Konstantin G. SOBOLEV, Ph.D.

Professional and Work Experience

Expert

CIMSA Cement Production and Trading Corporation

May 1997 to Present Time

As acknowledgment of my research and development project proposal I was selected for supervising of High Performance Cement Based Materials Project been developed by CIMSA Cement Production and Trading Corporation.

The main directions of my project are:

  • Installation of high performance cement technology

    Creation of new types of high performance cements

    Development of ready mix concrete technology

  • The main areas of my activities are the following:

  • Installation and development of high performance cement technology

    Development of eco- cement technology for industrial by-products and waste utilisation

    Development of new products based on high performance cement technology, such as colour cements and dry mixes, alkali - aggregate reaction free cement, super fine cements and grouts, super air entraining and gas generating cements, super rapid hardening cements, polymer modified cements

    Development of high performance ready-mixed concrete

    Investigation of durability of high performance cement based materials

    Providing the industry with software necessary for performance prediction, production of new materials and applying of new processes.

    Providing the advertising activities including conferences, meetings, publications, video- and Internet opportunities

  • To achieve the project targets I supervised the following research:

  • Development and application of computer program for optimal aggregates proportioning

    Computer based examination and optimisation of concrete mixture design

    Investigation of plasticizing/superplasticizing admixtures and silica fume effect on rheology of cement paste, slump and strength behaviour of concrete

    Laboratory production and tests of high performance cement

    Optimisation of sulfate resistant high performance cement composition

    Field tests of high performance cement resistance to chemical attack for application in chemical industry

    Semi- industrial trials of high performance cement technology

  • The main results achieved were the following:

  • Design of computer program for aggregates proportion optimisation Aggregate Inspector (Aggr-Ins)

    Optimisation concrete mixture proportioning and application of plasticizing/superplasticizing admixtures and silica fume allowed to improve performance of ready mix concrete, as well as to save around 10% of cement

    Laboratory tests and optimisation of high performance cement composition provided conditions for semi- and full scale industrial trials of high performance cement technology

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    TUBITAK (Scientific and Technical Research Council of Turkey) - NATO Post-Doctor Fellow

    Middle East Technical University

    September 1996 to May 1997

    TUBITAK - NATO fellowship was given to me for research and development of high performance cement based materials in Middle East Technical University. It was not only a financial support of my investigation program, but the acknowledgment of the actuality of my researches as well.

    The main objective of the investigation program were the following:

  • Selection of admixtures for high performance cement based materials

    Development of high performance cement technology

    High volume mineral admixtures cement

    High- strength natural light weight aggregate mortars and concrete

    Strength properties of high performance cement

    Thermal and acid resistance of high performance cement systems

    Mixture proportioning for gypsum plasters

  • To achieve the research targets I supervised and performed the following experimental works:

  • Investigation of strength behaviour of high performance and high volume fly ash/slag cement

    Investigation of mixture proportioning effect of high- strength natural light weight aggregate mortars and concrete

    Research of workability development, plastic shrinkage and strength behaviour of high- strength natural light weight aggregate mortars and concrete

    Computer modelling of high- strength natural light weight aggregate mortars and concrete

    Optimisation of high performance cement composition for high thermal (up to 700 0C) and acid resistance (30%- HCl)

    Selection of admixtures and composition optimisation for normal and fine gypsum plasters

    Investigation of strength behaviour of normal and fine gypsum plasters

  • The main results achieved were the following:

  • High early strength (up to 40 MPa in 24 hours) and high ultimate compressive strength (up to 140 MPa) of high performance cement based materials

    High content of fly ash or slag (up to 65%) in high volume mineral admixtures cement

    High compressive strength (up to 55 MPa) of high natural light weight aggregate concrete

    High thermal (up to 700 0C) and acid resistance (no destruction at 30%- HCl solution exposure during 9 weeks) of high performance cement

    High strength level (up to 10 MPa) and excellent workability of normal and fine gypsum plasters

    6 articles based on research results were submitted for publication and presentation

  • Adviser

    Association Russian House of International Scientific and Technological Co-operation

    September 1995 to September 1996

    The main duties included consulting, expertise, supervision of laboratory investigations and trials, cement plants feasibility studies, development and promotion of new technologies.

     I supervised the following research projects:

  • Optimisation of composition and investigation of strength behaviour of high performance cement

    Investigation of strength behaviour of high performance cement based mortars

    Development of grout admixture for water proofing and industrial flow application

    Development of technology of materials with low thermal expansion for machine-tool industry

    Development and trials of super thin colour decorative tiles manufacture

    Development and trials of architectural concrete for fine bareliefs and sculptures

    Laboratory- and semi- industrial trials of high performance cement technology 

  • Head of Fine Ground Powder Materials Laboratory and Department

    Institute of Materials Research and Effective Technologies

    April 1994 to September 1995

    The main duties included leadership in research and development of new materials and technologies, design of cement and concrete tiles pilot plants, conducting of feasibility studies. 

    Research Projects Participated:

  • Development of super-fine grinding technology

    Utilisation of wood, cut bank bills, or mineral filler sawdust and thermoplastic polymer waste for manufacturing of high performance super filled materials  

  • Research Projects Supervised:

  • Creation and development of high strength cement technology

    Investigation of rheological behaviour of cement paste modified by polymers

    Development of technology of polymer modified cement based materials with high tensile strength

    Development of technology of alum production waste and industrial gypsum utilisation in cement based materials

    Creation of new technology of materials with low thermal expansion and high thermal resistant for machine-tool industry

    Feasibility studies of high volume fly ash cement manufacturing for energy saving and economical benefits

  • Research Engineer of Chemical Admixtures Laboratory

    Scientific and Research Institute of Concrete and Reinforced Concrete

    March 1990 to April 1994

    The main duties included planning and carrying out of experimental programs, computer model based analysis, and precast and ready mix concrete plants reconstruction design.

    Research Projects Participated:

  • Development of high performance flowing concrete technology

    Preparing of recommendations for High Strength Concrete Standard

    State Research Program PROGRESS IN CONSTRUCTION - 2000

    Development of advanced computer based method for experiment planning and optimisation

    Development of grout admixtures for shotcreet application

    Investigation of ways for utilising of waste of leather treatment and electrolytic waste water in concrete

  •  Research Projects Supervised:

  • Development of high performance concrete with high volume of fly ash or slag (Ph.D.)

    Test method for complex evaluation of rheology and strength characteristics of cement systems by computer modelling (Ph.D.)

    Investigation of ways for rubber catalysts waste utilisation in cement and concrete

    Development of computer models based method of high strength concrete mixture proportioning (Ph.D.)

    Development of super thin colour decorative tiles technology

    Development of abrasion resistant high strength materials technology 

  • Technological- Process Engineer

    Moscow Reinforced Concrete Pipe Plant

    September 1988 to March 1990

    My duties were the following:

  • Technological process control

    Testing of production and raw materials parameters

    Development of technological process Quality Control System

  • In addition, I participated in the following experimental works:

  • Design of effective reinforcement for tubing block elements

    Application of new chemical admixtures for pipes surface treatment

    Installation of technological unit for chemical admixtures preparation and distribution  

  • Research Assistant of Technological Department

    Moscow Civil Engineering Institute

    December 1983 to June 1988

    I was involved in the following experimental works:

  • Development of special method for cement paste Zeta-potential evaluation

    Application of mathematical methods for experiment planning and equation processing

    Optimisation of composition and technology development of Super Light Weight Heat Insulating and Light Weight Fireproofing Materials with controlled structure: carrying out of laboratory tests, computer modelling and technological design.

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