Open Journal of Safety Science and Technology最新文献

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Investigation of the Availability of Occupational Health and Safety Related Documents on the Construction Sites in Windhoek, Namibia 对纳米比亚温得和克建筑工地职业健康和安全相关文件可得性的调查
Open Journal of Safety Science and Technology Pub Date : 2018-03-08 DOI: 10.4236/OJSST.2018.81001
Emma Maano Nghitanwa
{"title":"Investigation of the Availability of Occupational Health and Safety Related Documents on the Construction Sites in Windhoek, Namibia","authors":"Emma Maano Nghitanwa","doi":"10.4236/OJSST.2018.81001","DOIUrl":"https://doi.org/10.4236/OJSST.2018.81001","url":null,"abstract":"Background: Construction industry is regarded as dangerous industry with more occupational injuries and accidents. Documents related to Occupational Health and Safety (OHS) should be utilised and kept in the construction sites to show that the construction sites are applying to national and international OHS legislation requirements. Objective: To review the documents to determine the presence of OHS related documents utilized on the construction sites in OHS provision. Methods: A quantitative, descriptive study was conducted among ten construction sites in Windhoek, Namibia to investigate the availability of OHS related documents in the study sites. Data were collected with the document review checklist. Data were analysed using SPSS software program. Results: The study found that many construction sites did not have OHS related documents which show poor compliance towards OHS national and international legislation requirement in OHS provision. Conclusion: The study concluded that absence of OHS related documents on the construction sites is negatively affecting the implementation of OHS on the construction sites It was recommended that employers should ensure that OHS program is developed at workplaces and OHS related documents should be available for utilization in all workplaces according to the legislative requirements.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124927029","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}
引用次数: 0
To Determine Dose Response Curves of Dyed Polyvinyl Alcohol Films Irradiated with Gamma-Rays 用γ射线辐照染色聚乙烯醇膜的剂量响应曲线测定
Open Journal of Safety Science and Technology Pub Date : 2018-03-08 DOI: 10.4236/OJSST.2018.81002
V. Anh, T. D. Nghiep, T. Giáp
{"title":"To Determine Dose Response Curves of Dyed Polyvinyl Alcohol Films Irradiated with Gamma-Rays","authors":"V. Anh, T. D. Nghiep, T. Giáp","doi":"10.4236/OJSST.2018.81002","DOIUrl":"https://doi.org/10.4236/OJSST.2018.81002","url":null,"abstract":"The Polyvinyl Alcohol (PVA) films dyed with different colors such as methylene blue (MB), methyl orange (MO), methyl red (MR) and crystal violet (CV) were investigated. The dyed PVA films were irradiated by with Co60 γ-source in dose range of 1 - 150 kGy. The optical density change in these films at pre and post irradiation was studied by spectrophotometer. The gamma dose response curves of the dyed PVA films were described by saturated exponential function of the energy transfer model with high correlative coefficient. The color sensitivities on the dyed PVA films irradiated by source were different. The PVA films dyed with MB had the highest sensitivity.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130027038","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}
引用次数: 4
Resilience Engineering: An Integrative Review of Fundamental Concepts and Directions for Future Research in Safety Management 弹性工程:安全管理基本概念与未来研究方向的综合综述
Open Journal of Safety Science and Technology Pub Date : 2017-12-31 DOI: 10.4236/ojsst.2017.74012
M. Pillay
{"title":"Resilience Engineering: An Integrative Review of Fundamental Concepts and Directions for Future Research in Safety Management","authors":"M. Pillay","doi":"10.4236/ojsst.2017.74012","DOIUrl":"https://doi.org/10.4236/ojsst.2017.74012","url":null,"abstract":"This paper reviews the literature on resilience engineering as a safety management approach. Preferred Reporting Items for Reporting Systematic Reviews guidelines were used to search, select and evaluate 46 published works. The terms organisational resilience and resilience engineering are clarified, and functionalist and interpretive research frameworks used to analyze articles. This review suggests there is no universally agreed definition of resilience engineering; but it involves a collective aspect, is multifactorial, multilevel and multidimensional; associated with four key principles (anticipation, response, learning and monitoring) and successful outcomes. The gap between work as imagined and work as performed is an important aspect. Studies on resilience engineering have predominantly involved qualitative investigations; with data collected through site observations, safety audits and surveys. Eight research gaps were identified, and suggestions made on how these gaps can be addressed through empirical research.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122152038","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}
引用次数: 22
Effect of Gravity on Flame Structure of Small-Scale Pool Fires 重力对小型池火火焰结构的影响
Open Journal of Safety Science and Technology Pub Date : 2017-08-09 DOI: 10.4236/OJSST.2017.73009
R. Takahashi, H. Torikai, A. Ito
{"title":"Effect of Gravity on Flame Structure of Small-Scale Pool Fires","authors":"R. Takahashi, H. Torikai, A. Ito","doi":"10.4236/OJSST.2017.73009","DOIUrl":"https://doi.org/10.4236/OJSST.2017.73009","url":null,"abstract":"The height of the pool fire depends on the amount of heat feedback from the flame to the fuel. In order to predict flame height in a partial gravity environment, we investigated the heat feedback amount of a small pool flame experimentally under normal to partial gravity conditions; using the drop tower at Hirosaki University in Japan to obtain arbitrary partial gravity condition, which varied from 1 G to 0.55 G. We performed the measurement of the flame shape with a digital camera. Based on the experiment result, we expected the amount of fuel vapor from the amount of heat feedback of the pool flame calculated and to establish the prediction formula of the flame height in the partial gravity environment.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129855895","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}
引用次数: 1
Integration of Design Safety into Curricula in the Undergraduate Programs: The Academician Perspective 设计安全与本科课程的整合:院士的观点
Open Journal of Safety Science and Technology Pub Date : 2017-08-09 DOI: 10.4236/OJSST.2017.73010
M. Misnan, W. Azmi, S. Mohamed, Z. M. Ramly, Z. Yusof, Norazam Othman
{"title":"Integration of Design Safety into Curricula in the Undergraduate Programs: The Academician Perspective","authors":"M. Misnan, W. Azmi, S. Mohamed, Z. M. Ramly, Z. Yusof, Norazam Othman","doi":"10.4236/OJSST.2017.73010","DOIUrl":"https://doi.org/10.4236/OJSST.2017.73010","url":null,"abstract":"The current and growing construction industry in the country has led to increasing of accidents related to construction workers. In an attempt to decrease accidents on site, the design safety concept is the most suitable measures to date. Though the impact is evident and potential benefits of its implementation are apparent, widespread application of this intervention in the Malaysia’s construction industry is currently lacking especially in the academic sector. Therefore, this paper aims to explore the integration of safety and health to the current curricula focusing on the engineering programmes and their perceptions towards design safety concept and its implementation. The types of design disciplines included in the research study were limited to academicians. A total of 72 respondents received via questionnaire and the responses were scored on a 5-point Likert Scale to express their level of agreement. The results show that the graduates are not equipped with adequate knowledge of safety and health legislation and regulations through the current curricula and disagree that the content of the programmes is adequate. Although majority agree on the positive effect of design safety towards accidents on site, there is still minority who believe that the concept has no significant effect towards site safety. However, this paper concludes that there is no major impediment from the academic sector on the implementation and integration of design safety concept to the undergraduate curricula. The implementation of design safety should be in a well organized structure for effective results towards zeroaccident as well as increases the designers’ value in the construction industry.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"744 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116117937","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}
引用次数: 3
Occupational Health and Safety Status in the Windhoek Construction Industry: A Namibian Perspective 温得和克建筑业的职业健康和安全状况:纳米比亚的观点
Open Journal of Safety Science and Technology Pub Date : 2017-08-09 DOI: 10.4236/OJSST.2017.73011
Emma Maano Nghitanwa, L. Zungu
{"title":"Occupational Health and Safety Status in the Windhoek Construction Industry: A Namibian Perspective","authors":"Emma Maano Nghitanwa, L. Zungu","doi":"10.4236/OJSST.2017.73011","DOIUrl":"https://doi.org/10.4236/OJSST.2017.73011","url":null,"abstract":"Construction \u0000industry remains the dangerous industry in the world, due to the nature of work \u0000and the working environment which exposes workers to different types of hazards \u0000and occupational accidents. Construction workers are also at risk of developing \u0000occupational related health conditions due to the exposure to occupational \u0000hazards. A cross-sectional, \u0000quantitative, descriptive study was conducted to collect the data regarding \u0000occupational health and safety status in the construction industry. Data was \u0000collected with questionnaires developed based on the literatures and the World \u0000Health Organization Healthy workplace model. The study found out that the \u0000provision of occupational health and safety in the Windhoek construction \u0000industry is in poor status. Furthermore, construction work is mainly for male, \u0000young workers aged between 18 to 29 years. The mean age is 31.48 years. The \u0000study results also indicated that occupational hazards are prevalent in the \u0000construction industry. Nevertheless, most participants indicated that \u0000occupational accidents are not common in the construction sites. The study \u0000recommended the development of practical guidelines to improve the occupational \u0000health and safety status in the construction industry. The recommended \u0000guidelines should be implemented in all construction sites.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131624449","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}
引用次数: 3
Improvement of Fire Extinguishing Performance by Decentralized Supply of Fire-Fighting Agents 分散式灭火剂供应对灭火性能的改善
Open Journal of Safety Science and Technology Pub Date : 2017-08-09 DOI: 10.4236/OJSST.2017.73008
Y. Iwatani, H. Torikai
{"title":"Improvement of Fire Extinguishing Performance by Decentralized Supply of Fire-Fighting Agents","authors":"Y. Iwatani, H. Torikai","doi":"10.4236/OJSST.2017.73008","DOIUrl":"https://doi.org/10.4236/OJSST.2017.73008","url":null,"abstract":"One of the central problems in fire safety science and technology is to reduce damage caused by both fires and fire-fighting processes. This paper provides a potential solution to the problem, and it derives from decentralization of fire-fighting agents. In particular, this paper investigates fire extinguishing performance when a fire-fighting agent is supplied to a fire from one direction with one extinguisher and from two directions with two extinguishers. The two methods are called the centralized supply and the decentralized supply, respectively, in this paper. It is demonstrated that the decentralized supply reduces damage caused by both fires and fire-fighting processes. This follows from the facts that fire extinguishment by the decentralized supply is more certain than the centralized supply, and that the decentralized supply requires less total amount of a fire-fighting agent than the centralized supply for fire extinguishment.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125181042","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}
引用次数: 1
Research on HFACS Based on Accident Causality Diagram 基于事故因果图的HFACS研究
Open Journal of Safety Science and Technology Pub Date : 2017-06-06 DOI: 10.4236/OJSST.2017.72007
Bing Wu, Luyao Kou, Q. Ma
{"title":"Research on HFACS Based on Accident Causality Diagram","authors":"Bing Wu, Luyao Kou, Q. Ma","doi":"10.4236/OJSST.2017.72007","DOIUrl":"https://doi.org/10.4236/OJSST.2017.72007","url":null,"abstract":"Accident analysis contributes much to improve the safety management of enterprises. The Human Factors Analysis and Classification System (HFACS) is an accident analysis method popularly used overseas. Based on HFACS analysis method, this paper presents a new accident analysis method combining HFACS with Accident Causality Diagram. On the basis of the clear description of basic events’ causal relationship in the accident, the new approach applies HFACS to evaluate the basic events leading to accident, which overcomes the deficiency of HFACS that the ultimate analysis result is not clear enough to understand due to the lack of the association between basic events and the events at other levels in the accident. The new method is used to analyze the collision accident of two vehicles in mining area. It can be concluded that HFACS based on Accident Causality Diagram is feasible and it helps to find out the main reasons that lead to accident and thus to take proper measures to prevent the occurrence of similar accidents.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"491 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132234181","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}
引用次数: 2
Analysis of the Riding Posture of Bicyclists and Influence Parameters on the Helmet Use 自行车运动员骑行姿势及影响头盔使用的因素分析
Open Journal of Safety Science and Technology Pub Date : 2017-02-16 DOI: 10.4236/OJSST.2017.71005
D. Otte, T. Facius
{"title":"Analysis of the Riding Posture of Bicyclists and Influence Parameters on the Helmet Use","authors":"D. Otte, T. Facius","doi":"10.4236/OJSST.2017.71005","DOIUrl":"https://doi.org/10.4236/OJSST.2017.71005","url":null,"abstract":"In the scope of COST Action TU1101 a field study of the use of bicycle helmets was carried out and different seating positions of the human body on the cycle were analyzed from photos to identify the vertical vision limit due to the helmet geometry of the cyclists when riding a bicycle. It could be interesting to know if different helmet postures will influence the resulting head impact and head injury situation and which influence parameters are responsible for the decision of the cyclist to use or not to use a helmet. For the study helmet users are compared with non-helmet users, distinguished for different bicycle types. For this purpose a total of 1565 cyclists with and without helmets were photographed and relevant geometrical values such as the angle between seat and handle bar, the decline of the torso or the head posture and the angle of the vertical vision limit were established from the photo analysis. A significant variation of the sitting posture of the cyclist could be seen in field which is influenced by the bicycle type and the age group of the cyclist riding the bike. Even the helmet users showed slight differences in the head posture compared to non-helmet users.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122998447","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}
引用次数: 0
Flame Spread over Liquid Fuel on a Water Layer-Basic Research on Tsunami Fire 水层上液体燃料的火焰蔓延——海啸火灾的基础研究
Open Journal of Safety Science and Technology Pub Date : 2017-02-16 DOI: 10.4236/OJSST.2017.71002
Shingo Kuwana, Hidekazu Tamizu, A. Ito, H. Torikai
{"title":"Flame Spread over Liquid Fuel on a Water Layer-Basic Research on Tsunami Fire","authors":"Shingo Kuwana, Hidekazu Tamizu, A. Ito, H. Torikai","doi":"10.4236/OJSST.2017.71002","DOIUrl":"https://doi.org/10.4236/OJSST.2017.71002","url":null,"abstract":"The purpose of this study is to reveal the flame spreading mechanism of tsunami fire. But the mechanism of tsunami fire is so complex that we couldn’t assess qualitatively. So the basic research on tsunami fire is needed. As a first step, we did flame spread experiment on only liquid fuel and liquid fuel/water layer under static liquid fuel. We measured flame spread rate. As a result, fuel thickness is in range of 5 - 15 mm, and flame spread rate over only liquid fuel is faster than liquid fuel/water layer’s at same fuel thickness. To reveal the gap of the flame spread rate at same liquid fuel thickness, we visualized current distribution by PIV and thermal boundary layer by shadowgraph method. By these results, we revealed that the thermal characteristic length is longer and the current characteristic depth of liquid fuel/water is deeper than that of liquid only fuel.","PeriodicalId":183634,"journal":{"name":"Open Journal of Safety Science and Technology","volume":"2018 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129488771","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}
引用次数: 7
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