durability of concrete with high cement replacement

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Durability of concrete with high cement replacement ...

Jun 01, 2000  As a result, high strength concrete contains a high proportion of unhydrated cement . Also, some modern cement has higher early strength than traditional ones, and induces more calcium hydroxide formation. This may have an adverse effect to the durability and cost of concrete.

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Durability of concrete with high cement replacement ...

The present study also indicated that an alternative durable concrete could also be made with 25 vol.% of cement replaced with silts and clay using a water/cement (w/c) ratio of 0.5. That is, the cement and water contents were less than those in OPC. Also, the cost of concrete will be lowered.

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Durability of concrete with high cement replacement

Download Citation Durability of concrete with high cement replacement The durability of concrete made from various non-reactive waste materials, i.e. carbon black, silts and clays, and with ...

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Durability and Compressive Strength of High Cement ...

high strength concrete. Partial replacement of cement in SCC with various industrial byproduct wastes such as limestone power, cement kiln dust, and pulverized steel slag improves resistance to chloride penetration [7]. Other studies, however, contend that, under laboratory conditions, the durability

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Durability and Compressive Strength of High Cement ...

This study examines durability and mechanical properties of sustainable self-consolidating concrete (SCC) in which 80% of the cement is replaced with combinations of recycled industrial by-products including fly ash, silica fume, and ground granulated blast furnace slag (GGBS). The water to binder (w/b) ratio of SCC mixes studies was maintained at 0.36.

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Durability and Compressive Strength of High Cement ...

high strength concrete. Partial replacement of cement in SCC with various industrial byproduct wastes such as limestone power, cement kiln dust, and pulverized steel slag improves resistance to chloride penetration [7]. Other studies, however, contend that, under laboratory conditions, the durability

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(PDF) Durability and Compressive Strength of High Cement ...

Nov 06, 2018  Partial replacement of cement with GGBS in SCC enhances compressive strength and durability. In one study , it was shown that replacing 70% of cement in a particular SCC mix resulted in strength ...

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Durability - Portland Cement Association

Concrete ingredients, their proportioning, interactions between them, placing and curing practices, and the service environment determine the ultimate durability and life of the concrete. The heavily traveled Wacker Drive replacement in downtown Chicago was designed for a 75- to 100-year life.

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DURABILITY PROPERTIES OF HIGH PERFORMANCE

concrete for the mix having partial replacement of cement by 10% silica fume and 10% metakaolin with partial replacement of fine aggregate by 20% bottom ash. Keywords: bottom ash, durability, flies ash, metakaolin, quality, silicafume.

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The Mechanical Durability Performance of Concrete ...

Figure 5.3 Concrete Density Of WCA As Cement Replacement Concrete Grade 50 Versus Age 104 Figure 5.4 Ultrasonic Pulse Velocity Of Concrete Grade 25 Versus Period 109 Figure 5.5 Ultrasonic Pulse Velocity Of Concrete Grade 50 Versus Period 110 Figure 5.6 Compressive Strength Of Specimen Concrete Grade 25 Versus Time (Days) 113

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Evaluation Of Mechanical And Durability Properties Of ...

economy and living standards in India. Cement production in the country is assessed to be 347 million tons per annum and cement production grows by 5% every year. Cement concrete is the most important material for the construction. The quantity of cement in concrete can affect the mechanical and durability properties of concrete.

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Effect of Metakaolin Content on the Properties of High ...

Sep 10, 2013  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

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Investigation on Palm Kernel Ash as Partial Cement ...

material and it can not only be used as partial cement replacement but also can increase the compressive strength and durability of concrete. 2. AIM AND OBJECTIVES The aim of this study is to investigate the potential of producing high strength concrete by partial replacement of cement with palm kernel shell ash concrete.

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Evaluation of the permeability of high strength concrete ...

Jan 11, 2021  Mix proportioning. The mix proportioning for high strength concrete is carried out as per the guidelines given by IS456:2000 and IS10262:2009. For selecting the reference concrete (100% OPC concrete), seven trial mixes were developed with the variables of superplasticizer (SP) dosage, ratio of fine and coarse aggregate, water cement ratio and cement content.

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Eco-Friendly Alternatives To Traditional Concrete ...

Jul 18, 2019  Posted on July 18, 2019. Concrete is a mixture of cement, gravel, sand, water and a range of aggregates. With about 10 billion tons of concrete produced every year, it is the most consumed substance in the world, second only to water.. It is also the world’s most widely used material for construction – from bridges to large buildings, concrete forms the very foundation of our

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State of art review on self compacting concrete using ...

In this concrete, cement replacement with some material like fly ash, metakaolin, ground granulated blast furnace slag (GGBS) etc. because to reduce 5–7% of CO 2 emissions in cement and due to the curing of concrete large amount of water is required. To overcome the high consumption of water it is needed to study the self-curing concrete.

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Concrete Repair – TCC Materials

Rapid Patch® Concrete Repair Mortar (20 lb. BOM #129460, 50 lb. BOM#129470) is a fast-setting, high-performance, multi-use blend of hydraulic cement, polymers, fine aggregates, and special additives used for concrete repair and new construction where high early strength, excellent durability, and low shrinkage is required.

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Concrete Repair - Sika

Sika concrete repair mortars are suitable for restoration work, repair of spalling and damaged concrete in all types of structures including buildings, bridges, infrastructure and super-structures. Advantages: Easy to mix and apply. Pre-bagged for quality, just add water. High mechanical properties.

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Concrete - Wikipedia

Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. In the past, lime based cement binders, such as lime putty, were often used but sometimes with other hydraulic cements, (water resistant) such as a calcium aluminate cement or with Portland cement to form Portland cement concrete (named for ...

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The Mechanical Durability Performance of Concrete ...

Figure 5.3 Concrete Density Of WCA As Cement Replacement Concrete Grade 50 Versus Age 104 Figure 5.4 Ultrasonic Pulse Velocity Of Concrete Grade 25 Versus Period 109 Figure 5.5 Ultrasonic Pulse Velocity Of Concrete Grade 50 Versus Period 110 Figure 5.6 Compressive Strength Of Specimen Concrete Grade 25 Versus Time (Days) 113

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Effects of Ground Granulated Blast Furnace Slag in ...

difference in the level of deicer scaling that occurred in slag cement concrete versus OPC concrete (Dubovoy, et al, 1986). Afrani and Rogers (1994), on the other hand, recorded much greater scaling loss for concrete with high slag cement replacement compared to 100% OPC concrete. Also noted was a difference in deicer scaling resistance apparently

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Chapter 3 - Fly Ash in Portland Cement Concrete - Fly Ash ...

Jun 27, 2017  Additional cement replacement would affect early strength development. Characteristics of cement vary, as do fly ashes, and not all combinations produce a good concrete. The selected portland cement should be tested and approved on its own merit, as well as evaluated in combination with the specific fly ash to be used.

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Properties of High Strength Concrete with Calcined ...

In this research, calcined diatomaceous earth from Aceh Besar, Indonesia was used as cement replacement in producing high strength concrete. Four concrete mixtures in which the percentage of cement replacement of 0%, 5%, 10% and 15% by weight were studied. Four cylinder-specimens with 100 mm diameter and 200 mm high were prepared for each mixture.

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Investigating the Compressive Strength of Concrete by ...

experience it is determined that 50% or more cement replacement by fly ash, it is potential to develop sustainable, high performance concrete mixes that show higher workability, higher ultimate strength and high durability, (Malhotra, 1999). High volume fly ash concrete (HVFAC) has very low water content. Because of the

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The Compressive Strength of High-Performance Concrete and ...

The compressive strength of silica fume concretes was investigated at low water-cementitious materials ratios with a naphthalene sulphonate superplasticizer. The results show that partial cement replacement up to 20% produce, higher compressive strengths than control concretes, nevertheless the strength gain is less than 15%. In this paper we propose a model to evaluate the compressive ...

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State of art review on self compacting concrete using ...

In this concrete, cement replacement with some material like fly ash, metakaolin, ground granulated blast furnace slag (GGBS) etc. because to reduce 5–7% of CO 2 emissions in cement and due to the curing of concrete large amount of water is required. To overcome the high consumption of water it is needed to study the self-curing concrete.

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Efficiency of Rice Husk Ash as Cementitious Material in ...

Special attention is paid to its efficiency for increasing the strength by partial cement replacement to obtain high-strength soil cement, and it is compared with fly ash. Test results indicate that up to 35#x0025; of RHA could be advantageously added up to enhance the strength if the cement content in the mixture is larger than 10#x0025;.

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(PDF) Investigation on Palm Kernel Ash as Partial Cement ...

This study investigated the effect of palm kernel shell ash (PKSA) as a partial replacement for ordinary Portland cement in high strength palm kernel shell ash concrete. The mix design targeted a compressive strength of 50MPa at 28days. The

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Metakaolin in Concrete: Its Properties, Advantages ...

Oct 02, 2019  Summing up, Metakaolin is utilized as pozzolanic material for partial cement replacement producing high strength concrete. High strength concrete withstands loads that a normal strength concrete can’t. Metakaolin increases the early age strength development of concrete. It provides long-term durability and increases the serviceability of the ...

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(PDF) ASSESSMENT OF THE SUITABILITY OF PERIWINKLE SHELL ...

The compressive strength of concrete specimens decreased as the percentage of PSA increased. Periwinkle shell ash developed good strength in concrete and could be used as a partial replacement for cement if appropriate technology is developed for its proper utilization. Keywords: Cement, Concrete, Periwinkle Shell Ash, Pozzolans. 1.

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Concrete Repair - Sika

Sika concrete repair mortars are suitable for restoration work, repair of spalling and damaged concrete in all types of structures including buildings, bridges, infrastructure and super-structures. Advantages: Easy to mix and apply. Pre-bagged for quality, just add water. High mechanical properties.

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High strength concrete properties, admixture, and mix ...

High strength concrete is a useful material for high-rise buildings, long-span bridges, heavy-duty industrial floors, pre-stressed concrete, etc. Concrete is a mixture of cement, water, coarse and fine aggregates with or without chemical and mineral admixtures. As aggregate covers 75 percent of the volume of concrete, for HSC, high-strength ...

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Fast-Setting Concrete Patch Mortar UNIQUE Paving Materials

Specialized Concrete Patching Materials. For structural repairs deeper than 2″, use our concrete patching compound, UNIQUE ® Highway DOT Fast Set Concrete Patching Material featuring hydraulic cement with 3/8″ aggregate added. UNIQUE® Highway DOT fast setting concrete features high early strength, freeze thaw resistance, and up to 15 minutes of working time at 70 ° F just like our ...

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