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Influence Of Manufactured Sand On High Strength Concrete Ppt

:: ARTIFICIAL SAND

From the above design results it can be observed that the strength of Concrete increases with Artificial Sand. More over the presence of Fines in artificial sand increases the workability and gives more sound Concrete. The slabs, using Artificial sand, are more leak proof than by river sand.

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Influence of Manufactured Sand as Fine Aggregate on ...

PDF | On Aug 1, 2014, Shanmugapriya Vijay and others published Influence of Manufactured Sand as Fine Aggregate on Strength Properties of High Performance Concrete

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M sand - SlideShare

Dec 10, 2015· M20 grade concrete mix meet this requirement when M-sand is used as fine aggregate. Bond strength 13.9 MPa for river sand and 14.1 MPa for M-sand Stress-strain characteristics of concrete The strain corresponding to peak stress is 0.0017 and 0.0021 for the concrete using river sand and M-sand respectively. Compressive and flexural strength of ...

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Ultra-High Strength Concrete Mixtures Using Local Materials

Ultra-High Strength Concrete Mixtures Using Local Materials Srinivas Allena1 and Craig M. Newtson2 ... local sand with a top size of 0.0236 in. (600 μm), and locally available Type I/II cement ... ductility with the use of ultra high strength concrete encourages researchers and engineers

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Effect of Cement Replacement by Silica Fume and Fly Ash ...

Explore Effect of Cement Replacement by Silica Fume and Fly Ash with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Effect of Cement Replacement by Silica Fume and Fly Ash with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final Year Civil Engineering CE or IEEE …

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Influence of manufactured sand characteristics on strength ...

Highlights Manufactured sand characteristics have a great influence on pavement performances of concrete. Increasing rock microfines amount to 20% will increase strength and improve abrasion resistance of concrete. Sand with both large roughness and low crushing value is beneficial to enhance flexural strength and abrasion resistance. Concrete abrasion resistance has not relation with silicon ...

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(PDF) mica in concrete | Gerald Maregesi - Academia.edu

The high- water demand of the Kimbi sand can be associated with the presence of muscovite [white] mica in the sand. 8. SUMMARY AND CONCLUSION The study has shown that the compressive strength of concrete made using micaceous sand is reduced compared to concrete made from non-micaceous sand.

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Factors Affecting Strength of Concrete - The Constructor

Factors Affecting Strength of Concrete. Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.

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Influence of manufactured sand's characteristics on its ...

May 30, 2018· Manufactured sand (MS) is widely considered as an alternative of the river sand (RS) recently, and to clarify the influence significance and influence mechanism of MS characteristic parameters on its concrete performance is essential to its scientific application.

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Mix Design and Pumped Concrete - WordPress.com

Mix Design and Pumped Concrete A simple method of concrete mix design for pumpable concrete based on an estimated weight of the concrete per unit volume is described in the paper. The tables and figures presented are worked out by the author from a wide range of Indian materials. The method is suitable for normal weight concrete with admixture.

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Properties of Concrete - Workability, Setting, Bleeding ...

Properties of Concrete. Following are the important properties of fresh concrete. Setting. Workability. Bleeding and Segregation . Bleeding. Segregation. Hydration. Air Entrainment. 1. Setting of Concrete. The hardening of concrete before its hydration is known as setting of concrete. OR. The hardening of concrete before it gains strength. OR

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Strength properties of bamboo and steel reinforced ...

This appreciable behaviour highlighted the valuable influence of fly ash, GGBS and m-sand. Hence, it can be recommended for construction of structural elements requiring high bending resistance. 4. Conclusion. This study focused on the strength properties of bamboo and steel reinforced concrete containing manufactured sand and mineral admixtures.

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Silica Fume Topic - concrete.org

Silica fume, a by-product of the ferrosilicon industry, is a highly pozzolanic material that is used to enhance mechanical and durability properties of concrete. It may be added directly to concrete as an individual ingredient or in a blend of portland cement and silica fume. In the United States, silica fume is used predominantly to produce concrete with greater resistance to chloride ...

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EFFECTS OF AGGREGATE TYPE, SIZE, AND CONTENT ON …

The effects of aggregate type, size, and content on the behavior of normal and high-strength concrete, and the relationships between compressive strength, flexural strength, and fracture energy are discussed. The concrete mixtures incorporate either basalt or crushed limestone, aggregate sizes of 12 mm ('h in.) or 19 mm (:Y. in.), and

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Concrete -Definition, Components, Grades, Manufacture ...

Concrete Technology - Concrete is a construction material composed of cement, fine aggregates (sand) and coarse aggregates mixed with water which hardens with time. Portland cement is the commonly used type of cement for production of concrete. Concrete technology deals with study of properties of concrete and its practical applications. In a building construction, concrete is used for the ...

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The effect of natural sand composition on concrete strength

Jun 01, 2016· The effect of natural sand composition on concrete strength. ... They generally account for 75–80% of the volume of the concrete and would therefore be expected to have an important influence on the concrete's properties. ... there is no negative effect on concrete strength; a high sand equivalent value for fine aggregate indicates a ...

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Development of High Performance Concrete and Evaluation of ...

concrete with a water binder ratio of 0.33 and a slump in the range of 8 to 9 inches. Workability characteristics of the fresh concrete are analyzed and hardened concrete properties tested in this research are compressive strength, chloride ion permeability, and creep and drying shrinkage properties.

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Effect of Manufactured Sand on Mechanical Properties of ...

Effect of Manufactured Sand on Mechanical Properties of Concrete Vaishali.P 1, Dr. G.Dhanalakshmi, M.E., ... Now the sand available contains very high amount of silt ... The Split Tensile Strength of the concrete having M-sand obtained from Karur is 14.6% and 32.49% higher than that of the concrete having Pudukottai and Padalur ...

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Lightweight Aggregate Concrete: Types, Properties And ...

May 24, 2017· LWAC is the popular type of light weight concrete, in which lightweight aggregates are used. The lightweight aggregates are relatively new materials. These have a unit weight up to 12kN/m3. The LWA can be either natural or artificial or manufactured. The natural aggregates include volcanic cinder, dolomite or pumice.

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Seven Must-Use Concrete Admixtures (Additives)

The other major application is the production of high-strength concrete at w/c's ranging from 0.3 to 0.4. It has been found that for most types of cement, superplasticizer improves the workability of concrete. One problem associated with using a high range water reducer in concrete is slump loss. High workability concrete containing ...

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HIGH STRENGTH CONCRETE PPT - SlideShare

Mar 30, 2015· HIGH STRENGHT CONCRETE: • High-strength concrete has a compressive strength greater than 40 MPa. • High strength concrete is made by lowering the water cement (W/C) ratio to 0.35 or lower. • Due to low w/c ratio it causes problem of placing,to overcome from this superplasticizer used.

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(PDF) Influence of manufactured sand's characteristics on ...

Influence of manufactured sand's characteristics on its concrete performance ... a new proportion design method was put forward to design ultra high strength concrete with manufactured sand and ...

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WHAT ARE THE FACTORS INFLUENCING COMPRESSIVE STRENGTH …

Factors Affecting Strength Test Results of Concrete Compressive strength is the most important property of concrete. The compressive strength of concrete is determined in the laboratory in controlled conditions. On the basis of this test result we judge the quality of concrete. But sometimes the strength test results vary so widely that it becomes difficult […]

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Ettringite Formation and the Performance of Concrete

detrimental to concrete performance. [Concrete in photo exposed to phenolphthalein stain to highlight features.] Fig. 3. This is a photomicrograph of a mortar sample that had been stored in water for six years at 20 °C. To simulate an over sulfated system, part of the sand was replaced by gypsum, and thus significant expansions occurred.

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What is Concrete Strength and what are the factors ...

Upto 1975, the mass production of cement in India was only OPC-33 Grade. It was found difficulty in obtaining high strength concrete with this cement. The consumer has been normally finding it difficult to get consistent and ensured supply of high strength cement for prestressed concrete and certain items of precast concrete.

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EXPERIMENTAL STUDY OF COMPRESSIVE STRENGTH OF …

manufactured sand may play a significant role as an ingredient in concrete production 1.1 Objectives The general objective of this study work is to study the influence of manufactured sand on the compressive strength of concrete and to compare the result with that of concrete produced using natural river sand.

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A Study on Properties of Self-Compacting Concrete with ...

A Study on Properties of Self-Compacting Concrete with Manufactured Sand as Fine Aggregate: A Critical Review ... compressive strength, Split tensile strength and Flexural strength. Further, study of its durability ... is produced by the very high absorption of the recycled sand …

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THE DEVELOPMENT OF ULTRA HIGH STRENGTH CONCRETE …

THE DEVELOPMENT OF ULTRA HIGH STRENGTH CONCRETE MIXTURES USING WASTE FOUNDRY SAND by Chizitelu Modebelu, B.S ... manufactured sand that passes through #30 sieve, silica fume, Type I Ordibary Portland ... and gradation of fine aggregates also influences the mechanical properties of concrete (Srinivas & Newston, 2010). ...

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Strength of Concrete - University of Washington

Concrete Technology Strength of Concrete Professor Kamran M. Nemati Winter Quarter 2015 1 Concrete Technology Strength of Concrete Concrete Technology 2 Strength of Concrete In concrete design and quality control, strength is the property generally specified. This is because, compared to most other properties, testing strength is relatively easy.

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(PDF) Effect of Treated Waste Water on Strength of Concrete

PDF | This study deals with the effect of different type of treated waste water on properties of strength of concrete such as compressive strength, tensile strength and flexural strength with ...

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