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Now showing items 130-148 of 148

Stabilization of Expansive Clay Soils Using Potassium Chloride

Lemi, Alemayehu (Addis Ababa University, 2015-11)

Expansive soils, such as black cotton soils, are basically susceptible to detrimental volumetric changes, with change in moisture. The cyclic wetting and drying process causes vertical movements in expansive soils and ...
Stabilization of Expansive Clay Soils Using Quarry Waste

Eden, Asres (Addis Ababa University, 2017-12)

Extensive researches has been carried out by different researchers to find solutions associated with problems of expansive soils .The construction industry has presented a number of ground improvement techniques to modify ...
Stabilization of Expansive Soil Used as Subgrade Material Using Cement Kiln Dust

Adey, Girma (Addis Ababa University, 2017-09)

Expansive soils are worldwide problems that pose several challenges to civil engineers. Such soils swell when given access to water and shrink when they dry out. The most common and economical method for stabilizing these ...
Stabilization of Expansive Subgrade soil using Waste Ceramic Powder ( A case study on the road segment in Ethio ICT Village)

Bililign, Firdawek (Addis Ababa University, 2019)

Subgrade materials are expected to have basic desirable characteristics related to strength, stiffness and swelling. If these properties are not fulfilled, engineers are expected to come up with ground improvement ...
Stabilization of Lateritic Soil with Sugarcane Bagasse Ash

Worku, Bethlehem (Addis Ababa University, 2015-11)

For soils to be suitable in civil engineering projects, they must meet existing local requirements for index properties in addition to certain strength criteria. Typically, specification limits these properties to some ...
Stabilization of Light Grey and Red Clay Subgrade Soil Using Sa-44/Ls-40 Chemical and Lime

Argu, Yohannes (Addis Ababa University, 2008-01)

This study is undertaken on a light grey (expansive) and a red clay soil samples taken from within Addis Ababa. The change in engineering properties of these soils treated with SA- 44/LS-40 chemical alone, lime alone ...
Stabilization of Soil Block Masonry with Pumice

Ekram, Anwar (Addis Ababa University, 2018)

The old traditional earth block methods of construction are currently reconsidered as a very environmentally friendly alternative to modern buildings due to the advantages they provide, such as the complete recycling of ...
The Stablization of Lateritic Soil with Lime as a Pavement Material for the case of Wolayita – Sodo

Feven, Asmamaw (Addis Ababa University, 2017)

Lateritic soil covers Western and dominantly Southern part of Ethiopia specially in NekemeteWollega, Dilla, Hossana, Chida and Wollayita Sodo area. When lateritic soil consist of high plastic clay, the plasticity ...
Strain-Rate Influence on Shear Strength Characteristics of Compacted Asela Clay

Tafa, Gezahegn (Addis Ababa University, 2016-10)

This research work tries to examine the effect of strain rate on shear strength of red clay soil of Asela. It is attempted to identify the effect of strain rate by conducting a series of triaxial compression test and ...
Strength and Ductility Demand A Case Study of Ethiopian Design Practice to Seismic Loads

Ayele, Eyasu (Addis Ababa University, 2009-09)

This thesis is conducted to investigate the relationship between strength and ductility demand. The base shear and the story displacement ductility were used as parameters to establish the relationship and a five story ...
A Study of Dynamic Properties of Soils Found in Yeka subcity Area of Addis Ababa

Natnael, Bekele (Addis Ababa University, 2020-01)

Yeka sub-city is located in the North East part of Addis Ababa. The geographical location of Yeka subcity is 9 0 ’ 12 0 latitude N and 38 50’ E longitude. The subcity is characterized by variable topographic ...
A Study on Critical Assessment of Geotechnical Investigation Practice in Ethiopia In Light of Pertinent Building Code Provisions

Solomon, Mahalet (Addis Ababa University, 2017-03)

Geotechnical investigation is the process by which geological, geotechnical, and other relevant information, which might affect the construction or performance of a civil engineering or building project, is acquired. The ...
Study on Index Properties and Swelling Pressure of Expansive Soils Found in Dukem

Tamrat, Ashenafi (Addis Ababa University, 2013-08)

Expansive soil and bedrock underlie more than one third of world‘s land surface. It is recorded in other countries that each year, damage to buildings, roads, pipelines, and other structures by Expansive soils is much ...
A Study on the Design and Advantage of Conical Type Shell Foundation Using Analytical and Fem

Taye, Endalkachew (Addis Ababa University, 2009-07)

This thesis introduces shell foundations in general and conical type shell foundation in particular as an alternative to the conventional plain foundation. The different types of shells that may be employed in foundations ...
Study on The Design Methods of Tall Wind Turbine Foundation (A Case of Adama I Wind Farm)

Bizu, Melesse (Addis Ababa University, 2019-04)

Wind energy has been deemed an appropriate means of diversifying Ethiopia’s energy mix while simultaneously addressing the deficit in electricity supply which the country faces. The first wind farm in Ethiopia is Adama ...
Survey of Ground Improvement Techniques for Bearing Capacity

Abebe, Andinet (Addis Ababa University, 2015-11)

Many soil improvement methods have been developed due to the ongoing increase in urban and industrial growth and the need for greater access to lands. This has made the use of areas with weak soils inevitable. The very low ...
The Unsaturated Shear Strength and Swelling Charac Teristics of Expansive Soils of Arbaminch

uba, Bantayehu (Addis Ababa University, 2011-06)

InEthiopia,somanyresearchesweredoneoncharacterizingexpansivesoilsofseveraltownsbutonlyasinglestudy,doneonAddisAbabaexpansivesoil,existsontheunsaturatedshearstrengthbehaviorofexpansivesoils.Thepresentstudyaddressesexamini ...
Unsaturated Shear Strength Characterstics and Stress - Strain Behaviour of Silt Soils of Hawassa

Teferi, Eyob (Addis Ababa University, 2011-11)

Most of the shear strength tests and studies done in this country particularly in Addis Ababa are using the conventional triaxial machine, which is unable to measure the matric suction of the soil. However, a few research ...
The Use of Natural Pozzolana (Volcanic Ash) to Stabilize Cinder Gravel for a Road Base (Along Modjo - Ziway Route)

Teshome, Thomas (Addis Ababa University, 2015-11)

In road construction using locally available materials plays a significant role in cost and time saving of road construction projects. Cinder gravel is abundantly available in different parts of Ethiopia. However, its use ...

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