• E. Quezon, A. Ibanez
    American Journal of Civil Engineering and Architecture (2021). vol. 9, no. 1 (2021): 23-33. doi: 10.12691/ajcea-9-1-4.

    Abstract
    This research aims to identify and analyze the various factors affecting construction labor productivity covering the period from December 9, 2020, to January 31, 2021, [...]

  • A. Mulatu, E. Quezon, O. Gudina
    Australian Journal of Civil Engineering (Select a year). Adamu Mulatu , Emer Tucay Quezon & Oluma Gudina (2020): Evaluation of the HMA performance using combined effects of marble waste dust filler and superpave aggregate gradation, Australian Journal of Civil Engineering. 12(1); 1-11, Doi: 10.1080/14488353.2020.1854942

    Abstract
    During the fabrication of new products, a variety of wastes discharged and stored by causing harsh environmental problems. The marble processing plant is amongst the industrial [...]

  • B. Tadele, E. Quezon
    Australian Journal of Civil Engineering (2021). Biruk Tadele & Emer Tucay Quezon (2021): Evaluation of waste engine oil rejuvenation for highly short term aged asphalt binder, Australian Journal of Civil Engineering, DOI: 10.1080/14488353.2021.1896124

    Abstract
    The aging property of the asphalt binder is time-dependent. A time-dependent short-term aging property of 80/100 penetration grade bitumen and the possibility of waste engine [...]

  • T. Bakala, E. Quezon, M. Yasin, S. contributions
    Journal of Engineering Research and Reports (2021). Tariku Tafari Bakala, Emer Tucay Quezon and Mohammed Yasin. Statistical Analysis on Shear Strength Parameter from Index Properties of Fine-grained Soils. Journal of Engineering Research and Reports. 2021; 20(4): 15-28. DOI: 10.9734/JERR/2021/v20i417291

    Abstract
    Shear strength is the essential engineering property of soil required to analyze and design foundations, retaining walls, bridges, embankment, and related infrastructure. [...]

  • S. Assen, E. Quezon
    American Journal of Civil Engineering and Architecture (2019). Seada Mohammed Assen, and Emer Tucay Quezon, “Model-Based Urban Road Network Performance Measurement Using Travel Time Reliability: A Case Study of Addis Ababa City, Ethiopia.” American Journal of Civil Engineering and Architecture, vol. 7, no. 5 (2019): 202-207. doi: 10.12691/ajcea-7-5-2.

    Abstract
    In heterogeneous traffic conditions, the performance of the road network is described by vehicles and driver characteristics. Nowadays, traffic congestion, delay, and unreliability [...]

  • S. Leleisa, E. Quezon, T. Wedajo
    American Journal of Traffic and Transportation Engineering (2018). Sentayehu Leleisa, Emer Tucay Quezon, Teyba Wedajo. Performance Evaluation of Grade Separation Within the Selected Major Intersection in Addis Ababa City. American Journal of Traffic and Transportation Engineering. Vol. 3, No. 3, 2018, pp. 41-49. doi: 10.11648/j.ajtte.20180303.11

    Abstract
    Urban City Traffic Management introduced various remedies to decongest traffic and to reduce the severity of accidents, such as providing traffic signal controls at the intersecting [...]

  • . Abstract, E. Quezon
    Proceedings of the 2nd Annual Ethiopian Road Safety (RSC2018) (2018). Seifeddin Haji, Prof. Emer T. Quezon, Murad Mohammed, Biruk Yigezu. Traffic Safety Evaluation on Urban Road Un-signalized Intersection using Proactive Approach: A Case Study in Adama City. Proceedings of the 2nd Annual Ethiopian Road Safety (RSC2018) Addis Ababa, Ethiopia, August 23-24, 2018

    Abstract
    Deaths and injuries as a result of road accidents are a recognized global problem and authorities are aware of the consequences this global phenomenon might lead to. Because [...]

  • H. Alemgena, P. Quezon, T. Kumela, E. Quezon
    International Journal of Engineering and Technical Research (2018). Alemgena, H.; Quezon, ET.; Kumela, T. Investigation of Pedestrian Safety Problems and Its Countermeasures: A Case Study in Nekemte City, Ethiopia. International Journal of Engineering and Technical Research. 2018; 8(2): 58-64

    Abstract
    The actual growth of urban economic activities and simple movements of peoples and goods measured through its primary transport system. The requirements of the pedestrian [...]

  • S. Wayessa, E. Quezon, T. Kumela
    Journal of Civil, Construction and Environmental Engineering (2017). Shiferaw Garoma Wayessa, Emer Tucay Quezon, Tarekegn Kumela. Analysis of Stress- Strain and Deflection of Flexible Pavements Using Finite Element Method Case Study on Bako-Nekemte Road. Journal of Civil, Construction and Environmental Engineering. Vol. 2, No. 4, 2017, pp. 100-111. doi: 10.11648/j.jccee.20170204.11

    Abstract
    In Ethiopia, the failure of roads is before the handover period. Most roads found in Ethiopia are flexible pavements. Nowadays, the failure of the surface of flexible pavement [...]

  • G. Danbala, E. Quezon, G. Kebede
    American Journal of Civil Engineering and Architecture (2019). Guyo Konso Danbala, Emer Tucay Quezon, and Getachew Kebede, “Calcined Termite Hill Clay Powder: As Partial Cement Replacement in Production of C-25 Grade Concrete.” American Journal of Civil Engineering and Architecture, vol. 7, no. 3 (2019): 128-134. doi: 10.12691/ajcea-7-3-2.

    Abstract
    Cement is one of the components of concrete plays a great role in the construction industry. Nevertheless, it is the most expensive and environmentally unfriendly material. [...]

  • F. Wagaw, P. Quezon, A. Geremew, E. Quezon
    The International Journal of Engineering and Science (2018). Fisseha Wagaw, Prof. Emer Tucay Quezon, Anteneh Geremew. Evaluation of the Performance of Brick Dust as a Filler Material for Hot Asphalt Mix Design: A Case Study in Jimma Zone. The International Journal of Engineering and Science. 2018; 7(3): 64-72. DOI:10.9790/1813-0703026472

    Abstract
    A bituminous paving mixture is a mixture of coarse aggregate, fine aggregate, and bitumen mixed in suitable proportion to result in a strong and durable mix in order to withstand [...]

  • International Journal of Scientific & Engineering Research (2016). Tarekegn Kumala, Prof. Emer T. Quezon, Bogale Shiferaw. Effect of Cycle Time and Signal Phase on Average Time Delay, Congestion and Level of Service: A Case Study at Hager Astedader Signalized Intersection in Addis Ababa. International Journal of Scientific & Engineering Research. 2016; 7(10): 524-530.

    Abstract
    High urbanization rate and Economic development have caused many challenges to transportation systems. Among these, long time delay and high fuel consumption of vehicles at [...]

  • D. Abdella, T. Abebe, P. Quezon, E. Quezon
    GSJ (2017). Dino Abdella, Tadesse Abebe, Prof. Emer Tucay Quezon. Regression Analysis of Index Properties of Soil as Strength Determinant for California Bearing Ratio (CBR). GSJ. 2017; 5(6): 1-12

    Abstract
    Investigation of the variation in different soil types and origins is an essential task for Geotechnical engineers. To overcome the effects of this change, the Geotechnical [...]

  • GJS (2017). Galeta Chala, Prof. Emer Tucay Quezon, Tarekegn Kumela. Effects of human behaviors and geometric factors in road traffic accidents: a case study along Sululta-Fiche road, Ethiopia. GSJ: 2017; 5(11). 163-172

    Abstract
    A road traffic accident was one of the severe problems which are affecting once’s a country and leading to death, injuries and property damage resulted in economic loss. [...]

  • M. Gurara, K. Getachew, E. Quezon, E. Quezon
    International Journal of Engineering Research & Technology (2017). Mikiyas. J Gurara, Kabtamu Getachew, Emer Quezon. Effectiveness of using Geosynthetic Material for Improvement of Road Construction and Performance - Case Study on Adis Ababa. International Journal of Engineering Research & Technology. 2017; (6)2: 640-642

    Abstract
    The research is concerned with the Effectiveness of geosynthetic to improve the performance of the pavement. It has been done on road construction projects under Addis Ababa [...]

  • International Journal of Scientific & Engineering Research (2016). Yonas Ketema, Prof. Emer T. Quezon, Getachew Kebede. Cost and Benefit Analysis of Rigid and Flexible Pavement: A Case Study at Chancho –Derba-Becho Road Project. International Journal of Scientific & Engineering Research. 2016; 7(10): 181-188

    Abstract
    Road construction projects have been implemented all over Ethiopia as part of the national development plan. Roads are one of the country’s basic infrastructural facilities [...]

  • A. Dunffa, E. Quezon, E. Agon
    American Journal of Civil Engineering (2017). Anwar Kassahun Dunffa, Emer Tucay Quezon, Elmer De Castro Agon. Comparative Study of Labor-Based Method and Machine-Based Method at Rural Road Construction and Maintenance in Jimma Zone, Oromia Region, Ethiopia. American Journal of Civil Engineering. Vol. 5, No. 4, 2017, pp. 212-219. doi: 10.11648/j.ajce.20170504.13

    Abstract
    The construction of physical infrastructure is contributory to poverty alleviation in every country. The road is one of the major components which is very significant in Ethiopia [...]

  • Y. Mamuye, E. Quezon, A. Geremew
    GSJ (Select a year). Yibas Mamuye, Emer Tucay Quezon, Anteneh Geremew. Combined Effects of Molasses-Lime Treatment on Poor Quality Natural Gravel Materials Used for Sub-Base and Base Course Construction. GSJ: V2018; 6(7): 621-633

    Abstract
    At the time of industrial development, the production of large amounts of wastage required proper disposal. To reduce the disposal problem, utilization of wastage in construction [...]

  • International Journal of Scientific & Engineering Research (2017). Damtew Tsige, Prof. Emer T. Quezon, Dr. Kifle Woldearegay. Geotechnical Conditions and Stability Analysis of Landslide Prone Area: A Case Study in Bonga Town, South-Western Ethiopia. International Journal of Scientific & Engineering Research. 2017; 8(4): 239-248

    Abstract
    There were several slides and associated ground subsidence which brought significant impact on the cracking of walls and floor of several private and governmental buildings [...]

  • International Journal of Scientific & Engineering Research (2017). Abenezer Takele, Emer T. Quezon, Tadesse Abebe. Investigation of the Damping Ratio and Shear Modulus of Soil along Light Rail Transit Route in Megenagna-Hayat Road. International Journal of Scientific & Engineering Research. 2017; 8 (1):111-122

    Abstract
    Soil vibration may also cause by the movement of heavy vehicles and train, which affect adjacent structures along the route. The response of soils for incoming vibration from [...]

  • International Journal of Scientific & Engineering Research (2017). Amare, Y.; Quezon, ET.; Busier, M. Causes of Delays During Construction Phase of Road Projects due to the Failures of Contractor, Consultant, and Employer in Addis Ababa City Road Authority. International Journal of Scientific & Engineering Research. 2017; 8(3): 15-25.

    Abstract
    Construction delay considered as one of the most recurring problems in the implementation of construction projects. It is widely known to have an adverse impact on project [...]

  • A. Achalu, E. Quezon, G. Macarubbo
    Effect of Time Duration by Vibrating or Tamping Fresh Concrete on the Compressive Strength (Select a year). Afework Achalu, Emer Tucay Quezon, Gerry Bangayan Macarubbo. A Study on the Effect of Time Duration by Vibrating or Tamping Fresh Concrete on the Compressive Strength of C-25 Concrete. American Journal of Construction and Building Materials. Vol. 2, No. 2, 2017, pp. 40-47. doi: 10.11648/j.ajcbm.20170202.11

    Abstract
    Many years ago, consolidation accomplished by laborers wielding a variety of spades, tampers, and similar tools. In Ethiopia, there is no enough knowledge by the laborers, [...]

  • International Journal of Scientific & Engineering Research (2016). Zenebe, E.; Quezon, ET.; Mosisa, A. Contract claim Analysis on Building Construction Project in Addis Ababa: A case study at Yeka Sub City. International Journal of Scientific & Engineering Research. 2016; 7(7): 1154-1160

    Abstract
    Contract claims are an inevitable fact of life in the construction industry. Contract claims are one of the problems that construction projects may face. Claims might cause [...]

  • International Journal of Scientific & Engineering Research (2016). Fekele, L.; Quezon, ET.; Macarubbo, YC. Evaluation of Health and Safety Practice in Building Construction: A Case Study in Addis Ababa. International Journal of Scientific & Engineering Research. 2016; 7(10): 122-131

    Abstract
    The construction industry has been seen as one of the hazardous industries. This is because the industry has a poor health and safety performance record compared to other [...]

  • International Journal of Scientific & Engineering Research (2016). Befkadu, A.; Quezon, ET.; Busier, M. Assessment on the effects of weather change on road construction planning at some selected projects in Addis Ababa and Oromia. International Journal of Scientific & Engineering Research. 2016; 7(12): 134-145.

    Abstract
    Road construction in Ethiopia is in high demand to meet its short and long-term goals in infrastructure development programs. The road network is constructed radiating outwards [...]

  • International Journal of Scientific & Engineering Research (2016). BinyamLetarge, Emer T. Quezon, Yolente C. Macarubbo. Evaluation on the Performance of Lowest Responsive Bid Contract and the Quality of Materials Used on Governmental Building Projects in Jimma Town. International Journal of Scientific & Engineering Research. 2016; 7(12): 60-73

    Abstract
    Construction industry participants have started recognizing that accepting the least bid price does not guarantee maximum value. Continuous problems of inferior quality of [...]

  • P. Quezon, E. Quezon
    International Journal of Advanced Research in Engineering and Applied Sciences (2019). Worku Firomsa, Prof. Emer Tucay Quezon; (2019). “PARAMETRIC MODELLING ON THE RELATIONSHIPS BETWEEN ATTERBERG LIMITS AND COMPACTION CHARACTERISTICS OF FINE-GRAINED SOILS.” International Journal of Advanced Research in Engineering and Applied Sciences, 8(7), 1-20. https:// www.garph.co.uk

    Abstract
    Compaction is one of the essential engineering techniques, performed to assure the stability of soils based on specified strength. However, in most construction projects such [...]

  • A. Achalu, E. Quezon, G. Macarubbo
    American Journal of Applied Scientific Research (2017). Vol. 3, No. 6: pp. 72-79. doi: 10.11648/j.ajasr.20170306.11

    Abstract
    Many years ago, consolidation accomplished by laborers wielding a variety of spades, tampers, and similar tools. In Ethiopia, there is no enough knowledge by the laborers, [...]

  • International Journal of Scientific & Engineering Research (2016). Anteneh Geremew, Prof. Emer T. Quezon, Getachew Kebede. Influence of Subsurface Courses Materials On Pavement Performance: A Case Study in Yebu-Agaro Road. International Journal of Scientific & Engineering Research. 2016; 7(10): 1252- 1260.

    Abstract
    The properties of subsurface materials would vary from place to place while it is true the performance of pavement along the route also differs. The research study had been [...]

  • E. (MSc), P. (MSc), E. Quezon
    World Journal of Engineering Research and Technology (2018). Eyob Mekonnen (MSc), Prof. Emer Tucay Quezon and Murad Mohammed (MSc). Investigation of Traffic Accident Prone Areas Related to Existing Road Condition and Driver’s Behavior along Menagesha- Ambo Road Section. World Journal of Engineering Research and Technology. wjert, 2018, Vol. 4, Issue 2, 64-81

    Abstract
    Traffic accidents worldwide are increasing due to pragmatic vehicle ownership, acquisition, which necessitates daily activities. The primary objective of this research work [...]

  • Global Scientific Journals (2017). Almaz Ejeta, Emer Tucay Quezon, Kabtamu Getachew. Engineering Properties of Mechanically Stabilized Subbase Material Using Natural Gravel around Jimma Quarry Sites for Unpaved Road Construction. Global Scientific Journals. GSJ: 2017; 5(5): 93-102

    Abstract
    Unpaved roads are designed with a small input and are constructed from the nearest available materials as possible. It requires routine and periodic maintenance, and its condition [...]

  • E. Esho, E. Quezon
    International Journal of Research - Granthaalayah (2019). Edire Erko Esho, Prof. Emer Tucay Quezon, and Democracy Dilla. (2019). “Effects of Mechanically Stabilized Graded Assorted Coarse-Grained Soils in the Performance of Unpaved Road: A Case Study in Goffa Zone, Sawla Area.” International Journal of Research - Granthaalayah, 7(8), 133-156. https://doi.org/10.5281/zenodo.3380234

    Abstract
    Road network development in Ethiopia is booming, radiating from Addis Ababa towards NorthSouth directions, and East-West directions, due to the good economic growth of the [...]

  • International Journal of Scientific & Engineering Research (2016). Gashaw Fekadu, Prof. Emer T. Quezon. Identification of Road Traffic Accident Blackspot locations and its countermeasures in Oromia Region, East Wollega Zone. International Journal of Scientific & Engineering Research. 2016; 7(10): 1372-1379

    Abstract
    One of the inputs for the economic development of a country is the expansion of the road network, which is important for the transportation of people and freights from place [...]

  • E. Haile, E. Quezon, G. Kebede
    American Journal of Civil Engineering and Architecture (2019). Elshaday Haile, Emer Tucay Quezon, and Getachew Kebede, “Investigation on the Suitability of Waste Plastic Bottle as Partial Replacement of Sand in a Cement Tile Production.” American Journal of Civil Engineering and Architecture. 2019; 7(3): 121-127. Doi: 10.12691/ajcea-7-3-1.

    Abstract
    The rapid growth of the world's construction industry is profoundly affecting the cost of construction materials, as well as the natural resources required to produce [...]

  • International Journal of Scientific & Engineering Research (2016). Melese Mengistu, Prof. Emer T. Quezon, Getachew Kebede. Assessment of Factors Affecting Labor Productivity on Road Construction Projects in Oromia Region, Bale Zone. International Journal of Scientific & Engineering Research. 2016; 7(11): 899- 910.

    Abstract
    Road construction in Ethiopia is booming and radiating from Addis Ababa towards North-East and East-West directions to fulfill its long-term development program. Transportation [...]

  • International Journal of Scientific & Engineering Research. (2017). Teyba Wedajo, Emer T. Quezon, Murad Mohammed. Analysis of Road Traffic Accident Related of Geometric Design Parameters in Alamata-Mehoni- Hewane Section. International Journal of Scientific & Engineering Research. 2010; 8(1): 874- 881.

    Abstract
    Geometric design deficiencies on existing roads would lead to a potential accident, such as an accident that happens at the sharp curves, layered pavement conditions, and [...]

  • M. Hiwot, P. Quezon, G. Kebede, E. Quezon
    Global Scientific Journals (2017). Miskir Gebre Hiwot, Prof. Emer Tucay Quezon, Getachew Kebede. Comparative Study on Compressive Strength of Locally Produced Fired Clay Bricks and Stabilized Clay Bricks with Cement and Lime. Global Scientific Journals. GSJ: 2017; 5(12): 147- 157.

    Abstract
    The local fired brick production technique is the known method of brick making, especially in Jimma Town. Firing of bricks in local brick production method is conducted by [...]

  • International Journal of Scientific & Engineering Research (2017). Bewket Aynetaw, Prof. Emer Tucay Quezon, Tarekegn Kumela. Evaluation on the Operational Characteristics of Gerji-Imperial Roundabout: A Case Study in Addis Ababa. International Journal of Scientific & Engineering Research. 2017; 8(12): 1002-1009.

    Abstract
    Highly congested roundabouts are usually considered as the critical points within the urban road network and the evaluation of their performance provides valuable understanding [...]

  • R. Mesfun, P. Quezon, A. Geremew, E. Quezon
    International Journal of Research - Granthaalayah (2019). Robel Tewelde Mesfun, Prof. Emer Tucay Quezon, and Anteneh Geremew. (2019). “EXPERIMENTAL STUDY OF STABILIZED EXPANSIVE SOIL USING PUMICE MIXED WITH LIME FOR SUBGRADE ROAD CONSTRUCTION.” International Journal of Research - Granthaalayah, 7(7), 118-124. https://doi.org/10.5281/zenodo.3355594

    Abstract
    Unsuitable soil materials along the alignment of road projects have a significant influence on planning, design, construction, and maintenance. Expansive soils are susceptible [...]

  • Seifeddin Haji, MSc; Prof. Emer T. Quezon, P.Eng; Murad Mohammed, MSc; Biruk Yigezu, MSc. Traffic Safety Evaluation on Urban Road Un-Signalized Intersection using Proactive Approach: A Case Study in Adama City. Proceedings of the 2nd Annual Ethiopian Road Safety (RSC2018). Addis Ababa, Ethiopia, August 23-24, 2018

    Abstract
    Deaths and injuries as a result of road accidents are a recognized global problem and authorities are aware of the consequences this global phenomenon might lead to. Because [...]

  • A. W/amanuel, E. Quezon, M. Busier
    American Journal of Civil Engineering and Architecture (2018). Abrham Hawaz W/amanuel, Emer Tucay Quezon, and Mamuye Busier, “Effects of Varying Dosage Replacement of Cement Content by Animal Bone Powder in Normal Concrete Mix Production.” American Journal of Civil Engineering and Architecture, vol. 6, no. 4 (2018): 133-139. doi: 10.12691/ajcea-6-4-1.

    Abstract
    Cement being the main constituent of concrete plays a vital role in concrete production. In Ethiopia, cement consumption has grown well with a growth rate of about 16.1% per [...]

  • W. Ararsa, E. Quezon, A. Aboneh
    American Journal of Civil Engineering and Architecture (2018). Woyesa Ararsa, Emer Tucay Quezon, and Abraham Aboneh, “Suitability of Ambo Sandstone Fine Aggregate as an Alternative River Sand Replacement in Normal Concrete Production.” American Journal of Civil Engineering and Architecture, vol. 6, no. 4 (2018): 140-146. doi: 10.12691/ajcea-6-4-2.

    Abstract
    Technical experts in construction industries are trying to improve the quality, ease of using materials in different forms, and increasing structure performance. However, [...]

  • S. Molla, E. Quezon, E. Mekonnen, W. Ararsa
    Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University (2020). Serkalem Molla, Emer T. Quezon, Eyob Mekonnen, Woyesa Ararsa, Dumesa Gudissa and Anteneh Tibebu. Factors Affecting the Performance in the Implementation of Government Building Construction Projects: A Case Study in Bole Sub- City of Addis Ababa. Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University. 2020; 14(11): 247- 256. https://doi.org/10.37896/jxu14.11/020

    Abstract
    Building project implementation has so many issues and complex performance, such as time, cost, quality, and safety. This study identified and assessed the essential factors [...]

  • World Journal of Engineering Research and Technology (2018). Yomiyu Reta, Prof. Emer Tucay Quezon and Tarekegn Kumela. Experimental Study on the Use of Reclaimed Asphalt Pavement as Base Course Materials through Blending with Crushed Stone Aggregates. World Journal of Engineering Research and Technology. 2018; 4(2): 126-167

    Abstract
    Overlay and maintenance resolve medium distress, but reconstruction may feasible and economical while Asphalt pavement are badly deteriorated with time and traffic. This requires [...]

  • B. Yohannes, E. Quezon, M. Tsegaye
    American Journal of Civil Engineering and Architecture (2020). Bereket Yohannes, Emer T. Quezon, and Markos Tsegaye, “Evaluation on the Potential Use of Pulverized Natural Subbase Dust as Alternative Filler Material for Hot Mix Asphalt Design, Jimma Town.” American Journal of Civil Engineering and Architecture, vol. 8, no. 2 (2020): 62-77. doi: 10.12691/ajcea-8-2-6.

    Abstract
    A well-designed asphalt mixture is expected to serve effectively for many years under a variety of loading and environmental conditions. Bituminous concrete is one of the [...]

  • G. Chala, P. Quezon, E. Mekonnen, W. Ararsa, E. Quezon
    International Journal of Research - Granthaalayah (2020). Galeta Chala, Professor Emer Tucay Quezon, Eyob Mekonnen, and Woyesa Ararsa. (2020). “EFFECTS ON MODIFIED PROPERTIES OF EXPANSIVE CLAY SOIL USING WASTE HOLLOW CONCRETE BLOCK (HCB) AND CEMENT PLASTER WASTE MATERIALS FOR SUBGRADE CONSTRUCTION.” International Journal of Research - Granthaalayah, 8(3), 342-347. https://doi.org/10.5281/zenodo.3742944.

    Abstract
    Expansive soils characterized by changing its volume and strength due to seasonal variations. Due to this volume changes, expansive clay soil caused many problems in road [...]

  • Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University (2020). Alsen Fromsa, Woyesa Ararsa, Emer T. Quezon. Effects of Poor Workmanship on Building Construction and Its Implication to Project Management Practice: A Case Study in Addis Ababa City. Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University. 2020; 14(9): 1174-1188. Doi: 10.37896/jxu14.9/128

    Abstract
    sup>— The construction of building structure involves very complicated undertakings. It requires a trained workforce at the design stage, approval process, supervision, [...]

  • D. Kifile, E. Quezon, A. Tesfaye
    Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University (2020). Destaw Kifile, Emer Tucay Quezon, Abel Tesfaye. Effect of Partial Replacement of Crushed Stone Dust Filler with Waste Glass Powder in Hot Mix Asphalt Concrete Production. Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University. 2020; 14(9): 578- 587. Doi: 10.37896/jxu14.9/060

    Abstract
    The use of waste recycled materials in road construction nowadays is considered a positive means of providing improved pavement performance. This research focused on evaluating [...]

  • H. Kassu, E. Mekonnen, D. Gudissa, E. Quezon
    Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University (2020). Hailemariam Kassu, Eyob Mekonnen, Dumesa Gudissa and Emer T. Quezon. Correlation Analysis of Factors Affecting Shoring Construction Techniques in Central Business District of Addis Ababa, Ethiopia. Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University. 2020; 14(10): 692-706. https://doi.org/10.37896/jxu14.10/074

    Abstract
    Recent urbanization of central parts of Addis Ababa has necessitated the use of deep excavations for the foundation of highrise buildings and related infrastructure projects. [...]

  • American Journal of Civil Engineering and Architecture (2020). Hanna Mengistu; Emer Tucay Quezon; Markos Tsegaye and Tegegn Markos. Expert Choice-Based Approach on Analytical Hierarchy Process for Pavement Maintenance Priority Rating Using Super Decision Software in Addis Ababa City, Ethiopia. American Journal of Civil Engineering and Architecture. 2020; 8(3): 105-118. Doi:10.12691/ajcea-8-3-4

    Abstract
    Untimely maintenance activities resulting from budget fluctuations and improper prioritization can lead to further pavement deterioration. Selecting the most cost-effective [...]

  • S. Belay, E. Quezon, A. Geremew
    Jordan Journal of Civil Engineering (2021). Sinishat Belay, Emer Tucay Quezon and Anteneh Geremew. Effect of Selected Conventional and Non-Conventional Mineral Fillers with Enset Fibers on Compaction Characteristics of Stone Mastic Asphalt Pavement (SMAP). Jordan Journal of Civil Engineering. 2021; 15(1): 30-40

    Abstract
    The content and type of ingredient materials are used to prepare the asphalt mix to affect the pavement surface's quality. This study aimed to investigate the compaction [...]

  • L. Gonfa, E. Geremew, E. Quezon
    Journal of Civil Engineering, Science and Technology (2020). Lami Gonfa, Emer Tucay Quezon and Anteneh Geremew. Experimental Study on Application of Marble Waste as Conventional Aggregate for Base Course Materials. Journal of Civil Engineering, Science and Technology. 2020; 11(2): 144- 163. Doi: 10.33736/jcest.2337.2020

    Abstract
    Recently, highway and construction industries utilize a substantial quantity of conventional aggregates. The increasing demands for conventional aggregate cause an increase [...]

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    Abstract
    In highway construction projects, labor-oriented work is an integral part of the management process, requiring analysis of factors affecting labor productivity during the [...]

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