Features of the Design of Steel Frame Structures in India for Seismic Areas

Банников, Д. О.; Radkevich, Anatoliy V.; Никифорова, Н. А.

doi:10.4028/www.scientific.net/msf.968.348

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…Modelling of the bulk material was performed by applying pressure to the inner surface of the bunker structure, which was interpreted as the application of additional masses using a specially developed technology [15]. In addition, some developments in the field of transport, presented in works [16][17][18] and in the field of seismic resistance of building structures according to works [19,20] were used.…”

Section: Methodsmentioning

confidence: 99%

Controlling the dynamic characteristics of steel bunker containers for bulk materials

Bannikov,

Tiutkin,

Hezentsvei

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The article presents the main results of research devoted to the definition and analysis of the dynamic characteristics of steel small-sized bunker containers for storing bulk materials. All studies were carried out using the finite element method with the use computer complex SCAD. The object of research was a bunker of a bypass track for feeding bulk materials with a total volume of up to 70 m3. The study analysed the natural partial frequency spectrum and the partial oscillation modes of individual load-bearing elements of the bunker. Based on the results of the data analysis, a rather high quantitative density of the natural frequency spectrum was determined. At the same time, its lower limit is about 25-30 Hz for an empty bunker capacity and decreases to 3-5 Hz when the bunker is fully loaded, which is dangerous from the point of view of the possibility of resonance phenomena. In order to qualitatively and quantitatively control the dynamic characteristics, it was proposed to change the steel strength of the structure, which made it possible to change the natural frequencies by about 15% for every 100 MPa change in steel strength for the bunker containers of the considered type.

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Section: Methodsmentioning

confidence: 99%

Controlling the dynamic characteristics of steel bunker containers for bulk materials

Bannikov,

Tiutkin,

Hezentsvei

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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“…Також автори в свій час вже звертались до даної проблеми в ході своїх досліджень, а отримані результати представлені в роботах [5][6][7]. При цьому було виявлено, що в сталевих конструкціях наявні певні резерви несучої здатності, що дійсно дозволяє підвищити ефективність її використання в сталевих будівельних конструкціях.…”

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Comparison of efficiency for steel and combined frames

Bannikov,

Nikiforova,

Leontiieva

2023

WICE

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Recently, in the practice of design, customers of design works and investors of various projects have a dilemma regarding the choice of building material for load-bearing building structures. At the same time, the choice is usually limited to two types of materials – steel and reinforced concrete. Each of these materials has its advantages and disadvantages, which results in their different efficiency of application for various types of building structures. At the same time, the main attention is paid to the estimation side, because in modern complex and dynamic conditions, it turns out to be dominant in many cases. The article presents the results of research of the completed master's thesis on the comparative analysis of the effectiveness of steel and combined frames (steel-reinforced concrete) on the example of the filter station building. The building has dimensions in plan of 54 × 36 m with a total height of about 22 m. Its supporting frame is a statically nondefined flat frame consisting of columns and crossbars in the form of trusses. In the longitudinal direction of the building, the frames are united into a spatial system by means of covering structures. The building is craneless and has three floors, each about 6.5 m high. In the course of research, the considered variants of the transverse frame were analyzed using the finite element method on the basis of the LIRA-CAD multifunctional design complex. As a result, appropriate cross-sections for loads according to the climatic conditions of Ukraine were obtained. A comparison of variants showed that the first design variant is 9 % cheaper. Taking into account the additional technological advantages in its manufacture, the steel frame can be considered more effective for the given construction conditions and be recommended for practical implementation. Separately, it should be noted that such a frame also has an average of 5 times less total mass, which should be considered its additional advantage.

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Bearing Steel Structures for Installation of Railway Strain Gauge Scales

Klochko

2024

STP

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Purpose. The main purpose of the publication is to compare the main technical and economic indicators of the two proposed structural variants of the support system for railway strain gauge scales for four-axle wide gauge railcars. This is due to the need to reconstruct and modernize the fixed assets of an industrial enterprise, in particular, to overhaul and replace old railway scales with modern electronic strain gauge scales. Also, the purpose of the work is related to the need to expand the range of railway cars for which the possibility of weighing is provided, including transport units of the foreign car fleet. Methodology. To achieve this goal, we analyzed the modern types of railroad cars for freight transportation, determined the main components of strain gauge scales for weighing the main types of cars, and developed a special support system to support the scale platform. The support system is provided in two design variants - with one spatial support frame and two separate flat support frames. Using the domestic design and computing complex SCAD, we built finite element models for both proposed design options. Based on the analysis of their stress-strain state, rational cross-sections were selected for each structural element, and the total mass was determined. Findings. A comparative analysis of the two developed structural solutions for the support system for modern railway strain gauges has revealed that the variant with two separate bearing frames has a lower weight by about 40 % compared to the variant with one spatial bearing frame. However, the manufacturability of its production is somewhat lower, since it involves 10 structural elements compared to 7 for variant No. 1. Originality. The numerical analysis made it possible to theoretically substantiate a more rational and efficient design solution for the support system for modern railway strain gauge scales. Practical value. A constructive variant of the steel support system has been developed and proposed for practical implementation, which is the most effective in terms of its technical and economic indicators for the existing conditions of an existing industrial enterprise. The developed design option was also coordinated with the project of major reconstruction of the building for weighing railroad cars.

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Features of the Design of Steel Frame Structures in India for Seismic Areas

Cited by 4 publications

References 5 publications

Controlling the dynamic characteristics of steel bunker containers for bulk materials

Controlling the dynamic characteristics of steel bunker containers for bulk materials

Comparison of efficiency for steel and combined frames

Bearing Steel Structures for Installation of Railway Strain Gauge Scales

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