Reliability based vulnerability modelling of metal-clad industrial buildings to extreme wind loading for cyclonic regions

Konthesingha, K. M. C.; Stewart, Mark G.; Ryan, Paraic C.; Ginger, John; Henderson, David

doi:10.1016/j.jweia.2015.10.002

Cited by 30 publications

(18 citation statements)

References 24 publications

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“…To achieve the desired "wear-survivability" diagram, we determine the reliability levels by formula (5).…”

Section: Geotechnical and Mining Mechanical Engineering Machine Builmentioning

confidence: 99%

“…When the object reaches an unusable survivability R uns = 36, the wear is more than 60 %. At such a wear rate, repair works of the building are required [5]. Otherwise, the survivability continues to grow and reaches the next critical value R crash = 84, which determines the marginal resource of the surface object under test.…”

Section: Geotechnical and Mining Mechanical Engineering Machine Builmentioning

confidence: 99%

“…It was suggested that improved reliability principles and models could contribute to further development of international standardization of construction [3,4]. The works of K. M. Chaminda Konthesinghaa, Mark G. Stewarta, Paraic Ryana, John Gingerb, David Hendersonb [5] are devoted to the development of a vulnerability model for predicting the probability and damage degree to metal lining of industrial buildings under extreme wind loads. The model uses structural reliability methods to describe the spatial distribution of wind load.…”

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confidence: 99%

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Qualimetric assessment in calculation of the survivability level of the mine surface objects

Brovko¹,

Khvorost²,

Tyshchenko³

2018

SBNMU

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UDC 621.85.01 D. V. Brovko, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0001-9108-3857, V. V. Khvorost, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0002-9205-7797, V. Yu. Tyshchenko, orcid.org/0000-0002-6147-9911 QuAlimeTriC ASSeSSmenT in CAlCulATion of The SurViVABiliTY leVel of The mine SurfACe oBjeCTSPurpose. Development of a qualimetric assessment as one of the methods for determining the technical condition of the structural elements of surface mining objects, which allows for minimum correction in reliability levels and ensures the highest safety standards of the mine facilities.methodology. The methods of expert qualimetry and probabilistic-statistical qualimetry are applied in the study. The former case represents the estimates which are given by experts or automated expert systems, while the latter case uses the methods of probability theory and mathematical statistics for assessing the homogeneity of the identification of the respective values and the coincidence of the distribution laws.findings. The law on condition of the operated facility as a dependency of the building supporting structures on its survivability has been modeled. The threshold values of survivability have been determined, at which the mine surface object passes into a qualitatively different state -from normal to satisfactory, from satisfactory to unusable, and from unusable to emergency.originality. The scientific novelty of the method proposed is an adequate description of the technical condition of the facility structural elements, which takes its place among the new modern experimental studies on materials and structures of the surface objects.Practical value. The qualimetric assessment method allows determining the object survivability at some point, the technical condition and the safe residual resource. The above-mentioned activities have resulted in significant improvements in reliability of the operated facilities, hence, preservation of both tangible assets and lives of an enterprise's employees.

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“…To achieve the desired "wear-survivability" diagram, we determine the reliability levels by formula (5).…”

Section: Geotechnical and Mining Mechanical Engineering Machine Builmentioning

confidence: 99%

Section: Geotechnical and Mining Mechanical Engineering Machine Builmentioning

confidence: 99%

mentioning

confidence: 99%

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Qualimetric assessment in calculation of the survivability level of the mine surface objects

Brovko¹,

Khvorost²,

Tyshchenko³

2018

SBNMU

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“…Ellingwood [72][73][74][75] proposed a series of fragility analysis methodologies for assessing the response of light-frame wood construction exposed to stipulated extreme windstorms and earthquakes. Henderson and Ginger [76,77] proposed a series of vulnerability model for Australian high-set house or metal-clad industrial buildings to extreme wind loading for cyclonic regions. Lee and Rosowsky [78] presents a fragility assessment for roof sheathing in light frame constructions built in high wind regions which considering the influence factor of roof shapes, geographic locations, nail types, and exclosure conditions.…”

Section: Performance Evaluation Of Light Steel Systems Exposed To Winmentioning

confidence: 99%

Damage Analysis and Evaluation of Light Steel Structures Exposed to Wind Hazards

Yang

Bai

2017

Applied Sciences

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Compared to hot-rolled steel structures, cold-formed steel structures are susceptible to extreme winds because of the light weight of the building and its components. Many modern cold-formed steel structures have sustained significant structural damage ranging from loss of cladding to complete collapse in recent cyclones. This article first provides some real damage cases for light steel structures induced by the high winds. After that, the paper reviews research on the damage analysis and evaluation of light steel structures caused by strong winds, which include connection failure, fatigue failure, purlin buckling, and primary frame component instability problems. Moreover, this review will mention some applications of structure damage assessment methods in this area, such as vulnerability analysis and performance-based theory, etc.

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“…Construction, reconstruction and operation of facilities and structures on the surface of the mines belongs to the highest degrees of risk, due to the specifics of work performance (lack of permanent jobs and increased risk of production processes), as well as organizational factors. This requires the improvement of the preventive work to improve safety of construction production on the basis of existing risk assessment methods [4][5][6][7][8][9].…”

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confidence: 99%

System Analysis of the Accident Risk of Surface Mining

Brovko¹,

Khvorost²

2017

CSITA

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Purpose. Making one of the reliability assessment methods of structural elements of objects surface mines as a system of risk analysis of possible defects in the construction of structures and organizational reasons that can lead to an accident, allowing to manage security in the operation. Methodology. Developed the analytical model for determining the accident risk assessment of structures (structural collapse), in which made the diagnostics of the technical state of the object surface mines and found the value of the actual degree of survivability. To determine the risk standard levels an object is represented as a system consisting of connected groups of the same type of bearing elements. During the simulation are considered the main parameters: technical, human and organizational factors, as well as the cost of the work related to improving security. Scientific novelty. The scientific novelty of proposed method is an adequate description of reliability degree of bearing elements of the object surface mines, which will take its place among the new modern experimental studies of the structures of the industrial site. Practical significance. Made the methods for system risk analyses of possible structural defect, which allows to determine the reliability of an object at a particular time and safe residual life. As a result of the proposed measures increased assessment of costs and benefits from implementation of measures to reduce the risk of an accident based on the hazard identification. Developed the final recommendations for the safe operation facilities using the existing regulatory framework on labor protection. Results. Identified three areas of risk like negligible risk, acceptable risk (which is not so small to be ignored, but not large enough to consider it excessive) and unacceptable risk (so large that it is considered excessive). Obtained the model that allows to perform systematic risk analyses of possible structural defects in construction, by comparing with its actual acceptable boun daries. The proposed method can be used in practice to assess the survivability degree and safe residual life of the object.

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Reliability based vulnerability modelling of metal-clad industrial buildings to extreme wind loading for cyclonic regions

Cited by 30 publications

References 24 publications

Qualimetric assessment in calculation of the survivability level of the mine surface objects

Qualimetric assessment in calculation of the survivability level of the mine surface objects

Damage Analysis and Evaluation of Light Steel Structures Exposed to Wind Hazards

System Analysis of the Accident Risk of Surface Mining

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