Pozharovzryvobezopasnost/Fire and Explosion Safety最新文献

{"title":"The comparative evaluation of the criteria used to determine the critical values of the partial density of carbon monoxide as part of the calculation of time to the blocking of escape routes in case of a room fire","authors":"S. Puzach, R. A. Cherepanov, R. Akperov","doi":"10.22227/0869-7493.2022.31.01.6-13","DOIUrl":"https://doi.org/10.22227/0869-7493.2022.31.01.6-13","url":null,"abstract":"Introduction. Critical values of the partial density of gas, the toxic dose or relative mass of carboxyhemoglobin in human blood serve as the criteria determining the time to the blocking of escape routes due to the presence of carbon monoxide. However, the comparative analysis of the effect produced by the selected criterion on the time to the blocking of escape routes due to the presence of this gas has not been conducted yet.Goals and objectives. The purpose of the article is to compare the values of the time to the blocking of escape routes by carbon monoxide obtained using various methods of determining the critical values of the carbon monoxide density. Towards this end, experimental studies on combustion processes of various solid and liquid combustible substances and materials were conducted in a small-scale test unit, and calculations of the time to the blocking of escape routes with carbon monoxide were made on their basis.Theoretical fundamentals. The amount of carbon monoxide, inhaled during a fire, is calculated using experimentally measured partial densities of CO and mathematical models designated for the calculation of the toxic dose of this gas and formation of carboxyhemoglobin in human blood.Results and discussion. Experimental dependencies between the testing time and medium-volume densities of monoxide emitted during the combustion of the “low smoke” PVC cable sheathing, timber (pinewood), chocolate, transformer oil and vegetable oil are presented. The authors obtained theoretical dependencies between the toxic dose and mass concentration of carboxyhemoglobin in human blood, on the one hand, and the time for the combustible materials, analyzed in the article. It has been found that the values of time to the blocking of escape routes due to the presence of carbon monoxide may differ significantly depending on the method used to determine the critical values of the carbon monoxide density.Conclusions. Standard methods, used to calculate the time to the blocking of escape routes due to the presence of carbon monoxide, employ the value of the critical partial density which may involve a substantial overestimation of the above time frame and the underestimation of the toxic effect produced on a person in the process of his/her evacuation. Therefore, it is necessary to apply all methods, discussed in the article, to select the minimum value of the above time frame.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114414578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The assessment of the integrated safety of Russian oil and gas enterprises","authors":"E. Gvozdev","doi":"10.22227/0869-7493.2022.31.01.49-64","DOIUrl":"https://doi.org/10.22227/0869-7493.2022.31.01.49-64","url":null,"abstract":"Introduction. The article addresses the choice of a method used to analyze hierarchies and pairwise comparisons (hereinafter — MAH), that serve as a framework for an integrated corporate safety assessment methodology. Its application ensures the transformation of input information, obtained in the form of a characteristic description of an assessed event, into the resulting assessment that has a weighted numerical value.Goals and objectives. The main purpose of the article is to obtain an assessment result in respect of the actions that are added to industrial and fire safety checklists applied to assure the integrated safety of an enterprise. A selected MAH is used to make pairwise comparisons of factors and alternatives. Values of local and global priorities can be determined for each element under study. Weighted coefficients, obtained in the form of local priorities, are related to the activities being checked, while global priorities are directly related to the services (structural units) that ensure the sustainable integrated security of an enterprise.Methods. The authors provide a rationale for the choice of MAH, which allows itemizing the values demonstrating the intensity of influence of factors and break them down into components. At the stage of synthesizing the obtained analytical results with the help of MAH, the results obtained by expertise must be verified by determining the value of the expert consistency ratio to confirm the adequacy of the obtained result.Results. The probability of influence of analyzed hazards, related to accidents and fires at the enterprises under consideration, was assessed as a function of their causes during the 7-year period under review. The article presents calculated coefficients of communication, impacts and influence made by specialists employed with respective services (structural units) on the industrial and fire safety subsystems that encompassed the integra­ted safety of an enterprise. The results of introducing correction factor g, whose dependence is expressed by final indicators of damage measured in economic (ruble) and social (human) losses, are presented.Discussion. The article focuses on the fact that the sustainable operation of industrial enterprises depends on the reliability margin of integrated corporate safety, the maintenance of which requires particular resources (financial, material resources, as well as the time, needed for the personnel to eliminate any identified deviations, etc.). Given that the resources focused on the integrated safety assurance are limited, they cannot meet all requests made by the heads of services (departments), while highly risky targeted activities need more research.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128880701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On fire safety in rural areas of Russia","authors":"Николай Николаевич Брушлинский, Сергей Викторович, Соколов Маргарита Петровна, Григорьева, N. N. Bruslinskiy, Sergey V. Sokolov, M. P. Grigorieva","doi":"10.22227/0869-7493.2021.30.06.87-96","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.87-96","url":null,"abstract":"Introduction. The article addresses the fire situation in rural areas of the Russian Federation and estimate the number of fire brigades that assure fire safety there. The purpose of the study is to analyze integral fire risks and a composite indicator of the fire hazard in Russia’s rural areas and federal districts. The scope of research is the probability of fire occurrence in the territory of the Russian Federation. The focus of research encompasses values of integral fire risks in rural settlements and a composite rural fire hazard indicator, calculated using these values.Methodology. The theory of integral fire risks serves as the methodological framework for the study.Results and discussion. As a result of the study, it was found that the values of principal integral fire risks in rural areas of Russia are 2–3 times higher than those in urban areas. Similar results are obtained in other countries, in particular, in the United States. Values of the same fire risk are provided for urban and rural areas of the United States.Conclusions. The results obtained in the study can be used to solve problems of fire safety management in rural areas. The objective level of the fire hazard in rural areas of Russian federal districts was identified. It is advisable to conduct a similar study of the fire situation in rural areas of subjects of the Russian Federation.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124606848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An experimental study on flammability characteristics of materials on the premises of buildings of cultural and historical heritage","authors":"T. Eremina, O. Sushkova","doi":"10.22227/0869-7493.2021.30.06.24-38","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.24-38","url":null,"abstract":"Introduction. Many cultural heritage sites have been converted into multifunctional buildings, which preserve original architectural and structural solutions but fail to comply with effective fire safety standards in many instants. In the event of fire, safe evacuation must be organized from the facilities, that may accommodate a large number of people at a time. Experimental studies are needed to identify the flammability characteristics of materials that can affect safe evacuation from cultural heritage premises.Goals and objectives. The co-authors suggest a study on the thermal destruction of historical materials, that have been aging in natural operating conditions. The analysis of gaseous products, emitted in the process of thermal destruction, is performed to identify the influence of ancient materials on formation of hazardous fire factors.Research methods. Experimental studies were carried out to determine the fire hazard indicators for various types of wood, used in the operation of the building, to obtain the reliable initial data, necessary to simulate the dynamics of hazardous fire factors (OFP) when calculating the time to the blocking of escape routes from the Winter Palace.Flammability properties of wood samples was identified with the support of the testing laboratory of the PB Research Centre at IKBS NRU MGSU. The studies, conducted using thermal analysis methods combined with IR spectroscopy, were carried out with the support from the laboratory of the Federal State Budgetary Institution “SEU FPS IPL” in St. Petersburg.Results and discussion. The analysis of the results of experiments on materials, has proven that during the thermal destruction of the test samples, regardless of the age and type of wood, acetic acid is released within a certain temperature interval for each sample along with the release of carbon dioxide, and it affects the parameters of fire hazard characteristics of materials.Conclusions. For the first time in Russia, products of thermal destruction of historical materials have been investigated. The data presented in the article illustrate the need for a further study on gaseous products emitted by historical materials during thermal decomposition. The data obtained by the co-authors can be used to determine the calculated values of the fire risk.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121755783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Application of Markov chains to rank fires and forecast fire development phases","authors":"N. Topolskiy, V. Vilisov, R. S. Khabibulin, B. Pranov, F. V. Demekhin","doi":"10.22227/0869-7493.2021.30.06.39-51","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.39-51","url":null,"abstract":"Introduction. The simulation of fire development and suppression processes must take account of a large number of random factors concerning the fire environment and the resources, available for its putting out. An important feature of the fire development is its step-by-step nature, whereby one phase (stage) is naturally replaced by another as a result of physical combustion processes and decisions made amid certain states of fire. In the practice of modeling multiphase (multistage) processes, such models as decision trees, multistep positional games, random processes, including discrete Markov chains, and others are widely used. Each of these models has its own structure and parameters. The choice of the model structure for a particular application represents a heuristic step. In almost every case, parameters of models are set on the basis of logical inferences, physics, ongoing processes and available statistical data about the simulated phenomenon. This approach is usually referred to as normative. Its alternative is an adaptive approach, whereby model parameters are evaluated using historical data. This approach allows to make models that are sufficiently similar to real objects and capable of adapting to the nonstationary features of the environment and the changeability of the decision maker’s preferences.The relevance of the study lies in the development of a machine learning technology for the Markov models of the fire development process, which allow predicting the completion time of individual phases and the whole fire. The Markov model can also serve as the basis for determining the optimal fire rank.Goals and objectives. The aim of the work is to create and test the technology for designing models that allow to make projections of the fire completion time. The tasks of the model machine learning and its use as a tool for making projections and determining the rank of fire are set in line with this goal.Methods. The authors used methods of the theory of random processes, mathematical statistics, simulation modeling, technical and economic evaluations. The research is based on materials extracted from domestic and foreign publications.Results and discussion. The proposed method, designated for the machine learning of the Markov chains using statistical data on the response time of firefighting and rescue units, coupled with the use of trained models, technical and economic evaluations for assigning optimal fire ranks allow to apply algorithms built on their basis as part of fire safety decision support systems.Conclusions. The presented solutions to the problem of designing adequate models designated for projecting fire development phases and assigning fire ranks serve as the basis for effective decision support systems in terms of the short-term fire safety management.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126612962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On ensuring the safe movement of emergency service vehicles under hazardous driving conditions","authors":"I. Malygin, A. A. Tarantsev","doi":"10.22227/0869-7493.2021.30.06.97-107","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.97-107","url":null,"abstract":"Introduction. The relevance of the study is substantiated by the need for a safe and timely arrival of an emergency service vehicle (firefighters, police, paramedics, gas service teams) to the place of call under the conditions of poor road visibility due to smoke, fog, snowfalls, the night time in the absence of illumination.Ensuring safe movement under the conditions of poor visibility. In case of smoke and insufficient visibility due to wildfires, safe movement is possible, if the air pressure in the cabin is excessive and the driver uses a thermal imager by. When a car is driven under the conditions of fog, a snowfall or the lack of illumination, a thermal imager can also be used. The gas-dynamic analysis of air supply to the cabin and its schemes are provided. The co-authors made a gas-dynamic assessment of the air flow rate if the cabin is not hermetically sealed and the crew stay inside.The car movement in case of floods and damaged roads. The structural layout diagram of an emergency service vehicle designed to move through flooded areas and along damaged roadbeds is provided.Conclusions. The novelty and expediency of the above technical solutions are confirmed by the RF patents. Their implementation will allow emergency services to arrive safely to the place of call, regardless of the road conditions.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127825931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The evaluation of actual fire resistance limits of steel structures exposed to real fire loading","authors":"S. Puzach, T. Eremina, D. Korolchenko","doi":"10.22227/0869-7493.2021.30.06.61-72","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.61-72","url":null,"abstract":"Introduction. The fire resistance limits of load-bearing and enclosing structures can be identified using the method of heat-and-mass transfer calculation in case of fire. The multifactorial nature and nonlinearity of the problem makes the application of this method complicated. If necessary, the temperature regime, demonstrating the conditions of real fire, can be applied. In this work, actual fire resistance limits of metal structures of a thermal power station are calculated.Goals and objectives. The co-authors attempt to identify the actual fire resistance limits of bearing metal structures in case of the most dangerous fire development scenario.Methods. Taking into account the complexity of space-planning solutions of a building, the field-focused calculation method was selected. This method is applicable to premises, featuring complex geometric shape, where one geometric dimension is much larger than the others. Non-stationary three-dimensional differential equations of mass, momentum and energy conservation are solved for the gas medium inside a room (the Reynolds type of Navier–Stokes equations), as well as the components of the gas medium and the optical density of smoke. A heat transfer equation is solved to determine the temperature distribution inside the building structure for a one-dimensional case. The fire resistance limit of the building structure is identified as the moment in time following the start of fire, when the temperature in, at least, one point of the structure reaches a critical value.Results and discussion. Calculation results show that in case of the most dangerous fire development scenario, within 15 minutes as of the start of fire, maximum temperatures of load-bearing metal structures are far below the critical temperature of 500 °C.Conclusions. Load-bearing metal structures in an engine room, that has steam turbines, don’t need fire protection.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130129880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The fire-safe application of acoustic materials in cultural and entertainment buildings","authors":"N. Konstantinova, N. V. Smirnov, A. Zuban, O. Zuban","doi":"10.22227/0869-7493.2021.30.06.13-23","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.13-23","url":null,"abstract":"Introduction. In theatre and concert halls, acoustic environments are created, among other things, by wall and ceiling panels, that have special sound absorption properties. However, modern materials demonstrating the required acoustic properties do not necessarily comply with effective fire safety regulations.Aims and purposes. Modern acoustic panels, made of mineral fibers, are among the most effective ones in terms of sound absorption; they also provide wide opportunities for the high-quality design of auditoriums.Despite the non-combustible basic component, high acoustic performance of such decorative items is attained thanks to a set of supplementary materials that have different chemical compositions, structures, physical and mechanical properties, which, in the aggregate, slightly reduce fire safety.Due to the lack of fire safety requirements applicable to special materials that perform the function of sound absorption, their usability in auditoriums of buildings and structures is confirmed, as a rule, according to the standards that apply to traditional decorative and finishing materials. At the same time, the use of high-performance acoustic materials is problematic due to rather strict fire safety requirements for decorative and finishing materials designated for walls and ceilings.The purpose of this work is to conduct analytical studies on the effective regulatory framework of the fire-safe use of acoustic materials, perform comparative experimental studies on the assessment of their fire-technical characteristics to study the feasibility of drafting proposals on their acceptable use on the premises and in the halls of cultural and entertainment facilities.Results and discussion. Analytical studies were conducted to identify the most effective sound-absorbing finishing materials that feature lower fire hazards. They are mineral wool products made of glass fiber or stone wool. A set of fire hazard indicators, typical for acoustic decorative materials, made of mineral fibers, were subject to comparative experimental studies for the purpose of their legitimate fire-safe use in public auditoriums.The co-authors found that the requirements, applicable to acoustic materials designated for walls and ceilings, can be issued as amendments to effective regulatory and technical documents on fire safety.Conclusions. The co-authors proposed amendments to effective fire safety regulations in respect of the requirements applicable to acoustic materials designated for walls and ceilings of auditoriums.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114529419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Features of assessing the level of fire and explosion safety of tanks before hot works","authors":"V. Nazarov, D. Korolchenko, S. Shvyrkov, M. M. Tangiev, A. Petrov","doi":"10.22227/0869-7493.2021.30.06.52-60","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.52-60","url":null,"abstract":"Introduction. One of the most important stages in the development of fire and explosion safety requirements applicable to the process of design and operation of oil and petroleum products storage facilities is the correct examination of the facts of fires and explosions. Unfortunately, electronic resources don’t always correctly disclose the causes of fires and don’t allow for the correct assessments of the fire safety level. Goals and objectives. The goal of the study is to improve the quality of evaluation of statistical data on fires arising in reservoirs, based on the use of data from various information sources. The compilation of qualification attributes of causes of fires will simplify the fire examination procedure.Methods. Research methods include the analysis of statistical data on fires at hydrocarbon storage, transportation and processing facilities. The work encompasses the computational and analytical assessment of the possibility of formation of combustible concentrations in the gas space of tanks and formation of explosive zones outside technological devices.Results and their discussion. The article addresses features of assessing the fire and explosion safety of tanks by classifying causes of fires at the stage of pre-repair preparation of tanks and hot works. Three principal classification features have been identified: fires that occur during the pre-repair preparation; fires that occur after the fulfillment of regulatory requirements for the pre-repair preparation, and fires caused by major violations of fire safety requirements.Conclusions. To prevent fires, the issue of tank farm design should be elaborated in detail, fire safety measures should be taken during the operation of hydrocarbon storage facilities, maintenance of equipment should be carried out, preventive maintenance should be executed, as well.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126947645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The analysis of the fire resistance limit of an enclosing wall with a wave-resisting visor as the protection for a group of fuel oil tanks","authors":"S. Shvyrkov, Y. Yuryev, A. Petrov, V. Nazarov","doi":"10.22227/0869-7493.2021.30.06.73-86","DOIUrl":"https://doi.org/10.22227/0869-7493.2021.30.06.73-86","url":null,"abstract":"Introduction. An enclosing wall with a wave-resisting visor may be installed to resist the flow of a liquid spill during a tank collapse in accordance with GOST R 53324-2009. This wall should be continuous along the perimeter; it must be made of incombustible materials and have the fire-resistance limit of not less than E 150. As a rule, varieties of heavy concretes are used to construct these walls. However, the actual fire-resistance limit of a structure depends on both its geometric parameters, thermal characteristics and strength properties of concrete used in the case of the long-term exposure to the hydrocarbon fire regime. The work addresses the assessment of the actual fire resistance limit of an enclosing wall with a wave-resisting visor made of heavy concrete designed as the protection for a group of tanks at fuel oil facilities of a thermal power plant.Calculation methodology and results. The calculation of the actual fire resistance limit of an enclosing wall with a wave-resisting visor, designated for a group of fuel oil tanks was performed. The co-authors used the results of studies on the substantiation of a hydrocarbon fire resulting from a flammable liquid spill and a tank failure, empirical dependences for determining the thermal engineering parameters of heavy concrete, as well as experimental data on a change in the compressive strength of concrete at temperatures up to 1,200 °C. The calculation results show that this wall structure can maintain stability for more than 10 hours. Note that the load-bearing capacity of the wall is more than 11 times greater than the bending moment triggered by the standard load. Indeed, the fire resistance of the wall is not less than RE 600. It exceeds the normative values for these types of walls by a factor of four.Conclusions. A common algorithm can be used to calculate the actual fire-resistance limit of enclosing walls of oil and petroleum product tank storage facilities, set by Construction Regulations 468.1325800.2019. At the same time, the results of the above theoretical and experimental studies are recommended for use as the initial data.","PeriodicalId":169739,"journal":{"name":"Pozharovzryvobezopasnost/Fire and Explosion Safety","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128664428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}