No votes so far! Be the first to rate this post. Tags Concrete Technology concrete technology book concrete technology lecture notes pdf Concrete Technology Notes concrete technology pdf. Your email address will not be published. A2: Portland cement is manufactured by nicely blending the appropriate mixture of limestone and clay or shale together and by heating them at C in a rotary kiln. The preliminary steps are a variety of crushing and blending operations.
In the beginning, the raw feed must have a uniform composition through out and be a size fine enough so that reactions among the components can be complete in the kiln. Subsequently, the burned clinker is grounded with gypsum to form the grey powder known as Portland cement which everyone is familiar with. A3: The setting and hardening of concrete are the end result of chemical and physical processes which take place between Portland cement and water.
The process is called hydration. Knowledge of the chemistry of hydration is necessary to understand the properties and behavior of cement and concrete. How useful was this post? Click on a star to rate it! Leave a Reply Cancel reply Your email address will not be published. Get New Updates Email Alerts Enter your email address to subscribe this blog and receive notifications of new posts by email. Join With us. Today Updates.
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