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Civil Engineering Research Centre
Civil Engineering Research Centre
Contacts:
Address: Saulėtekio al. 11, LT-10223 Vilnius
e-mail: crypt:PGEgaHJlZj0ibWFpbHRvOmNpbWNAdmd0dS5sdCIgc3R5bGU9ImxpbmUtaGVpZ2h0OiAxNC4zcHg7Ij5jaW1jQHZndHUubHQ8L2E+:xx
Director
Šarūnas Skuodis
+370676 855 70
crypt:c2FydW5hcy5za3VvZGlzQHZndHUubHQ=:xx
Working time:
Monday – Thursday: 08.00 – 16.45 val.
Friday: 08.00 – 15.30 val.
Lunch break: 11.30 – 12.00 val.
Ordering science services from CERC
Laboratory of Building Constructions
Laboratory tests of reinforced concrete, masonry, steel and timber structures as well as their connections and junctionsbehavior under short term load. The bending tests can be performed for specimens or structures up 15 m long under static and dynamic loads up to 2000 kN. The compression tests can be done for specimens or structures up to 6 m high under up to 10 000 kN static load and for structures or specimens up to 3 m high under dynamic load up to 2000 kN.The processes are automated for loading and deformation mode maintainingas well as for data acquisition and storage. Part of the testing equipment are exclusive and the only in Baltic region.
Laboratory tests of reinforced concrete, masonry, steel and timber structures behavior under long term load. Tests of bended elements by static load up to 200 kN and tests of frustrated elements under compressive long term static load up to 1000 kN. The temperature and humidity conditions requirements are ensured in long term tests room.
Buildingsload-bearing structuressubsistencetests. Bending tests of existing buildings and their junctions by static load; evaluation of actual load bearing capacity and other mechanical properties.
The building structures and materials tests for their behavior under high temperatures.
Durability tests of building structures and materials. Testing up to 3 m length constructions and materials under cyclic freezing-thawing effect and aggressive environment.
Mechanical tests of construction connections and materials.
Testing under static and dynamic compressive, tensile, bending and shear loads. Complex of different power and purpose test machines and measuring instruments, witch enables automatically maintain loading and deformation modes, measure and save test data, is used.
Manufacturing of specimens of reinforced concrete constructions and models. Available equipment allows to produce up to 3,5 x 6,5 m dimensions constructions models using various concrete mix mixing and consolidation modes. Produced models dimensions can be easily changed, normal, pre-stressed or disperse reinforcement can be used.
Reliability analysis of building structures.
Development and testing of composite and layered structures.
Creation and testing of new low energy consuming materials and structures. The new low energy consuming materials and structures are being created for new buildings and renovated buildings with following testing of their physical and mechanical properties. Manufacturing and installation technologyare being developed for new materials and structures.
Theoretical investigation and development of structural composites
Research of the buildings and their structures deterioration and improvement of reconstruction and strengthening methods. The building and their structures investigations are performed for the buildings in use with following evaluation of their bearing capacity. The evaluation, strengthening and reconstruction methods are being developed for buildings and their structures.
Increasing the durability of building constructions and its materials. The protection methods are being developed, investigated and recommendations given for structures exposed to external impacts.
Preparation of the construction regulations and normative documents proposals.
Consultancy activity. The analysis and design methods innovations are presented for reinforced concrete and masonry structures. The analysis, materials properties determination methods are being improved for layered and strengthened structures. The probabilistic and statistical methods are being applied for analysis of building structures.
Mindaugas Petkevičius, Head
Contacts
Phone +370 5 274 5225
Mobile +370 687 45 340
Local phone 9225
Email crypt:PGEgaHJlZj0ibWFpbHRvOm1pbmRhdWdhcy5wZXRrZXZpY2l1c0B2Z3R1Lmx0IiB0aXRsZT0ibWluZGF1Z2FzLnBldGtldmljaXVzQHZndHUubHQiPm1pbmRhdWdhcy5wZXRrZXZpY2l1c0B2Z3R1Lmx0PC9hPg==:xx
Laboratory of Building Materials
Research of concrete properties
Defining characteristics of concrete (produced from dry mix) or concrete products such like rheological, physical and mechanical
Modification of concrete and mortar by variety of plasticisers and nano add-one
Determination of spread characteristics of concrete and mortar production under various strength and exploitation conditions
Identifying the causes of dissociation of building materials
Microscopic and abrasion tests.
Dr Valentin Antonovič, Head
Contacts
Phone +370 5 251 2335
Local phone 9335
Email crypt:PGEgaHJlZj0ibWFpbHRvOnZhbGVudGluLmFudG9ub3ZpY0B2Z3R1Lmx0IiB0aXRsZT0idmFsZW50aW4uYW50b25vdmljQHZndHUubHQiPnZhbGVudGluLmFudG9ub3ZpY0B2Z3R1Lmx0PC9hPg==:xx
Laboratory of Building Energy and Microclimate Systems
Modelling of energy transformers and systems: TRNSYS 17.0 (buildings’ microclimate and energy demand), DESIGN Builder (interaction of construction envelopes, systems, microclimate and energy demand), POLYSUN (for processes in solar energy transformers and their systems); EnergyPro (regional/district energy supply / esp. co(tri)generation), PHPP (auxiliary software for design following Passive house standard), SimaPro (Life-cycle analysis), HEAT2 / HEAT3 (two and three-dimensional non-stationary heat exchange), PHOENICS (computational fluid dynamics).
Energy planning: preparation of plans of DH sector, feasibility studies of settlements’ energy supply. The specialists perform drafting of special plans of DH of the area. The feasibility studies are conducted for settlements’ sustainable energy supply, focusing on the development of the use of renewable energy sources and the reduction of negative environmental impact. All the necessary documentation for the financial support of project implementation is prepared. The scientists cooperate with the Lithuanian real estate developers who establish environment and social-friendly business and plan to build settlements or districts of multi-storey buildings with extended use of renewable sources. The specialists look for the possibilities of long-term cooperation in the following areas: consulting at the design stage for the economically justified solutions, inclusion of the project in EU demonstration activities and good practice programmes, and preparation of applications for the financial support.
Technical feasibility studies of the use of renewable energy sources in buildings. The research covers the use of renewable energy sources, such as the Sun, wind, geothermal energy, biofuel, etc. The analysis of energy demand is conducted in order to form the balance of energy demand and capacity. The specialists perform technical evaluation of the implementation of renewable sources, select the basic technical solutions for the implementation, present economic and environmental evaluation of the suggested alternatives, and search for the financial support for the chosen alternatives (in LT or EU).
Building‘s energy audit by measuring the actual energy parameters. While performing the energy audit the information on the technical condition of building’s envelopes and engineering systems is revealed. The specialists do the calculations of energy normalisation, measure the actual building’s energy parameters (thermovision, the measurement of thermal resistance of walls, windows, and roof, leak detection), create a theoretic building‘s energy model which evaluates the results of actual measurements and is calibrated with actual recorded (historical) energy consumptions in the past, identify energy efficiency measures and evaluate their economic attractiveness by determining the possible energy savings and the need for investments. The specialists can provide information or as researchers take part in projects of the increase of energy performance in buildings (ESCO). Conceptualisation (FP7, IEE), technical and economic evaluation of heat sources and integrated solutions.
Microclimate research of buildings or premises. Measurements of temperature (air, wall surfaces), relative humidity, CO2, air-tightness, illuminance, and noise level are taken. The received results are analysed and the conclusions on the possible problem solving are presented.
Thermovision inspection of the building and analysis of envelopes‘ actual thermal resistance. Thermovision inspection of the building‘s thermal (by photographs) and dynamic (in video format) processes. The condition of building envelopes’ thermal conductivity is identified, the possible construction defects and specific problematic locations are indicated, where the measurements of the actual thermal resistance of the envelopes are performed. The requirements of the repair of defects are formed based on the received data.
Leak detection in buildings or premises. A pressure test is performed in the building or premises. The problematic locations are identified by thermal imaging camera. Air exchange rate in the building or premises is indicated at 50 Pa pressure difference. The received result is used as datum for buildings’ certification.
Analysis of ventilation systems. The measurements of air velocity, pressure in ducts are performed. The received data is used as an auxiliary tool for the combination of ventilation systems.
Experimental research of small capacity heat transformers. The research identifies the seasonal energy effectiveness of small capacity (up to several tens of kW) transformers (i.e. heat exchangers, heat pumps, refrigeration equipment, boilers, etc.), the characteristics of operational regime of the device, the influence of new components or new device modification on the performance of the device. The recommendations how to improve the effectiveness and how to combine the listing and transformation modes are presented.
Legal regulation for building’s energy efficiency. Preparation of legal documents, help to transposit of EU directives’ regulations into Lithuania’s legal framework.
In 2010 January 22 VGTU Building Energetics Department was granted a licence to organise training courses for specialists who intend to perform energy audits for buildings. The participants who follow the auditors’ training courses and pass the exam acquire a certificate.
Planning and selection of solar photovoltaic systems, testing of operation effectiveness of models, DC converters (following IEC62446 standard), adapting to building requirements, other technical consultations.
Assoc Prof Dr Giedrius Šiupšinskas, Head
Contacts
Phone +370 5 274 4718
Local phone 9718
Email crypt:PGEgaHJlZj0ibWFpbHRvOmdpZWRyaXVzLnNpdXBzaW5za2FzQHZndHUubHQiIHRpdGxlPSJnaWVkcml1cy5zaXVwc2luc2thc0B2Z3R1Lmx0Ij5naWVkcml1cy5zaXVwc2luc2thc0B2Z3R1Lmx0PC9hPg==:xx
Laboratory of Road Technologies
Triaxial loading tests of road building materials at different temperatures
Modeling and producing of new asphalt mixtures determining resistance to fatigue, stiffness, and dynamic resistance. In this test, a cylindrical specimen is subjected to a confining stress and a cyclic axial stress, indirectly cyclic load (cylindrical test method).
Cyclic compression of asphalt samples at different temperatures
Modeling of new asphalt mixtures and research of produced asphalt mixtures determining the resistance to fatigue and stiffness when specimens directly compressed by cyclic compression. The tests are performed on compacted bituminous material under a sinusoidal loading or other controlled loading, using different types of specimens and supports (four-point bending beam method). The procedure is used: a) to rank bituminous mixtures on the basis of resistance to fatigue, b) as a guide to relative performance in the pavement, c) to obtain data for estimating the structural behavior of the road, and d) to judge test data according to specifications for bituminous mixtures.
Test of wheel tracking of asphalt mixtures
Asphalt mixtures research of resistance for ruts creating at different temperatures.
Estimation the group composition of bituminous binder
This service is used for research of group composition of bituminous binder: resins, asphaltenes, aromatic and saturated hydrocarbons.
Dr Viktoras Vorobjovas, Head
Contacts
Phone +370 5 251 2359
Mobile +370 640 10 162
Local phone 9359
Email crypt:PGEgaHJlZj0ibWFpbHRvOnZpa3RvcmFzLnZvcm9iam92YXNAdmd0dS5sdCIgdGl0bGU9InZpa3RvcmFzLnZvcm9iam92YXNAdmd0dS5sdCI+dmlrdG9yYXMudm9yb2Jqb3Zhc0B2Z3R1Lmx0PC9hPg==:xx
Laboratory of Environmental Technologies
Electromagnetic fields measurements. Research carried out in the range from 100 kHz to 3 GHz. NBM-550 broadband electromagnetic field meter with the izotopic probe measured parameters of electromagnetic energy flow density, electric field strength, magnetic field strength.
Researches of odour concentration. Researches carried out with dynamic olfactometer in the pollution sources of living environment and the commercial activity.
Odour concentration is measured by setting the dilution factor required to achieve the detection threshold. Concentration is expressed in European odour units ouE/m3.
Researches of sulfur dioxide. Sulphur dioxide (SO2) researches carried out with UV fluorescence analyzer AF22M. The device measuring range - from 1 µg/m3 to 10 mg/m3. Researches carried out in ambient air (ambient air monitoring), the workplace and living environment air.
Researches of carbon monoxide. Carbon monoxide (CO) researches carried out with IR analyzer CO12M. The device measuring range - from 50 µg/m3 to 200 mg/m3. Researches of carbon monoxide carried out in ambient air (ambient air monitoring), the workplace and living environment air.
Researches of ozone. Ozone (O3) researches carried out with UV analyzer O342M. The device measuring range - from 0,4 µg/m3 to 10 mg/m3. Researches of ozone carried out in ambient air (ambient air monitoring), the workplace and living environment air.
Researches of VOC. Measured: benzene, toluene, ethylbenzene, m, p – xylene, o – xylene (BTEX). The device measuring range - from 0,5 µg/m3 to 1000 mg/m3. Researches of BTEX carried out in ambient air (ambient air monitoring), the workplace and living environment air. Also carried out monitoring of industrial sources emitting BTEX.
Thermal processes analysis and measurements of emissions of boilers. Carried out research of pollutant concentrations in emissions of small and large capacity power plants. Portable industrial gas analyzer Testo 350 XL is used in research. Measured parameters are: O2, CO, COlow, NO, NOlow, NO2, SO2, H2S, HC, CO2 (NDIR).
Radon volumetric activity research. Measurement range - from 0 to 10 000 000 Bq/m3.
Organic nitrogen and ammonia nitrogen content determination (Kjeldahl nitrogen). Measurement range - from 0.1 to 200 mg N. Kjeldahl nitrogen determined in liquid samples (surface water, waste water, food, etc.), in solid samples (soil, compost, sewage sludge, food, feed and so on.) and semi-solid samples (raw sewage sludge, food, feed and so on.).
The biochemical oxygen demand (BOD). Research carried out with VELP "Scientific Company BOD sensor system. Measuring range - up to 999 mg/l.
Determination of dissolved oxygen. Research carried out with 0.01 mg/l accuracy at dissolved oxygen levels from 0 to 20.00 mg / l and with 0.1 mg/l accuracy, when the dissolved oxygen content from 0 to 90.0 mg /l. Dissolved oxygen measurements carried out in domestic and industrial wastewater and surface waters.
Laboratory of Field Experimental Research
Natural soil samples collection from different depths, pore pressure measuring, ground water level measuring.
Engineering geological research in any conditions.
Pile integrity testing.
Set for evaluation of soil stiffness and other parameters via geophysical methods.
Static and dynamic cone penetration tests.
Static pile testing (up to 2000 kN for one pile).
Pile dynamic testing.
Soil base stress and deformation analysis.
Soil bearing capacity and reliability analysis.
Experimental soil settlements measuring and numerical soil modeling.
Foundation settlements prognosis and evaluation of neighboring foundation influence.
Cracks in buildings structure analysis (identification and recommendation for crack stabilization).
Soil evaluation which appears of water influence, vibration loading, dynamics analysis and prevention work modeling.
Photos, technical specifications and prices of Laboratory equipment can be found using these links:
- Photo
- Services prices (here are showed orientes prices of services; the price setting by individual negotiations).
Šarūnas Skuodis, Head
Contacts
Phone +370 5 274 5220
Mobile +370 676 85 570
Local phone 9220
Email crypt:PGEgaHJlZj0ibWFpbHRvOnNhcnVuYXMuc2t1b2Rpc0B2Z3R1Lmx0IiB0aXRsZT0ic2FydW5hcy5za3VvZGlzQHZndHUubHQiPnNhcnVuYXMuc2t1b2Rpc0B2Z3R1Lmx0PC9hPg==:xx
Mantas
Katauskas
Engineer,
crypt:PGEgaHJlZj0ibWFpbHRvOm1hbnRhcy5rYXRhdXNrYXNAdmd0dS5sdCIgdGl0bGU9Im1hbnRhcy5rYXRhdXNrYXNAdmd0dS5sdCI+bWFudGFzLmthdGF1c2thc0B2Z3R1Lmx0PC9hPg==:xx
Laboratory of Soil Pchysical and Mechanical Properties
Soil physical and mechanical properties investigation, determination of soil shearing strength parameters using simple, direct and triaxial testing equipment (by static and dynamic load with large and small scale), soil compression rates test with odometer, soil permeability tests (Proctor test), soil conductivity tests, evaluation of granularmetric composition of the soil, other tests.
Microstructural research of the soil.
Photos, technical specifications and prices of Laboratory equipment can be found using these links:
- Photos
- Services prices (here are showed orientes prices of services; the price setting by individual negotiations).
Laboratory of Geodesy
Research of gravity field
- Accurate measurements of gravity acceleration;
- Creation of gravimetric maps and gravimetric networks different accuracy classes.
Research of geomagnetic field
- Creation of geomagnetic field parameter maps;
- Performing the monitoring of geomagnetic field secular variations;
- Astronomic and magnetic azimuth measurements.
Creation of geodesic networks
High-precision GNSS measurements and data processing.
Research of horizontal and vertical deformations and tilts of the building
The newest and most accurate measurement equipment is used for precise geodesic measurements of building deformations research. Performed constant building deformation monitoring, data processing, analysis and forecast are.
Creation of 3D models of objects above-ground
- 3D scanning of various objects (buildings, building complexes, engineering buildings, material masses, territory objects, historical and cultural objects);
- Digital archiving of measured object points, creation of databases, 2D drawings (plans, sections) of measured object and 3D models.
Assoc Prof Dr Romuald Obuchovski, Head
Contacts
Phone +370 5 274 4705
Local phone 9705
Email crypt:PGEgaHJlZj0ibWFpbHRvOnJvbXVhbGQub2J1Y2hvdnNraUB2Z3R1Lmx0IiB0aXRsZT0icm9tdWFsZC5vYnVjaG92c2tpQHZndHUubHQiPnJvbXVhbGQub2J1Y2hvdnNraUB2Z3R1Lmx0PC9hPg==:xx
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