- published: 12 Dec 2016
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Concrete is a composite material composed of coarse aggregate bonded together with a fluid cement which hardens over time. Most concretes used are lime-based concretes such as Portland cement concrete or concretes made with other hydraulic cements, such as ciment fondu. . Subscribe: https://www.youtube.com/channel/UC7eMdkXyqdVqwq8NG_uH5eA?sub_confirmation=1
In this Video Lecture you are able to Learn Grade of Concrete in detail To Read Articles :www.civilglobal.com Part -1 Video Lecture : https://www.youtube.com/edit?o=U&vide... In This channel You can Learn about Civil Engineering Update Videos which are using generally in civil Engineering. So please subscribe our channel for daily Update Civil Engineering. If you have any questions. Feel free to contact me. My Facebook ID https://web.facebook.com/samiullahsta... Website:www.civilglobal.com Facebook page: https://web.facebook.com/civilenginee... _________________________________________________________________ Quantity of Cement , sand and Aggregate in Concrete. New Video Lecture Billing of Quantity https://www.youtube.com/edit?o=U&vide... _________________________...
The slump test is a means of assessing the consistency of fresh concrete. It is used, indirectly, as a means of checking that the correct amount of water has been added to the mix. The test is carried out in accordance with BS EN 12350-2, Testing fresh concrete.
Disclaimer: This video is here for educational purpose & is exclusive property of Portland Cement Association (PCA). You must not reproduce or distribute it without written permission from PCA [http://www.cement.org]. Get a candid look at ten popular, but mistaken ideas that still exist in concrete construction. Using examples, interviews, and demonstrations, this revealing video from the Portland Cement Association exposes and explains the most common misconceptions associated with the cement and concrete industry. The video is designed as an educational training tool for workers of all experience levels. Portland Cement Association © 2005
Concrete Cube Testing to determine the strength of concrete.Cube Testing is a Destructive Testing Method of Concrete Testing, as the cubes are crushed in Compression Testing Machine. The mostly tested cubes in practice are of 150x150x150 size in mm.
Honeycombs in concrete are voids found in finished concretes owing largely to poor compaction effort.Low work ability of concrete mix creates honeycombs as well. They shall be treated in a systematic way so that the strength and the durability of concrete structure are not effected.This video presents the introduction,reasons, resulting effects and a systematic remedial measure to treat honeycombs in concrete structures.
Bleeding is one form of segregation, where water comes out to the surface of the concrete, being lowest specific gravity among all the ingredients of concrete. Bleeding can be easily identified in the field by the appearance of a thin layer of water in the top surface of freshly mixed concrete
The concrete slump test is an empirical test that measures workability of fresh concrete.The test measures consistency of concrete in that specific batch. It is performed to check consistency of freshly made concrete. Consistency refers to the ease with which concrete flows. It is used to indicate degree of wetness.
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Adrian Brugger, a civil engineer at Columbia's Carleton Laboratory, demonstrates the difference in protection between concrete structures with and without steel reinforcement, in this web exclusive. Subscribe for more from Engineering Disasters and other great HISTORY shows: http://www.youtube.com/subscription_center?add_user=historychannel Find out more about the show on our site: http://www.history.com/shows/engineering-disasters?cmpid=Social_YouTube_EnDisasters Stream full episodes here: http://www.history.com/shows/engineering-disasters/videos?cmpid=Social_YouTube_EnDisastersVid Check out exclusive HISTORY content: Website - http://www.history.com?cmpid=Social_YouTube_HistHome Twitter - https://twitter.com/history Facebook - https://www.facebook.com/History Google+ - https://plus.g...
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Bridges, tunnels and other civil engineering structures could become safer thanks to self-repairing concrete being developed as part of a "European research project". Engineers at Ghent University in Belgium have taken a lead role in the pioneering work. The polymers are added to the concrete mix. Once it is dry, the researchers crack it to see how it reacts. Then they quantify its mechanical behaviour, impermeability and durability. READ MORE: http://www.euronews.com/2015/03/30/building-for-the-future-with-self-repairing-concrete/ euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts. Subscribe for your dose of space and sci-tech: http://www.youtube.com/subscription_center?add_user=euronewsknowledge Made by ...
Quick notes series for Concrete Technology from Simplified Learning. In this part properties of concrete such as workability, shrinkage, creep, compressive strength, tensile strength, durability, permeability, thermal expansion etc. are discussed. Stay tuned, more content to come. Like Share Comment Subscribe "Simplified Learning" Check out this content for other subjects also 1. Notes for "Concrete Technology" https://www.youtube.com/playlist?list=PLOXRLDcdqidhGsk2CIYnwTRinDWp-c54i 2. Notes for "Fluid Mechanics" https://www.youtube.com/playlist?list=PLOXRLDcdqidizyx6M-kto7yf019BQWUvY 3. Notes for "Building Materials" https://www.youtube.com/playlist?list=PLOXRLDcdqidh7QJKkX8MaaB7Os6an0ejv 4. Objective questions series for "Building Construction and Materials" https://www.y...
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