strength and durability properties of concrete containing

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Mechanical Properties and Durability of Ultra High

In this work, the effect of the addition of multi-walled carbon nanotubes (MWCNTs) on the mechanical properties and durability of ultra high strength concrete (UHSC) is reported. First, the MWCNTs were dispersed by a nano sand-mill in the presence of a surfactant in water. The UHSC specimens were pr

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WORKABILITY AND COMPRESSIVE STRENGTH PROPERTIES OF

Jul 07,  · The second study examines how the workability and compressive strength characteristics of concrete mixes are affected when varying amount of recycled concrete fines are used as cement replacement. Experimental procedures for both studies involved the breaking and crushing of cast concrete blocks to produce recycled materials.

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Strength and durability characteristics of binary blended

Strength and durability properties of concrete are reduced by recycled aggregates use owing to its increased water absorption, lesser specific gravity and attached adhered mortar.

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Durability of Concrete Containing Wollastonite and Fly Ash

A series of experiments were carried out to investigate the effect of wollastonite and fly ash combination on the compressive strength, flexural strength, modulus of elasticity, coming off amount, loss percentage of dynamic elastic modulus as well as surface scaling of concrete. The studies show that the effect of mixing wollastonite and fly ash can reach excellent mechanical and durability

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20 Factors Affecting Durability of Concrete - Structural Guide

The compressive strength of the concrete reduces with the high relative humidity resulting in durability issues.; Higher moisture in the surface of the concrete leads to the growth of mold, mildew, and bacteria. Continuous growth could affect the strength of the concrete.

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PDF Strength and durability of recycled aggregate concrete

Strength and durability of recycled aggregate concrete containing milled glass as partial replacement for cement Roz-Ud-Din Nassar⇑, Parviz Soroushian Department of Civil and Environmental Engineering, 3546 Engineering Building, Michigan State University, East Lansing, MI 48824, United States

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Mechanical and durability properties of medium strength

Nagaratnam, B. and Faheem, A. and Rahman, M. and Mannan, M. and Leblouba, M. 2015. Mechanical and durability properties of medium strength self-compacting concrete with high-volume fly

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Compression test on concrete - Civil Engineering Portal

Preservation of cement strength for a longer duration under similar conditions of exposure is greatly dependent on the type of packaging material used. This, in turn, can greatly influence the strength and durability of concrete. 3.5. AGGREGATES: The following characteristic properties of aggregates influence concrete compressive strength.

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Roller-Compacted Concrete (RCC) Material Properties - ACPA

Mechanical Properties of Roller Compacted Concrete Containing Rice Husk Ash with Original and Recycled Asphalt Pavement Material." Materials and Design, 64, 227-236. ↑ Piggott, R.W. (1999). "Roller Compacted Concrete Pavements - A Study of Long Term Performance." Portland Cement Association (PCA), Skokie, Illinois.

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Strength and durability of concrete containing recycled

Sep 01,  · The strength and durability properties of concrete containing RCA were evaluated by a comprehensive experimental investigation involving nine control mixes. The variables considered in the experimental study are water cement ratio, cement content in concrete and percentage replacement of coarse aggregate.

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Quality Testing of Sand for Concrete | Quality Testing of

In this study, solid samples with a w / c ratio of 0.48 and varying silt content ranging from 0% to 9% were separated and tested. In addition, chloride transport tests were performed to check the properties of concrete. The test results indicate a decrease in durability

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Volume III, Issue VIII, August IJLTEMAS ISSN 2278

Strength and Durability Properties of Concrete Containing Recycled Concrete Aggregate Anil Kumar Jonwal1, Dr. I C Sharma 2 1M.Tech scholar, Department of Civil Engineering, Arya College of Engineering and Research Center, Jaipur, Rajasthan, India

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Quality and Durability of Concrete

The mineral admixtures like flyash or g.g.b.s. reduces the heat inside the concrete. Thus, PPC (containing flyash) or PSC (containing g.g.b.s.) can be used as low heat cement. For producing very high strength concrete (say M 80), efficient superplasticizer reducing 30-35% of the mixing water will be required.

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Engineering Properties of Conventional Concrete Containing

Workability, compressive strength, split tensile strength (STS), flexural strength, axial compression, and durability tests were performed on concrete containing coarse aggregate at FSS 0% to100%. The investigation discovered that adding FSS CA to concrete improved its hardened properties.

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Properties of Fresh & hard Concrete - Cement & Concrete in

Jun 09,  · Mixtures containing adequate cement content Properties of Hard Concrete Strength. A durable concrete is one that is designed, constructed, and maintained to perform satisfactorily in the envisaged environment for the specific service life of the structure without undue maintenance. Factors affecting Durability.

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Experimental Study on Comparison of Strength Properties of

Standard to evaluate the strength development of concrete containing various percentages result is shown in Table 3. From the obtained results, it was observed that the compressive strength of all concrete samples was increasing up to addition of 1% fiber and after that, strength reduced with the increase in fiber Percentage.

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Workability, Strength and Durability Properties of

workability, strength and durability properties show more or less equal values which could be possible by designing the concrete mix proportions based on the gradation, fines content and other physical properties of fine aggregate.

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Properties of Palm Ash Concrete - IJESI

used. Palm ash concrete containing palm ash as partial substitute for cement. The replacement percentages are 10%, 20%, 30%. In these investigations, compressive strength and durability of palm ash concrete and normal concrete were found out. Results are tabulated and discussed. The properties of palm ash concrete are also

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Purdue e-Pubs - International Conference on Durability of

Nov 06,  · This study is aimed to investigate effect of fly ash on compressive strength, free expansion and shrinkage of expansive concrete. High CaO and low CaO fly ashes are used in this study. The replacement percentages of total binders by fly ash are 0 and 30% by weight. The replacements of expansive additive are 0, 20 and 30 kg/m3 of concrete. The test results revealed that the use of fly ash

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Strength and Durability Properties of Bacterial Rice Husk

Oct 07,  · Also durability of concrete is defined as the capability of concrete by itself of keeping the original properties for a certain period. LITERATURE REVIEW Ismail and Waliuddin (1996) reported the effect of rice husk ash passing through #200 and #325 sieves as 10-30% partial replacement of cement on workability of high strength concrete.

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Reinforced concrete - Wikipedia

Reinforced concrete (RC), also called reinforced cement concrete (RCC), is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. The reinforcement is usually, though not necessarily, steel bars and is usually embedded passively in the concrete before the concrete

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Effect of Metakaolin Content on the Properties of High

This study presents the effect of incorporating metakaolin (MK) on the mechanical and durability properties of high strength concrete for a constant water/binder ratio of 0.3. MK mixtures with cement replacement of 5, 10 and 15 % were designed for target strength and slump of 90 MPa and 100 ± 25 mm. From the results, it was observed that 10 % replacement level was the optimum level in terms

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PDF Strength and Durability of High Performance Concrete

a high-strength concrete and does not ensure that a durable concrete will be achieved. It is very difficult to get a product which simultaneously fulfills all of the properties. Concrete is considered as durable and strong material. Reinforced concrete is the most popular material that used for construction. Reinforced concrete is exposed to

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Effect of Rice Husk Ash on Strength and Durability of High

This paper reports the strength and durability properties of high strength high performance concrete incorporating rice husk ash (RHA) having high silica, low carbon content and appropriate fineness. In this study concrete containing 10%, 15% and 20% RHA as cement replacement and water to binder ratio of 0.25 were investigated.

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CONCRETE Optimizing the Use of Fly Ash in Concrete

40% to 60%) can be used in structural applications, producing concrete with good mechanical properties and durability (Marceau 2002). Increasing the amount of fly ash in concrete is not without shortcomings. At high levels problems may be encountered with extended set times and slow strength development, leading to low early-age strengths and

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Effect of utilizing unground and ground normal and black

rice husk ash (RHA) and black rice husk ash (BRHA) on the mechanical and durability properties of high-strength concrete (HSC). Mechanical and durability properties of HSC were evaluated on concrete mixes containing unground BRHA and RHA and ground BRHA and RHA, their average particles sizes being 165, 85, 67 and 24 lm, respectively.

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