Slope Stabilization Techniques: Methods and Applications
Acting on Geometry
1. Remove the unstable mass: This involves removing material from the upper slope to reduce the forces tending to cause movement.
2. Slope reshaping (Descabezamiento): This involves the removal of material from the upper slope to reduce the driving forces.
3. Toe berms or breakwaters: This involves the placement of a land mass or pier at the foot of the unstable slope to increase the normal stresses at the bottom of the slide surface, which increases its strength.
4. Berms: This corrective
Read MoreUnderstanding Geographic Coordinates: Meridians and Parallels
Geographic coordinates are a set of imaginary lines that can pinpoint a spot on the Earth’s surface. This set of lines corresponds to the meridians and parallels. Any item on our planet can be placed upon meeting the meridian of longitude and the parallel of latitude.
They Help Determine:
- The location of a place on the Earth’s surface.
- Formed by the intersection of a parallel (which tells us the latitude from 0° to 90° north or south) and a meridian (which tells us the longitude from 0º to 180º
Key Concepts in Geography, Environment, and Earth Science
Desertification
Desertification is the transformation of land used for crops or pastures into desert or near-desert lands. Desertification is moderate when lost productivity is between 10% and 25%. It is severe if the loss is between 25% and 50% and very severe if greater. The process of desertification is observed in many parts of the world and is a serious threat to the environment and agricultural performance in some areas.
Geography
Geography is the science that studies the Earth, the livelihoods
Read MoreSteel Materials: Properties, Treatments, and Applications
Steel materials result from processing iron-containing ores. The most commonly used ores are oxides, which undergo mechanical treatments to reduce their size and classify them. Physical processes like hydro-separation, flotation, and magnetic separation are employed to separate the ore from the gangue. The resulting ore is then agglomerated and fed into a blast furnace.
In the blast furnace, the ore is introduced along with a fluxing agent to lower the melting temperature of impurities. Coking coal
Read MoreNuclear Power Plants: Reactors, Operation, and Safety
Nuclear Power Plants
A thermoelectric central is a source of thermal energy obtained from the fission of uranium and plutonium atoms. The transformations of energy in a nuclear power plant are: nuclear energy (fuel) -> thermal energy (boiler) -> kinetic energy (steam) -> kinetic energy of rotation (turbine) -> power (alternator) -> use.
Nuclear Reactor
The Nuclear Reactor is the most important component of a nuclear power plant and constitutes its core. The reactor is a system that allows
Read MoreCardinal Points, Continents, Maps, Sun, Moon, and GIS
The Four Cardinal Points
- North
- South
- East
- West
The Continents
- North America
- South America
- Europe
- Africa
- Asia
- Antarctica
- Oceania
North
- True North: The geographic North Pole to which the Earth revolves.
- Grid North: North based on the design of a map.
- Magnetic North: The magnetic point of the North to which a compass points.
Maps
- Topographic Map: Shows the shape of the Earth’s surface using elevation contour lines. Thanks to these maps, we can know in detail the surface of a terrain.
- Thematic Map: Displays information,