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Effect of Seashell Powder on Flexural and Compressive ...

The several structures have been failed due to low flexural and compressive strength of OPC paste. Many waste materials are applicable for modify flexural and compressive strength of cement mortar. Among the additives, a natural additive has been selected. The effect of seashell powder on flexural and compressive strength of cement mortar has been investigated.

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EFFECT OF WASTE MINERAL ADDITIVES ON FLOW …

effect of the type of mineral additive on the compressive EFFECT OF WASTE MINERAL ADDITIVES ON FLOW STABILITY OVER TIME ... self-compacting concrete, waste mineral additive, sustainability of civil . engineering. Received:..... As production of every type of concrete, self-compacting included, requires the use of cement,

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Effects of Additives and Conditioning Time on …

 &#; Effects of Additives and Conditioning Time on Compressive and Shear Bond Strengths of ... due to the high temperature effect. An additive such as ... critical percentage of SSAto increase the compressive strength of cement. The effect of% SSAis more than that of% SSAfordays. However, the compressive

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Effect of Polymer Additive on Gas Permeability …

Polymer-cement composites are valuable repair materials for concrete construction. Their mechanical and technological characteristics differ from those of materials containing only mineral components. One of the most important properties determining the sustainability of the composite is gas permeability coefficient. The influence of concrete composition on the value of gas permeability ...

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Effects of Adding Boron Compounds to Glycol Based …

 &#; In this study, the effect of substituting boron compounds with glycol-based grinding aids to the compressive strength performances of cement was investigated. Monoethylene glycol (MEG) and diethylene glycol (DEG) were used as glycol-based grinding aids, and anhydrous borax and boric acid were used as boron compounds in the tests. CEM I type cement production was carried out with the …

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Anticorrosive Effect of Electrochemical Manganese …

 &#; compressive strength with% additive is appeared to be slightly higher from the reference spe-cimens. Keywords Pitting Corrosion, Carbonation, Mineral Additives, Electrochemical Manganese Dioxide, Porosity Compressive Strength. Introduction The reinforced concrete is the most widely used building material on the world because of high mechanical

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The Effect of the Use of Mineral Additives on Early and

"Water/Binder" rate, which is known to be an important parameter in terms of the compressive strength of concrete, has been changed as.,.and.in the context of the experiments, andxxmm cube samples have been taken from the mixtures generated separately for each mineral additive type.

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THE EFFECT OF CEMENT AND RICE HUSK ASH ON THE …

 &#; THE EFFECT OF CEMENT AND RICE HUSK ASH ON THE ... been conducted on the use of rice husk ash as mineral additive to improve the performance of concrete [Zhang et al,, Coutinho, ... (CEM II/BM.N). This type of cement is usually used as the main binder for ordinary construction and is readily available. The cement for this study was ...

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EFFECTS OF ADDITIVES ON GYPSUM SLURRY BEHAVIOUR

 &#; EFFECTS OF ADDITIVES ON GYPSUM SLURRY BEHAVIOUR . Teodora Tinkova. University of Mining and Geology “St. Ivan Rilski”, Department of Mineral Processing and Recycling,Sofia, Bulgaria. Abstract . The implementation of this study is based onmethodology, exploring opportunities for adding of

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Studying of Effect The High Range, Water-Reducer/ Super ...

 &#; Studying of Effect The High Range, Water-Reducer/ Super plasticizer, Retarding admixture on Properties of Concrete Hanadi Abdulridha Lateef Abstract— Due to high temperatures in Iraq, especially in the summer, concrete pouring need to be under certain circumstances, where concrete need

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Effect of the Type of Mineral Additive on the Compressive ...

 &#; Effect of the Type of Mineral Additive on the Compressive Strength Of Concrete Exposed to High Temperature Y&#;ksel Esen*,1, Alper Kurt*,1,2Faculty of Technology, Department of Civil Engineering, Firat University,, Elaziğ-Turkey Abstract In this study, the effect of high temperature in concrete by mineral additive types was

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Advances in Materials Science and Engineering

 &#; The aim of this study is to evaluate the effect of the different types of fly ash on the compressive strength properties of sintered briquettes. Thermal gravimetric (TG) analysis was carried out. The chemical composition and physical properties of the materials used were determined. Particle size distribution and microstructure elemental analyses of the materials used were carried out by a ...

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Performance comparison of two bacteria-based additives ...

 &#; Performance comparison of two bacteria-based additives used for self-healing concrete Mian Luo,2, Chun-Xiang Qian,College of Materials Science and Engineering, Southeast University, Nanj, China — e-mail: [email protected]; [email protected] effect of the type of mineral additive on the compressive

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Effect of curing under pressure on compressive strength ...

 &#; Effect of curing under pressure on compressive strength development of cemented paste backfill... (PCI) supplied by St-Laurent Cement. Mineral additive such as blast ...

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Strength and durability effect of modified zeolite ...

 &#; Strength and durability effect of modified zeolite additive on concrete properties B.D Ikotun ٭, S. Ekolu School of Civil and Environmental Engineering, University of the Witwatersrand, Private Bag X3, WITS, Johannesburg, South Africa Abstract This paper presents an investigation into the effect of a modified zeolite additive

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Effect of the additions of dehydrated geopolymer …

 &#; Effect of the additions of dehydrated geopolymer powders on compressive strength and integrity of the final geopolymercompositions with two different fluid ratios are preferred since they present metakaolin based stable and high-strength geopolymers [3]. Primarily, dehydrated geopolymer powders (DGP powders) were obtained from the resin.

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Effect of Polymer Additive on Gas Permeability …

effect of the type of mineral additive on the compressive Polymer-cement composites are valuable repair materials for concrete construction. Their mechanical and technological characteristics differ from those of materials containing only mineral components. One of the most important properties determining the sustainability of the composite is gas permeability coefficient. The influence of concrete composition on the value of gas permeability ...

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high performance concrete mineral additives

Compressive strength of high performance concrete by … type of additives Gourav1, Er. ... ACI defined high-performance concrete as "a concrete meeting special combinations of performance and uniformity requirements that cannot always be achieved routinely using ... be used as a concrete mineral admixture.

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The Optimization effect of the type of mineral additive on the compressive

 &#; This is an experimental study which explores the physical, mechanical, and economic factors involved in the production of type CEM II A-B/W cement. In this context,cement additives were used in two different dosages (andg/t). Class C fly ash was used for composite cement production at ratios of%,%, and%.

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PREDICTING THE EFFECT OF TRASS ON THE …

 &#; compressive strength of the cement mortars at,anddays is found.. This result shows that the developed model can be successfully applied in the cement sector. Key words: fuzzy logic, cement, trass, compressive strength. INTRODUCTION Nowadays various types of mineral additives due to the advantages such as improving the physical

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Effect on compressive strength of concrete with additive ...

Effect on compressive strength of concrete with additive as Polypropylene Fibres and Super plasticizers Vikas ... It is a dehydroxylated form of the clay mineral kaolinite. It is obtained by calcination of kaolinitic clay at a ... Sikamentsuperplasticizer used in this study is a modified naphthalene formaldehyde sulphonate type and was ...

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EXPERIMENTAL INVESTIGATION ON EFFECT OF MINERAL …

 &#; To cover a wide range of compressive strength of concrete various water binder ratio (W/b) of.,.and.were used. The effect of various parameters such as percentage replacement of mineral admixture, water to binder ratio and corresponding compressive strength is studied on fresh and

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Study on Effect of Self-Compacting Concrete with Partial ...

 &#; Compressive strength atdays.MPa Compressive strength atdays.MPa.Fly ash (Class –F type) The flow ability of self compacting concrete depends on the powder and paste content. Hence, in order to increase the flow ability, mineral admixtures such as fly ash has been used. A class 'F' flyash obtained

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Influence of Eco-Friendly Mineral Additives on Early …

Influence of Eco-Friendly Mineral Additives on Early Age Compressive Strength and Temperature Development of High-Performance Concrete ... additive whicht modifies the ... The effect of the ...

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Effect of Natural Admixture on Durability Properties of ...

 &#; Effect of Natural Admixture on Durability Properties of ... the compressive strength and durability studies viz water absorption, ....2.Mineral admixture Class C fly ash (FA) was used as an additive according to ASTM Class C. Tableshows the properties of

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Effects of Different Mineral Admixtures on the …

Moreover, effect of mineral admixtures on the durability and on the mechanical properties of concrete remained a focus of interest. Nevertheless, effect of mineral admixtures on the properties of fresh concrete is very important as these properties may affect the durability and mechanical properties of …

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Studies on Effect of Mineral Admixtures on Durability of ...

 &#; Studies on Effect of Mineral Admixtures on Durability of Self Compacting Concrete ... out on the fresh SCC and in harden concrete compressive strength and split tensile strength values are determined. ... (Class –F type) The flow ability of self compacting concrete depends on the powder and paste content. Hence, in order to increase

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Effect of Glass Powder on Concrete Sustainability

 &#; Effect of Glass Powder on Concrete Sustainability. ... For w/b studied in this project no mineral additive provides a compressive strength which differs particularly from the others. The difference between strengths developed by the concretes with the different mineral additives is marginal. ... It allows to analyze the effect of w/b ratio and ...

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types of additives in concrete

Effect of the Type of Mineral Additive on the , Effect of the Type of Mineral Additive on the Compressive Strength Of Concrete Exposed to High Temperature Y&#;ksel Esen*,1, Alper Kurt*,1,2Faculty of Technology, Department of Civil Engineering, Firat University,, Elaziğ-Turkey. Concrete…

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The Effect of Neat Magnesium Oxide (MgO) as Expanding ...

 &#; The Effect of Neat Magnesium Oxide (MgO) as Expanding Additive with Burning TemperatureoC Aris Buntoro, Rudi Rubiandini R.S andoC on Cement Shear Bond Strength at High Pressure and Temperature C-S-H gel is the early hydration product even at elevated

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Admixtures for Concrete

 &#; Admixtures for Concrete Fig.. Liquid admixtures, from left to right: antiwashout admixture, shrinkage reducer, water reducer, foaming agent, corrosion inhibitor, and air-entraining admixture. () Despite these considerations, it should be borne in mind that no admixture of any type …

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