Postgraduate Project Topics, Thesis and Dissertation
9901. Parametric Study Of Gabled Hyperbolic Paraboloid Reinforced Concrete Shell Roof
The structural behavior of the gabled hyperbolic paraboloid (hypar) reinforced concreternshell roof is investigated to use it efficiently. To attain this purpose, the parametric studyrnof the gabled hypar reinforced concrete shell is carried out using the finite elementrnsoftware package SAP2000....
9902. Determination Of Dynamic Load Allowance Factor For Reinforced Concrete Highway Bridges
Accounting the dynamic effect of vehicles using the dynamic load allowance factor has beenrnwidely accepted in bridge engineering. However, consensus on the evaluation of the dynamic loadrnallowance factor is yet to be reached and this is because large number of parameters affects therndynamic load...
9903. Parametric Study On Structural Forces And Moments Of Elliptical Shell Roof
Concrete shell roofs have been widely used in the construction field for reasonsrnconcerning aesthetic appearance or achieving an economical design of a building withrnlarge spans. This paper deals with the influence of aspect ratio and height to miner radiusrnon the structural forces and the...
9904. Investigation Of The Potential Use Of Wire Mesh-epoxy Composite For Flexural Retrofitting Of Reinforced Concrete Beams
When a structural element is found to be inadequate, it can either be demolished and replaced orrnmodified with retrofitting. Considering the economic loss and inconvenience that can be incurredrnfrom demolition, it is ideal to retrofit structural elements whenever possible. In this thesis,...
9905. Application Of Bim Using Revit And Other Conventional Structural Design Software A Case Study On A High-rise Building
Building information modeling or BIM is a workflow whose application on a constructionrnproject will enable all involved players to compile information on every aspect of thernbuilding in a central model/database. Through BIM adoption, the entire building can bernvirtually built on a computer. This...
9906. Assessment Of Association Between Sleep Quality And Overweightobesity Among Adults In Addis Ababa Ethiopia
Background: - Worldwide an estimated 35.8 million (2.3%) of global Disability Adjusted LifernYears are caused by overweight and obesity. Emerging evidence suggests that the contribution ofrnfactors such as sleep quantity and quality to obesity need to be studied in detail as sleeprndisturbance...
9907. Early Age Thermal Cracking Tendency Assessment On Mass Concrete (controlling Temperature By Pre Cooling Method)
Thermal dilation and autogenous shrinkage are produced by the continuedrnhydration of cement, this volume changes are partly or wholly restrained, andrntherefore they induce stress. This is issue for massive concrete especially atrnearly age when concrete is immature. This thesis presents...
9908. Effect Of Masonry Infill Materials On Dynamic Characteristics Of Buildings
Modern codes for earthquake resistant building design require consideration of the so-calledrnaccidental design eccentricity, to account for torsional response caused by several factors notrnexplicitly considered in design. This provision requires that the mass centers in the buildingrnfloor be...
9909. Performance Of Reinforced Concrete Wall Frame Structures Subjected To High Story Eccentricity
The main objective of this project is to study the performance of wall framernstructures subjected to high eccentric loads. This project aims to investigate therneffect of eccentricity on the lateral force resistance capacity of wall framernstructural systems. It also identifies the members that...
9910. The Influence Of Bond Deterioration Zone On Tension Stiffening Of Flexural Members On Short-term Deflection
The bond between concrete and steel bars is of fundamental importance torndeformation characteristics of cracked concrete structures. It has been studied forrnmany years. But the results of the studies seem to be inadequate for concreternstructure analysis. They are not reflected in engineering...
9911. Effect Of Load Distribution On Shear Resistance Of Haunched Beam Experimental Study
Major parameters that have an influence on the shear strength of beams without shearrnreinforcements identified by many researchers are shear span to depth ratio (a/d), tensilernstrength of concrete (ft), longitudinal reinforcement ratio (Ï), size of beam and presencernof axial force. Effects of...
9912. Effect Of Concrete Sleeper Type And Spacing On Lateral Resistance Of Curved Track
Railway tracks should resist heavy loads that come from the axel of a train without causingrnexcessive defects while allowing reasonable speed of the train. Due to the increment of thernspeed and the axle load, the amplitude of lateral forces exerted on railway track has beenrnincreased hence,...
9913. Effect Of Loss Of Bond On The Shear Behavior Of Short Reinforced Concrete Beam
Bond between concrete and reinforcement is the major factor for load transfer from thernbar to the concrete. The shear flow in reinforced concrete beams depends on the existencernof this bond. In this paper shear behavior of a reinforced concrete beam, with differentrnunbonding length, is studied....
9914. The Effect Of Metakaolin On The Compressive Strength Of Recycled Aggregate Concrete
Large quantity of construction and demolition waste has been produced due to therneconomic growth of the world. However, the most common way to dispose of such wasternis by landfill. Without proper sorting and handling of it, as time passes, landfills will causernmany environmental issues....
9915. Assessment Of Current Non-linear Analysis Models Used In Earthquake Engineering
The study aims to evaluate existing numerical nonlinear modeling techniques used in thernseismic analysis to provide a common ground for applications of the models in earthquakernengineering. Comparative analysis carried out to further asses the existing nonlinearrnnumerical finite element modeling...
9916. Early Age Thermal Behavior Of Bagasse Ash Concrete Under Different Ambient Temperatures
Bagasse ash can be optimized as a partial cement replacing material in a concrete mixture.rnOther than guaranteeing mechanical properties, this pozzolana could be used as a thermalrnretarder for mass concrete placement, despite the fact that its property was not examinedrnunder various ambient...
9917. Effects Of Coarse Aggregate Size On Shear Strength Of Reinforced Concrete Beam With Web Reinforcement
Mechanism of flexural failure of a rectangular reinforced concrete beam was much simpler tornunderstand as compared to shear failure. In fact shear failure of reinforced concrete beams is arnvery complex phenomenon due to involvement of too many parameters. rnIn spite of many decades’...
9918. Seismic Performance Evaluation Of Steel Frame Buildings (a Case Study On Existing Smart Parking System In Addis Ababa City)
Earthquake hazards have an effect on significant damage to structures and cause widespread failurernthroughout buildings. Therefore, the assessment of the structural behavior against possiblernearthquakes should be the fundamental point on the design and construction process. rnThe seismic...
9919. The Effect Of Longitudinal Reinforcement End Anchorage Angle And Development Length From The Support In Beam Capacity
In reinforced concrete members, reinforcement must be bonded or anchored to thernconcrete. Reinforcement development length is provided in the regions of maximumrnstress to zero stress. However, at the support of simply supported beam, the bendingrnstress is zero, the researchers recommend that the...
9920. Epidemiology
The effect of disorder due to nomagnetic impurities on superconductivity of Bi2Sr2CaCu2O8+xrnwas investegated theoretically employing the matrix Green function in Nambu formalism.rnThe relationship between disorder parameter and superconducting critical temperaturernhas been calculated analytically...
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