01.08.2019
Views: 618
On July 29, at the invitation of the State Company "Avtodor", employees of the FAA "ROSDORNIA" took part in the work on the assessment of the uniformity of road coverings with georadar installations at the experimental test site of the temporary highway of the fifth launch complex of the Central Ring Highway under construction in the Moscow region.
The joint work was carried out within the framework of a cycle of scientific research conducted by the State Company Avtodor. At the experimental test site, using the PRIMAX 1500 FWD shock loading unit, changes in the strength characteristics of a typical road structure and road structures with various reinforcing layers of geosynthetic materials were monitored. The georadar survey was performed to determine changes in the structure of road structures (the location of weakened zones) and to assess the correlation of these changes with the results of determining the elastic deflection by the shock loading unit, as well as calculations of elastic modulus.
Within the framework of the event, a demonstration and comparative tests were conducted modern domestic and foreign georadar equipment.
The data was recorded by the following systems:
– georadars of the OKO series from the LOGIS company (Russian Federation, Ramenskoye),
– multi-frequency georadar from the company "Geoexpert" (Russia, Belgorod),
– ZOND georadar from the company "Radar and Seismic Systems" (Latvia),
– GPR AKULA-9000 from the company "Geoscanners AB Russia" (Sweden),
– GSSI georadar from the company "Ecoinstument" (USA),
– georadiotomograph from NGO "Terrazond" (Russia, Moscow),
– Ground penetrating radar GROTTO from LLC "TIMER" (Russia, Moscow).
The FAA "ROSDORNII" was presented by employees of the Department of Methods of Designing Highways A.M.Kulizhnikov, R.A.Eremin, A.O.Kuznetsov and M.A.Milavkin, who invited the aforementioned companies and themselves performed work with two-channel and single-channel georadars "OKO-3" with horn and contact antenna blocks with a frequency range from 250 to 2000 MHz.
According to the results of comparative tests, a report will be prepared, which will also be published on the official website of the FAA "ROSDORNIA".
The joint work was carried out within the framework of a cycle of scientific research conducted by the State Company Avtodor. At the experimental test site, using the PRIMAX 1500 FWD shock loading unit, changes in the strength characteristics of a typical road structure and road structures with various reinforcing layers of geosynthetic materials were monitored. The georadar survey was performed to determine changes in the structure of road structures (the location of weakened zones) and to assess the correlation of these changes with the results of determining the elastic deflection by the shock loading unit, as well as calculations of elastic modulus.
Within the framework of the event, a demonstration and comparative tests were conducted modern domestic and foreign georadar equipment.
The data was recorded by the following systems:
– georadars of the OKO series from the LOGIS company (Russian Federation, Ramenskoye),
– multi-frequency georadar from the company "Geoexpert" (Russia, Belgorod),
– ZOND georadar from the company "Radar and Seismic Systems" (Latvia),
– GPR AKULA-9000 from the company "Geoscanners AB Russia" (Sweden),
– GSSI georadar from the company "Ecoinstument" (USA),
– georadiotomograph from NGO "Terrazond" (Russia, Moscow),
– Ground penetrating radar GROTTO from LLC "TIMER" (Russia, Moscow).
The FAA "ROSDORNII" was presented by employees of the Department of Methods of Designing Highways A.M.Kulizhnikov, R.A.Eremin, A.O.Kuznetsov and M.A.Milavkin, who invited the aforementioned companies and themselves performed work with two-channel and single-channel georadars "OKO-3" with horn and contact antenna blocks with a frequency range from 250 to 2000 MHz.
According to the results of comparative tests, a report will be prepared, which will also be published on the official website of the FAA "ROSDORNIA".