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- ON THE 145TH ANNIVERSARY OF TSNIIPSK named after MELNIKOV
- Erection Of Large-Diameter Tank Domes With Ribbed And Ring Roof Structures
- UDC 620.186.6
doi: 10.33622/0869-7019.2025.11.28-33
Aleksander V. KUZNETSOV1, a.kuznetsov@stako.ru
Larisa V. KRASOTINA1,2, krasotina.larisa@gmail.com
1 Melnikov Central Research and Design Institute of Steel Structures, ul. Krzhizhanovskogo, 21/23, korp. 1, Moscow 117218, Russian Federation
2 Siberian State Automobile and Highway University (SibADI), prospekt Mira, 5, Omsk 644080, Russian Federation
Abstract. Currently, vertical cylindrical isothermal tanks used for storing liquefied petroleum gases, ammonia and other products play a key role in the chemical and petrochemical industries, both in Russia and abroad. Large-volume tanks are in particular demand, which is associated with the development of infrastructure for the production of liquefied petroleum gases, ammonia and the need to reduce tanker filling time when products are shipped to consumers. The article discusses the features of the installation of stationary roofs of vertical cylindrical tanks of large diameter. The practical experience of installing tank roofs was analyzed - step-by-step installation in the design position, used in the case when lifting the entire structure is not possible, as well as pneumatic lifting is impossible. It is shown that for large-diameter tanks, the method of installing tank roofs in the design position using an air lift is preferable, since it has a number of significant advantages over other installation methods. For example, there is no need to use heavy lifting equipment, shorter installation time, minimized metal consumption of temporary supports. In addition, the volume of high-rise work is significantly reduced, which makes this method of constructing roofs of large-diameter vertical steel tanks the most effective.
Keywords: vertical cylindrical steel tanks, isothermal tanks, stationary roofs, finite element model, large diameter tanks, pneumatic lift - REFERENCES
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