The Development of a High Performance Material for a Ballast Layer of a Railway Track

Kondratov, V. M.; Soloviova, Valentina; Stepanova, Irina

doi:10.1016/j.proeng.2017.05.128

Cited by 11 publications

(6 citation statements)

References 7 publications

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“…Results of physico-mechanical studies are presented in Table 1. 3 , pH ranging between 6.5% and 47.6%);  aqueous solution of high-molecular compounds (density 0.97 g/cm 3 , pH ranging between 10.5% and 23.8%);  colloidal solution of silicic acid (density 1.014 g/cm 3 , pH ranging between 3.5% and 28.6%). The rational amount of developed admixture to add in the concrete mix was determined from the change in the produced concrete strength at 28 days.…”

Section: Resultsmentioning

confidence: 99%

“…The major admixture components were:  polycarboxylate-based polymers as 25% aqueous solution (density =1.038 g/cm 3 at pH 6.5);  polymeric high-molecular compounds with 19 to 21 carbon atoms in a chain (density =0.97 g/cm 3 at pH 10.5);  aqueous dispersions of silicon dioxide nanoparticles, prepared by dispersion with colloidal solution (sol) of silicic acid, which density was =1.014 g/cm 3 at pH 10.5). For concrete production, the following materials were used (proportion expression provided in kg per 1m 3 Water, determined by trial and error to achieve a Mix P4 plastic level (settlement 16 to 20 m): 250. The procedure of determining concrete strength parameters was performed in accordance with the GOST 10180-2012.…”

Section: Methodsmentioning

confidence: 99%

“…The creation of such concrete is possible only by chemical activation, which can give new hydrated phases of a more complex composition, characterized by better surface hardness and reduced solubility. Hydrated specimens will have a special structure, such as fibrous structure, for example, which has a reinforcing effect on the concrete being formed [1][2][3][4][5]. Unlike chemical activation, hating is less effective, as the increase in the rate of hydration comes usually without the formation of new phases.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Modern High Strength Concrete with Unique Properties

Soloviova¹,

Soloviov²,

Stepanova³

2018

IJET

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Artificial stone has been one of the most common materials in construction for a long time by now. Despite the variety of types of concrete, the composite is in constant motion of development and improvement. The common use of high strength composite is for the construction of high-rise buildings or projects complex in geometry.This article suggests preparing high-strength cementitious composites by complex chemical activation using chemical admixtures in combination with reactive aggregates, as they give good hydration (hardening) of concrete. Research results confirm that this practice of complex chemical activation of cement gives high-strength concrete with better strength, deformation and durability properties.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modern High Strength Concrete with Unique Properties

Soloviova¹,

Soloviov²,

Stepanova³

2018

IJET

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“…The penetration of hydrated compounds as well as the formation of new hydrated compounds in the foundation will provide restoration or improvement of physical-mechanical properties of the foundation [8][9][10][11][12].…”

Section: Methodsmentioning

confidence: 99%

Restoration of damaged geofoundations in transport using highly-effective repair mortar

et al. 2018

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The area of the research is geoconstruction and geostructures in transport. The present study provides modified repair mortars characterized by high penetrating performance, which is important in geoconstruction and transport. Penetrating repair mortars increase compression strength by 1-3 classes, water-resistance by 4-10 atm of the operated concrete geofoundation. Modified repair mortars are of increased crack resistance, they are carbon dioxide and magnesia corrosion resistant material and also they are characterized by high adhesion strength to a concrete geofoundation, which creates a monolithic character of both a restored foundation and a repair geocomposition.

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“… laboratory tests [11,12,13,14,15,16,17,18,19]  finite element modelling (FEM) [13],  discrete element modelling (DEM) and/or 3D particle generation [19,20],  in-situ tests in railway tracks [21].…”

Section: History Of the Researchmentioning

confidence: 99%

Railroad Ballast Particle Breakage with Unique Laboratory Test Method

Fischer

Juhász

2019

Acta Tech Jaur

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This paper demonstrates the results in the research topic of the railway ballast particles’ breakage test with unique laboratory test. The most railway lines in the world have so called traditional superstructure (ballasted tracks). In the past few years there were a lot of railway rehabilitation projects in Hungary, as well as abroad. Nowadays cannot be expected that there is enough quantity of railway ballast in adequate quality, because of the modifications and restrictions in the related regulations in Hungary since 2010. In Hungary there are only a few quarries which are able to ensure adequate railway ballast material for construction and maintenance projects for speed values between 120 and 160 km/h. This may cause supply and quality risk in production of railway ballast. The authors’ research’s main goal is to be able to simulate the stress-strain effect of ballast particles in real and objective way in laboratory conditions as well as in discrete element modelling.

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The Development of a High Performance Material for a Ballast Layer of a Railway Track

Cited by 11 publications

References 7 publications

Modern High Strength Concrete with Unique Properties

Modern High Strength Concrete with Unique Properties

Restoration of damaged geofoundations in transport using highly-effective repair mortar

Railroad Ballast Particle Breakage with Unique Laboratory Test Method

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