РАЗРАБОТКА НАДЕЖНОЙ ПРЕДНАПРЯЖЕННОЙ КОНСТРУКЦИИ ФУНДАМЕНТА РЕЗЕРВУАРА ДЛЯ НЕФТИ И НЕФТЕПРОДУКТОВ В СЛОЖНЫХ ИНЖЕНЕРНО - ГЕОЛОГИЧЕСКИХ УСЛОВИЯХ

Abstract

The article is devoted to the justification of the use of shape memory alloys (SMA) as reinforcement for foundations under the oil and gas tanks, constructed in difficult engineering-geological conditions of the Far North. In particular, under the action of an aggressive environment. Prospects of development of oil and gas regions of the Tyumen Region and the Yamalo-Nenets region north of Sakhalin Island will necessitate the construction of reservoirs on permafrost, which in turn will require new designs for tank foundations, and the use of durable materials. Practice of the tank structure shows that the design and construction of reservoirs in complex geological and climatic conditions, it is necessary to solve important tasks aimed at ensuring the stability of the base under the action of the operating loads on the tank, and to prevent their destruction and reduction of non-uniform sediment. Attempts to solve these problems through the use of the foundations of traditional structures of reinforced steel bars, including the ring, and the pile of plate, did not lead to the desired results. Therefore, improvement of existing structures and the development of new types of bases and foundations that meet all the requirements of a safe and trouble-free operation in difficult engineering-geological environments is now the urgent task. The aim of this work is to improve the efficiency study of reservoirs operation through the introduction of new solutions to create designs prestressing reinforcement of concrete foundations of the SPF. As the SPF is considered titanium nickel alloy having high corrosion resistance. The work carried out engineering calculation model element of the concrete structure in the form of a prism, a reinforced rod of NiTi. Estimated study and analytical results are given in terms of technical mechanics and modern ideas about the properties of SMA. Given the numerical criteria for the selection of the number of fittings of nickel-titanium to create the desired prestressing in the concrete on the amount of deformation due to the shape memory effect and the reported reinforcement by pre-thermomechanical effects.