Organic binders materials (bitumen, modified bitumen, surfactants, emulsifiers and emulsion)
Monitoring the quality of oil road bitumen production of various standard and nonstandard methods; establishing their compliance with quality indicators with regulatory requirements; develop proposals for the rational use of bitumen in different technologies based on their features.
The influence of different classes of modifiers on properties of bitumen and asphalt, including: polymers (thermoelastic, latex, thermoplastic, terpolymer, complex polymers, crumb rubber, epoxy resin) adhesive additives (anionic and cationic surfactants), structuring additives (high- and low-molecular organic compounds, natural bitumen, poppy powder, inorganic compounds), aging inhibitors (antioxidants, plasticizers) and determine the optimal content of additives and technological parameters of preparation and application of modified bitumen.
Research bitumen emulsions (including modified) to determine their suitability for use in a variety of technologies, selection of warehouses and technological parameters of preparation and application.
Providing expert opinions on the quality of bitumen, bitumen emulsions and effectiveness of different modifiers.
Development and implementation of new modifiers, technologies and regulations.
Highly adhesive additive the latest generation of home-3, when the content of 0.3-0.4% provides a strong (excellent) adhesion of bitumen and stone material and so it increases water resistance and prevents the formation of asphalt on roads potholes and pits; for-3 performance at home is not inferior to the best foreign analogues, and the cost is much cheaper for them.
The polymer modifier of bitumen and asphalt Polidom that the direction of close to thermoelastic and are cheaper than foreign analogues.
Introduction of domestic and foreign modifiers.
Setting up the production and introduction of new emulsions Bituminous Emulsion Technology.
The technology of preparation and application of asphalt modified epoxy components (epoksyasfaltu), celebrated 2-3 times more durable, heat, landslide and crack resistance than standard hot asphalt.
Modification of asphalt bitumen natural type Hilsonit. Replacement Hilsonitom (the value of which is close to the cost of bitumen) from 10 to 50% of road bitumen allows a 1.5-2.5 times increase the strength characteristics of asphalt and greatly extend its life; at the close price of asphalt characteristics of Hilsonitom much lower cost polimerasfaltobetonu; Hilsonitu not require the use of fever preparing asphalt and saves up to 20% of the total content of complex binder.
Technology prevent the formation of cracks reflected in the repair of fractured surfaces using special membrane polimerbitumnoyi.
Development of regulations on the application of bitumen modyfikatorvi modified bitumen, bitumen emulsions.
Bituminous (SMA, warehouses)
Bituminous concrete, polimerasfaltobeton, sirkoasfaltobeton, humoasfaltobeton, cold asphalt, reinforced asphalt, husasfalt, SMA
Development and implementation of new technologies using asphalt – searching, testing and introduction of new materials, development and implementation of advanced technologies and highly necessary considering performance, allowing the construction of pavement strengthen and increase its service life.
Selection of optimal compositions and study the properties of macadam-mastic asphalt concrete mixes and stone materials from local and organic binders provided by the customer.
Verification of compliance with the qualitative characteristics asphalt design data, the requirements of existing standards, specifications, building codes and other regulations, as well as the technology of construction, reconstruction, repair and maintenance of roads.
Detection and analysis of the causes of premature destruction of asphalt concrete coatings.
Statistical analysis of organizations and asphalt plants engaged in construction and repair works on the roads.
Scientific support for placement of pavement layers and control quality of work in the process of preparing and placing asphalt mixtures, and after laying on selected core and logging, with coverage.
Control laboratories suppliers of road-building materials and asphalt mixtures, whose products are used in the execution of road works.
Recommendations of the technology manufacturing plants and mixtures investment on the road.
Recommendations for the design and placement of elements of asphalt pavements.
Cement-concrete (additives, warehouses)
Types additives
Plasticizing additives.
Stabilizuyuchyi and water-retaining additives.
Additives that slow or accelerate curing of concrete.
Protymorozni supplements.
Repellent additives, etc.
The introduction of concrete additives allows pidvysyty strength, frost resistance, durability and vodoneprnyknist concrete pavement of roads and concrete structures on them.
Laboratory studies of physical and mechanical properties
Determination of the effectiveness of plasticizing additives.
Determination of efficiency and stabilizing water-retaining additives.
Determination of the effectiveness of additives governing preservation bet. mixture.
Determination of the effectiveness of additives that retard or accelerate curing of concrete.
Determination of efficiency and kolmatuyuchyh vodoredukuyuchyh supplements.
Determination of the effectiveness protymoroznyh supplements.
Determination of the effectiveness of water-repellent additives.
Determination of the corrosion of protymoroznyh additives for concrete.
Selection of concrete with desired properties. WORK:
Selection and characterization of raw materials for concrete.
Calculation of initial dosage formulations with different additives.
Calculation of additional parameters of the concrete structure that is different from those in the original and in most smaller parties (of 5 syllables).
Production of an initial batch of test and additional storage, sampling, testing of concrete mix, sample making and ix tests on all parameters, which are standardized.
Processing of the results to determine the nominal composition.
Laboratory studies of physical and mechanical properties
Definition of mobility concrete mix.
Determination of hardness concrete.
Determining the average density of the concrete mix.
Determination of the porosity of the concrete mix.
Definition rozsharovuvanosti concrete.
Determination of the temperature of the concrete mixture.
Determination of compliance with the properties of the concrete mix.
Determination of compressive strength of concrete for the control samples.
Determination of tensile strength of concrete in bending under control samples.
Determination of tensile strength of concrete by splitting with control samples.
The same non-destructive methods.
Determination of frost first (baseline) method.
Determination of frost acceleration methods.
Definition of medium thickness.
Determination of humidity.
Determination of water absorption.
Definition of indicators porosity.
Determination of water resistance.
Scientific and technological support, research implementation and make recommendations
The main support is inspection, monitoring the technical condition, development of technology and construction solutions, building materials characterization, checking compliance with building codes and technical documentation of individual structures and adoption of constructive solutions, engineering expertise.
During the execution of construction works maintenance includes:
Infotainment help in solving problems of building production.
Monitoring of state structures and engineering equipment in the building.
Testing of individual structural and technological solutions related to the actual conditions of work.
Scientific and technological support, development and recommendations were used in the reconstruction of highways Kyiv – Kharkiv, Kyiv – Odesa, Kyiv – Chop, Kipti – Deaf – bachivsk, the construction of Podolsky bridge in the city. Kyiv and other objects.
Protection against corrosion.
Coating of cement concrete roads and buildings on them that are under load damaged by corrosion due to aggressive environments (eg handling pavement chlorides or a mixture of sand).
This leads to the destruction of pavement, concrete structures of bridges, overpasses, board stone, trays, etc., corrosion of metal structures and road vehicles.
Protection against corrosion damage done by applying protective coatings or corrosion-resistant design of concrete, providing high strength and water resistance of concrete and the introduction of concrete corrosion additives that prevent carbonation and chloride penetration.
Laboratory studies of physical and mechanical properties
The method of quantification of paint adhesion strength to lead.
Method quantify the adhesion of film coatings that are pasted on the strength of the lead.
Determination of coatings to the effects of variable temperatures, high humidity and solar radiation.
Determination of coating brief exposure to sunlight and increase the temperature and humidity.
Determination of coatings to the effects of low temperatures.
Determination of the corrosion resistance of concrete.
Scientific and technological support, research implementation and make recommendations
The main support is inspection, monitoring the technical condition, development of technology and construction solutions, building materials characterization, checking compliance with building codes and technical documentation of individual structures and adoption of constructive solutions, engineering expertise.
During the execution of construction works maintenance includes:
Infotainment help in solving problems of building production.
Monitoring of state structures and engineering equipment in the building.
Testing of individual structural and technological solutions related to the actual conditions of work.
Scientific and technological support, development and recommendations were used in the reconstruction of highways Kyiv – Kharkiv, Kyiv – Odesa, Kyiv – Chop, Kipti – Deaf – bachivsk, the construction of Podolsky bridge in the city. Kyiv and other objects.
Waterproofing
Waterproofing – a body processing special materials, which leads to their hydrophobicity.
It is used to improve weather resistance and durability of cement stone through increased water resistance, himstiykosti.Mozhe be surface or volume Waterproofing concrete.
Laboratory studies of physical and mechanical properties. Assessment repellent effect
Evaluating the effectiveness of on water absorption.
Determination of efficiency by frost.
Determination of efficiency for the Protection of carbonization.
Determination of resistance to hydrochloric acid.
Determination of the efficiency ratio in the clutch.
Determination of the depth impregnation.
Determination of compressive strength of concrete for the control samples.
Determination of frost acceleration methods.
Determination of water resistance.
Scientific and technological support, research implementation and make recommendations
The main support is inspection, monitoring the technical condition, development of technology and construction solutions, building materials characterization, checking compliance with building codes and technical documentation of individual structures and adoption of constructive solutions, engineering expertise.
During the execution of construction works maintenance includes:
Infotainment help in solving problems of building production.
Monitoring of state structures and engineering equipment in the building.
Testing of individual structural and technological solutions related to the actual conditions of work.
Scientific and technological support, development and recommendations were used in the reconstruction of highways Kyiv – Kharkiv, Kyiv – Odesa, Kyiv – Chop, Kipti – Deaf – bachivsk, the construction of Podolsky bridge in the city. Kyiv and other objects.
Assessment of quality of products
Implementation expertise as building materials, providing advice and practical help to industrial research organizations, the certification of products in the “special case.”
Soils and roadbed
Laboratory tests.
Determination of grading.
Determination of filtration.
Determination of humidity.
Determination of liquid limit.
Defining the borders of plasticity.
Determination of density.
Determination of the optimal humidity.
Determination of the maximum density.
Determination of strength and deformability on the device single planar cut in the laboratory.
Stamps soil test.
Determination of prosadochnosti.
Field tests.
Determination of soil compaction base and the roadbed.
Determination of resistance to dynamic soil sensing.
Winter maintenance (antiglaze material composition of the mixture)
Antiglaze materials. Laboratory tests antiglaze material by definition:
organoleptic characteristics (appearance, color, smell);
physical and chemical parameters (grain composition, the mass fraction of dissolved salts, crystallization temperature, humidity, mass fraction of undissolved substances in water, pH value, density);
technological parameters (melting ability, hygroscopic, zlezhuyevalnist);
determining the optimal composition of the mixture of stone material;
determination of physical and mechanical properties and the impact on the road surface.
Impacts on the environment
Laboratory studies antiglaze material and technical and environmental assessment of their use;
Defining standards antiglaze material distribution, taking into account technological and environmental performance;
Site examinations during the winter maintenance of highway adjacent to the territories and laboratory studies of samples of water and soil, which are selected from these areas;
Analysis of the results of laboratory studies and impact assessment antiglaze material on the environment;
Recommendations for use antiglaze materials;
Development of specifications for antiglaze materials.
Stone materials
Laboratory tests
gravel;
sand, crushed stone;
macadam-sand mixtures;
mineral fillers;
Mineral powders;
raw materials for the manufacture stone materials and mineral powders.
Based on laboratory tests may:
results centers providing certification materials;
providing expert opinion on the material;
defining the scope;
development of normative documents and recommendatory nature;
including producers of materials in the register of road-building materials, created in DerzhdorNDI.
Defining the scope
Investigation of the possibility of manufacturing stone materials and mineral powders from raw materials of different origin (basil, basalt, syenite, diabase, limestone, sandstone, quartzite, pegmatite and other natural rocks, waste production, including slag, fly ash and powder, etc. )
Laboratory testing stone materials and mineral powders and their raw materials;
Determination of requirements for stone materials and / or mineral powders;
Evaluate the use of stone material and / or mineral powders in layers pavements;
Development of theoretical and practical application of methods of stone materials of varying strength, the genesis, the form of grains in the layers of road pavements;
Development of theoretical and practical methods of mineral powders of different genesis in layers pavements;
Development Album rational structures pavements;
Scientific support, information and advisory services in the construction and repair of pavements using stone materials with or without binders, including in the construction of test sites;
Scientific support, information and advisory services in the construction and repair of pavements using, mineral powders, including the construction of the experimental plots.
Development (view) documents
National standards, standards of enterprises in the stone materials, mineral powders and their raw materials;
Building regulations on the use of stone materials and mineral powders;