Abstract
The implementation of spatial foundation platforms on permafrost soils is justified in this paper. The stress-strain state of the spatial foundation platform under the building of a lens-shaped structure at different heights of the ventilated space is investigated. The structural solution of the spatial foundation platform is made in the form of a plate-and-rod structure. The calculation is carried out using the SCAD software package. The parameters of the rods and nodal joints of the spatial foundation platform are determined. With the help of the COMSOL Multiphysics software package, temperatures are investigated throughout the year in the central part of the platform under its lower belt.
Highlights
The modern policy of the Russian Federation is aimed at the development of the Arctic regions
Taking into account cryogenic permafrost processes and predicted global warming, it is important to develop foundation structures that ensure the stability of the building during the degradation of permafrost [1]
Precast concrete is difficult to transport, and monolithic reinforced concrete significantly slows down the construction process
Summary
The modern policy of the Russian Federation is aimed at the development of the Arctic regions. Timber possesses a small coefficient of thermal conductivity, which significantly increases the energy efficiency of the structure as a whole Such material can reduce heat transfer from the structure to the base, which is important in the operation of the building on permafrost soils, built on the first principle. 2. Numerical research The authors have calculated the spatial foundation platform made of timber elements for the building of a lens-shaped form (figure 3). The structural solution of the spatial foundation platform is made in the form of a plate-and-rod structure. The spatial foundation platform in the form of the plate-and-rod structure is designed from timber plates with 3×3 m dimensions, made of cross-glued layers of lamellas (CLT), forming the upper and lower construction belts [9]. Depending on the height of the ventilated space, the number of nodal connections per plate and the angle of inclination of the rods are changed
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