Study of the temperature field and the thermo-elastic state of the multilayer soil-steel structure

• Autorzy: Kovalchuk Vitalii , Hnativ Yuriy , Luchko Joseph , Sysyn Mykola

Identyfikatory

DOI

10.7409/rabdim.020.004

Warianty tytułu

PL

Badanie pola temperatury oraz odkształceń i naprężeń termicznych wielowarstwowej konstrukcji gruntowo-stalowej

• Języki publikacji: EN PL

Abstrakty

EN

The technology of renewal of metal corrugated structures allows efficient and economical reconstruction of existing reinforced concrete structures by the method of encapsulation. However, such structures can be exposed to adverse temperature effects that in combination with traffic loadings could influence the operational reliability of the structures. This article deals with the method of evaluation of the stress-strain state of a three-layer cylindrical structure. The technique is based on the thermo-elasticity theory. The study is performed in two steps: determining the temperature field of a structure, and then calculating the temperature stresses and deformations. As a result of calculations, it was established that the level of temperature field and stresses in a three-layer structure caused by the maximum and minimum ambient temperatures can reach a significant level.

PL

Technologia wzmacniania istniejących żelbetowych obiektów inżynierskich elementami z blachy falistej umożliwia ich sprawną i ekonomiczną naprawę. Niemniej jednak, takie konstrukcje mogą być narażone na niekorzystne oddziaływanie temperatury, co w połączeniu z obciążeniem ruchem może wpływać na ich niezawodność. W artykule przedstawiono metodę wyznaczenia stanu naprężeń i odkształceń w trzywarstwowej konstrukcji o przekroju kołowym. Przedstawiona metodologia jest oparta na teorii termosprężystości. Praca została podzielona na dwa etapy: określenie pola temperatury w obrębie konstrukcji, a następnie obliczenie naprężeń termicznych i odkształceń. W wyniku obliczeń ustalono, że wartości pola temperatury oraz naprężeń wywołane w konstrukcji przez wpływ maksymalnych i minimialnych temperatur otoczenia mogą okazać się istotne.

Słowa kluczowe

EN

ambient temperature; defective transport structure; temperature field; three-layer cylindrical structure; stress-strain state

PL

pole temperatury; stan naprężeń i odkształceń; temperatura otoczenia; trzywarstwowa konstrukcja o przekroju kołowym; uszkodzone obiekty inżynierskie

• Wydawca: Instytut Badawczy Dróg i Mostów
• Czasopismo: Roads and Bridges - Drogi i Mosty
• Rocznik: 2020
• Tom: Vol. 19, no. 1
• Strony: 65--78
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Kovalchuk Vitalii

• Dnipro National University of Railway Transport named after academician V. Lazaryan, Department of Rolling Stock and Track, Lviv Branch, I. Blazhkevych Str., 12-a, Lviv, 79052, Ukraine

autor

Hnativ Yuriy

• Dnipro National University of Railway Transport named after academician V. Lazaryan, Department of Rolling Stock and Track, Lviv Branch, I. Blazhkevych Str., 12-a, Lviv, 79052, Ukraine

autor

Luchko Joseph

• Lviv National Agrarian University, Department of Building Constructions, V. Velykoho Str., Dublyany, Zhovkivskyy r-n, Lvivska obl., 80381, Ukraine

autor

Sysyn Mykola

• Technical University of Dresden, Institute of Railway Systems and Public Transport, Hettnerstraße 2, 01069 Dresden, Germany

Bibliografia

• 1. Machelski C.: Steel plate curvatures of soil-steel structure during construction and exploatition. Roads and Bridges - Drogi i Mosty, 15, 3, 2016, 207-220, DOI: 10.7409/rabdim.016.013
• 2. Machelski C., Janusz L., Czerepak A.: Estimation of stress level in the corrugated soil-steel structure based on deformations in the crown. Journal of Traffic and Transportation Engineering, 4, 2016, 186-193, DOI: 10.17265/2328-2142/2016.04.002
• 3. Machelski C., Mumot M.: Corrugated shell displacements during the passage of a vehicle along a soil-steel structure. Studia Geotechnika et Mechanica, 38, 4, 2016, 29-36, DOI: 10.1515/sgem-2016-0028
• 4. Maleska T., Bęben D.: The efect of mine induced tremors on seismic response of soil-steel bridges. 3rd Scientific Conference Environmental Challenges in Civil Engineering (ECCE 2018), Les Ulis, France, MATEC Web of Conferences, 174, 04002, 2018, 1-10, DOI: 10.1051/matecconf/201817404002
• 5. Kovalchuk V., Markul R., Pentsak A., Parneta B., Gajda O., Braichenko S.: Study of the stressstrain state in defective railway reinforcedconcrete pipes restored with corrugated metal structures. Eastern-European Journal of Enterprise Technologies, 89, 5/1, 2017, 37-44, DOI: 10.15587/1729-4061.2017.109611
• 6. Sobotka M., Machelski C.: Hysteretic live load effect in soil-steel structure. Engineering Transactions, 64, 4, 2016, 493-499
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).