Name the feedstock materials used in the manufacture of Portland cement. Describe the process of cement...

70.2K

Verified Solution

Question

Civil Engineering

Name the feedstock materials used in the manufacture ofPortland cement. Describe the process of cement production usingthese materials. Â Â
Explain the importance of water in the setting reaction forcement and the reasons for selecting the correct water-cement ratioin concrete. Discuss the problems that might occur when thewater-cement ratio is too low or too high.Â Â
Write down the chemical reaction between atmospheric carbondioxide and concrete and state what happens to the pH of concreteas a result of this process. Give the common name for thisreaction. Explain the effect of this reaction on both the strengthof concrete and on the integrity of steel reinforcement.Â Â
State how the mechanical properties of concrete are altered bythe addition of steel reinforcement and explain the mechanism ofthis effect. How would corrosion of the steel or degradation of theconcrete affect the mechanical properties?

Answer & Explanation Solved by verified expert

3.9 Ratings (701 Votes)

SolutionThe two principal raw materialsused for producing the Portland cement square measure chalkymaterials like stone chalk or dirt and clayey materials like clayand sedimentary rockCement producingmay be a complicated method that begins with mining then grindingraw materials that embody stone and clay to a fine powderreferred to as raw meal that is then heated to a sinteringtemperature as high as 1450 C during a cement oven during thismethod the chemical bonds of the raw materials square measurecountermined then theyre recombined into new compounds Theresults referred to as clinker that square measure roundednodules between 1mm and 25mm across The clinker is ground to afine powder during a cement mill and mixed with mineral to formcement The pulverized cement is then mixed with water andaggregates to create concrete thats employed in constructionClinker qualitydepends on staple composition that needs to be closely monitoredto make sure the standard of the cement Excess free lime forinstance leads to undesirable effects like volume growthredoubled setting time or reduced strength many laboratory andonline systems is used to make sure method management in everystep of the cement producing method as well as clinkerformationWater is that the key ingredientthat once mixed with cement forms a paste that binds the mixturealong The water causes the hardening of concrete through a methodknown as association association could be a chemical processwithin which the See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member