete curing and curing temperature and the most important one is the water cement ratio. Water cement WC ratio has a critical impact on concrete strength characteristic.

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An experimental study on compressive strength of concrete ...

An experimental study on compressive strength of concrete ...

2012-10-22Olivars et al. substituting3.5 volrecycled rubber cementmatrix has significanteffect compressivestrength elasticity.Topcu replacedfine aggregate rubberfine grains coarseaggregate coarserubber crumbs. 6-monthcylindrical compressive strength initialconcrete 33

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Comparing the Compressive Strengths of Concrete Made

Comparing the Compressive Strengths of Concrete Made

Table 10 . Comparison of the compressive strength of concret e made with quarry dust and that made with river sand as fine aggregate after 28 days curing Q quarry dust, S river sand . SN Mix ratios Water content Cube strength, Q Nmm 2 Water content Cube strength S Nmm 2 1 0.45112.5 0.45 21.00 0.52 15. 09

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Effect of Recycled Aggregate on Compressive Strength of ...

Effect of Recycled Aggregate on Compressive Strength of ...

2018-6-19Compressive Strength Test Compressive strength of recycled aggregate concrete was tested after 7-days, 14-days and 28-days after casting. Compressive strength of recycled aggregate concrete was compared with natural aggregate concrete. Result shows that compressive strength of recycled aggregate is decreased with increase in replacement of ...

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Strength of concrete incorporating aggregates recycled ...

Strength of concrete incorporating aggregates recycled ...

compressive strength for different mixes is shown in Figure-2. The compressive strength for 20 replacement of CC aggregate had dropped around 3.6. Even up to 60 replacement by CC coarse aggregate, the compressive strength gets reduced only to a maximum of 10 with respect to that of control concrete. There is a drop of 28 compressive ...

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A Comparitative Study of Compressive Strength and Split ...

A Comparitative Study of Compressive Strength and Split ...

2019-7-1concrete in M30, M40 and M50 concrete, compressive strength, tensile strength and splitting tensile test and fine uniformity of UPV, were studied. For the standard combination to replace 12.5mm aggregate to 20mm aggregate to find the best mixture content. So for the best mix of

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Experimental Case Study of Recycled Aggregate Concrete ...

Experimental Case Study of Recycled Aggregate Concrete ...

2018-9-24Coarse Aggregate 20mm and RAP Table 5- Result of Aggregate Crushing Value Test on Coarse Aggregate 20mm and RAP Weight of sand 0.5 kg Weight of pycnometer or gas jar containing sand and filled with water 1.932 kg Weigh of pycnometer or gas jar filled with water only 1.613 kg Weigh of oven dried sand 0.491 kg Specific gravity 2.71 kg

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The Effect of Maximum Coarse Aggregate Size on the ...

The Effect of Maximum Coarse Aggregate Size on the ...

An experiment was conducted to determine the effect of different sizes of machine crushed gneisses used in Ghana for concrete production on the compressive strength of concrete. Coarse aggregate samples of maximum sizes of 10mm, 14mm and 20mm were used to produce concrete at constant watercement ratio of 0.63. In all the experiments, the concreting procedures and materials were kept

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Flakyness Effect of Local Coarse Aggregate on Workability ...

Flakyness Effect of Local Coarse Aggregate on Workability ...

2018-5-18compaction factor test. Locally available coarse aggregate of size 20mm, river sand as fine aggregate and water binder ratio is 0.45 maintained for the entire work. The cube specimens of size 150mmX150mmX150mm are prepared with and without using admixture for compressive strength at the age of 7 and 28 days curing period.

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What is the effect of coarse aggregate size in

What is the effect of coarse aggregate size in

When we design mix the concrete, its target strength is much less than the compressive strength of the aggregates used in the formation. It can also be clearly seen in the mix design procedure that greater the maximum size of coarse aggregate use...

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Experimental Investigation on the Strength Properties of ...

Experimental Investigation on the Strength Properties of ...

2019-7-1The compressive strength, split tensile strength ... crushed stone having maximum size of 20mm. The following tests were conducted on the aggregate as per IS 2386-1963 Part-IV and the results are as given in table 3. ... Control mix Also specimens were cast with coarse aggregate Compressive strength of concrete for various percentage ...

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Strength Characteristics of Concrete Mix by Replacing

Strength Characteristics of Concrete Mix by Replacing

2017-3-30compressive strength 24.70 MPa 23 Minimum -days compressive strength 33 Minimum 28-days compressive strength 44.85 MPa 43 Minimum 3.3.3 Fine aggregate River sand was used as fine aggregate. The particle size distribution and other physical properties of the fine aggregates are listed in Table 3.2 respectively.

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The Effect of Aggregate Properties on Concrete

The Effect of Aggregate Properties on Concrete

2000-3-30Aggregate is classified as two different types, coarse and fine. Coarse aggregate is usually greater than 4.75 mm retained on a No. 4 sieve, while fine aggregate is less than 4.75 mm passing the No. 4 sieve. The compressive aggregate strength is an important factor in the selection of aggregate.

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Effect of Aggregate Size and Gradation on Compressive ...

Effect of Aggregate Size and Gradation on Compressive ...

2017-9-13The results of workability slump and compressive strength test for the uniform size and graded mixed aggregates are as summarized in Table 4.1 Table 4.1 Slump and Compressive Strength of Single and blended Aggregates Aggregate SizeContent mm Slump mm 2 Compressive Strength Nmm 14 days 28 days

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Concrete Mix Design By Packing Density Method

Concrete Mix Design By Packing Density Method

2017-10-302 Coarse aggregate 12.5mm 1387.777 1542.222 2.937 3 Coarse aggregate 20mm 1525.555 1660.000 2.912 II. Design of Concrete Mix Using Packing Density Method Determination of aggregate fractions The packing density of aggregate mixture is

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Experiments on Partial Replacement of Coconut Shell as ...

Experiments on Partial Replacement of Coconut Shell as ...

2015-6-10aggregate will be studied for compressive strength, tensile strength and flexural strength. the percentage replacement will be 0, 10, 20 and 30 with natural coarse aggregates and replacement of 10 various size of coconut shell in concrete. the replacement 10 of coconut shell and added coir fibre on high temperature.

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Factors affecting Concrete Mix Design - Happho

Factors affecting Concrete Mix Design - Happho

2020-8-10However, the compressive strength tends to increase with the decrease in size of aggregate. IS 4562000 and IS 13431980 recommend that the nominal size of the aggregate should be as large as possible. 10-20mm size of aggregate is preferable.

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aggregate 10mm or 20mm 40mm - Popular Education

aggregate 10mm or 20mm 40mm - Popular Education

7mm, 10mm, 14mm, 20mm and 40mm Aggregate - Burdetts. Clean rock for use in drainage applications, concrete mixes Customers please note The following are

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PAPER OPEN ACCESS Experimental Study on the

PAPER OPEN ACCESS Experimental Study on the

6mm, 12mm and 20mm respectively. The compressive strength of GGBS based Geopolymer pervious concrete was found to be in the range of 4.49 to 7.59 MPat 28 days. The Strength of the GGPC was found to be highest with 12mm aggregate than 6mm and 20mm aggregate. This is because when there

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VARIATION IN STRENGTH PROPERTIES OF CONCRETE

VARIATION IN STRENGTH PROPERTIES OF CONCRETE

2019-12-18The tensile strength for all the ages reached optimum value at 10 partial replacement WGA for both 20mm and 25mm aggregate sizes. The results of the strength properties showed that the concrete grade M25 adopted was suitable for WGA partial replacement as the compressive strength results for all ages did not fall below 25Nmm2.

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BEHAVIOR OF CONCRETE WHEN USING RAP

BEHAVIOR OF CONCRETE WHEN USING RAP

2017-4-27aggregate replacement and if so, what is the optimum amount required to produce an economical and durable product to be used. RAP and virgin 20mm aggregate were used in proportions of 0 RAP 100 Virgin aggregate, 20 RAP 80 virgin aggregate and

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EFFECT OF NANO SILICA ON THE COMPRESSIVE

EFFECT OF NANO SILICA ON THE COMPRESSIVE

2017-1-31KeywordsWaste plastics, rubber, Compressive Strength, tennis courts. population explosion and the technology boom to cater to these needs, there is an urgent need to improve the strength and durability of concrete. Out of the various materials used in the production of concrete, cement plays a major role due its size and adhesive property.

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STUDY OF STRENGTH CHARACTERISTICS OF CRUSHED

STUDY OF STRENGTH CHARACTERISTICS OF CRUSHED

2019-4-21like 3,7,14,28,56,90 days in order to obtain the strength of concrete. Before testing the cubes and cylinders are removed from the curing tank and they are left in the open air before crushing. In this investigation the compressive strength and split tensile strength was finding out by using universal testing machine of 40 tons. 3.

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EFFECT OF RCA ON COMPRESSIVE STRENGTH IN

EFFECT OF RCA ON COMPRESSIVE STRENGTH IN

2019-6-52 The effect of recycled coarse aggregate on the compressive strength of concrete is evident from the results. However the loss in strength was not considerable, but with addition of suitable recycled aggregate and proper method of mix design slight increase in strength can be achieved. 4The compressive strength of concrete

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THE CORRELATION BETWEEN AGGREGATE SHAPE AND

THE CORRELATION BETWEEN AGGREGATE SHAPE AND

2015-4-29processing. Also, unit weight, slump, ultrasonic pulse velocity and compressive strength of concrete were determined. The test results indicated that there is a good correlation between the some shape properties of aggregate and compressive strength Keywords Aggregate shape, Digital image processing, Concrete, Compressive strength

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