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  Subjects -> ENGINEERING (Total: 2449 journals)
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CIVIL ENGINEERING (208 journals)                  1 2 | Last

Showing 1 - 200 of 208 Journals sorted alphabetically
ACI Structural Journal     Full-text available via subscription   (Followers: 20)
Acta Polytechnica : Journal of Advanced Engineering     Open Access   (Followers: 3)
Acta Structilia : Journal for the Physical and Development Sciences     Open Access   (Followers: 3)
Advances in Civil Engineering     Open Access   (Followers: 41)
Advances in Structural Engineering     Full-text available via subscription   (Followers: 33)
Agregat     Open Access   (Followers: 1)
Ambiente Construído     Open Access   (Followers: 1)
American Journal of Civil Engineering and Architecture     Open Access   (Followers: 35)
Architectural Engineering     Open Access   (Followers: 5)
Architecture and Engineering     Open Access  
Architecture, Civil Engineering, Environment     Open Access  
Archives of Civil and Mechanical Engineering     Full-text available via subscription   (Followers: 3)
Archives of Civil Engineering     Open Access   (Followers: 12)
Archives of Hydro-Engineering and Environmental Mechanics     Open Access   (Followers: 2)
ATBU Journal of Environmental Technology     Open Access   (Followers: 4)
Australian Journal of Structural Engineering     Full-text available via subscription   (Followers: 7)
Baltic Journal of Road and Bridge Engineering     Open Access   (Followers: 1)
BER : Building and Construction : Full Survey     Full-text available via subscription   (Followers: 10)
BER : Building Contractors' Survey     Full-text available via subscription   (Followers: 2)
BER : Building Sub-Contractors' Survey     Full-text available via subscription   (Followers: 2)
BER : Survey of Business Conditions in Building and Construction : An Executive Summary     Full-text available via subscription   (Followers: 3)
Berkeley Planning Journal     Open Access   (Followers: 5)
Bioinspired Materials     Open Access   (Followers: 5)
Bridge Structures : Assessment, Design and Construction     Hybrid Journal   (Followers: 14)
Building & Management     Open Access   (Followers: 2)
Building and Environment     Hybrid Journal   (Followers: 15)
Building Women     Full-text available via subscription  
Built Environment Project and Asset Management     Hybrid Journal   (Followers: 15)
Bulletin of Pridniprovsk State Academy of Civil Engineering and Architecture     Open Access   (Followers: 6)
Canadian Journal of Civil Engineering     Hybrid Journal   (Followers: 13)
Case Studies in Engineering Failure Analysis     Open Access   (Followers: 6)
Case Studies in Nondestructive Testing and Evaluation     Open Access   (Followers: 11)
Case Studies in Structural Engineering     Open Access   (Followers: 9)
Cement and Concrete Composites     Hybrid Journal   (Followers: 20)
Challenge Journal of Concrete Research Letters     Open Access   (Followers: 3)
Challenge Journal of Structural Mechanics     Open Access   (Followers: 5)
Change Over Time     Full-text available via subscription   (Followers: 2)
Civil and Environmental Engineering     Open Access   (Followers: 8)
Civil and Environmental Engineering Reports     Open Access   (Followers: 8)
Civil and Environmental Research     Open Access   (Followers: 17)
Civil Engineering = Siviele Ingenieurswese     Full-text available via subscription   (Followers: 4)
Civil Engineering and Architecture     Open Access   (Followers: 23)
Civil Engineering and Environmental Systems     Hybrid Journal   (Followers: 3)
Civil Engineering and Technology     Open Access   (Followers: 12)
Civil Engineering Dimension     Open Access   (Followers: 11)
Civil Engineering Infrastructures Journal     Open Access   (Followers: 1)
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Composite Structures     Hybrid Journal   (Followers: 290)
Computer-aided Civil and Infrastructure Engineering     Hybrid Journal   (Followers: 11)
Computers & Structures     Hybrid Journal   (Followers: 37)
Concrete Research Letters     Open Access   (Followers: 7)
Construction Economics and Building     Open Access   (Followers: 4)
Construction Engineering     Open Access   (Followers: 11)
Construction Management and Economics     Hybrid Journal   (Followers: 21)
Constructive Approximation     Hybrid Journal  
Curved and Layered Structures     Open Access   (Followers: 3)
DFI Journal : The Journal of the Deep Foundations Institute     Hybrid Journal   (Followers: 1)
Earthquake Engineering and Structural Dynamics     Hybrid Journal   (Followers: 17)
Enfoque UTE     Open Access   (Followers: 4)
Engineering Project Organization Journal     Hybrid Journal   (Followers: 7)
Engineering Structures     Hybrid Journal   (Followers: 13)
Engineering Structures and Technologies     Open Access   (Followers: 2)
Engineering, Construction and Architectural Management     Hybrid Journal   (Followers: 10)
Environmental Geotechnics     Hybrid Journal   (Followers: 5)
European Journal of Environmental and Civil Engineering     Hybrid Journal   (Followers: 10)
Fatigue & Fracture of Engineering Materials and Structures     Hybrid Journal   (Followers: 19)
Frontiers in Built Environment     Open Access   (Followers: 1)
Frontiers of Structural and Civil Engineering     Hybrid Journal   (Followers: 6)
Geomaterials     Open Access   (Followers: 3)
Geosystem Engineering     Hybrid Journal   (Followers: 2)
Geotechnik     Hybrid Journal   (Followers: 4)
Géotechnique Letters     Hybrid Journal   (Followers: 8)
GISAP : Technical Sciences, Construction and Architecture     Open Access  
HBRC Journal     Open Access   (Followers: 2)
Hormigón y Acero     Full-text available via subscription  
HVAC&R Research     Hybrid Journal  
Indonesian Journal of Urban and Environmental Technology     Open Access  
Indoor and Built Environment     Hybrid Journal   (Followers: 3)
Infrastructure Asset Management     Hybrid Journal   (Followers: 3)
Infrastructures     Open Access  
Ingenio Magno     Open Access   (Followers: 1)
Insight - Non-Destructive Testing and Condition Monitoring     Full-text available via subscription   (Followers: 30)
International Journal for Service Learning in Engineering     Open Access  
International Journal of 3-D Information Modeling     Full-text available via subscription   (Followers: 3)
International Journal of Advanced Structural Engineering     Open Access   (Followers: 17)
International Journal of Civil, Mechanical and Energy Science     Open Access   (Followers: 2)
International Journal of Concrete Structures and Materials     Open Access   (Followers: 15)
International Journal of Condition Monitoring     Full-text available via subscription   (Followers: 2)
International Journal of Construction Engineering and Management     Open Access   (Followers: 10)
International Journal of Engineering and Geosciences     Open Access  
International Journal of Geo-Engineering     Open Access   (Followers: 3)
International Journal of Geosynthetics and Ground Engineering     Full-text available via subscription   (Followers: 4)
International Journal of Masonry Research and Innovation     Hybrid Journal   (Followers: 1)
International Journal of Pavement Research and Technology     Open Access   (Followers: 6)
International Journal of Protective Structures     Hybrid Journal   (Followers: 6)
International Journal of Steel Structures     Hybrid Journal   (Followers: 2)
International Journal of Structural Engineering     Hybrid Journal   (Followers: 9)
International Journal of Structural Integrity     Hybrid Journal   (Followers: 2)
International Journal of Structural Stability and Dynamics     Hybrid Journal   (Followers: 7)
International Journal of Sustainable Built Environment     Open Access   (Followers: 5)
International Journal of Sustainable Construction Engineering and Technology     Open Access   (Followers: 8)
International Journal on Pavement Engineering & Asphalt Technology     Open Access   (Followers: 7)
International Journal Sustainable Construction & Design     Open Access   (Followers: 2)
Journal of Applied Research in Water and Wastewater     Open Access   (Followers: 1)
Journal of Bridge Engineering     Full-text available via subscription   (Followers: 13)
Journal of Building Engineering     Hybrid Journal   (Followers: 2)
Journal of Building Materials and Structures     Open Access   (Followers: 2)
Journal of Building Performance Simulation     Hybrid Journal   (Followers: 6)
Journal of Civil Engineering     Open Access  
Journal of Civil Engineering and Construction Technology     Open Access   (Followers: 15)
Journal of Civil Engineering and Management     Open Access   (Followers: 7)
Journal of Civil Engineering and Science     Open Access   (Followers: 9)
Journal of Civil Engineering Research     Open Access   (Followers: 7)
Journal of Civil Engineering, Science and Technology     Open Access   (Followers: 1)
Journal of Civil Society     Hybrid Journal   (Followers: 5)
Journal of Civil Structural Health Monitoring     Hybrid Journal   (Followers: 4)
Journal of Composites     Open Access   (Followers: 78)
Journal of Composites for Construction     Full-text available via subscription   (Followers: 13)
Journal of Computing in Civil Engineering     Full-text available via subscription   (Followers: 23)
Journal of Construction Engineering     Open Access   (Followers: 9)
Journal of Construction Engineering and Management     Full-text available via subscription   (Followers: 17)
Journal of Constructional Steel Research     Hybrid Journal   (Followers: 6)
Journal of Earth Sciences and Geotechnical Engineering     Open Access   (Followers: 4)
Journal of Fluids and Structures     Hybrid Journal   (Followers: 6)
Journal of Frontiers in Construction Engineering     Open Access   (Followers: 2)
Journal of Green Building     Full-text available via subscription   (Followers: 10)
Journal of Highway and Transportation Research and Development (English Edition)     Full-text available via subscription   (Followers: 14)
Journal of Infrastructure Systems     Full-text available via subscription   (Followers: 19)
Journal of Legal Affairs and Dispute Resolution in Engineering and Construction     Full-text available via subscription   (Followers: 5)
Journal of Marine Science and Engineering     Open Access   (Followers: 1)
Journal of Materials and Engineering Structures     Open Access   (Followers: 5)
Journal of Materials in Civil Engineering     Full-text available via subscription   (Followers: 8)
Journal of Nondestructive Evaluation     Hybrid Journal   (Followers: 9)
Journal of Performance of Constructed Facilities     Full-text available via subscription   (Followers: 3)
Journal of Pipeline Systems Engineering and Practice     Full-text available via subscription   (Followers: 6)
Journal of Rehabilitation in Civil Engineering     Open Access   (Followers: 3)
Journal of Solid Waste Technology and Management     Full-text available via subscription   (Followers: 1)
Journal of Structural Engineering     Full-text available via subscription   (Followers: 35)
Journal of Structural Fire Engineering     Full-text available via subscription   (Followers: 6)
Journal of Structural Mechanics     Open Access   (Followers: 1)
Journal of Structures     Open Access   (Followers: 4)
Journal of Sustainable Architecture and Civil Engineering     Open Access   (Followers: 3)
Journal of Sustainable Design and Applied Research in Innovative Engineering of the Built Environment     Open Access   (Followers: 1)
Journal of the Civil Engineering Forum     Open Access  
Journal of the South African Institution of Civil Engineering     Open Access   (Followers: 2)
Journal of Water and Environmental Nanotechnology     Open Access  
Journal of Water and Wastewater / Ab va Fazilab     Open Access  
Jurnal Spektran     Open Access   (Followers: 1)
Jurnal Teknik Sipil     Open Access  
Jurnal Teknik Sipil dan Perencanaan     Open Access   (Followers: 1)
Konstruksia     Open Access  
KSCE Journal of Civil Engineering     Hybrid Journal   (Followers: 2)
Latin American Journal of Solids and Structures     Open Access   (Followers: 4)
Materiales de Construcción     Open Access   (Followers: 1)
Mathematical Modelling in Civil Engineering     Open Access   (Followers: 4)
Media Komunikasi Teknik Sipil     Open Access  
Mokslas – Lietuvos ateitis / Science – Future of Lithuania     Open Access  
Nondestructive Testing And Evaluation     Hybrid Journal   (Followers: 15)
npj Materials Degradation     Open Access  
Obras y Proyectos     Open Access   (Followers: 1)
Open Journal of Civil Engineering     Open Access   (Followers: 9)
Periodica Polytechnica Civil Engineering     Open Access  
Photonics and Nanostructures - Fundamentals and Applications     Hybrid Journal   (Followers: 4)
Practice Periodical on Structural Design and Construction     Full-text available via subscription   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Bridge Engineering     Hybrid Journal   (Followers: 8)
Proceedings of the Institution of Civil Engineers - Civil Engineering     Hybrid Journal   (Followers: 14)
Proceedings of the Institution of Civil Engineers - Management, Procurement and Law     Hybrid Journal   (Followers: 10)
Proceedings of the Institution of Civil Engineers - Municipal Engineer     Hybrid Journal   (Followers: 2)
Proceedings of the Institution of Civil Engineers - Structures and Buildings     Hybrid Journal   (Followers: 3)
Promet : Traffic &Transportation     Open Access  
Random Structures and Algorithms     Hybrid Journal   (Followers: 5)
Recent Trends In Civil Engineering & Technology     Full-text available via subscription   (Followers: 5)
Research in Nondestructive Evaluation     Hybrid Journal   (Followers: 6)
Resilience     Open Access   (Followers: 1)
Revista IBRACON de Estruturas e Materiais     Open Access   (Followers: 1)
Revista Sul-Americana de Engenharia Estrutural     Open Access  
Road Materials and Pavement Design     Hybrid Journal   (Followers: 11)
Russian Journal of Nondestructive Testing     Hybrid Journal   (Followers: 5)
Science and Engineering of Composite Materials     Hybrid Journal   (Followers: 61)
Selected Scientific Papers - Journal of Civil Engineering     Open Access   (Followers: 3)
Slovak Journal of Civil Engineering     Open Access   (Followers: 2)
Soils and foundations     Full-text available via subscription   (Followers: 5)
Steel Construction - Design and Research     Hybrid Journal   (Followers: 3)
Structural and Multidisciplinary Optimization     Hybrid Journal   (Followers: 11)
Structural Concrete     Hybrid Journal   (Followers: 11)
Structural Control and Health Monitoring     Hybrid Journal   (Followers: 8)
Structural Engineering International     Full-text available via subscription   (Followers: 11)
Structural Mechanics of Engineering Constructions and Buildings     Open Access   (Followers: 1)
Structural Safety     Hybrid Journal   (Followers: 6)
Structural Survey     Hybrid Journal  
Structure     Full-text available via subscription   (Followers: 24)
Structure and Infrastructure Engineering: Maintenance, Management, Life-Cycle Design and Performance     Hybrid Journal   (Followers: 12)
Structures     Hybrid Journal   (Followers: 1)
Study of Civil Engineering and Architecture     Open Access   (Followers: 10)
Superlattices and Microstructures     Hybrid Journal   (Followers: 2)
Surface Innovations     Hybrid Journal  
Technical Report Civil and Architectural Engineering     Open Access   (Followers: 1)
Teknik     Open Access  
Territorium : Revista Portuguesa de riscos, prevenção e segurança     Open Access  
The IES Journal Part A: Civil & Structural Engineering     Hybrid Journal   (Followers: 6)

        1 2 | Last

Journal Cover
Journal of Civil Engineering Research
Number of Followers: 7  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2163-2316 - ISSN (Online) 2163-2340
Published by SAP Homepage  [105 journals]
  • Assessing the Adequacy of Welfare Facilities on Construction Sites in
           Ghana

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 3Dok Yen D. M., Nana Tabi K., Adinyira E.Construction workers need adequate facilities such as toilets, washing facilities, places to eat, and storage place for clothing and so on. However, these basic requirements are often neglected or inadequate even where they are provided. The purpose of this paper was to assess the adequacy of welfare facilities on construction sites in Ghana. The population sample for this study consisted of all active construction sites at the Kotoka International Airport (KIA) vicinity. Eighty (89) copies of the questionnaire were administered to permanent workers (respondents) in five (5) construction sites with on-going construction activities for this study. Structured questionnaire and the census sampling technique were used to collect data. Descriptive statistics was employed to analyse primary data into percentages and frequencies. The study revealed that 70% construction sites in Ghana do not provide adequate welfare facilities for their site workers. Inadequate welfare facilities and poor maintenance turn to have negative effects on workers on site. The study recommends that construction firms should be committed to providing adequate welfare facilities at the sites. Clients through their consultants should ensure compliances with health and safety regulations and rules on site before approval is given to start actual construction. Welfare facilities on sites should be properly maintained, adequate number must be provided and the space should be well ventilated. Facilities should be accessible, properly identified, clean and hygienic to use. This research would go a long way to address the problem of inadequate welfare facilities on construction sites in Ghana.
       
  • Determination of Submergence Depth to Avoid Vortices at Horizontal Intake
           Applying Flow-3D Software

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 3Hassan Ahmadi, Erfan RazaviFree surface vortices is considered as one of the problems of the industry in part of flood control (over flow), agriculture, electricity and water supply plants that researchers’ effort in this way represents importance of this issue., it can cause excessive vibration, efficiency loss, structural damage, and also flow reduction in hydro turbines, pumps, Culverts and also can be potential risk and damage factor on the safety of power plants. The most important reasons for using the software FLOW 3D in this thesis is the exact study of intake and making connection between software model and Experimental model. Since software has capability to present velocity distribution in line X Y Z and other hydraulic parameters in point of Critical depth (the first depth into that vortex is not formed). In this thesis presented the Numerical model of horizontal intake with a Plexiglas Reservoir by length and width of 3.1 m and depth of 2.2 m and intake pipes with a radius of 0.3, 0.25, 0.194, 0.144, 0.1, 0.05 m and length of 3 m in determining the required depth of flooding to prevent vortex as software modeling. The results of this study can be used to derive a scrutiny relationship between the depth of flooding in the form of equations of first grade and second grade point. This relationship has been extracted after examining the application output and experimental data in terms of depth flood submergence depth (critical depth), intake diameter, Froude number, the Weber number and Reynolds number.
       
  • Optimum Design Analysis of a Nailed Slope Based on Limit Equilibrium
           Methods: Case Study - Cluj-Napoca Landslide

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 3Anthony Quansah, Flory Raphael Kazadi, Fares Taher Mohammed, Abdulaziz Mohammed AliSlope instability in the form of landslides is a major concern among geotechnical problems due to subsidence of the top soil material. An optimum design of gabion mesh wire with nails fixed into the withholding material is one of the prime solutions to this problem. Therefore, the present study applied this reinforcing solution to a landslide prone site located on the Northern side of Hoia hill in Cluj-Napoca, center of Romania which previously has been deciphered by means of drainage technique solution. The study scope was steered at investigating the optimum length, angle of inclination and profile of nail arrangement on a slope under saturated and unsaturated ground conditions by comparing the output results of Bishop, Janbu, Spencer and Morgenstein Price (GLE) analysis principles in GEO-SLOPE through their factor of safety (FOS) and shear strength. Among these four major methods of analysis, no major differences were found in the location of the slip failure surface but some minor differences were found in their FOS’s & the constituiting material’s contributing strengths like frictional strength. After installation of slope nails, it was found that the maximum FOS is obtained when length of all the nails exceeds the depth of the slip circle and the required length for anchorage section is reached. In setting the nail’s angle of inclination as the parametric study item, the best angle that satisfies LEM was found to be between 20o-40o degrees. But the optimum angle of inclination for LEM was found to be 30o for saturated ground and 40o for unsaturated state. The optimum layout of the soil nail was found to be longer at the top and bottom and shorter in the middle or longer at the bottom and shorter at the top, which is contrary to some researcher’s guidelines for soil nail design during top-down construction.
       
  • Effect of Crushed Tiles Aggregate and Oil Palm Additive on the Strength
           Performance of Concrete

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 2S. O. Osuji, S. A. Adegbemileke, K. AgbonzeThe use of waste material as aggregates in civil engineering applications is beneficial and is becoming increasingly desirable because it reduces the environmental impact and economic cost of quarrying operations, processing, and transportation. Thus, this study focused on establishing the effect of crushed tile and oil palm fibre additive on the compressive and flexural strength of concrete. The mixes were prepared with crushed tile replacement of 0%, 10% and 20%; also 10% and 20% crushed tile replacement with 0.6% oil palm additive were mixed and marked CTL, CT10, CT20, CTA10 and CTA20 respectively. Sieve analysis, aggregate impact value (AIV) and aggregate crushing value (ACV) tests were conducted on the granite and crushed tiles. A total of 45 concrete cube samples (100x100x100 mm) and 15 beam samples (100x100x500 mm) with a mix ratio of 1:2:4 and a water-cement ratio of 0.6 were cast, cured ant tested for their compressive and flexural strength at 7 days, 14 days and 28 days. The compressive strength of the specimens at 7, 14 and 28 days was 18.50, 20.37, and 23.53 N/mm2 for CTL; 27.50, 29.05, and 32.15 N/mm2 for CT10; 27.33, 27.55, and 29.03 N/mm2 for CT20; 18.06, 19.55, and 22.52 N/mm2 for sample CTA10, and 13.53, 15.48, and 19.5 N/mm2 for sample CTA20. The flexural strength at 28 days was 6.25N/mm2, 8N/mm2, 6.5 N/mm2, 6N/mm2 and 4.5N/mm2 for CTL, CT10, CT20, CTA10 and CTA20 respectively. The compressive strength result on concrete revealed that CT10 (i.e 10% crushed tile replacement) produced the highest compressive strength (27.5, 29.054, and 32.15N/mm2) for 7, 14, and 28days. Also CT10 recorded the highest flexural strengths of 8N/mm2 at 28 days. The increase in strength at 10-20% aggregate replacement could be due to the decrease of water in the mix because of the water absorption by the tiles. It is therefore recommended that a partial replacement of coarse aggregate with tiles up to 20% can be added to concrete mix having met the requirements. Also there was a reduction in strength upon the addition of the fibre into the mixes.
       
  • The Tilting Problem of AL- Khulafa Mosque Minaret

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 2Haider M. Mekkiyah, Husam MahdiThe protecting of ancient structures is considered a very important issue as these represents the heritage of the countries. Hence, the performance and the effect of the surroundings changes around such structures have to be understood. In this study, an investigation was performed for the problem of tilting the minaret of the AL-Khulafa mosque in Baghdad, which is tilted about 1.5 m. Detailed geophysical methods were applied to detect the tilting problems of the minaret foundation. Three tests were carried out; ground penetration radar, soil electrical resistivity, crosshole seismic and triaxial tests. The results showed that the water seepage under/around the minaret due to dewatering process around the mosque have a major source for the problem. This groundwater mixed with sewage material, is found to move towards municipality pump that is located nearby the mosque fence within 35 m distance. The tests showed the apparent spread of cavities and soft zones under/around the minaret foundation. Finally, the shape and depth of foundation were able to explore from crosshole test, which is extended to a depth of 8.5 m.
       
  • Relationship between Construction Safety and Foundation Quality
           Performance

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 2Seyed Arash Emrani Zarandi, Mehdi Momeni, Ramin TabatabaeiConstruction due to its situation and required equipment’s is a dangerous job, which every year lots of its workers are hardly injured or even died in whole word. Not only such events result in serious effects on workers and their families’ life, but also effect projects quality and success. Therefore, one of the most important factors which should be considered first in scheduling construction projects is its safety. Our aim in this work is focusing on the safety of construction projects in the city of Kerman. With this aim, a step-by-step statistical analysis is done and some effective parameters are examined to investigate the relationship between safety and construction quality. To measure safety three factors are considered including first-aid and hospitalization injuries, death and changing the job. Information including the overall project cost, the cumulative time, and the completion percentage of projects is also required. Furthermore, for measuring quality which is also called rework, information such as number of defects, cost and workers needed to repairing damages are considered. The data collection method is based on interviewing, questionnaires, field studies and some formulas are used to investigate the relation. Results show that using this model to assess the safety and quality, proves a direct relation between them. It can be proved that by increasing rework, safety risks and injuries are also increased.
       
  • Suitability of Stabilized Pumice for Light-Weight Road Construction: A
           Case of Mbalizi, Mbeya - Tanzania

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 2Hosiana Urio, Benson Rugalema MwemeziThe study was undertaken to investigate the suitability of stabilized volcanic pumice from Mbalizi, Mbeya for construction of light-weight roads. Pumice in Mbeya region are found abundantly and they are not used as road construction material due to their low strength. Preliminary observations indicate that pumice has above average strength and bearing capacity characteristics when used as a wearing course for high traffic volume roads. Determining economical methods of improving the properties of pumice for use as a surface course for light-weight roads would be beneficial to Mbeya region. Test sample of 100Kg was selected purposively from Mbalizi, Mbeya region and sampled for laboratory testing. Laboratory test done included Moisture content test, Sieve analysis, Compact test, Atterbergs' limit test and Compressive strength test. All tests were done according to the laboratory specifications provided by laboratory testing manual and the results obtained were compared with the specifications provided by design manual. Pumice properties such as bulk density, dry density, optimum moisture content, fines modulus and gradation were determined. Thereafter Unconfined Compressive Strength (UCS) cubes of pumice with different percent of stabilizers were casted and tested after three days and seven days of curing. Stabilizers used in stabilizing pumice were cement and lime at different ratios as specified in laboratory testing manual. The first cubes prepared were of 2%, 4%, and 6% of cement stabilizer. The second cubes prepared were of 2%, 4% and 6% of lime stabilizer. The resulting concrete cubes were tested at three and seven days. All tested cubes of both cement and lime showed positive results in compressive strength aspects. Both three and seven days old cubes posted best compressive strength results for 2%, 4% and 6% of cement and lime stabilizer. From the results achieved from concrete cubes shows that the stabilized pumice is suitable to be used in construction of light-weight roads. The recommended mixture to be used in construction of light-weight roads should be of 2% - 4% Pozzolana cement, and 2.5% - 3% lime in the mixture with pumice. Pumice materials should be used for construction of road in order to save other material consumption to reduce land degradation in the view of the availability of pumice materials in Mbeya region.
       
  • Development of Analytical Relationships among Engineering Properties of
           Lateritic Soil as Pavement Materials

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 1Olaniyi Diran Afolayan, Murtadha Adekilekun Tijani, Monsuru Tunde AkinleyeLaterite are soil types with the oxides of iron, aluminum, titanium, zircon, manganese, zinc and Quartz, they very significantly according to their location, climate and depth. Its use as pavement material depends on its index and engineering properties which are obtained experimentally in the laboratory or in-situ. Results on the strength and index properties of laterite as subgrade, sub base and base course material are collected from different geotechnical laboratories indicating the grain size distribution, Atterberg’s limit, Compaction test and the CBR test for the lateritic soil. The obtained equations through the use of SPSS and Least Square regression analysis shows that there exists relations among the engineering properties of laterite with the former producing greater degree of accuracy, more flexibility and higher ease of computation. The application of these statistical tools in determining the engineering properties of lateritic soil will reduce the length of time spent obtaining these properties experimentally; reduction in construction cost and time spent and eliminate errors that are likely to occur during experiments.
       
  • Current Effects of Naphthalene Based Superplasticizer's Addition Process
           on Water Reduction and Grade C20/25 Concrete's Compressive Strength

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 1Sylvester O. Osuji, Dafe IkoghoSuperplasticizer was applied to concrete in two processes: addition of Superplasticizer to 25% of the gauging water adding remaining of gauging water by trials till a constant consistence is reached (CCC process) and by partial reduction of gauging water by amount of superplasticizer added (RGW process). Superplasticizer dosage range tested was limited to the manufacturer’s recommendation between 0% - 2% at 0.5% intervals of the binder mass. A total of 9 concrete mixes were produced, the control being plain concrete designed to attain a C20/25 grade concrete strength at 28days and the other 8 were produced varying only the Superplasticizer and water content. Fresh concrete’s consistence was measured by slump test, water reduction due to SP inclusion was observed and unconfined compressive strength tests performed at 1,7,28 and 56days. The study revealed SNF addition by the two different processes resulted in varying compressive strength development and water reduction recording maximum water reduction and compressive strength gains of 22.9% and 80.2% respectively compared to the control.
       
  • The Properties of Fiber Reinforced Mortar Applied in Decorative Products

    • Abstract: Publication year: 2018Source: Journal of Civil Engineering Research, Volume 8, Number 1Hoang Quoc Vu, Thuy Ninh Nguyen, Nguyen Vo Hoang GiangFiber materials such as glass fiber, polymer or technical textile were used quite popular in the technology of fabricating the building materials with advantageous features as high bending and tensile strength, proper slenderness of panels for practical applications. The research based on reliable results of previous illustrative studies of many groups and authors about the proportion, type of fiber reinforcement; these results were acquired through supplementing many kinds of fiber to mortar mixes at varying content. In the scope of this project, the researches were carried out to investigate the properties of fiber reinforced mortar which use a specific type of glass fiber reinforcement with the content varies within a considerable limit, from 0 to 1.25 percent. The results of verifying the properties of reinforced mortar were used as reference data of the process of producing of decorative panels and the installation on the building. The project aimed to figuring out a calculating model and designing the decorative panels which meet the aesthetic and quality requirements. The fabricating process and the installing of panels was defined and optimized by the practical work.
       
 
 
JournalTOCs
School of Mathematical and Computer Sciences
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