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Channel Tunnel : Constructing An Underwater Tunnel

Channel Tunnel, one of the world's greatest tunnel is built beneath the famous English Channel and connects France and England. Find out more about the construction of this spectacular engineering feat in the article inside.

Published by Raunekk (16,317 pts ) on Nov 21, 2009 to
Civil Engineering Articles
Self-Compacting Concrete

Self compacting concrete, unlike conventional concrete, can be conveniently poured in narrow places since it does not require vibration. The ingredients in self-compacting concrete are the same as in conventional concrete except for the water reducing agent that improves its properties.

Published by smoothwhirl (5,711 pts ) on Nov 21, 2009 to
Civil Engineering Articles
Nuclear Power Plant Emergency Management

Nuclear power plants use water that is converted into steam for generating electricity. If an unexpected nuclear plant emergency occurs you should know what you should be doing before, during and after the incident.

Published by smoothwhirl (5,711 pts ) on Nov 19, 2009 to
Civil Engineering Articles

Venice Tide Barrier Project

When constructed, the Venice tide barriers will be the biggest dam construction in the world. A product of extraordinary civil engineering skills, the Venice tide barriers will protect the famous city from the constant sea water flooding that has haunted the city for many decades now.

Published by Raunekk (16,317 pts ) on Nov 17, 2009 to
Civil Engineering Articles
Roofing Materials

Roofing materials are an important component of a building and need to be selected carefully by a thorough analysis of the architectural design, weather conditions, and the location where required.

Published by smoothwhirl (5,711 pts ) on Nov 15, 2009 to
Civil Engineering Articles
What Are Paints

Paints are used to ensure protection of the buildings from harmful weather effects, including rain, heat, and winds, and also to improve the surface finish. The useful life of structures is influenced by the application of paints that are available in several varieties of colors and textures.

Published by smoothwhirl (5,711 pts ) on Nov 15, 2009 to
Civil Engineering Articles

When Stress Is Good: Pre- and Post-Tensioned Concrete

Portland cement concrete is a strong, dependable, and relatively inexpensive construction material. Until it is stressed under tension, that is. Then it typically exhibits only about 15% of its equivalent compressive strength, which can spell catastrophe for structural applications.

Published by John Moehring (933 pts ) on Nov 13, 2009 to
Civil Engineering Articles
Estimation of the Entrance Length for Fully Developed Flow in Pipes

The entrance region for pipe flow is the entry portion of the pipe where the fluid velocity profile changes. At the end of the entrance region the flow enters the fully developed flow region, where the velocity profile remains constant. Equations to estimate the entrance length will be given.

Published by hbengts41 (780 pts ) on Nov 11, 2009 to
Civil Engineering Articles
The Carbon Cycle Explains Water Pollution from Biochemical Oxygen Demand

Biochemical oxygen demand (BOD) is a measure of water pollution by organic matter. Organic matter in water will react with dissolved oxygen in the process of biological oxidation. If there is enough organic matter in the water, it will deplete the oxygen, and affect aquatic life.

Published by hbengts41 (780 pts ) on Nov 9, 2009 to
Civil Engineering Articles
Using the Friction Factor in Calculating Frictional Head Loss in Pipes

The Darcy-Wiesbach Equation is an empirical relationship between frictional head loss and several other pipe flow parameters. This equation can be used for fully-developed, turbulent flow in circular pipes and in non-circular conduits. An empirical friction factor is one of the parameters used.

Published by hbengts41 (780 pts ) on Nov 7, 2009 to
Civil Engineering Articles