Frost Resistance of the Steel Fiber Reinforced Concrete Containing Active Mineral Additives

Pogorelov, S N; Semenyak, G. S.

doi:10.1016/j.proeng.2016.07.088

Cited by 21 publications

(13 citation statements)

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“…An analysis of literary sources [7,8,9] showed that meeting the requirements on the durability of the cement concrete pavement for a highway can be achieved by a rational selection of its composition. The pavement is significantly affected by loads caused by traffic and climatic conditions.…”

Section: Resultsmentioning

confidence: 99%

“…According to the works [7,8,9], an improvement in the frost resistance of cement concrete can be achieved by introducing an air-entraining additive into its composition, as well as a microsilica suspension filler. An increased resistance to the abrasion of the material is provided by the introduction of fibre material in the concrete.…”

Section: Figure 3 the Location Of The Main Roads Of The Eu Countries mentioning

confidence: 99%

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The use of cement concrete pavements for roads, depending on climatic conditions

Solonenko

2019

Teh. glas. (Online)

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The development of road network infrastructure is an important component of the economic development of the European Union. Updating of the road network contributes to the integration of the economies of countries into a coherent whole. The road network provides the free movement of citizens, the movement of goods and the effective implementation of various services. The increase in the length of the road network leads to an increase in the financial and material costs necessary to ensure its maintenance and repair. One of the ways to reduce costs is by strengthening the physic-mechanical and operational characteristics of the pavement due to the widespread use of cement concrete. The quality of the pavement of cement concrete depends largely on the rational selection of its composition. This allows a significant increase in the durability of road pavement. The purpose of the research was: the development of recommendations for the rational selection of the composition of the road pavement material of cement concrete, aimed at upgrading longevity, and taking into account its frost resistance grade. According to the goal, the following tasks were developed: the analyses of the climatic zones in which the road network of the European Union is located; the development of a research plan, a selection of the response function and influence factors; the study of physico-mechanical and operational characteristics of the researched material of road pavement; on the basis of the obtained data, the calculation of the complex of experimental-statistical models, which describe the physico-mechanical and operational characteristics of the road pavement material; on the basis of experimental statistical models, a method was proposed for selecting the rational compositions of the cement concrete pavement road material depending on the conditions of its application. The results presented in the article can be used in engineering and scientific practice for the selection of road pavement from cement concrete for highways.

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Section: Resultsmentioning

confidence: 99%

Section: Figure 3 the Location Of The Main Roads Of The Eu Countries mentioning

confidence: 99%

The use of cement concrete pavements for roads, depending on climatic conditions

Solonenko

2019

Teh. glas. (Online)

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“…This chemical reaction makes the concrete more corrosion resistive [11,12]. Concretes with fly ash type F bare more resistive to the filtration of water through its volume and to ettringite delayed formation [13,14].…”

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confidence: 99%

Effect of fly ash on frost resistance of SCC

Bakhrakh

Solodov

Ларсен

et al. 2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. The standard determination of frost resistance requires a long period of the test duration, especially for self-compacting concrete characterized by high performance properties. Self-compacting concrete has low water-cement ratio and, as a result, high density, strength and frost resistance, low water permeability and reduced capillary porosity. In this paper is considered a rapid evaluation of frost resistance using the method of dilatometric analysis of the structure. It is based on the dependence of frost resistance of the concrete samples on the characteristics of pore space during only one cycle of freezing and thawing. The dilatometric method is associated with the measurement of deformations of a dry and water-saturated concrete sample caused by the change in temperature, humidity, structure, and also the phase composition of the material. The study of behavior of the concrete under freezing to identify the nature of the occurrence of degradation was conducted. The three-stage water saturation of the concrete samples to determine the content of the different groups of porosity was used. The pore volume of each of the three groups was determined by weighting after each stage of saturation and expressed as a fraction of the volume of concrete. The measurement results of different groups of porosity is: P 1 =5.3%; P 2 = 3.8%; P 3 =2.0%; P t = 11.1%. Frost resistance of concrete is function of porosity (P 2 ) and according to this parameter it can be estimated of 300 cycles.

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“…Сталефибробетон давно известен строителям как конструкционный материал, отличающийся от обычного бетона и железобетона своими улучшенными физико-механическими характеристиками [1,2]. Многие исследователи отмечали его повышенные прочность на растяжение и сжатие, трещиностойкость, ударную вязкость, морозостойкость, сопротивление кавитации [3][4][5]. Применение монолитного сталефибробетона в строительстве и при производстве сборных строительных конструкций позволяет исключить или существенно сократить операции по монтажу арматуры [6].…”

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“…Прочность сталефибробетона (рис. 3) при увеличении количества вводимой стальной фибры объемом до 100 кг/м 3…”

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Researching Abrasion of Steel Fiber Concrete

Киянец¹,

Kiyanets²

2018

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Frost Resistance of the Steel Fiber Reinforced Concrete Containing Active Mineral Additives

Cited by 21 publications

References 1 publication

The use of cement concrete pavements for roads, depending on climatic conditions

The use of cement concrete pavements for roads, depending on climatic conditions

Effect of fly ash on frost resistance of SCC

Researching Abrasion of Steel Fiber Concrete

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