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water cement ratio and slump test civil engineering courses

water cement ratio and slump test civil engineering courses

Water cement ratio and slump test Online Courses

11/09/2017  In this article Learn : Water cement ratio and slump test Water cement ratio : It is the ratio of water and cement (by weight or by volume) used in the preparation of concrete.. The quantity of water used in mixing concrete is very important. If the percentage of water used is less then there shall not be sufficient quantity of water to hydrate cement.

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Water Cement Ratio Relation with Slump test Engineer Cafe

Water Cement Ratio Relation with Slump test. The water–cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix and has an important influence on the quality of concrete produced. A lower water-cement ratio leads to higher strength and durability, but may make the mix more difficult to place.

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water cement ratio Slump test cone

Here the water-cement ratio is the relative weight of the cement water in the mixture. For most applications, the water-to-cement ratio should be between 0.4 to 0.5 for low permeability and high strength. In concrete, the trade-off is, of course, with practicality, as the very low water content results in very hard mixtures that are difficult to place. Water-to-cement ratio is a factor ...

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Concrete technology Archives Online Courses

In this article Learn : Water cement ratio and slump test Water cement ratio : It is the ratio of water and cement (by weight or by volume) used in the preparation of concrete. The quantity of water used in mixing concrete is very important. If the percentage of water used is less then there Water cement ratio and slump test Read More »

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Slump Test - Civil Engineering Simplified

25/05/2020  A little variation in water to cement ratio, ingredient proportioning, increase in slump etc will have a major impact on the desired strength of the structure which in turn affects the structural stability. The quality tests of concrete is done in three stages. a) Production stage quality tests ( On fresh concrete before placing) b) Hardened stage quality tests ( hardened concrete specimens) c ...

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water cement ratio Slump test cone

Here the water-cement ratio is the relative weight of the cement water in the mixture. For most applications, the water-to-cement ratio should be between 0.4 to 0.5 for low permeability and high strength. In concrete, the trade-off is, of course, with practicality, as the very low water content results in very hard mixtures that are difficult to place. Water-to-cement ratio is a factor ...

get price

Slump Test - Civil Engineering Simplified

25/05/2020  A little variation in water to cement ratio, ingredient proportioning, increase in slump etc will have a major impact on the desired strength of the structure which in turn affects the structural stability. The quality tests of concrete is done in three stages. a) Production stage quality tests ( On fresh concrete before placing) b) Hardened stage quality tests ( hardened concrete specimens) c ...

get price

Concrete Slump Test - Theory and Lab Test - Civil Engineering

16/02/2017  The concrete slump test is known as "Standard Test Method for Slump of Hydraulic-Cement Concrete" and carries the code (ASTM C 143) or (AASHTO T 119). United Kingdom Europe. In the United Kingdom, the Standards specify a slump cone height of 300-mm, a bottom diameter of 200-mm and a top diameter of 100-mm. The British Standards do not explicitly specify that the cone

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Concrete Mix Ratio And Slump Value Of Concrete ...

Typically, a mix is about 10 to 15 % cement, 60 to 75 % aggregate and 15 to 20 % water. This concrete mix ratio of aggregate to sand to cement is an important factor in determining the compressive strength of the concrete mixture. Type of Concrete Mix Ratio. As Per IS Code 456-2000 three different part of Concrete Mix Ratio

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Quality Tests on Concrete-Slump test – vin civilworld

25/05/2020  A little variation in water to cement ratio, ingredient proportioning, increase in slump etc will have a major impact on the desired strength of the structure which in turn affects the structural stability. Concrete is designed for a particular strength and the total structural stability is dependent on a good quality concrete. and that is why quality control is one of the most important ...

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Concrete Slump Test for Workability -Procedure and Results

Zero Slump – Zero slump is the indication of very low water-cement ratio, which results in dry mixes. These type of concrete is generally used for road construction. Collapsed Slump – This is an indication that the water-cement ratio is too high, i.e. concrete mix is too wet or it is a high workability mix, for which a slump test is not ...

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Rheological Properties of Concrete - Civil Engineering ...

05/01/2021  The slump test was developed in the early 1920s when concrete researchers recognized the role of water-cement ratio in concrete strength. The slump test was quickly adopted because of its simplicity. Using the slump test to assess the workability of fresh concrete has become questionable, especially for modern concrete mixtures incorporating chemical admixtures. Its primary deficiency is

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Water Cement Ratio of Concrete - Civil Gyan

13/10/2019  Generally, the water to cement ratio for the nominal mix ( M10, M15, M20, and M25) falls under 0.4 to 0.6 as per IS Code-10262 (2009). Lower water to cement ratio results in higher strength and durability but makes the concrete mix hard to work with and form. But this problem can be resolved by the use of plasticizers and superplasticizers.

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Mix Design and Pumped Concrete - Civil Engineering Portal ...

The approximate quantity of water for a slump of 50 mm and 100 mm is given in table 4. In high strength concrete due to lower water-cement ratio and high cement concrete workability is reduced with the given quantity of water per cu.m of concrete. In such case water reducing admixtures are useful. In the addition of this type of admixtures at normal dosage levels to obtain a higher workability ...

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Civil Engineering Questions and Answers - CIVILVILLAGE

29/01/2020  A. True Slump: The concrete mass after the test when slumps evenly all around without disintegration is called the true slump. Shear Slump: When one-half of the concrete mass slide down the other is called the shear slump. This type of slump is obtained in a lean concrete mix. Collapse Slump: When the sample is collapsed due to adding excessive water, it is known as collapse slump. Zero Slump ...

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water cement ratio Slump test cone

Here the water-cement ratio is the relative weight of the cement water in the mixture. For most applications, the water-to-cement ratio should be between 0.4 to 0.5 for low permeability and high strength. In concrete, the trade-off is, of course, with practicality, as the very low water content results in very hard mixtures that are difficult to place. Water-to-cement ratio is a factor ...

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Modeling the influence of water cement ratios and slump ...

25/08/2020  Trends in Civil Engineering and its Architecture ISSN: 2637-4668 Research article Modeling the influence of water cement ratios and slump partially replace cement with iron slag and silica fumes on compressive strength on High strength concrete Eluozo SN*1 and Dimkpa K2 1Department of Civil Engineering, Gregory University Uturu (GUU), Nigeria 2Department of

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Concrete Mix Ratio And Slump Value Of Concrete ...

Typically, a mix is about 10 to 15 % cement, 60 to 75 % aggregate and 15 to 20 % water. This concrete mix ratio of aggregate to sand to cement is an important factor in determining the compressive strength of the concrete mixture. Type of Concrete Mix Ratio. As Per IS Code 456-2000 three different part of Concrete Mix Ratio

get price

(PDF) CONCRETE MIX SLUMP AND COMPRESSION TEST JOHN

This is an indication of high water-cement ratio. Shear-Slump: 3 When the concrete slides down in an inclined plane this is known as shear-slump. This indicates that the results are incomplete, and the concrete to be retested, or otherwise the flow test is more applicable. Zero-Slump When concrete mixture remains still and takes the shape of the cone mould, then it is called zero-slump. This ...

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Concrete Slump Test - Theory and Lab Test - Civil Engineering

16/02/2017  The concrete slump test is known as "Standard Test Method for Slump of Hydraulic-Cement Concrete" and carries the code (ASTM C 143) or (AASHTO T 119). United Kingdom Europe. In the United Kingdom, the Standards specify a slump cone height of 300-mm, a bottom diameter of 200-mm and a top diameter of 100-mm. The British Standards do not explicitly specify that the cone

get price

Water Cement Ratio Watercement Ratio Water Cement ...

11/01/2020  With the proper water-cement ratio concrete becomes more durability, porosity, and color will be balanced. Recommended Water cement ratio for concrete, For ordinary concrete work (sidewalks and driveways): 0.6 to 0.7; If required higher quality concrete is desired: 0.4; The practical best water-cement ratio is from about 0.40 to over 0.60.

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Concrete Slump Test for Workability -Procedure and Results

Zero Slump – Zero slump is the indication of very low water-cement ratio, which results in dry mixes. These type of concrete is generally used for road construction. Collapsed Slump – This is an indication that the water-cement ratio is too high, i.e. concrete mix is too wet or it is a high workability mix, for which a slump test is not ...

get price

Mix Design and Pumped Concrete - Civil Engineering Portal ...

The approximate quantity of water for a slump of 50 mm and 100 mm is given in table 4. In high strength concrete due to lower water-cement ratio and high cement concrete workability is reduced with the given quantity of water per cu.m of concrete. In such case water reducing admixtures are useful. In the addition of this type of admixtures at normal dosage levels to obtain a higher workability ...

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Question is ⇒ Workability of concrete mix with low water ...

⇒ Workability of concrete mix with low water cement ratio is determined by. tensile strength test slump test compaction factor test flexural strength test ⇒ If P, Y and Z are the weights of cement, fine aggregates and coarse aggregates respetively and W/C is the water cement ratio, the minimum quantity of water to be added to first batch ...

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Civil Engineering Questions and Answers - CIVILVILLAGE

29/01/2020  A. True Slump: The concrete mass after the test when slumps evenly all around without disintegration is called the true slump. Shear Slump: When one-half of the concrete mass slide down the other is called the shear slump. This type of slump is obtained in a lean concrete mix. Collapse Slump: When the sample is collapsed due to adding excessive water, it is known as collapse slump. Zero Slump ...

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