Postgraduate Project Topics, Thesis and Dissertation
9881. Assessment Of Surface Water Potential To Manage Frequent Drought Disaster (a Case Of Dhas District In Borana Zone Of Oromia Region Ethiopia)
The study was conducted in Dhas district, which is located in Borana Zone ofrnOromia region; geographically it is situated 4.00rnorn-4.39rnornN and 38.39rnorn-39.46rnorn E with rnaltitude range of 1082 – 1666m a.m.s.l. Total area of the district is 3,183.22kmrn2rn; its rnlength from West to...
9882. Wetlands As Nature Based Solutions For In Situ Water Purification The Case Of Urban Wetlands Jimma Ethiopia
Nature provides valuable solution to tackle different socio- environmental challenges. Wetlandsrnhave a potential to purify water which is mainly influenced by its hydro-system, includingrnlandform setting and the water regime, and different biogeochemical processes. In East Africa,rnit’s...
9883. Assessment Of Stormwater Drainage System In Assosa Town
Urbanization is one of the key factors that contribute to urban flooding, which has caused majorrndestruction to the environment, public and private buildings and disrupts public life. Inrnparticular, the increase in population and building density influence the change in...
9884. Critical Buckling Load And Effective Length Of Concrete Filled Steel Tube Column (cfst)
The effective length and critical buckling load of concrete filled steel tube (CFST) columnsrnare the two key parameters to determine its ultimate strength for engineering design.rnDesign codes such as Euro codes and others have limitations regarding to critical bucklingrnload and effective length...
9885. Experimental Study In To Passive Auto-tuning Compound Pendulum Mass Damper
Now a days, the numbers of taller and lighter structures are continuously increasing in thernconstruction industries which are flexible and having a very low damping value. Thosernstructures can easily fail under structural vibrations induced by earthquake and wind.rnTherefore several techniques...
9886. Optimized Design Of Spherical Dome With Sky Light (using Compatibility Method Of Analysis)
Reinforced concrete thin Spherical dome shell roof structure construction for top covering ofrncontainment structures, memorial buildings, meeting halls, mosques and cathedral churches isrnin continuous demand in developing countries, like Ethiopia. Due to its strength, economy,rncontainment of...
9887. Post-tensioning Concrete Flat Slab Design For Buildings Construction Practice And Prospects In Ethiopia
It‟s been a decade since post-tension system began to be applied in earnest to buildingsrnworldwide. In the meantime, post-tension system has been used in various buildings as mainrnstructural system including tall buildings and it plays a role to overcome architectural limit ofrnregular...
9888. Assessment Of Association Between Parental Feeding Practice And Children Eating Behavior Among Preschool Children In Addis Abeba.
Background: Low and middle-income countries are facing both extremes of public health nutrition problems. Despite the well-established risk factors of mal-nutrition, individual differences in eating behaviors may contribute to the existing variation in nutritional status. Eating behaviors are...
9889. Parametric Analysis Of Natural Draft Hyperbolic Cooling Tower Under Seismic Load
Hyperbolic cooling towers are large, thin shell reinforced concrete structures whichrncontribute to environmental protection and to power generation efficiency and reliability.rnThey may be subjected to a variety of loading conditions such as self-weight, wind,rnearthquake, temperature and...
9890. Effect Of Shear Wall Area To Floor Area Ratio On The Seismic Response Of Reinforced Concrete Buildings
An analytical study is performed to assess the effect of different shear wall area to floor arearnratios on the response of high rise reinforced concrete buildings under earthquake loading. Inrnorder to achieve this a total of 116 building models that have 8, 15, 20, 25, 30, 35 and 40rnnumber of...
9891. Assessment Of Locally Produced Mechanical Coupler And Traditional Reinforcement Splice System In Building Construction
High compression loads are well sustained by concrete elements, while tensile loads are poorlyrntolerated. Therefore, reinforcing steel bars of various standard sizes and lengths are used for therndesign of reinforced concrete structures. Manufacturing, fabrication, and transportation...
9892. Comparative Study On Bond Behavior Of Structural Concrete Made Of Scoria Aggregates
Scoria aggregate is one of the most widely found natural lightweight materials in Ethiopia. Thisrnresearch compares the bond behavior of reinforced concrete, produced by scoria aggregates withrnnormal-weight aggregate concrete. In this study, pull-out tests were performed on cubicrn(150x150x150mm)...
9893. Experimental Investigation On Compression Tension And Flexural Strength Of Jute Fiber Reinforced Concrete
This paper presents experimental investigation of mechanical properties of jute fiber reinforcedrnconcrete. Compressive,Splitting tensile and Flexural test were performed with a jute fiber volumernfraction ranging from 0.5 – 2%, 15cm fiber length and Aspect ratio(D/L) of 0.00066mm. A total...
9894. Size Effect On Shear Behavior Of Reinforced Concrete Beams With Shear Reinforcement
Past experimental researches showed that as the beam depth increases, there is arnsignificant decrease on the shear stress capacity of reinforced concrete beams withoutrnshear reinforcement. This trend is called size effect. Since most beams contain at leastrnminimum shear reinforcement as required...
9895. Analysis Of Steel Frames Under Seismic Loads Accounting For Imperfections
The study presented here is focused on the seismic analysis of moment-resisting steelrnframes accounting for imperfections. Geometrical and material nonlinear effects arernconsidered in the modeling of steel frames. The objectives of this research are to identifyrnthe main parameters affecting the...
9896. Performance Evaluation Of Reinforced Concrete Bridges Without Plans A Case Study On The Assessment Of Koka Bridge
In Ethiopia, reinforced concrete bridges that were constructed in the early and midrnof 20rnth rncentury exist in large numbers and are still in service. Due to the changingrnnature of vehicular load supported by these bridges and frequent permit trucksrnusing the bridges, assessment of bridges to...
9897. Increasing Compressive Strength Property Of Bagasse Ash Blended Concrete By Using Chemical Activator (naso4)
The use of sugar cane bagasse ash is being studied for application in the constructionrnindustry because of its technical, economic and to a large extent, environmentalrnadvantages. This study has investigated the improvement of early strength development ofrnconcrete containing bagasse ash by...
9898. A Nonlinear Inelastic Numerical Analysis Tool For Circular Concrete-filled Steel Tubular Columns And Beamcolumns
The overall objective of this study is to develop fast, simple and accurate numericalrnanalysis tool to investigate the non-linear inelastic response of circular CFT columns andrnbeam-columns subjected to eccentric compressive loading. This thesis presents arnsystematic development of new numerical...
9899. Member Size And Coarse Aggregate Size Effect On Bond Strength Of A Reinforced Concrete Member
The utilization of reinforced concrete as a structural material is derived from the combination ofrnconcrete that is strong and relatively durable in compression with reinforcing steel that isrnstrong and ductile in tension. Maintaining composite action requires transfer of load betweenrnthe...
9900. Optimum Utilization Of Coal Ash In Cement Concrete Production
Coal ash is the waste that is left after coal is combusted (burned). It includes fly ash (fine powderyrnparticles that are carried up the smokestack and captured by pollution control devices) as well asrncoarser materials that fall to the bottom of the furnace. Coal ash used as Portland cement...
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