Abstract
The work is aimed at research of the stress-strain state of a cylindrical shell of a tunnel using the non-linear static analysis and construction stage analysis. Research is carried out on the example of determining the stress-strain state of the tubing (shells) of the main line tunnel, constructed using a tunnel powered complex (slurry shield). Based on obtained results, a comparative analysis of the computational models with the corresponding conclusions is presented.
Highlights
The technology of construction of artificial constructions, as a rule, assumes construction of objects in several stages: installation of the bridge span, installation of tubing of the main line tunnels, etc
It is worth noting that the introduction of computational models capable of changing in time is a necessary step for development of design and building of artificial constructions both on the domestic and the world scales
The authors of the article are aimed at the task of carrying out the comparative analysis of the final stress-strain state of the cylindrical shell of the main line tunnel, constructed using a tunnel powered complex
Summary
The technology of construction of artificial constructions, as a rule, assumes construction of objects in several stages: installation of the bridge span, installation of tubing of the main line tunnels, etc. It is worth noting that the introduction of computational models capable of changing in time is a necessary step for development of design and building of artificial constructions both on the domestic and the world scales. This is due to the fact that the stress-strain state of the computational model can significantly change when taking into account its changes in time. Besides the two computational models, which take or do not take into account changes in time, the third case participated in comparative analysis It takes into account a construction gap between the tunnel shell and the soil environment, whose emergence is caused by use of the slurry shield. It was necessary to give an assessment for need of creation of a computational model taking into account change in time, when determining the stress-strain state of the complex objects constructed in several stages
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