MAIN DEVELOPMENT STAGES OF CONSTRUCTION CONTROL IN ROAD SECTOR OF THE RUSSIAN FEDERATION
Chief Adviser to the Director-General
V.L. Martinson
(FAI «ROSDORNII»),
Chairman of the Technical Committee for Standardization № 418 «Road management», President of «R.O.S. ASPHALT», Ph. D. (Tech.) N.V. Bystrov
Contact information: +7(495)211-07-48; info@rosasfalt.org
Abstract:The article analyzes the main development stages of construction control in road sector, the list and content of the main regulatory legal acts, regulatory and technical documentation on construction control in road industry. The provisions of the documents forming a comprehensive approach to the «construction control» procedure, which should be used by relevant specialists during the construction organization and acceptance of road works, are also reviewed.
Keywords:construction control, input control, operational control, acceptance control, technical supervision, quality assessment, a set of measures for construction control, road sector
SYSTEMATIC APPROACH TO STANDARDIZATION ISSUES IN THE FIELD OF ROAD SECTOR IN THE RUSSIAN FEDERATION
Doctor of Engineering A.A. Domnitskiy
(FAI «ROSDORNII»),
Ph. D. (Tech.) R.V. Kargin
(North-Caucasian branch of the FAI «ROSDORNII»;
Rostov State Transport University (RSTU)),
Ph. D. (Tech.) E.A. Shemshura
(North-Caucasian branch of the
FAI «ROSDORNII»; Platov South-Russian
StatePolytechnic University (NPI))
Contact information: aleshkastyle@gmail.com
Abstract:The article considers the application of the system analysis method to the field of standardization in road sector. The external factors influencing the standardization system are determined, and the aspects and objects of standardization in road sector are established. The directions of further research in terms of the analysis of regulatory documents establishing requirements for roads and road structures that are an integral part of them, in order to identify requirements missed at the intergovernmental and national levels, are determined
Abstract:In order to justify the building up of the future «reference structure» for testing the advanced cyclic loading installation «CYCLOS», the research, analysis and review studies concerning the roads of the European part of the Russian Federation were carried out. 95 constructions of all categories roads in II-V road–climatic zones were analyzed. Reference pavement structures for all road categories are proposed.
Keywords:road, reference structure, road structure, road pavement, road surface, design, road-climatic zone, road category, road pavement thickness, modulus of elasticity, roads of the Russian Federation.
ISSUE OF AMBIGUOUS INTERPRETATION OF THE TERMINOLOGY OF SPECIALIZED LITERATURE AND REGULATORY DOCUMENTS REGARDING THE LIQUIDITY INDEX OF COHESIVE SOILS
Abstract:The fact of terminological confusion in relation to the description of the consistency of clay soils has been established. The examples of confusion of indicators of liquidity IL and consistency IC in normative documents and specialized technical literature are revealed. A precedent for incorrect interpretation of the results of soil tests at a real road construction facility due to incorrect terminology in the text of the code of practice is shown. The proposals for adjusting normative documents have been developed.
Keywords:soil moisture, limit of plasticity, limit of liquidity, clay soils, consistency, consistency index, liquidity index, cohesive soils.
TECHNICAL REQUIREMENTS FOR THE SUBGRADE AND ITS STRUCTURAL ELEMENTS AND METHODS OF THEIR DEFINITIONS IN NEW NATIONAL STANDARDS
General Director D.I. Overin,
Deputy General Director A.N. Simchuk
(«Innovative Technical Center» LLC),
Head of the Laboratory M.Yu. Gorsky
(«NII TSK» ANO)
Contact information: inntehcentr@mail.ru; gorskiy@niitsk.ru
Abstract:The article deals with the main amendments that were introduced into the new national standards relative to the previously existing preliminary national standards, as well as the corresponding sections of SP 78.13330.2012 « Automobile roads». The information on field approbation of test methods according to the new standards is also provided.
Keywords:roads, subgrade, amendments, technical requirements, test methods, deformability indicators.
DEVELOPMENT OF HYDROJET TECHNOLOGIES FOR REPAIRING ROAD AND AIRFIELD RIGID PAVEMENTS
Doctor of Engineering, Professor D.E. Barabash,
Ph. D. (Tech.) A.P. Lapshin,
Ph. D. (Tech.) A.V. Burakov
(«Air Force Academy named after Professor
N.Ye. Zhukovsky and Yu.A. Gagarin»)
Contact information: barabash60170@yandex.ru; schetchik777@mail.ru
Abstract:Over the past few years there has been an increasing need for operational repairs of road and airfield rigid pavements. This is due to the fact that a significant part of the existing rigid pavement roads and airfields located in the regions of Russia with different climate and operating conditions. The article considers the results of research of the hydrojet technologies used for concrete pavement repair of roads and airfields of state aviation.
ASSESSMENT OF REQUIREMENTS FOR ROAD SAFETY BASED ON THE TOTAL RISK ON THE EXAMPLE OF THE CHOICE OF DEDUSTING TECHNOLOGY
Doctor of Engineering, Professor Yu.E. Vasil’ev
(Moscow Automobile and Road Construction
State Technical University (MADI)),
Engineer S.G. Merkushov
(«ZIRAX» LLC),
Deputy General Director
A.N. Kamenskikh,
Doctor of Engineering, Professor
A.V. Kochetkov,
Engineer I.V. Chancev
(FAI «ROSDORNII»)
Contact information: chanceviv@rosdornii.ru
Abstract:The article deals with the results of the expert survey, analysis and calculation of the risk of dominant hazard factors during road operation based on the total risk on the example of the choice of dedusting technology when organizing an industrial experiment on dedusting public roads in the Kuvandyk city district of the Orenburg region. The risk assessment of the unreliability of the expert survey results is done, along with the analysis of the obtained results.
Keywords:risk, risk assessment, risk analysis, dedusting, low volume, dust suppression, maintenance of low volume roads, dedusting compositions based on calcium and magnesium chlorides.
Abstract:The article describes the peculiarities of linear weight measuring devices (sensors) installation in road pavement surfacing and their influence on the strength of rigid and flexible road pavements. The requirements for pavement strength and longitudinal evenness at the sites of automatic points of weight and size control (APWSC (WIM points)) are analyzed. The proposals concerning the normalization of the requirements for road pavements design at the road sections for APWSC location in order to ensure the required accuracy of weighing vehicles in motion and the durability of both the pavement itself and measuring devices in road pavement are made.
Keywords:automatic points of weight and size control (APWSC), WIM-systems, sensor, trench, strength, longitudinal evenness, requirements, road pavement.
ASSESSMENT OF TRANSPORT AND OPERATIONAL CONDITION OF THE HIGH-SPEED TESTING ROAD «AVTOVAZ» JSC
Ph. D. (Tech.) A.F. Ivanov
(Yuri Gagarin State Technical
University of Saratov (SSTU)),
Deputy General Director A.N. Kamenskih
(FAI «ROSDORNII»),
Ph. D. (Tech.) N.S. Semenova
(Yuri Gagarin State Technical
University of Saratov (SSTU)),
Deputy Chief of Scientific Research
Department V.V. Talalai
(Moscow Automobile and Road Construction
State Technical University (MADI),
Ph. D. (Tech.) I.G. Shashkov
(Russian Air Force Military Educational and
Scientific Center «Air Force Academy named
after Professor N.E. Zhukovsky
and Y.A. Gagarin»)
Contact information: alexandr.ivanov.sgtu@rambler.ru; post@rosdornii.ru; n-semenova@yandex.ru; talalay@bk.ru; igoshashkov@yandex.ru
Abstract:The article deals with the results of experimental researches of transport and operational condition of the high-speed testing road before and after the treatment of asphalt concrete pavement with an impregnating composition «Sprut».
ABOUT DETERMINING ACCEPTABLE SLOPE ANGLES OF RUT SIDE WALLS ACCORDING TO THE VEHICLE STABILITY FROM SKIDDING ON A WET ROAD PAVEMENT
Ph. D. (Tech.) N.A. Lushnikov
(Russian University of Transport (RUT (MIIT)),
Ph. D. (Tech.) P.A. Lushnikov,
Engineer D.I. Kovalev
(FAI «ROSDORNII»)
Contact information: lab@rosdornii.ru; P.lushnikov@rosdornii.ru
Abstract:The article considers the case of vehicle movement along a trajectory crossing the rut on a road pavement. Comparison of experimental and calculated values of the magnitude of the skid force arising in this case is given. Based on the allowed values of side force coefficient, according to vehicle stability from skidding on a wet road pavement, the estimation of the limit average slope angles of rut side walls at different values of vehicle speed is given.
Keywords:rutting, average slope angle of rut side wall, side force coefficient, vehicle.
IMPROVEMENT OF PHYSICAL AND MECHANICAL PROPERTIES OF DISPERSIVE SOILS USING COMPLEX ADDITIVES
Doctor of Engineering, Professor V.P. Matua,
Postgraduate student S.A. Karpenko
(Don State Technical University)
Contact information: vpmatua@mail.ru; sk31985@yandex.ru
Abstract:The article deals with the issues of improving physical and mechanical properties of local dispersive hardly suitable soils using modern stabilizing additives and polyphilizers for possible use in base and surface courses of road pavements instead of imported expensive conditioned materials.
Keywords:dispersive soils, additive, polyphilizer, stabilizing additive, physical and mechanical properties of reinforced soils.
Doctor of Engineering, Professor
A.M. Kulizhnikov
(FAI «ROSDORNII»)
Contact information: KulizhnikovAM@rosdornii.ru
Abstract:The results of ground-penetrating radar (GPR) surveys of a road built in karst area in different periods of the year are presented and analyzed. Antenna units with a central frequency of 400, 250 and 150 MHz were used. Based on the results of the survey performed by the GPR «OKO», the conclusions on the effectiveness of performing GPR exploration works in karst area, the feasibility of carrying out a survey in different periods of the year are made; 183 185 the maximum depth of sounding with the determination of voids and decompacted zones is estimated.
APPLICATION OF THERMAL CONTROL METHOD OF FATIGUE DAMAGE IN WELDED SPANS OF ROAD BRIDGES
Ph. D. (Tech.), Associate Professor
L.Yu. Solovyov,
Postgraduate Student V.A. Fedorenko
(Siberian State Transport University (SSTU))
Contact information: lys111@yandex.ru; sky.97@bk.ru
Abstract:The article deals with the application of infrared thermography during surveys and diagnostics of road steel bridges to detect fatigue damages. The results of data analysis of fatigue cracks on the bridges located on federal roads of the Russian Federation are presented. It is reported on the results of successful experience of the application of infrared thermography for the diagnostics of fatigue cracking in road bridges in the field. Based on the least squares methods and self-synchronized thermography, the algorithm for processing thermograms has been developed that allowed to obtain results under random loading. As a result of studying the metal self-heating process at the ends of welded joints in the nodes of operated road bridges under random loading the effectiveness of the infrared thermography method for detecting fatigue damages that were not revealed by visual examination has been proved. The studies have shown the applicability of the infrared thermography method for detecting and assessing the fatigue damage development in welded spans of road bridges under random loads.
Keywords:infrared thermography, fatigue cracks, metal bridges, orthotropic deck, crack development.
ASSESSMENT OF BRIDGE DYNAMIC CHARACTERISTICS WHEN MONITORING IN ACCORDANCE WITH THE REQUIREMENTS OF GOST Р 54859-2011
Ph. D. (Tech.) O.V. Krutikov,
Ph. D. (Tech), Associate Professor
I.Sh. Gershuni
(«Т.К.М.» LLC; Russian University of Transport (MIIT)),
Engineer D.I. Ryzhov
(«Т.К.М.» LLC)
Contact information: info@tkm-most.ru
Abstract:Widely implemented bridge technical condition monitoring systems provide continuous monitoring of the bridge structure performance and its operation conditions. In order to ensure safe operation conditions of the structure, algorithms are needed for conversion of data recorded by the sensors of the system, as well as acquisition of parameters characterizing bridge condition. The article considers the issues of obtaining bridge dynamic characteristics such as frequencies of main forms of natural oscillations and 226 their corresponding logarithmic decrements, in accordance with the requirements of national industry standard GOST R 54859-2011 based on the experimental data obtained during the monitoring of the bridge technical condition.
Using the data accumulated by the monitoring system of a real object, power spectra calculations were performed by the periodogram method using the MathCad mathematical package and with the use of the «SpektrKat» program developed at «T.K.M.» LLC. The acquisition of the dynamic characteristics of the span in a certain frequency range is considered.
Keywords:bridge technical condition monitoring, research monitoring, stress-strain state (SSS), Fourier transform, power spectrum, operational method, natural frequency, oscillation logarithmic decrement, national industry standard GOST Р 54859-2011.
ANALYSIS OF BRIDGE ACCIDENTS AND FAILURES IN THE RUSSIAN FEDERATION
Ph. D. (Tech.) I.Ya. Bogdanov,
Postgraduate V.A. Rudskikh
(Siberian Federal University (SFU))
Contact information: v.rudskikh@yandex.ru
Abstract:The article provides a list of unsafe conditions and failures of bridge structures operated on the roads of the Russian Federation. The reasons and nature of the impacts causing the loss of operational qualities by structures are analyzed. The cause-and-effect link of failures of some structure elements is revealed. The recent methods for assessing unsafe conditions are analyzed. The directions in solving problems to ensure the level of operational reliability and durability of structures are determined.
DEVELOPMENT OF A FUNDAMENTALLY NEW SYSTEM OF CABLE-STAYED ROAD BRIDGES OPERATION
Ph. D. (Tech.) A.V. Syrkov
(«Transmost» JSC),
General Director O.V. Utenkov
(«Space Development» LLC)
Contact information: syrkov_av@transmost.ru; utenkov@spdvt.ru
Abstract:The main results of R&D project on the development of national industry standard GOST R 59629-2021 «Automobile roads of general use. Cable-stayed systems of bridge structures. Operation requirements» are presented. New terms and principles of the new system of operation based on 280 mainly preventive measures envisaged at all stages of life cycle are outlined. The main operational risks of cable-stayed bridge systems are systematized. The measures for the operation preparation at the design and construction stages, the set of measures for monitoring, supervision, maintenance and non-destructive testing, as the main tools for reducing risks, are proposed. The necessity of developing new methods of non-destructive testing, regulatory and methodological documents that supplement the proposed system of cable-stayed bridges operation in order to increase operational reliability is revealed.
Abstract:In the «driver-vehicle-road-environment» system the passive safety mostly depends on the «vehicle-road» chain. If the chain element «vehicle» in terms of passive safety is formed primarily by the manufacturer and maintained by this vehicle user, the «road» since its construction is subjected to many changes when operating. The «vehicle-road» chain has a high degree of uncertainty in the field of passive safety. The assessment of the passive safety of this chain on the basis of the analysis of statistical material relating to the operation of federal public roads in the Far Eastern Federal District of the Russian Federation is considered. The factor of accident consequences severity is taken as an evaluation criterion, and the objective function is «zero mortality», that is, the tendency of the severity factor to zero.
Keywords:road safety, street and road network accident rate, federal public roads, transport and operational road condition, passive safety, road accident severity, severity factor.
IMPLEMENTATION OF INTELLIGENT TRANSPORT SYSTEM ELEMENTS IN TRAFFIC AND LOGISTICS MANAGEMENT DURING MASS CITY EVENTS
Ph. D. (Tech.) O.Yu. Bulatova
(Don State Technical University)
Contact information: mip.rnd@yandex.ru
Abstract:Mass city events are a big challenge for the existing city transport system, since both passenger and service event transport volumes are added to the daily traffic volume. The purpose of this article is to determine the main transport system tasks during mass events, as well as organizational solutions through the implemention of intelligent transport systems (ITS) elements for providing efficient transport services in conditions of additionally generated traffic.
Keywords:intelligent transport systems, transport and logistics systems, transport services, traffic engineering and control, mass city events.
EFFICIENCY ANALYSIS OF USING COMPLEX ACTION ADDITIVE WHEN STRENGTHENING SANDY AND MACROFRAGMENTAL SOILS
Ph. D. (Tech.) A.I. Trautvain,
Ph. D. (Tech.) A.E. Akimov
(Belgorod State Technological University
named after V.G. Shukhov)
Contact information: trautvain@bk.ru; akimov548@gmail.com
Abstract:The article presents the development results of road pavement structural base layers of «Extended-action Winter Snow Road Station Obskaya – km 193 » using the polymer stabilizer «Chimston-1». It has been determined that the stabilizer application is indispensable, since its presence in the system enables to obtain a material that meets the regulatory requirements for frost resistance, as well as ensure reliable 324 operation of the structure in the Far North conditions. The compositions with the «Chimston-1» additive based on crushed sand with the use of cement in a quantity of 7 %, and for crushed-sand mixtures of types C-7 and C-6 – in a quantity of 9 % have shown the maximum efficiency in terms of physical and mechanical characteristics.
Keywords:crushed sand, crushed stone and sand mixture, strengthening, stabilization, road pavement structural layers, «Chimston-1» complex action additive.
PERFORMANCE CHARACTERISTICS OF ASPHALT CONCRETES BASED ON INERT FILLER FROM NON-RECYCLED HOUSEHOLD GLASS WASTE
Ph. D. (Tech.) Yu.G. Borisenko,
Ph. D. (Architecture) А.Т. Maksimenko,
Ph. D. (Tech.) А.А. Soldatov,
Ph. D. (Tech.) S.O. Iashin,
Senior Lecturer S.V. Rudak
(North-Caucasian Federal
University (NCFU)),
Consultant R.M.M. Azan
(Ministry of Public Works and Roads
of the Republic of Yemen)
Contact information: borisenko2005@yandex.ru; rayanazz2014@gmail.com
Abstract:The possibility of using non-selective household glass waste (cullet) in asphalt concrete compositions as an inert filler has been justified. Rational 342 compositions of fine-grained asphalt concrete based on cullet are proposed. The results of experimental studies of the fractional composition and content of cullet influence in asphalt concrete mixture on the performance characteristics of asphalt concrete are presented. It is revealed that according to the main performance characteristics the developed compositions of asphalt concrete based on cullet meet the requirements of the current regulatory documents for road hot dense fine-grained asphalt concrete and can be recommended for using in pavement structures layers.
ASPHALT CONCRETE RECYCLING WITH THE USE OF HOT REGENERATION METHOD
Deputy General Director K.A. Zhdanov
(ANO «NII TSK»),
Leading Specialist A.A. Nikiforov
(«ITC» LLC),
Student A.E. Simchuk
(Moscow Automobile and Road State
Technical University (MADI))
Contact information: niitsk@niitsk.ru
Abstract:The article describes the world implementation experience of the asphalt concrete recycling with the use of hot regeneration method method. Differences are indicated in terms of «Reclaimed asphalt pavement (RAP)» and «asphalt granulate». Laboratory studies of various asphalt concrete mixtures with different contents of reclaimed asphalt pavement (RAP) are described.
Abstract:On May 30, 2022, at the age of 85, Mikhail Iosifovich Sheitsvit died suddenly. A wonderful person, a true intellectual, has passed away.
All labor activity of Mikhail Iosifovich was connected with the construction, reconstruction, repair, monitoring and operation of bridge structures.
The staff of the FAI "ROSDORNII" mourns and experiences the pain of loss in connection with the death of the largest Russian bridge scientist, mentor and colleague.