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POROUS-MASTIC ASPHALT-CONCRETE MIXTURES AND THEIR UTILIZATION HISTORY

Vestnik MGSU 11/2017 Volume 12
  • Khudokonenko Anton Aleksandrovich - Architectural and Construction Academy of Don State Technical University (ASA DSTU) Master, Architectural and Construction Academy of Don State Technical University (ASA DSTU), 1 Gagarinа square, Rostov-on-Don, 344000, Russian Federation.
  • Chernov Sergey Anatol’evich - Architectural and Construction Academy of Don State Technical University (ASA DSTU) Candidate of Technical Sciences, Associate Professor, Architectural and Construction Academy of Don State Technical University (ASA DSTU), 1 Gagarinа square, Rostov-on-Don, 344000, Russian Federation.

Pages 1284-1288

Subject: a rapid increase in the traffic intensity and freight traffic on motor roads leads to premature destruction of road surfaces. At the same time, the actual service life of asphalt-concrete pavements rarely exceeds 4-5 years and in most cases is only 2-3 years. Most intensively defects and fractures appear on asphalt-concrete pavements in the early spring. Nowadays the overhaul intervals for the road surface coverings are significantly lower than those given by the regulatory requirements. One of the main reasons for this phenomenon is the use of obsolete technologies based on traditional materials whose properties are inadequate to resist stresses and deformations arising in the coating. This is especially evident in the climatic conditions of the south of the European part of Russia, where the upper layers of the roadway experience a much wider range of temperatures. Tighter requirements for the initial road-building materials and timely repair of the coatings allow us to increase the service life of motor roads. Research objectives: the aim of the study is to develop a new type of asphalt-concrete, such as porous-mastic one. Materials and methods: the work was carried out based on observations and published sources, a method of theoretical study and analysis. Results: the domestic and foreign experience of using the given asphalt concrete for the top layer of the coating was considered. The technology of preparation and laying of a porous-mastic asphalt-concrete mixture is presented and its advantages and disadvantages are shown. Conclusions: increasing the longevity of highways is an important and urgent task and it can be solved, in particular, due to the wide use of new technologies and non-traditional building materials that allow us to improve the quality of asphalt-concrete pavement and prolong its overhaul intervals.

DOI: 10.22227/1997-0935.2017.11.1284-1288

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DURABILITY ESTIMATION OF ASPHALT CONCRETE TESTED IN THE CLIMATIC CONDITIONS WITH VARYING HUMIDITY, ULTRAVIOLET RADIATION AND AGGRESSIVE SEA WATER

Vestnik MGSU 6/2016
  • Erofeev Vladimir Trofimovich - Ogarev Mordovia State University (Ogarev MSU) Doctor of Technical Sciences, Professor, chair, Department of Construction Materials and Technologies, Ogarev Mordovia State University (Ogarev MSU), 68 Bolshevistskaya str., Saransk, 430005, Republic of Mordovia, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Likomaskina Mayya Alekseevna - Ogarev Mordovia State University (Ogarev MSU) postgraduate student, Ogarev Mordovia State University (Ogarev MSU), 68 Bolshevistskaya Str., Saransk 430005, Republic of Mordovia, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 63-79

The article studies the effect of ultraviolet radiation, salt fog, variable humidity, and sea water of the Black Sea coast of Krasnodar region near the village of Abrau-Durso on the basic physical and mechanical properties of asphalt: the average density, water saturation, tensile strength at 122 °F, 68 °F and 32 °F, on the waterproofing quality of asphalt concrete. The samples were exhibited on a pier and in the soil on the coast of the Black Sea, in the sea water and in the air 400 m away from the sea. Test specimens were manufactured in accordance with Russian State Standard GOST 12801-98. Test duration was 240 days. It is found out that sea water has a negative effect on the majority of physical and mechanical characteristics of asphalt concrete. The authors found the compositions of asphalt concrete with increased resistance to the influence of climatic factors. Higher resistance is achieved in the case of dense asphaltic concrete ballast.

DOI: 10.22227/1997-0935.2016.6.63-79

References
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INFLUENCE OF POLYMERIC-DISPERSED REINFORCEMENT ADDITIVES ON THE PERFORMANCE CHARACTERISTICS OF ASPHALT CONCRETE

Vestnik MGSU 6/2017 Volume 12
  • Chernov Sergey Anatolevych - Academy of Construction and Architecture, State Don Technical University (DSTU ASA) Candidate of Technical Sciences, Associate Professor of the Auto Roads Department, Academy of Construction and Architecture, State Don Technical University (DSTU ASA), 162 Socialisticheskaya str., Rostov-na-Donu, 344022, Russian Federation.
  • Kaklyugin Alexander Viktorovich - Academy of Construction and Architecture, State Don Technical University (DSTU ASA) Candidate of Technical Sciences, Associate Professor of the Constructional Materials Department, Academy of Construction and Architecture, State Don Technical University (DSTU ASA), 162 Socialisticheskaya str., Rostov-na-Donu, 344022, Russian Federation.
  • Nikitina Anna Nykolaevna - Academy of Construction and Architecture, State Don Technical University (DSTU ASA) Candidate of Economical Sciences, Associate Professor of the Transport and Traffic Management Department, Academy of Construction and Architecture, State Don Technical University (DSTU ASA), 162 Socialisticheskaya str., Rostov-na-Donu, 344022, Russian Federation.
  • Golyubyn Kirill Dmitrievich - Academy of Construction and Architecture, State Don Technical University (DSTU ASA) post-graduate, Auto Roads Department, Academy of Construction and Architecture, State Don Technical University (DSTU ASA), 162 Socialisticheskaya str., Rostov-na-Donu, 344022, Russian Federation.

Pages 654-660

The technique and results of the studies of the influence of a polymeric-dispersed reinforcement additive on the performance characteristics of road hot asphalt concrete, namely, its resistance to fatigue failures, rutting and development of residual deformation are described. It is shown that the proposed method of modification of asphalt-concrete mixtures ensures an increase in the durability of layers of pavement road surface.

DOI: 10.22227/1997-0935.2017.6.654-660

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Design of non-rigid pavements in view of moving vehicles influence

Vestnik MGSU 8/2018 Volume 13
  • Kirillov Andrey M. - Automotive Road College candidate of physical and mathematical sciences, teacher of physics and astronomy, Automotive Road College, 26a/1 Yana Fabritsiusa st., Sochi, Krasnodar region, 354008, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 959-972

Subject: interaction of the moving vehicle with asphalt concrete road pavement. Research objectives: analysis of influence of dynamic loads from the moving vehicle on the road pavement with asphalt concrete. Materials and methods: interaction models are based on the impulse approach (impulse of dynamic loads) and dynamic factor. Results: creation of the mathematical model which is based on the impulse approach and allows us to determine the load on the pavement as a function of vehicle speed. Conclusions: 1) when the speed increases, the force exerted by the moving vehicle on pavement quickly decreases, reaching a minimum at some speed, and then slowly increases; 2) there exists the optimum vehicle speed for the highway exploitation, at which the impact of the force on the road is minimum; it is possible to increase the pavement longevity if this speed for road exploitation is complied with.

DOI: 10.22227/1997-0935.2018.8.959-972

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