high performance concrete mineral additives

CN1439613A - High performance mineral concrete additive ...

A high-performance mineral additive for concrete is prepared from slags (0-70 wt.%), activating agent (5-10), phosphorus slags (0-30), surfactant (2-10) and powdered coal ash (20-80) .It has high dispersing and lubricating action to cement, sand and stone particles, can activate volcanic activity and cementing property, can increase the flowability and slump, and can decrease the consumption ...

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Properties of concrete modified with mineral additives ...

15/03/2017  Mineral additives (zeolites, SiO 2 micro dust etc.) are some of the most prospective components of concrete in the development of new building materials such as high performance concretes, special concretes absorbing heavy metals or suppressing radioactive radiation. These additives modify and accelerate Portland cement hydration process, change its physical

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Incorporation of Mineral Admixtures in Sustainable High ...

studied at the end of the last century. Currently, high-performance concrete is used in massive volumes due to its technical and economic advantages. Such materials are characterized by improved mechanical and durability properties resulting from the use of chemical and mineral admixtures as well as specialized production processes. This paper

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Mineral Admixture - an overview ScienceDirect Topics

Due to the better engineering and performance properties, mineral additions such as fly ash (FA) and GGBFS are normally included in the production of high-strength and high-performance concrete (HPC). These additions could increase the fluidity of the concrete and may reduce the requirement of superplasticizer necessary to obtain a similar slump flow compared with the same concrete without

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Incorporation of Mineral Admixtures in Sustainable High ...

studied at the end of the last century. Currently, high-performance concrete is used in massive volumes due to its technical and economic advantages. Such materials are characterized by improved mechanical and durability properties resulting from the use of chemical and mineral admixtures as well as specialized production processes. This paper

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A Study on the Properties of High Performance Concrete ...

JIAN CHEN: A STUDY ON THE PROPERTIES OF HIGH PERFORMANCE CONCRETE WITH COMPOUND DOI 10.5013/ IJSSST.a.17.36.48 48.1 ISSN: 1473-804x online, 1473-8031 print A Study on the Properties of High Performance Concrete with Compound Mineral Admixtures Jian CHEN* College of Civil Engineering and Architecture, Wuyi University, Wuyishan, Fujian 354300, China

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High Performance Concrete Mineral Additives

High-performance concrete (HPC) which contains increased amount of both higher grade cement and pozzolanic additives generates more hydration heat than the ordinary concrete. Prolonged periods of elevated temperature influence the rate of hydration process in result affecting the development of early-age strength and subsequent mechanical properties.

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High Performance Concrete Mineral Additives

High Performance Concrete Mineral Additives If you want to learn about our products , please call or write mail consultation. 2017-2-15JIAN CHEN A STUDY ON THE PROPERTIES OF HIGH PERFORMANCE CONCRETE WITH COMPOUND DOI 10.5013 IJSSST.a.17.36.48 48.1 ISSN 1473-804x online, 1473-8031 print A Study on the Properties of High Performance Concrete with Compound Mineral

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High Performance Concrete Mineral Additives

High Performance Concrete Mineral Additives. FOB Reference Price:Get Latest Price. The utiliation of byproduct mineral admixtures is the best alternative for nowadays since it not only makes the concrete accomplish the proper performance but also reduce the concrete cost and environmental problems. The user who can use byproduct mineral admixture in large amount such as cement factory or ready ...

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(PDF) High Volume Mineral Additive for ECO-Cement

The use of ECO-cement in manufacturing cement with a high volume of mineral additives including waste glass was presented. Four waste-glass materials were used in the experiment, and ...

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Potentiality of sewage sludge ash as mineral additive in ...

POTENTIALITY OF SEWAGE SLUDGE ASH AS MINERAL ADDITIVE IN CEMENT MORTAR AND HIGH PERFORMANCE CONCRETE C.M.A. Fontes (1), M.C. Barbosa (1), R.D. Toledo Filho (1), J.P. Gonçalves (1) (1) Department ...

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A Study on Ultra High Performance Concrete Using Minerals ...

Ultra-High Performance Concrete (UHPC) is a relatively new construction material, which is a combination of high performance concrete, minerals admixture and steel fibers. The compressive strength reaches beyond 150 MPa, which allows the construction of sustainable and economic buildings with an extraordinarily slim design. In general the aim is to achieve such high strength keeping the

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Mineral Admixtures-Types,Advantages and Uses

The use of mineral admixtures modify the fresh and hardened concrete properties. The mineral admixtures are also called supplementary cementing materials or concrete additives. According to the definition of ASTM, Pozzolans are siliceous or alumina materials, they behave no or less cementitious properties. They are present in fines which react with calcium hydroxide in the presence of water at ...

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Microstructure of Concrete IntechOpen

27/10/2015  The following requirements should be considered in producing high performance concrete (HPC): (i) low water/cement (w/c) ratio; (ii) fine aggregate; (iii) large quantity of mineral additives, silica fume, and fly ash; (iv) high dosage of superplasticizer; and (v) high-pressure steam curing. The microstructure of high performance concrete (HPC) is more homogenous than that of normal concrete ...

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Application of Mineral Admixture in High Performance Concrete

Keywords: mineral admixture; high performance concrete; compressive strength; durability. I. I ntroduction t present, the total consumption of commercial concrete in our country has reached 2.5 billion m 3 per year, and the output of cement has reached 2.6 billion tons, ranking first in the world for 20 consecutive years. So, china is a country with great cement production and concrete ...

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High Performance Concrete Additives - Concrete

14/09/2018  High Performance Concrete Additives - Sep 14, 2018-Concrete additives are added to the mixture of water cement and aggregate in small quantities to increase the durability of the concrete, to fix concrete behavior and to control setting or hardening. They can either be liquid or powdered additives. These additives are supplied in ready-to-use liquid form and are added to the concrete at

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Sustainable high-performance concrete using metakaolin ...

to the improvement of the sustainable high-performance concrete properties. Keywords: Metakaolin, Polymer, SEM, XRD, microstructure 1. INTRODUCTION Using mineral supplementary cementitious materials (SCMs), such as fly ash, silica fume and metakaolin (MK), as additives has already been proved effective to

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(PDF) High Volume Mineral Additive for ECO-Cement

The use of ECO-cement in manufacturing cement with a high volume of mineral additives including waste glass was presented. Four waste-glass materials were used in the experiment, and ...

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Mineral Admixtures - The Concrete Portal

Metakaolin has a performance comparable to silica fume as a mineral admixture in concrete. Since MK is not a by-product, its processing is an expensive affair. Thus the marketability of MK is not as good as silica fume, which is a proven by-product. Proportioning methods for mineral admixtures. Simple replacement method: This is the traditional method of proportioning. Replacement of cement ...

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About Alccofine - High Performance Durable Concrete

Alccofine Series 1200 is a range of micro fine mineral additives for concrete. It improves the performance parameters of concrete in wet and hardened stage. Alccofine Series 1100 is a range of cementitious micro fine injection grouts for soil stabilisation, tunnel grouting, permeation grouting, etc. OHS Cardinal Rules. Safety Provision : Do not override or interfere with any safety provision ...

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Effect of mineral additives and two-stage mixing on the ...

12/05/2020  Zakaria M, Cabrera JG (1996) Performance and durability of concrete made with demolition waste and artificial fly ash-clay aggregates. Waste Manag 16(1–3):151–158. Google Scholar 52. Oh BH, Cha SW, Jang BS, Jang SY (2002) Development of high-performance concrete having high resistance to chloride penetration. Nucl Eng Des 212(1–3):221–231

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What are Concrete Additives? Why do we use them? Big

Modify the features of a hardened concrete; Mineral Additives. They are used to: Increase concrete strength. Economize on the mixture ; Reduce the permeability levels. Affect the nature of concrete (hardened) through the use of hydraulic activity. The Classification of Additives is dependent on the role they perform. Water Reducing. They reduce the amount of water used to prepare concrete for ...

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Mineral Additives Scientific.Net

The C60 high performance concrete was prepared by adding high content mineral additives and reducing water-binder ratio. This kind of concrete has good work performance and higher pumpability. It also has a low shrinkage and creep feature. Experiments were carried out to compare performance to concrete without mineral additives. Results show that its shrinkage and creep value decrease about

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Effects of Different Mineral Admixtures on the Properties ...

Abstract. This paper presents a review of the properties of fresh concrete including workability, heat of hydration, setting time, bleeding, and reactivity by using mineral admixtures fly ash (FA), silica fume (SF), ground granulated blast furnace slag (GGBS), metakaolin (MK), and rice husk ash (RHA).Comparison of normal and high-strength concrete in which cement has been partially ...

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