Volume-7 , Issue-2 , Jun 2020, ISSN 2348-635X Go Back

• Open Access   Article

  A Study of Optimization of Aircraft Separation using the Time Based Separation at Tribhuvan International Airport

  Nishan Khadka, Sulav Parajuli, Aayush Bhattarai, Sanjaya Neupane

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.1-7, Jun-2020

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  The Tribhuvan International Airport (TIA) uses the conventional distance-based separation minima for separation of two consecutive aircraft in approach and a basic Time-based separation (TBS) for aircraft in open airspace. The possibility of saving time by switching from the Distanced Based Separation (DBS) system to a fully Enhanced Time Based Separation (ETBS) can improve TIA?s approach procedure. This paper focuses on a study of the comparative analysis between the DBS and the ETBS system for TIA, using Monte-Carlo simulation-based upon various parameters that affect separation between the aircraft. The preliminary setup includes random number mapping for weight class of the plane, wind speed, approach speed, and wind direction in MS Excel. However, few limitations and exceptions are considered for the research. An average daily time lag of 79 minutes was observed between DBS and TBS. Hence, implementation of the ETBS system can save TIA almost 20 days of operation annually

  Key-Words / Index Term
  DBS, TBS, ETBS, Wake Vortices, Aircraft, Seperation, Approach, TIA

  References
  [1] I.N. Smalikho, Sh.Rahm, ?Lidar Investigations of the effect of wind and atmospheric turbulence,? Atmospheric and Oceanic Optics, Vol.23, Issue.2, pp.137-146, 2010.
  [2] Civil Aviation Authority of Nepal, ?Manual of Air Traffic Services,? CAAN Publication, Nepal, pp. 5-1-5-39,, 2014.
  [3] Charles Morris, John Peters, Peter Choroba, ?Validation of Time Based Seperation Concept at London Heathrow Airport,? Tenth USA/Europe Air Traffic Management Research and Development Seminar, Chicago, USA, 2013.
  [4] Civil Aviation Authority of Nepal, ?CAAN Annual Report 2018,? CAAN Publication, Nepal, pp 44-62. , 2018.
  [5] SESAR Joint Undertaking, ?Flexible and Dynamic use of Wake Turbulence Separation ,? NATS and Eurocontrol, Belgium, pp 44-62. , 2018.
  [6] ICAO, ?Redefinition of ICAO Categories for Wake Turbulence,?Tenth USA/Europe Twelth Air Navigation Conference,Montreal, Canada, 2013..
  [7] ICAO Annex 11, ?Air Traffic Servuce,? ICAO, Canada, pp. 3-3-3-9,, 2001.
  [8] R Nigam, R Jain, A. Sehgal, R. Maheswori, P.S Mehra, ?Estimation of Household Consumption: A Survey?,World Academic Journal of Engineering Science, Vol.6, Issue 1, pp.55-63 , 2019

  Citation
  Nishan Khadka, Sulav Parajuli, Aayush Bhattarai, Sanjaya Neupane, "A Study of Optimization of Aircraft Separation using the Time Based Separation at Tribhuvan International Airport," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.1-7, 2020

• Open Access   Article

  Estimation of Passenger Car Units for Different Category of Vehicles in Midblock

  Eshetu Zekarias Lera, Mengistu Mena Kuleno

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.8-19, Jun-2020

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  The mixed traffic flow magnifies the impact of one vehicle on another. The present study was carried out to estimate traffic stream speed to study the effect of increased flow volume of individual vehicle category to the speed. In order to achieve the desired objectives, Percentage composition of each vehicle category was prepared for each survey day and average stream speed with classified traffic volume was modelled using SPSS. The passenger car unit of individual vehicles has been estimated from the speed prediction model by taking the ratio of speed reduction coefficient of each vehicle category to that of standard vehicle. The effects of traffic volume and its composition on stream speed and dynamic passenger car unit in the context of urban mixed traffic has been analyzed. Based on the result obtained, passenger car unit of light vehicles increase with increase in road width for given composition, but it decreases with the road width for heavier vehicles. The result also indicated that passenger car unit of all vehicles category increases with increase in percentage composition of heavy vehicles except two wheelers and also the passenger car units of all vehicles category decrease with an increase in traffic stream speed for the given road width due to the fact that the impact of fast-moving vehicles to the nearby vehicle is high and hence the passenger car unit of that vehicle is higher than slow-moving one

  Key-Words / Index Term
  mixed traffic flow, passenger car unit, reference vehicles, speed reduction coefficient

  References
  [1] J. T. S. Al-Obaedi "Estimation of passenger car equivalents for basic freeway sections at different traffic conditions," World Journal of Engineering and Technology, no. 4, pp. 153-159, 2016.
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  [10] M. Rahman and F. Nakamura, "Measuring passenger car equivalents for non-motorized vehicle (rickshaws) at mid-block sections," Journal of the Eastern Asia Society for Transportation Studies, vol. 6, pp. 119-126, 2005.
  [11] G. Tamene. "Passenger car equivalents for basic freeway segments on Addis Abeba- Adam Expressway," Addis Abeba Universiti, Addis Abeba, 2016.
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  Citation
  Eshetu Zekarias Lera, Mengistu Mena Kuleno, "Estimation of Passenger Car Units for Different Category of Vehicles in Midblock," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.8-19, 2020

• Open Access   Article

  Integrated Design of Solar Water Pump and Biosand Filter for Rural Well-Water Purification

  A.E. Isiyaku, S.M. Alhassan, S.S. Danmahe

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.20-31, Jun-2020

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  Rural wells are accessible in many networks and provincial settlements inside Nigeria. These wells are typically shallow sort development and around 5 to 15 meter depth which requires much energy input in lifting out the water. Additionally, the water for the most part get polluted and wind up unpurified due to various types of waste produced from the expectation for everyday comforts and afterward results to waterborne diseases. Hence, an easy access to well water and making it cleaned have turned out to be vital. This paper works on a proposed design for a potential integration of a solar water pump and a Biosand Filter (BSF) for the purification of rural well water. A Biosand purification technique was adopted for being a natural purification method and water pumping using solar energy which is a propitious alternative to regular power and diesel based pumping frameworks was utilised for the study. Solar photovoltaic (PV) water pumping technology runs a DC or AC engine based water pump by converting solar energy into electrical based energy. The required system power is provided by PV, which runs the circuitry system. A point-of-use (POU) biosand filter of Centre for Affordable Water and Sanitation Technology (CAWST) was adopted and designed for multiple users POUs in a circular shape and each POU has water inlet and outlet channel. DC submersible water pump was connected directly to the storage tank from the well. An Arduino microcontroller coupled with water sensor was programmed to control the water level for refilling the BSF from the storage tank and also serve as the on and off control mechanism. The system operation requires no basic procedures of human association and will provide healthy clean water in rural communities by easy means with high performance

  Key-Words / Index Term
  Well water Purification; Solar water pump; Biosand filter; Arduino Microcontroller

  References
  [1] Andersson, L. ?Evaluation of biosand filter as a water treatment method in Ghana : An experimental study under local conditions in Ghana?. (Dissertation). 2017.
  [2] CAWST. "Biosand filter manual Design, construction, installation, Operation and maintenance". CAWST Training Manual Edition, pp 2-11, 2009.
  [3] CAWST. "CAWST Center for Affordable Water and Sanitation Technology". 2015
  [4] Chandel, S. S., Nagaraju, M. N., & Rahul, C. "Review of solar photovoltaic water pumping system technology for irrigation and community drinking water supplies". Renewable and Sustainable Energy Reviews 49, pp 1084?1099, 2015
  [5] Elliott, M. A., Stauber, C. E., Koksal, F., DiGiano, F. A., & Sobsey, M. D. "Reductions of E. Coli, Echovirus Type 12 and Bacteriophages in an Intermittently Operated Household-Scale Slow Sand Filter". Water Research 42 (10?11), pp 2662?70, 2008. doi:10.1016/j.watres.2008.01.016.
  [6] EPA. "Point of Use (POU) Technologies Radionuclides Decision Tree US EPA.?. Office of Web Communications and Office of Environmental Information. 2015.
  [7] Foster , R., Majid, G., & Cota , A. "A test book of solar energy". Renew Energy Environ. 2014.
  [8] Gjerstad Lindgren, J., & Olivecrona, Z. ?Water purification with a biosand filter in Tanzania : A minor field study - Karagwe District, Tanzania?. (Dissertation). 2016.
  [9] Kou, Q., Klein, S. A., & Beckman, W. A. "Method for estimating the long-term performance of direct-coupled PV pumping systems". Sol Energy, 64: pp 33?40, 1998.
  [10] Lalit Mohan, S. & Saurabh, S. ?Reinventing the Biosand Filter: An Easy Solution for Safe Drinking Water?. IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) e-ISSN: 2319-2402,p- ISSN: 2319-2399.Volume 10, Issue 1 Ver. I. pp 43-48. 2016.
  [11] Lenton, R. L., Albert , M. W., & Kristen, L." Health, Dignity and Development: What Will It Take? "Earth scan. 2005.
  [12] Michael, K., and Johannes H., ?Rational design of domestic biosand filters? Journal of Water Supply: Research and Technology?AQUA | 59.1 | pp. 1-15, 2010.
  [13] Protoger, C., & Pearce, S. "Laboratory evaluation and system sizing charts for a second generation direct PV-powered, low costsubmersible solar pump". Sol Energy, 68: PP 453?74, 2000.
  [14] Rohit, K. B., Karve, G., & Khatri , M. "Solar water pumping system". Int J Emerg Technol Adv Eng, 3: pp 225?59, 2013.
  [15] Sobsey, M. D., Christine , E. S., Lisa, M. C., Joseph , M. B., & Mark , A. E. "Point of Use Household Drinking Water Filtration: A Practical, Effective Solution for Providing Sustained Access to Safe Drinking Water in the Developing World". Environmental Science & Technology 42 (12), pp 61?67, 2008. doi:10.1021/es702746n
  [16] United Nations Sustainable Development Goals. ?Clean Water and Sanitation: Why it Matters?. 2016.
  [17] Watering Malawi. ?Water Projects?. 2009.
  [18]World Health Organization. "Guidelines for Drinking-Water Quality", Fourth Edition 2011.
  [19] Young-Rojanschi, C., & Madramootoo, C. "Intermittent versus Continuous Operation of Biosand Filters". Water Research, 1;49: pp 1-10, 2014 doi:10.1016/j.watres.2013.11.011.
  

  Citation
  A.E. Isiyaku, S.M. Alhassan, S.S. Danmahe, "Integrated Design of Solar Water Pump and Biosand Filter for Rural Well-Water Purification," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.20-31, 2020

• Open Access   Article

  Porosity - Permeability Relationship of Libyan Carbonate Reservoir in Defa Oil Field

  Saleh Arwini

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.32-44, Jun-2020

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  Abstract
  Proper understanding of permeability and permeability distribution is critical to effective carbonate reservoir description. The relation between porosity and permeability parameters in carbonated rocks is complicated, indistinct and very difficult to characterize because of their tendency to be tight and heterogeneous due to depositional environment and diagenetic processes. In this paper, the aim was to develop a permeability predictive model for one of Libyan carbonate reservoirs (Defa Oil Field) using the principle of Hydraulic Flow Units (HFUs). This relation will enhance the reservoir description since it considers the entire spread of porosity and permeability data if each Hydraulic Unit (HU) can be recognized across the field. In this study, the available core data from two key wells of Defa oil field were used to develop permeability model based on Hydraulic Flow Unit Method. Histogram analysis, probability analysis and Log-Log plot of Reservoir Quality Index (RQI) versus normalized porosity (?z) are presented to identify optimal hydraulic flow units. The results have shown that the HU process based on Flow Zone Indicator (FZI) was successfully applied for studied case from Defa carbonate rocks and they worked perfectly to characterize permeability with good correlation coefficient for each HFU (R2 ≥ 0.9). Flow Zone Indicator (FZI) is an effective and suitable parameter in correlating rock properties because it is based on pore throat radius and geometry of porous medium that related to petrophysical rock types.

  Key-Words / Index Term
  Permeaxbilty, Porosity, Hydraulic Flow units, Reservoir Quality Index, Flow Zone Indicator, Libyan carbonate reservoir

  References
  [1] D. Tiab, ?Advances in Petrophysics,? Lecture Notes Manual, Vol. 1-Flow Units, University of Oklahoma, USA, 2000.
  [2] P. Glover, ?Petrophysics Permeability,? Petrophysics MSc Course Notes, University of Aberdeen, UK, 2014.
  [3] D. Tiab, and E.C. Donaldson, ?Petrophysics: Theory and Practice of Measuring Reservoir Rock and Fluid Transport Properties,? 2nd edition, Elsevier, New York, USA, 2004.
  [4] J.O. Amafule, M. Altunbay, D. Tiab, D.G. Kersey, and DR. Keelan, ?Enhanced reservoir description: Using core and log data to identify hydraulic (flow) units and predict permeability in uncored intervals/wells,? Proceedings of the 68th SPE Annual Technical Conference and Exhibition, Society of Petroleum Engineers, Houston, Texas, USA, pp.205-220, 3-9 Ocober 1993.
  [5] M. Abbaszadeh, H. Fujii and F. Fujimoto, ?Permeability prediction by hydraulic flow units- theory and applications,? SPE Formation Evaluation, Vol.11, pp.263-271, 1996.
  [6] C.L. Hearn, W.J. Ebanks, R.S. Tye and V. Ranganathan, ? Geological factors influencing reservoir performance of the hartzog draw field Wyoming,? Journal of Petroleum Technology, Vol.36, pp.1335-1344, 1984.
  [7] J. Kozeny, "Ueber kapillare Leitung des Wassers im Boden," Sitzungsber Akad. Wiss., Wien, Vol.136, Issue.2a, pp.271-306, 1927.
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  [9] R. I. Gardner, and E.A. Albrechtsons, ?Hydraulic zonation and permeability modelling of the Hibernia formation using an integrated mathematical, petrophysical and geological approach,? The Petroleum Society of CIM, 46th Annual Technical Meeting of the Petroleum Society of CIM, Alberta, Canada, 14-17 May 1995.
  [10] D. Svirsky, A. Ryazanov, and M. Pankov, ?Hydraulic Flow Units resolve reservoir description challenges in a Siberial oil field,? SPE Asia Pacific Conference on Integrated Modeling for Asset Management, SPE 87056, Kuala Lumpur, Malaysia, 29-30 March 2004.
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  [12] S. Shenawi, H. Al-Mohammadi, M. Faqehy, ? Development of generalized porosity-permeability transforms by hydraulic units for carbonate oil reservoirs in Saudi Arabia,? SPE 125380, SPE/EAGE Reservoir Characterization and Simulation Conference, Abu Dhabi, UAE, pp.19-21, October 2009.
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  [21] H. H. Perez, A. Datta-Gupta and S. Mishra, ?The Role of Electrofacies, Lithofacies, and Hydraulic Flow Units in Permeability Predictions from Well Logs: A Comparative Analysis Using Classification Trees,? SPE Reservoir Evaluation & Engineering Journal, pp.143?155, April 2005.

  Citation
  Saleh Arwini, "Porosity - Permeability Relationship of Libyan Carbonate Reservoir in Defa Oil Field," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.32-44, 2020

• Open Access   Article

  Hazard Identification and Risk Assessment in Material Engineering Laboratory

  S.M. Dodo, S.A. Abdulkadir, Malgwi G.S, V. Ibrahim, B.G. Jahun

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.45-50, Jun-2020

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  Abstract
  The laboratory is a workplace where people are exposed to different levels of hazards, a place where a healthy and safe working process or procedures are required, safety is important as workers are liable to many risks due to the nature of the working environment. This study identifying potential hazards assessed the risk associated based on demographic features among students using Material Engineering. Hazards were identified and where assessed based on the Systematic random sampling technique. A sample size of 80 was considered due to a confidence level of 1.96 and a margin of error of 0.05. Knowledge, Attitude, and safety practices where collected based on age, gender, education level, and laboratory experience distribution among the 70 students and analyzed using Non-parametric analysis of variance test to see if there is a significant difference among the demographic features of users. Correlation between safety practices with attitude analyzed. Results show that age, educational level, and laboratory experience has a significant effect on the attitude, knowledge, and safety practice observed in the laboratory with p-values of 0.02, 0.044, 0.003, and 0.0001 respectively. Correlation between safety practice and both attitude and knowledge was positively related with correlation coefficient and p-value of rs =0.270 and p-value 0.024 and 𝑟a = 0.275 and p-value = 0.021 indicating a low Positive correlation between both knowledge and Attitude with safety practice, concluding that laboratory safety practice improves as knowledge toward hazards increases and good attitudes towards precautions improves.

  Key-Words / Index Term
  Hazard, Attitude, safety practice, Gender, education level, experience

  References
  [1] C.C. Lehmann, Haight, J.M., and Michael, J.H., "Effects of safety training on risk tolerance: An examination of male workers in the surface mining industry," Journal of SH&E Research, vol. 4, No. 3, pp. 1-22, 2009.
  [2] K.A. Shamsuddin, Norzaimi, C., Che-Ani, A., and Ismail, A., "Investigation the effective of the Hazard Identification, Risk Assessment and Determining Control (HIRADC) in manufacturing process," International Journal of Innovative Research in Advanced Engineering, vol. 2, No. 8, pp. 80-84, 2015.
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  [5] S. Adyanthaya and Jose, M., "Quality and safety aspects in histopathology laboratory," Journal of oral and maxillofacial pathology: JOMFP, vol. 17, No. 3, p. 402, 2013.
  [6] H. Ahmad, Kousar, A., and Altaf, J., "Occupational Hazards in Pathology Laboratories," Journal of Rawalpindi Medical College Students Supplement;, vol. 20, No. 1, pp. 52-56. , 2016.
  [7] S. Allavudeen and Sankar, S.P., "Hazard Identification, Risk Assessment and Risk Control in Foundry," SSRG International Journal of Industrial Engineering (SSRGIJIE)?Issue 5,, 2015.
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  [14] C.D. Truong, "Knowledge, attitude, and practice on using personal protective equipment of rattan craftsmen in trade village at Kienxuong district, Thaibinh province, Vietnam," Chulalongkorn University, 2008.
  [15] O.O. Aluko, Adebayo, A.E., Adebisi, T.F., Ewegbemi, M.K., Abidoye, A.T., and Popoola, B.F., "Knowledge, attitudes and perceptions of occupational hazards and safety practices in Nigerian healthcare workers," BMC research notes, vol. 9, No. 1, p. 71, 2016.
  [16] K.M. Mousa, Fouad, N.A., and El-Dein, S.A.B., "Assessment of Knowledge and Self-Reported Practices of Iron Mines? Workers about Pneumoconiosis in Baharia Oasis, Giza Governorate," Med. J. Cairo Univ, vol. 82, No. 2, pp. 23-29, 2014.
  [17] M. Ansuya and Serrao, J.M., "Knowledge and practice on safety measures among Fishermen of Udupi district," Education, vol. 6, No. 52.5, p. 40, 2014.
  [18] S.O. Nee and Sani, N.A., "Assessment of knowledge, attitudes and practices (KAP) among food handlers at residential colleges and canteen regarding food safety," Sains Malaysiana, vol. 40, No. 4, pp. 403-410, 2011.
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  Citation
  S.M. Dodo, S.A. Abdulkadir, Malgwi G.S, V. Ibrahim, B.G. Jahun, "Hazard Identification and Risk Assessment in Material Engineering Laboratory," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.45-50, 2020

• Open Access   Article

  Study the Behaviour of Copper Slag and Silica Fume in M60 Grade Concrete

  Pradeepa P., Umamaheswari R.

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.51-55, Jun-2020

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  Abstract
  This paper illustrate the behavior of partially replaced cement and fine aggregate by silica fume and copper slag in the production of concrete. Silica fume and copper slag are the waste materials that are disposed by the copper smelting industries in large quantities. So in order to utilize the waste materials effectively this study has been carried out. This paper presents the results of an experimental investigation on the concrete using silica fume and copper slag as a partial replacement for cement and fine aggregate respectively. For this study M60 grade concrete were evaluated for workability, compressive strength, spilt tensile strength, flexural strength and water absorption. To determine the strength parameters the specimens were casted for various replacement levels and the harden concrete strength were tested for 7 and 28 days.

  Key-Words / Index Term
  Compressive strength, Spilt tensile strength,Flexural strength, Copper slag, Silica fume

  References
  [1]. M. Kiruthika, ?Experimental Study on Partial Replacement of Cement and Fine Aggregate by Silicafume and Copper Slag in concrete?, IJIRT, ISSN:2349-6002, volume 4, Issue 8, January 2018.
  [2]. Naveed A Shaikh, Pradeep P Tapkire, ?A Partial Replacement of Fine Aggregate by Copper Slag in Concrete, ? IJECS, ISSN:2319-7242, Volume 5, Issue 12, pp 19809-19812, December 2016.
  [3]. M.V Patil, ?Properties and Effects of Copper Slag in Concrete? International Journal of Advance in Mechanical and Civil Engineering, ISSN:2394-2827, volume 2, Issue 2, April 2015.
  [4]. IS 10262 Recommended to Concrete Mix Proportions Guide Line, BIS, New Delhi, 2019.
  [5]. IS 12269 Recommended Specifications for 53 grade Ordinary Portland Cement, BIS, New Delhi, 1987.
  [6]. IS 383 Recommended Specifications for Coarse and Fine Aggregates from Natural Sources for Concrete, BIS, New Delhi, 1970.

  Citation
  Pradeepa P., Umamaheswari R., "Study the Behaviour of Copper Slag and Silica Fume in M60 Grade Concrete," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.51-55, 2020

• Open Access   Article

  Characterization of Household Solid Waste Generated In Wuro Hausa Yola-South Local Area of Adamawa State in Northern Nigeria

  Malgwi G.S., Abdulkadir S.A.

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.56-61, Jun-2020

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  Abstract
  This paper presents a characterization study of the municipal solid waste generated in Wuro Hausa-Yola-South Local Government Area of Adamawa State in Northern Nigeria. The area was divided into three zones namely: Zone A-Lume, Zone B-Mallagiri, and Zone C-Bangel. Twenty households were randomly selected from each zone making 60 households that were studied. Household solid waste was collected daily within the period of within a period of (14) fourteen days with the help of (4) four trained waste collectors each fitted with a wheelbarrow and protective equipment. Solid waste features were determined based on components, mean mass (Kg) per household, solid waste, and bulk density. It was detected that 33.30% of the solid waste generated in the area is made up of food/putrescible matter and vegetable matter; 30.80% plastics and 36.40% metals. Per capita waste generated was 0.3kg/capita/day and the average bulk density of waste generated was 11.40kg/m3. It is recommended that formal composting and recycling facilities be established within the community, and private firms are involved in efficient and effective solid waste management in the area in the nearest future

  Key-Words / Index Term
  Characterization, Compositing, Household, Solid waste, Sorting, Sustainable, Recycling

  References
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  Citation
  Malgwi G.S., Abdulkadir S.A., "Characterization of Household Solid Waste Generated In Wuro Hausa Yola-South Local Area of Adamawa State in Northern Nigeria," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.56-61, 2020

• Open Access   Article

  Flexural Behaviour of SIFCON with steel fibre and Replacement of Cement with Glass Powder

  Saraswathy, Umamaheswari R.

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.62-65, Jun-2020

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  Abstract
  Slurry Infiltrated Fibrous Concrete (SIFCON) is a new construction fibrous concrete material of high strength and high-performance concrete. SIFCON consists of volume of fibrous content as 5% to 25%. The fibre network is infiltrated by liquid-based slurry. It is not having Coarse aggregate only have cement, sand and cementitious materials. In this Experimental study the strength properties of SIFCON is investigated. SIFCON is produced with Mortar ratio of 1:1.5 and 2.5%,5%, 7.5% of volume of Steel fibers were used. Here hooked end Stainless steel were used with an aspect ratio of 50 then 20% Glass powder is replaced with weight of Cement. The strength characteristics like Compression test, Spilt Tensile strength and Flexural strength test were evaluated and the results obtained from these tests were compared with M30 Concrete

  Key-Words / Index Term
  SIFCON, Steel fiber,Glass Powder

  References
  [1] Rakesh kumar chaudhary,R.D.Patel, ?Study of behaviour of SIFCON produced by partial replacemet of cement with Glass powdre and Low tensile strength steel fibre?.International Journal for scitific Research & Development Vol.3 Issuse 06,2015.
  [2] Chiranth Gowda M,Melitia D?Mello ?An Expeerimental Study on SIFCON using M-Sand and partially replacing cement with silica fume?. International Research Journal of Engineering and Technology, Vol 04, Issue 07,2017
  [3] Abineet Bajpai,Rajeev Chandak,? Study of Mechanical Properties of Slurry Infiltrated Fibrous Concrete?, International Journal of Research, Vol 05 Issue 04,2018
  [4] M.Vijaya kumar,P.Dinesh kumar, ?Experimental Study on SIFCON with Glass fiber?, International journal of Engineering Research & Technology ISSN:2278-0181.

  Citation
  Saraswathy, Umamaheswari R., "Flexural Behaviour of SIFCON with steel fibre and Replacement of Cement with Glass Powder," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.62-65, 2020

• Open Access   Article

  Engineering Education Factors and Academic Performance in South-Western Nigerian Universities

  Adanikin A., Adeoye I.A., Adanikin A.F.

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.66-71, Jun-2020

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  Abstract
  Engineering education has remained the substratum of any society as its contributions towards national development cannot be overemphasized. This is evident in the rapid technological innovations and novel solutions achieved by students with excellent academic performance in universities across the globe. However, some factors have inhibited students? academic performance in many developing countries especially in the Nigeria experience. These factors are attributed to parental influence, societal pressures, outdated curriculum, lack of state-of-the-art equipment?s and traditional teaching methods. Based on the aforementioned, this paper examined the effect of engineering education factors on academic performance using a survey research design. Primary method of data collection was utilized for administration of 400 copies of questionnaire amongst final year engineering students in the selected tertiary institution in South West, Nigeria. Data were analyzed using multiple regression and artificial neural network analysis. Multiple regression analysis revealed that engineering education factors significantly affects academic performance (R = 0.713, R2 = 0.508, F = 35.105). However, parental influence (p=0.078) and equipment availability (p =0.687) were found not to have significant effect on the students? academic performance. Artificial neural network analysis further revealed that that lecturers teaching methods has the highest importance (0.437) while equipment?s availability had the least importance (0.050) on the academic performance of the students. It was concluded that engineering educational factors plays a significant role in engendering engineering student performance. The study therefore recommends that an upgrade of the curriculum, innovative teaching methodologies and positive parenting are vital tools for achieving above average learners? academic performance

  Key-Words / Index Term
  Engineering Education, Academic Performance, Curriculum, Teaching Methods, Artificial Neural Network

  References
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  Citation
  Adanikin A., Adeoye I.A., Adanikin A.F., "Engineering Education Factors and Academic Performance in South-Western Nigerian Universities," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.66-71, 2020

• Open Access   Article

  A Naive Bayes Classifier Approach to Incorporate Weather to Predict Congestion at Intersections

  Saurav Barua

  Research Paper | Journal-Paper (WAJES)

  Vol.7 , Issue.2 , pp.72-76, Jun-2020

  Abstract

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  Abstract
  The study endeavored to model the influence of weather phenomena on traffic congestion considering various type and time of days at different intersections in Dhaka city. A Na?ve Bayes Classifier method was adopted to model this causation relation from the field survey data using Scikit-learn software. The data obtained was divided into training and testing dataset. The proposed Na?ve Bayes Classifier model showed 72.25% and 85.03% accuracy in training and testing respectively. The root mean square error (RMSE) and mean absolute error (MAE) of the model were 0.46 and 0.28 respectively. The Na?ve Bayes Classifier model showed good prediction potential to assess the influence of weather condition on traffic congestion. The outcomes of the study can be utilized to develop Traffic Management System (ATMS) and Advanced Traveler Information System (ATIS) for Dhaka city. Hence, the motorists can decide which intersections to travel while route choice in advance and congestion will be reduced consequently

  Key-Words / Index Term
  Traffic congestion, weather condition, Na?ve Bayes Classifier, Scikit-learn, road intersections

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  Citation
  Saurav Barua, "A Naive Bayes Classifier Approach to Incorporate Weather to Predict Congestion at Intersections," World Academics Journal of Engineering Sciences, Vol.7, Issue.2, pp.72-76, 2020