Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7548
S. Jayatilleke, V. Wickramasinghe
{"title":"Analysing the Impact of Jaywalking Pedestrians on Mainstream Traffic Flow through Real-time Motion Trajectories","authors":"S. Jayatilleke, V. Wickramasinghe","doi":"10.4038/engineer.v55i4.7548","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7548","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"10 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84735129","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7543
B. J. C. L. Jayathunga, H. Karunasena
{"title":"Development and Performance Analysis of a Small-Scale On-shore Wave Energy Converter","authors":"B. J. C. L. Jayathunga, H. Karunasena","doi":"10.4038/engineer.v55i4.7543","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7543","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"181 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76469558","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7550
M. Kesavan, P. Dissanayake, C. Pathirana, M. Deegahawature, K. D. Silva
{"title":"Developing a New Construction Supervisory Training Programme Focusing on Productivity and Performance Improvement of Labour Operations","authors":"M. Kesavan, P. Dissanayake, C. Pathirana, M. Deegahawature, K. D. Silva","doi":"10.4038/engineer.v55i4.7550","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7550","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"46 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91046703","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7540
A. Bulathsinhala, U. Puswewala
{"title":"The Effect of Quartz and Feldspar Minerals on Formation of Bentonite Filter Cake over Gneissic Bedrocks in Sri Lanka","authors":"A. Bulathsinhala, U. Puswewala","doi":"10.4038/engineer.v55i4.7540","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7540","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"43 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86673839","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7491
S. Gajanayake, A. Sugathapala, J. Bandara
{"title":"Development of a Driving Cycle to Characterize the Driving Behaviour of Two-wheelers and Threewheelers in Colombo Metropolitan Area","authors":"S. Gajanayake, A. Sugathapala, J. Bandara","doi":"10.4038/engineer.v55i4.7491","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7491","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"105 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73693512","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7544
T. M. Rengarasu, S. Priyankara, W. M. Bandara, N. Jegatheesan
{"title":"Use of Carbonized Rice Husk and Bio-char as Binder Modifiers in Hot Mix Asphalt","authors":"T. M. Rengarasu, S. Priyankara, W. M. Bandara, N. Jegatheesan","doi":"10.4038/engineer.v55i4.7544","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7544","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79919341","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7551
C. D. Fernando, C. Walgampaya
The World Health Organization has declared the SARS Covid 19 virus as a global pandemic due to its exponential transmission throughout the world. They have advised people to keep safe distances, to wash hands frequently, to wear a proper mask, and to get vaccinated at the earliest. They have also introduced new guidelines to adhere to the new normal. Despite these recommendations, public health system capacities have been exhausted in many countries and has caused deaths due to limited access to health care facilities. To reduce the number of deaths, WHO has further encouraged countries to implement home quarantine programs for people who are exposed to Covid 19 or have been a first contact of a Covid 19 patient. The purpose of this paper is to describe the development of an android-based application to monitor, track and advise the general public on various aspects of Covid 19 pandemic. This system mainly consists of an analytic dashboard that consists of latest statistics of Covid 19 pandemic, a health care monitoring system that can interact in real-time with health care authorities, an awareness platform to provide time-to-time updates on the latest guidelines provided by the health care authorities and also a Covid 19 contact tracing mechanism based on the google map. This system was tested with the help of randomly selected staff members and students of the Faculty of Engineering, University of Peradeniya.
{"title":"Android Based Digital Contact Tracing and Health Monitoring System for Covid 19 Pandemic","authors":"C. D. Fernando, C. Walgampaya","doi":"10.4038/engineer.v55i4.7551","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7551","url":null,"abstract":"The World Health Organization has declared the SARS Covid 19 virus as a global pandemic due to its exponential transmission throughout the world. They have advised people to keep safe distances, to wash hands frequently, to wear a proper mask, and to get vaccinated at the earliest. They have also introduced new guidelines to adhere to the new normal. Despite these recommendations, public health system capacities have been exhausted in many countries and has caused deaths due to limited access to health care facilities. To reduce the number of deaths, WHO has further encouraged countries to implement home quarantine programs for people who are exposed to Covid 19 or have been a first contact of a Covid 19 patient. The purpose of this paper is to describe the development of an android-based application to monitor, track and advise the general public on various aspects of Covid 19 pandemic. This system mainly consists of an analytic dashboard that consists of latest statistics of Covid 19 pandemic, a health care monitoring system that can interact in real-time with health care authorities, an awareness platform to provide time-to-time updates on the latest guidelines provided by the health care authorities and also a Covid 19 contact tracing mechanism based on the google map. This system was tested with the help of randomly selected staff members and students of the Faculty of Engineering, University of Peradeniya.","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80521312","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7541
M. Hemadasa, L. D. De Silva, U. Nawagamuwa
{"title":"Effect of Bentonite and Polymer Drilling Fluids on Skin Friction of Bored Piles","authors":"M. Hemadasa, L. D. De Silva, U. Nawagamuwa","doi":"10.4038/engineer.v55i4.7541","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7541","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"102 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73649300","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7547
H. Gunatillake, L. Samaliarachchi
{"title":"A Regenerative Braking Model to Predict the Energy Efficiency Improvement of Railway Electrification: A Case Study in Sri Lanka","authors":"H. Gunatillake, L. Samaliarachchi","doi":"10.4038/engineer.v55i4.7547","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7547","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83529220","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}
Pub Date : 2022-12-31DOI: 10.4038/engineer.v55i4.7549
D. S. Ratiyala, H. Pasindu, G. De Silva, K. A. Kariyawasam
{"title":"Investigation on Effectiveness of Rumble Strip Designs to Alert Run-off-road Vehicles on Expressways","authors":"D. S. Ratiyala, H. Pasindu, G. De Silva, K. A. Kariyawasam","doi":"10.4038/engineer.v55i4.7549","DOIUrl":"https://doi.org/10.4038/engineer.v55i4.7549","url":null,"abstract":"","PeriodicalId":42812,"journal":{"name":"Engineer-Journal of the Institution of Engineers Sri Lanka","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86680393","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}
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