Safety net applications in developing countries: Turkey and Iran case study

Çelik, Gözde Tantekin; Aydınlı, Serkan; Bazaati, Siamak

doi:10.31462/jcemi.2021.01012021

Cited by 3 publications

(4 citation statements)

References 21 publications

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“…The research shows that under the impact of nominal protection energy level, E M of flexible protection system is far less than E I , which can ignore in design [21] E I is contributed by the deformation of the energy dissipator, intercepting net, suspended frame, and wire ropes. The deformation of the suspended frame and the wire rope should stay in the elastic stage to ensure the safety of the system, so the energy consumption of these two parts can disregard.…”

Section: Design Methods 41 Energy Matchingmentioning

confidence: 97%

“…Among those, protective nets are used more frequently because of the large area protection characteristics. Çelik [21] studied the application of protective nets in engineering and provided evaluations and suggestions for the shortcomings in the application. Filho [22] compared two fall protection measures used in construction in Brazil and found that protective measures with safety nets are safer.…”

Section: Introductionmentioning

confidence: 99%

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Design Method and Impact Response of Energy-Consuming High-Fall Flexible Protection System for Construction

Liao

Dong³

et al. 2023

Buildings

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High-fall accidents refer to accidents where construction personnel, building materials, and equipment fall from a height, usually resulting in serious casualties and significant economic losses. This paper proposes a high-fall flexible protection system and its design approach with a tensile yield energy-consuming mechanism to solve high-fall accidents. The design approach based on component characteristics that obtained through tests contains energy matching, component internal force balance, and a two-level energy consumption mechanism. Component tests were conducted with mesh bursting tests and energy dissipator static tensile tests to obtain the characteristics of the intercepting net under the flexible boundary condition, and the force-displacement model of the ring-type energy dissipater. Combined with an actual project, we designed a high-fall flexible protection system with a protection energy level of 800 kJ for the core tube of an ultra-high-rise building construction using this method. The impact of dynamic response under multiple cases including the overall fall of the construction formwork was analyzed by dynamical numerical calculation models. The result shows that the system can effectively intercept high-falling objects and exhibit good two-stage energy dissipation characteristics to consume the impact energy. Compared with the protection system without an energy consumption mechanism, the internal force response of the steel wire rope and the suspended frame reduce by about 60%, and the energy consumption capacity increase more than six times. The protection technique proposed in this paper can effectively solve the problem of high-level impact protection such as falling construction formwork equipment, and improve construction safety.

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Section: Design Methods 41 Energy Matchingmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Design Method and Impact Response of Energy-Consuming High-Fall Flexible Protection System for Construction

Liao

Dong³

et al. 2023

Buildings

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show abstract

“…For example, Mhando [33] mentions that inefficient use of personal protective equipment (PPE) is one of the major causes of work-related accidents. In addition, Çelik et al [34] emphasize that the use of safety nets is an effective protective measure for high-rise construction, but there are still problems in testing and labeling safety nets in developing countries such as Turkey and Iran. Kazaz et al [35] further mention that occupational health and safety measures need to be initiated through academic studies and field work in view of the increasing number of work-related accidents.…”

Section: Safety Specific Examples From the Industrymentioning

confidence: 99%

Lean TRIZ method to prevent safety related problems in the construction industry

Demirkesen¹,

Zhang²

2021

JCEMI

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The construction industry needs safer practices due to its complex and fragmented nature. Therefore, making errors visible is essential to the process of error proofing. With the Lean concept, it becomes possible to design out errors and develop ways to prevent errors before they turn into defects. Lean also creates a more productive and effective process when implementing innovative methods such as TRIZ, a problem solving, analysis and forecasting tool. Lean TRIZ is a new approach to improve construction processes while reducing the likelihood of defects. It strongly coincides with the elimination or possible prevention of errors originating from unsafe actions and conditions. Considering the high number of accidents in the construction industry, it is of utmost importance to implement tools and techniques to prevent the probability of such occurrences. Therefore, this study proposes a new method for error prevention with the implementation of the Lean TRIZ method to minimize safety-related problems in construction. Then, real construction problems caused by unsafe practices and conditions are analyzed with the Lean TRIZ method. The main contribution of the study is to introduce the Lean TRIZ concept and analyze the feasibility of applying this method to solve safety problems. In addition, the study provides a guide and encourages construction practitioners to benefit from the solutions provided by this research in the context of Lean TRIZ methodology.

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“…The fact that it is a sector that includes works performed by different organizations and subcontractors, the existence of unskilled labour that is constantly moving, the working conditions vary according to the workplace. It is possible to list the factors such as the change in the workplace, the dispersed and wide working area, the height of the working environment, the natural climatic conditions, the low level of education of the employees [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

The effect of occupational choice on job satisfaction and occupational accidents in the construction sector: A case study on Rize and Çorum in Turkey

Ustabaş¹,

Sarı²,

Fandaklı³

2021

JCEMI

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The construction sector is a sector that employs a significant amount of employees in Turkey and appeals to many branches of work and professions. In Turkey, the construction sector ranks first in the statistics of occupational accidents, with the highest fatality every year. In this study, how the construction workers choose their profession in Turkey, whether they have professional qualification certificates, the relationship between career choice and job satisfaction, and the perceptions of workers in the construction sector about occupational accidents were determined through questionnaires. The questionnaires were applied to 72 construction workers working at four different construction sites. The prepared questionnaires are determined how the construction workers' choice of occupation affected their job satisfaction using a fivepoint Likert scale (strongly disagree, disagree, undecided, agree, strongly agree). The average and standard deviation of the answers given by the construction workers to the questionnaires were found. The relationship between job choice and job satisfaction, between job satisfaction and occupational accident, was determined by correlation analysis. As a result of the study, it has been determined that other people choose a significant portion of the construction workers in Turkey. The job satisfaction of the construction workers who desire a profession is higher. Most of the construction workers working in Turkey perceive work accidents as death or severe injury that will require hospital treatment.

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Safety net applications in developing countries: Turkey and Iran case study

Cited by 3 publications

References 21 publications

Design Method and Impact Response of Energy-Consuming High-Fall Flexible Protection System for Construction

Design Method and Impact Response of Energy-Consuming High-Fall Flexible Protection System for Construction

Lean TRIZ method to prevent safety related problems in the construction industry

The effect of occupational choice on job satisfaction and occupational accidents in the construction sector: A case study on Rize and Çorum in Turkey

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