# Geotechnical Engineering

### Civil Engineering - Geographical Definition of Sphere of Influence

The sphere of influence that geography exerts over almost all human activity cannot be understated. The physical geography of a land has a vast influence on the activities in that country, and this is to a large extent also dependent on the geological formations that are part of the environment.

### Design Parameters of Foundations in Seismic Zones

In seismic zones foundations are subjected to additional forces due to earthquakes. This will depend on the area and intensity of the earthquake. Design should take into consideration these forces.

### Erosion Control Using Geo Synthetics

Erosion of soil may take place due to wind, rain, and flowing water. If erosion is not properly controlled, it may create serious problems. There are different methods for preventing erosion, but the most effective method is the use of geosynthetic mats for erosion control.

### Understanding Environmental Impact Assessments (EIA)

Before a building can be built, an environmental impact assessment needs to be performed to determine how the endeavor will affect the environment. This allows planners to make their projects more environmentally friendly and acceptable to all involved.

### What is Rock Mechanics?

It is necessary to understand what is rock mechanics if you are to take advantage of the properties of rocks and understand how they will function during the various uses that engineers put them to.

### What is Environmental Engineering?

Environmental engineering deals with air pollution control, hazardous waste management, wastewater treatment, and water treatment. Environmental engineering work includes planning, design, construction, and operation of equipment, systems, and structures for the protection of the environment.

### Human Geography in Civil Engineering

Human geography is the study of how humans use and understand the earth and the process that affect life. This affects people and the environments that they create for themselves. Human geography in civil engineering greatly affects the buildings and structures that a civil engineer designs and buil

### Activated Sludge Waste Water Treatment Calculations with Excel Formulas

Activated sludge wastewater treatment calculations can be made using the Excel formulas in the downloadable spreadsheets. Biochemical oxygen demand (BOD), waste water flow rates and total suspended solids concentrations are used in the activated sludge calculations

### Methods of Cliff Stabilization

Cliff stabilization becomes a must especially in areas that are developed. It is required in all moderately or severely exposed coasts to preserve the landscape. It is the natural behavior of cliffs to slide due to weather and other action and thus require stabilization.