Materials for Civil and Construction Engineers (2nd Edition)
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ISBN: 9781292154411
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Textbook Question
Chapter 6, Problem 6.4QP
What are the primary chemical reactions during the hydration of Portland cement?
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Please list primary chemical reactions during Cement Hydration
What are the four main chemical compounds in portland cement?
What are the five primary types and functions of portland cement? Describean application for each type.
Chapter 6 Solutions
Materials for Civil and Construction Engineers (2nd Edition)
Ch. 6 - What ingredients are used for the production of...Ch. 6 - What is the role of gypsum in the production of...Ch. 6 - What is a typical value for the fineness of...Ch. 6 - What are the primary chemical reactions during the...Ch. 6 - Define the C-S-H phase of cement paste.Ch. 6 - What are the four main chemical compounds in...Ch. 6 - Prob. 6.7QPCh. 6 - Define a. interlayer hydration space b. capillary...Ch. 6 - Prob. 6.9QPCh. 6 - The following laboratory tests are performed: a....
Ch. 6 - What is a false set of portland cement? State one...Ch. 6 - The watercement ratio is important because it...Ch. 6 - Discuss the effect of watercement ratio on the...Ch. 6 - Draw a graph to show the general relationship...Ch. 6 - Students in the materials class prepared three...Ch. 6 - Students in the materials class prepared three...Ch. 6 - Two batches of cement mortar with properties as...Ch. 6 - What are the five primary types and functions of...Ch. 6 - Why isnt pozzolan used with Type III cement?Ch. 6 - What type of cement would you use in each of the...Ch. 6 - In order to evaluate the suitability of nonpotable...Ch. 6 - Three standard mortar cubes were made using...Ch. 6 - Four standard mortar cubes were made using...Ch. 6 - Discuss the problem of disposal of waste water...Ch. 6 - State five types of admixtures and discuss their...Ch. 6 - Prob. 6.27QPCh. 6 - Under what condition is an air-entraining agent...Ch. 6 - If a water reducer is added to the concrete mix...Ch. 6 - Prob. 6.30QPCh. 6 - A concrete mix includes the following ingredients...Ch. 6 - The results of an experiment to evaluate the...Ch. 6 - The results of a laboratory experiment to evaluate...Ch. 6 - Referring to Table P6.34, Mix No. 1 was designed...Ch. 6 - Two batches of concrete cylinders were made with...Ch. 6 - Two batches of concrete cylinders were made with...Ch. 6 - What is the source of fly ash? Why is fly ash...Ch. 6 - A materials engineer is working in a research...Ch. 6 - A materials engineer is working in a research...
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- determine the mass of water needed to be added to the cement to achieve the standard consistency of the cement paste.arrow_forwardAccording to astm how much content of lime shall be added to Portland cement and how it is calculatedarrow_forwardDiscuss five different desirable characteristics of aggregate used in portland cement concrete.arrow_forward
- Using cement chemistry notation what is the hydrated cement phase MAINLY responsible for strength and durability in concrete.arrow_forwardQ1) Assume we have 100 gram of cement within a closed tube, so that there no water movement occur. Calculate the volumes of the hydration products with A-100% hydration of cement will achieved. B- 60% hydration cement.arrow_forwardFor the given amount of (weight of cement=120g, degree of hydration=100% and w/c ratio=0.40), the amount volume of gel water equal to *arrow_forward
- The water cement percentage for Normal Consistency of Cement is 35%. The volume of water is 180mL. The weight of cement is ____g. SHOW SOLUTION FINAL ANSWER IN 2 DECIMAL PLACES . NEED ANSWER ASAParrow_forwardWhat is the initial and final setting time of ordinary Portland cement according to British and American standardsarrow_forwardThe following laboratory tests are performed:a. Setting time test of cement paste samplesb. Compressive strength of mortar cubesarrow_forward
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