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effect of expanded perlite on the mechanical properties and

Effect of expanded perlite on the mechanical properties

Feb 01, 2011· Properties of lightweight concrete, however, are usually different compared to those of normal concretes. The main objective of this study is to provide more data on the effects of expanded perlite aggregate on the mechanical properties and thermal conductivity of lightweight concrete.

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Effect of expanded perlite on the mechanical properties

The main objective of this study is to provide more data on the effects of expanded perlite on the mechanical properties and thermal conductivity of lightweight concrete. In the experimental program, mixtures were prepared by partially replacing natural aggregate by expanded perlite and as a result, unit weights of lightweight concretes in

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Effect of expanded perlite on the mechanical properties

The expanded perlite (P) is a favorable material in terms of water retention, a negative material in terms of water absorption, capillary, permeability and mechanical properties [4].

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Effect of expanded perlite aggregate on the properties of

Aug 11, 2008· Expanded perlite aggregate (EPA) is a heat and sound insulator, and lightweight material which ensures economical benefits in constructions. This paper investigates the properties of concrete containing EPA considering cement types (CEM II 32.5R and CEM I 42.5R), dosages (300, 350 and 400) and replacement ratios (0, 15, 30, 45 and 60).

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[PDF] Effects of expanded perlite aggregate ( EPA ) on the

In this paper the results of investigation on the effects of using Expanded Perlite (EP) as an aggregate in lightweight concrete (LWC) is presented. Through a series of tests, the following properties of manufactured mixes were obtained: compressive strength after 7 and 28 days in 2 different curing conditions, splitting tensile strength after 7 and 28 days, water sorptivity (normal and

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(PDF) Effect of expanded perlite aggregate (EPA) on the

Mechanical properties and microstructural analysis of Expanded Perlite Aggregate (EPA) concretes are presented. Using 10% EPA, the effects of using various types of fibre were investigated.

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Effect of Presoaked Expanded Perlite Aggregate on the

This paper reports on an investigation of the use of expanded perlite aggregate as saturated lightweight aggregate (LWA) with respect to the mechanical and dimensional stability properties of engineered cemetitious composites (ECC).

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The Effect of Expanded Perlite on the Performance of the

[5] Sengul O, Azizi S, Karaosmanoglu F, et al. Effect of expanded perlite on the mechanical properties and thermal conductivity of lightweight concrete[J]. Energy and Buildings, 2011, 43(2): 671-676. Energy and Buildings, 2011, 43(2): 671-676.

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Effect of Expanded Perlite Aggregate Dosage on Properties

The proposed concrete mixture, which has 100% of expanded perlite aggregate, has a unit weight of 1703 kg/m 3 and achieved reduction percentage of thermal conductivity around 62% (1.81 to 0.69 W

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(PDF) Effect of expanded perlite aggregate (EPA) on the

Mechanical properties and microstructural analysis of Expanded Perlite Aggregate (EPA) concretes are presented. Using 10% EPA, the effects of using various types of fibre were investigated.

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Effect of Presoaked Expanded Perlite Aggregate on the

This paper reports on an investigation of the use of expanded perlite aggregate as saturated lightweight aggregate (LWA) with respect to the mechanical and dimensional stability properties of engineered cemetitious composites (ECC).

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Effect of Expanded Perlite or Expanded Vermiculite on

In this study, the impact of expanded perlite (EP) and expanded vermiculite (EV) on the refractory properties of magnesium potassium phosphate cement (MKPC)-based fire-resistant materials were investigated. The physical and mechanical properties of MKPC paste were tested, and its fire retardancy properties were studied in detail.

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Effect of Additive of Expanded Polystyrene and Perlite on

Effect of Additive of Expanded Polystyrene and Perlite on Some Mechanical Properties and Thermal Conductivity for Mass Concrete Hamid H. Hussein1, Omar S. Saeed2 1,2 Technical College, Mosul, Iraq Abstract In this research, the major problem of mass concrete (Differences in Temperature) was studied.

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Effect of Additive of Expanded Polystyrene and Perlite on

Expanded polystyrene and perlite were added in different percentages to investigate the effects on some mechanical properties and thermal conductivity of concrete. Two stages of work were performed.In first stage, reference mix was designed at proportion (1cement: 1.41sand: 2.72gravel) with (0.4) water cement ratio.

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(PDF) Mechanical properties and size effects in

The study presented here investigates the effect of density in cementitious mortar on its mechanical properties under quasi-static loading. The reduction in density was achieved through the addition of expanded perlite as a lightweight aggregate into

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Effects of Perlite, Leca, and Scoria as Lightweight

effect of basaltic pumice aggregate on the curing condi-tions of SCLWCs. They concluded that some properties of permeation, such as carbonation and capillary water absorption, got worse. Wan et al. (2018) investigated the effect of Perlite, Scoria, and polystyrene aggregates on the properties of SCC at the fresh and hard phases. In

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Mechanical properties and drying shrinkage of lightweight

Jun 20, 2020· This research focuses on the development of lightweight cementitious composite (LCC) with targeted densities, 800 kg/m 3 and 1000 kg/m 3 by incorporating perlite microspheres. The mechanical properties and the drying shrinkage of the LCC with 0.15%, 0.30% and 0.50% of polypropylene fibers were evaluated.

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Mechanical properties and size effects in lightweight

The study presented here investigates the effect of density in cementitious mortar on its mechanical properties under quasi-static loading. The reduction in density was achieved through the addition of expanded perlite as a lightweight aggregate into cement paste by volume replacement of cement in the ratio from 0 to 8. This yielded a range of densities between 1000 and 2000 kg/m3.

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SECTION 2: INSULATION MATERIALS AND PROPERTIES

2.4.4 EXPANDED SILICA, OR PERLITE Insulation material composed of natural or expanded perlite ore to form a cellular structure; material has a low shrinkage coefficient and is corrosion resistant; non-combustible, it is used in high and intermediate temperature

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(PDF) High-Performance Light-Weight Concrete for 3D Printing

The proposed concrete mixture, which has 100% of expanded perlite aggregate, has a unit weight of 1703 kg/m 3 and achieved reduction percentage of thermal conductivity around 62% (1.81 to 0.69 W

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Influence of Granulometry on Thermal and Mechanical

SEM tests have also been run to clarify the interaction, at a microscopic level, between the expanded perlite and the cement grouting. The results indicate that the mere manipulation of the granulometry may have a considerable and very beneficial effect on the mixture's properties, such as thermal conductivity and water absorption.

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Influence of Granulometry on Thermal and Mechanical

SEM tests have also been run to clarify the interaction, at a microscopic level, between the expanded perlite and the cement grouting. The results indicate that the mere manipulation of the granulometry may have a considerable and very beneficial effect on the mixture’s properties, such as thermal conductivity and water absorption.

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Compressive and flexural strength of expanded perlite

Expanded perlite is a good insulation material which can be used as aggregate replacement in mortar. This study is to study on mortar mechanical properties of flexural and compressive strength subjected to elevated temperatures using expanded perlite aggregate (EPA).

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