MAIN FEATURES OF FACILITY:
The foundation is designed in the form of a pile field with a high raft foundation of the thickness of 1m. The number of piles is 948 (driven cast-in-situ steel pipes 530/20). To increase the bending length of piles in frozen soils, the unique solution is applied. The fact that the structure will be constructed and operated at low temperatures with an artificial climate was taken into consideration during designing of reinforced concrete structures. Alteration of material properties both at high and low temperatures was taken into account during analysis of special loads. Foundations under conditions of formation of multiannual permafrost rocks (permanently frozen soils) Application of soils thermostabilization system. The structure is designed for action of the following special loads:
  • explosion at a nearby tank
  • product leakage from the inner tank, followed by cryogenic action on reinforced concrete shell
  • fire at a nearby tank
Design of foundations was carried out with scientific support of Research Institute of Bases and Underground Structures named after N.M. Gersevanov (NIIOSP), leading research institute in this sphere.
Structure dimensions:
  • Displacement volume – 160 000m³ of LNG
  • Operating temperature is minus 163°C
  • Diameter – 82m
CLIENT:
VINCI CONSTRUCTION GRANDS PROJETS
PROJECT WORKS:
  • Technical consulting
  • Calculations and design of foundations with consideration for thermostabilization system
  • Development of a program of testing the real piles with subsequent interpretation of the results in order to obtain basic data for analysis on limit states group I and II.
DESIGN PERIOD:
from 2013 until the present day