RESEARCH THEME:

My research activities are mainly in the field of Engineering Geology, which is the application of knowledge of geological sciences to the solution of Civil Engineering (Earth Work) problems. The methods employed involve determination of geotechnical properties of soils and rocks and relating them to their textural mineralogical and geochemical characteristics.

Crystalline Basement Complex rocks underlie many parts of Southwestern Nigeria. These rocks are overlain directly, or almost so, mostly by reddish brown soils called lateritic soils. The geotechnical properties of the residual soils depend to a large extent on engineering and geological properties of parents rocks. Geotechnical properties of such soils also depend on other pedogenic factors. The soils have wide utilities both as foundation for structures as well as construction materials. Efforts are thus being made to study important geotechnical properties such as strength, compressibility and permeability of lateritic soils. Such studies have been widely applied in foundation investigations especially for highways, hydrogeology and environmental geology. 

The main areas of focus are therefore;

1. Assessment of the influence of soil forming factors on geotechnical properties of lateritic soils.
2. Highways geotechnical properties of lateritic soils
3. Soil stabilization
4. Geotechnical characterization of geomaterials and
5. Environmental Engineering Geology

 (a) RESEARCH COMPLETED

 Geotechnical Evaluation of Geomaterials

1. Engineering Geological Evaluation of Clay Deposits in parts of Southwestern Nigeria for Bricks.
2. Engineering Geological Evaluation of Lateritic soils as construction materials.

 Soil Stabilisation   

1. Chemical Stabilization of Lateritic Soils using Cement, Lime and mixture of both.
2. Mechanical Stabilization of Lateritic soils from Basement Complex terrains of Southwestern Nigeria.

 Evaluation of Lateritic Soils as Highway Subgrade Materials

1. Highways Geotechnical properties of Lateritic soils along Ibadan-Ijebu-Ode Road
2. Evaluation of Subgrade materials below the flexible pavement along Ibadan  Ile-Ife
3. Engineering Geological Evaluation of Subgrade soils along sections of the Lagos-Ibadan highway.

 Influence of Soil-Forming (Pedogenic) Factors on Geotechnical Properties of Lateritic Soils

1. Influence of parent rock factor on geotechnical properties of Lateritic soils
2. Influence of position in soil profile on geotechnical properties of Lateritic soils
3. Influence of topographic site on geotechnical properties of Lateritic soils.

 Environmental Engineering Geology

1. Evaluation of some hypothetical locations around Ago-Iwoye and Ijebu-Ode as proposed landfill sites.
2. Evaluation of some locations along Ijebu-Ode/Ibadan road as landfill sites.
3. Engineering Geological Evaluation of some locations along Ibadan/Ile-Ife highway as landfill sites.
4. Influence of disposed wastes on quality of shallow groundwater in parts of Ibadan and Ikire, Southwestern Nigeria.

(b) IN PROGRESS

 Geotechnical Evaluation of Geomaterials  

1. Engineering Geological Evaluation of crystalline Basement Complex rocks as construction materials.
2. Engineering Geological Evaluation of residual Lateritic soils of southwestern Nigeria as construction materials.

Soils Stabilisation

1. Mechanical stabilization of Lateritic soils of Southwestern Nigeria.
2. Stabilization of Lateritic soils in Basement Complex terrains with termite eworked soils.
3. Stabilization of lateritic soils in Sedimentary terrain of southwestern Nigeria with termite-reworked soils.
4. Stabilization of lateritic clays with lateritic soils

Environmental Engineering Geology

1. Engineering Geological Evaluation of some locations in Ajibode, Ibadan as sanitary landfill sites.
2. Influence of disposed wastes on quality of groundwater in the Ibadan end of the Lagos-Ibadan expressway and Moniya area, Ibadan.
3. Aspects of Environmental Impacts of exploration and exploitation of Bitumen in some locations near Okitipupa, Southwestern Nigeria.

Foundation Investigations for Structures

1. Integrated geotechnical and geophysical investigation of soils in parts of Southwestern Nigeria for buildings and dams.
2. Geotechnical studies of foundation soils in parts of the Niger Delta, Southern Nigeria.

 Engineering geological Mapping

1. Of undeveloped areas
2. State capitals in Southwestern Nigeria

         Geotechnical properties of lateritic soils 

-          Geotechnical properties of crystalline basement complex rocks 

-          Soil stabilization; evaluation of probable waste disposal sites 

-          Environmental impact assessment and auditing 

-          Groundwater exploration and evaluation