title: ÐÐµÑÐ°Ð»Ð»Ð¾ÐµÐ¼ÐºÐ¾ÑÑÑ ÑÐ°Ð¼Ð½Ð¾-ÑÐ²ÑÐ·ÐµÐ²ÑÑ ÑÑÐ°Ð»ÑÐ½ÑÑ ÐºÐ°ÑÐºÐ°ÑÐ¾Ð² Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐ°Ð¶Ð½ÑÑ Ð·Ð´Ð°Ð½Ð¸Ð¹ Ð¿ÑÐ¸ Ð·Ð°ÑÐ¸ÑÐµ Ð¾Ñ Ð¿ÑÐ¾Ð³ÑÐµÑÑÐ¸ÑÑÑÑÐµÐ³Ð¾ Ð¾Ð±ÑÑÑÐµÐ½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Metal consumption of frame-bonded steel frames of multi-storey buildings in protection from progressive collapse
Creators: name: ÐÐ°ÑÐ°ÑÑÐº, ÐÐ¸ÑÐ¸Ð»Ð»
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: Ð¿ÑÐ¾Ð³ÑÐµÑÑÐ¸ÑÑÑÑÐµÐµ Ð¾Ð±ÑÑÑÐµÐ½Ð¸Ðµ
Ð¼ÐµÑÐ°Ð»Ð»Ð¾ÐµÐ¼ÐºÐ¾ÑÑÑ
Ð¼Ð¾Ð½ÑÐ°Ð¶Ð½ÑÐµ ÑÑÐ°Ð´Ð¸Ð¸
ÑÑÐ°Ð»ÑÐ½Ð¾Ð¹ ÐºÐ°ÑÐºÐ°Ñ
ÐºÐ²Ð°Ð·Ð¸ÑÑÐ°ÑÐ¸ÑÐµÑÐºÐ¸Ð¹ Ð¼ÐµÑÐ¾Ð´
Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¼ÐµÑÐ¾Ð´
ÐºÐ¾ÑÑÑÐ¸ÑÐ¸ÐµÐ½Ñ Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐ½Ð¾ÑÑÐ¸
Ð²ÑÐµÐ¼Ñ Ð¾ÑÐºÐ°Ð·Ð°
progressive collapse
metal consumption
installation stages
steel frame
quasi-static method
dynamic method
coefficient of dynamism
failure time

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description: The purpose of the dissertation is: assessment of the metal content of a steel frame when calculated within the framework of elastic deformations, without taking into account progressive collapse; assessment of the metal content of the frame when calculated taking into account progressive collapse; comparison of the effect on metal content of calculation methods for progressive collapse (static, quasi-static and dynamic formulation). This study is aimed at determining the calculation algorithm for progressive collapse, according to the current regulatory documents for the three calculation methods, and to assess the impact of these methods on the metal content of the supporting structures of the frame. In this regard, the design model of the building was chosen and the following tasks were solved: 1. Creation of a calculation model of a 20-storey building with a steel frame-braced frame and a monolithic trunk of rigidity. 2. Collection of loads on the frame of a residential building and calculation in an elastic setting, in order to determine the stress-strain state of structures in the pre-emergency period and assessment of metal consumption. 3. Calculation of the frame by the static method according to the methodology set out in SP 385.13258.2018, with the removal of the supporting elements of the frame structure, assessment of metal consumption. 4. Calculation of the frame by the quasi-static method, with the removal of load-bearing elements, assessment of metal consumption. 5. Calculation of the frame, taking into account the dynamics over time with the removal of the supporting elements of the frame structures, assessment of metal consumption. 6. Formation of final conclusions on the impact of accounting for progressive collapse on the metal content of the frame, evaluation of calculation methods. As a result of the work, the metal consumption of the frame was estimated when calculating in an elastic formulation, without taking into account progressive collapse; the metal consumption of the frame when taking into account progressive collapse by three calculation methods given in regulatory documents (static, quasi-static and dynamic). The calculation algorithm was refined using these methods, taking into account its applicability to the steel frame in the Lira CAD 2022R1 PC. The influence of calculation methods on the final metal consumption of building load-bearing structures is estimated. To achieve this goal, methods of structural mechanics and material resistance, the finite element method implemented in the Lira CAD PC and related satellite programs were used in this work. The following information technologies were used in the work, including databases and others: Lira CAD, MathCAD, Crystal, eLIBRARY.ru and others.