10 research outputs found
Numerical modelling of massif zonal structuring around underground working
Purpose. To identify indicators of massif zonal structuring around underground working using numerical modeling techniques.
Methods. Research into massif zonal structuring was performed using finite element method and thermodynamic method by which the size and number of zones formed around development workings and stopes have been simulated.
Findings. The ratio of zonesβ vertical and horizontal semiaxes in the massif has been established and reliability of the obtained results was determined. The prospects of new modeling techniques for the study of massif zonal structuring parameters around underground workings have been identified.
Originality. The opportunities for wide application of numerical simulation methods to study the phenomenon of zonal encapsulation by the massif of underground workings have been revealed.
Practical implications. The sizes and shapes of zones in the massif around workings were determined and requirements were formulated stating that synergetic research methods should allow to more accurately determine the number, size and shape of zones, as well as fading sinusoidal stress and massif strain domains.Π¦Π΅Π»Ρ. ΠΡΡΠ²ΠΈΡΡ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°ΡΡΠΈΠ²Π° Π²ΠΎΠΊΡΡΠ³ ΠΏΠΎΠ΄Π·Π΅ΠΌΠ½ΡΡ
Π²ΡΡΠ°Π±ΠΎΡΠΎΠΊ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΠΈΡΠ»Π΅Π½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ.
ΠΠ΅ΡΠΎΠ΄ΠΈΠΊΠ°. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°ΡΡΠΈΠ²Π° Π²ΡΠΏΠΎΠ»Π½ΡΠ»ΠΎΡΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΊΠΎΠ½Π΅ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² ΠΈ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ, Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΠΊΠΎΡΠΎΡΡΡ
ΡΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½Ρ ΡΠ°Π·ΠΌΠ΅ΡΡ ΠΈ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·ΠΎΠ½, ΡΠΎΡΠΌΠΈΡΡΡΡΠΈΡ
ΡΡ Π²ΠΎΠΊΡΡΠ³ ΠΏΠΎΠ΄Π³ΠΎΡΠΎΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΈ ΠΎΡΠΈΡΡΠ½ΡΡ
Π²ΡΡΠ°Π±ΠΎΡΠΎΠΊ.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΡΠΈΠΊΠ°Π»ΡΠ½ΡΡ
ΠΈ Π³ΠΎΡΠΈΠ·ΠΎΠ½ΡΠ°Π»ΡΠ½ΡΡ
ΠΏΠΎΠ»ΡΠΎΡΠ΅ΠΉ Π·ΠΎΠ½ Π² ΠΌΠ°ΡΡΠΈΠ²Π΅ ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΠΎΡΡΡ ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ
ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ². Π Π°ΡΠΊΡΡΡΡ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ Π½ΠΎΠ²ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π΄Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°ΡΡΠΈΠ²Π° Π²ΠΎΠΊΡΡΠ³ ΠΏΠΎΠ΄Π·Π΅ΠΌΠ½ΡΡ
Π²ΡΡΠ°Π±ΠΎΡΠΎΠΊ.
ΠΠ°ΡΡΠ½Π°Ρ Π½ΠΎΠ²ΠΈΠ·Π½Π°. Π Π°ΡΠΊΡΡΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠΈΡΠΎΠΊΠΎ ΠΏΡΠΈΠΌΠ΅Π½ΡΠ΅ΠΌΡΡ
ΡΠΈΡΠ»Π΅Π½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π΄Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ΅Π½ΠΎΠΌΠ΅Π½Π° Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΠΏΡΡΠ»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ°ΡΡΠΈΠ²ΠΎΠΌ ΠΏΠΎΠ΄Π·Π΅ΠΌΠ½ΡΡ
Π²ΡΡΠ°Π±ΠΎΡΠΎΠΊ.
ΠΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ Π·Π½Π°ΡΠΈΠΌΠΎΡΡΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Ρ ΡΠ°Π·ΠΌΠ΅ΡΡ ΠΈ ΡΠΎΡΠΌΠ° Π·ΠΎΠ½ Π² ΠΌΠ°ΡΡΠΈΠ²Π΅ Π²ΠΎΠΊΡΡΠ³ Π²ΡΡΠ°Π±ΠΎΡΠΎΠΊ ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Ρ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΡ ΠΊ ΡΠΈΠ½Π΅ΡΠ³Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ, Π·Π°ΠΊΠ»ΡΡΠ°ΡΡΠΈΠ΅ΡΡ Π² Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡΡ
Π±ΠΎΠ»Π΅Π΅ ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π°, ΡΠ°Π·ΠΌΠ΅ΡΠΎΠ² ΠΈ ΡΠΎΡΠΌΡ Π·ΠΎΠ½, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΠΈΠ½ΡΡΠΎΠΈΠ΄Π°Π»ΡΠ½ΠΎ-Π·Π°ΡΡΡ
Π°ΡΡΠΈΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ ΠΈ ΠΊΠΎΠ»ΡΡΠ΅Π²ΡΡ
ΠΎΠ±Π»Π°ΡΡΠ΅ΠΉ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΉ ΠΌΠ°ΡΡΠΈΠ²Π°.ΠΠ΅ΡΠ°. ΠΠΈΡΠ²ΠΈΡΠΈ ΠΏΠΎΠΊΠ°Π·Π½ΠΈΠΊΠΈ Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΡΠ²Π°Π½Π½Ρ ΠΌΠ°ΡΠΈΠ²Ρ Π½Π°Π²ΠΊΠΎΠ»ΠΎ ΠΏΡΠ΄Π·Π΅ΠΌΠ½ΠΈΡ
Π²ΠΈΡΠΎΠ±ΠΎΠΊ Π·Π° Π΄ΠΎΠΏΠΎΠΌΠΎΠ³ΠΎΡ ΡΠΈΡΠ΅Π»ΡΠ½ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΡΠ² ΠΌΠΎΠ΄Π΅Π»ΡΠ²Π°Π½Π½Ρ.
ΠΠ΅ΡΠΎΠ΄ΠΈΠΊΠ°. ΠΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΡΠ²Π°Π½Π½Ρ ΠΌΠ°ΡΠΈΠ²Ρ Π²ΠΈΠΊΠΎΠ½ΡΠ²Π°Π»ΠΎΡΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΊΡΠ½ΡΠ΅Π²ΠΈΡ
Π΅Π»Π΅ΠΌΠ΅Π½ΡΡΠ² Ρ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΡΡΠ½ΠΈΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ, Π·Π° Π΄ΠΎΠΏΠΎΠΌΠΎΠ³ΠΎΡ ΡΠΊΠΈΡ
Π·ΠΌΠΎΠ΄Π΅Π»ΡΠΎΠ²Π°Π½Ρ ΡΠΎΠ·ΠΌΡΡΠΈ ΡΠ° ΠΊΡΠ»ΡΠΊΡΡΡΡ Π·ΠΎΠ½, ΡΠΊΡ ΡΠΎΡΠΌΡΡΡΡΡΡ Π½Π°Π²ΠΊΠΎΠ»ΠΎ ΠΏΡΠ΄Π³ΠΎΡΠΎΠ²ΡΠΈΡ
ΠΉ ΠΎΡΠΈΡΠ½ΠΈΡ
Π²ΠΈΡΠΎΠ±ΠΎΠΊ.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΠΈ. ΠΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ Π²ΡΠ΄Π½ΠΎΡΠ΅Π½Π½Ρ Π²Π΅ΡΡΠΈΠΊΠ°Π»ΡΠ½ΠΈΡ
Ρ Π³ΠΎΡΠΈΠ·ΠΎΠ½ΡΠ°Π»ΡΠ½ΠΈΡ
Π½Π°ΠΏΡΠ²Π²ΡΡΠ΅ΠΉ Π·ΠΎΠ½ Ρ ΠΌΠ°ΡΠΈΠ²Ρ ΡΠ° Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π° Π΄ΠΎΡΡΠΎΠ²ΡΡΠ½ΡΡΡΡ ΠΎΡΡΠΈΠΌΠ°Π½ΠΈΡ
ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡΠ². Π ΠΎΠ·ΠΊΡΠΈΡΠΎ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²ΠΈ ΡΡΠ²ΠΎΡΠ΅Π½Π½Ρ Π½ΠΎΠ²ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΡΠ² ΠΌΠΎΠ΄Π΅Π»ΡΠ²Π°Π½Π½Ρ Π΄Π»Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ² Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΡΠ²Π°Π½Π½Ρ ΠΌΠ°ΡΠΈΠ²Ρ Π½Π°Π²ΠΊΠΎΠ»ΠΎ ΠΏΡΠ΄Π·Π΅ΠΌΠ½ΠΈΡ
Π²ΠΈΡΠΎΠ±ΠΎΠΊ.
ΠΠ°ΡΠΊΠΎΠ²Π° Π½ΠΎΠ²ΠΈΠ·Π½Π°. Π ΠΎΠ·ΠΊΡΠΈΡΠΎ ΠΌΠΎΠΆΠ»ΠΈΠ²ΠΎΡΡΡ ΡΠΈΡΠΎΠΊΠΎ Π·Π°ΡΡΠΎΡΠΎΠ²Π°Π½ΠΈΡ
ΡΠΈΡΠ΅Π»ΡΠ½ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΡΠ² ΠΌΠΎΠ΄Π΅Π»ΡΠ²Π°Π½Π½Ρ Π΄Π»Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ ΡΠ΅Π½ΠΎΠΌΠ΅Π½Π° Π·ΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°ΠΏΡΡΠ»ΡΠ²Π°Π½Π½Ρ ΠΌΠ°ΡΠΈΠ²ΠΎΠΌ ΠΏΡΠ΄Π·Π΅ΠΌΠ½ΠΈΡ
Π²ΠΈΡΠΎΠ±ΠΎΠΊ.
ΠΡΠ°ΠΊΡΠΈΡΠ½Π° Π·Π½Π°ΡΠΈΠΌΡΡΡΡ. ΠΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΡΠΎΠ·ΠΌΡΡΠΈ Ρ ΡΠΎΡΠΌΡ Π·ΠΎΠ½ Ρ ΠΌΠ°ΡΠΈΠ²Ρ Π½Π°Π²ΠΊΠΎΠ»ΠΎ Π²ΠΈΡΠΎΠ±ΠΎΠΊ ΡΠ° Π²ΠΈΠ·Π½Π°ΡΠ΅Π½ΠΎ Π²ΠΈΠΌΠΎΠ³ΠΈ Π΄ΠΎ ΡΠΈΠ½Π΅ΡΠ³Π΅ΡΠΈΡΠ½ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΡΠ² Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ, ΡΠΎ ΠΏΠΎΠ»ΡΠ³Π°ΡΡΡ Ρ ΠΌΠΎΠΆΠ»ΠΈΠ²ΠΎΡΡΡ Π±ΡΠ»ΡΡ ΡΠΎΡΠ½ΠΎΠ³ΠΎ Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π½Ρ ΠΊΡΠ»ΡΠΊΠΎΡΡΡ, ΡΠΎΠ·ΠΌΡΡΡΠ² Ρ ΡΠΎΡΠΌΠΈ Π·ΠΎΠ½, Π° ΡΠ°ΠΊΠΎΠΆ ΡΠΈΠ½ΡΡΠΎΡΠ΄Π°Π»ΡΠ½ΠΎ-Π·Π³Π°ΡΠ°ΡΡΠΈΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½Ρ ΡΠ° ΠΊΡΠ»ΡΡΠ΅Π²ΠΈΡ
ΠΎΠ±Π»Π°ΡΡΠ΅ΠΉ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΡΠΉ ΠΌΠ°ΡΠΈΠ²Ρ.ΠΠ° ΠΏΡΠ΅Π΄ΠΎΡΡΠ°Π²Π»Π΅Π½Π½ΡΠ΅ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Ρ ΠΈ ΠΎΠΊΠ°Π·Π°Π½Π½ΡΡ ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΊΡ ΠΏΡΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠΈ ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° Π°Π²ΡΠΎΡΡ Π²ΡΡΠ°ΠΆΠ°ΡΡ Π±Π»Π°Π³ΠΎΠ΄Π°ΡΠ½ΠΎΡΡΡ Π·Π°Π²Π΅Π΄ΡΡΡΠ΅ΠΌΡ ΠΊΠ°ΡΠ΅Π΄ΡΡ ΠΏΠΎΠ΄Π·Π΅ΠΌΠ½ΠΎΠΉ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΏΠΎΠ»Π΅Π·Π½ΡΡ
ΠΈΡΠΊΠΎΠΏΠ°Π΅ΠΌΡΡ
ΠΠΎΡΡΠ΄Π°ΡΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΠΠ£Π βΠΡΠΈΠ²ΠΎΡΠΎΠΆΡΠΊΠΈΠΉ Π½Π°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΠΉ ΡΠ½ΠΈΠ²Π΅ΡΡΠΈΡΠ΅Ρβ Π.Π. ΠΠ°Π»ΠΈΠ½ΠΈΡΠ΅Π½ΠΊΡ
CLINICAL AND EPIDEMIOLOGICAL MANIFESTATION OF HEPATOCELLULAR CARCINOMA IN PATIENTS BELONGING TO ETHNIC GROUPS OF CAUCASIANS AND ASIANS OF NORTH-EAST ASIA
Aim. The current study is aimed at determining differences of epidemiological and clinical profiles associated with HCC in patients belonging to ethnic groups of Asians from Mongolia and Caucasians from Asian region of Russia. Materials and methods. The studies were carried out in the cross-border regions of Mongolia and Asian part of Russia (Irkutsk region). 300 patients with hepatocellular carcinoma (HCC) of the Caucasian and Mongolian races were enrolled in the study. The level of alpha-fetoprotein (AFP) in the serum was determined by the chemiluminescence technique. Results. The long-term dynamics of the HCC incidence shows more unfavourable trends in the territory of Mongolia compared to Irkutsk region. In both groups, male patients over 60 years of age predominated. Patients from Mongolia often have a history of jaundice and alcohol abuse. Out of the etiological factors, HCC is more often associated with the hepatitis B virus in Mongolia than in the Asian part of Russia. At the same time, in Caucasians, HCC develops primarily on the background of liver cirrhosis. In patients with HCC, AFP level higher than 20 ng / ml were significantly more frequent in the ethnic group of Caucasoids than in Mongoloids. Conclusions. Mongolia in terms of the incidence of HCC belongs to the hyperendemic regions of the world. In this country, among the risk factors for the development of the disease, hepatitis B virus plays a major role, which significantly differs from the Asian part of Russia. For the purpose of early diagnosis of HCC, it is necessary to search for new molecular markers or their combinations due to the insufficient diagnostic efficiency of AFP determination