Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 6.38QP
What is the source of fly ash? Why is fly ash sometimes added to concrete? What are the different classes of fly ash?
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Chapter 6 Solutions
Materials for Civil and Construction Engineers (4th 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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- Answer only 6.38arrow_forwardHow is concrete consolidated?arrow_forwardFly ash, which is among the mineral additives and used as a concrete additive;• Its use in dam concretes,• Its use in concrete design in hot and cold weather conditions,• Effects on the strength and durability of concrete,• Write your comments by evaluating the effects on the workability of concrete.Your opinion about these hennas is very important.arrow_forward
- a)Explain what is section steel and reinforcement steel? Next discuss the advantages and disadvantages of steel as a construction material. b) What is meant by ‘additives’ and ‘cement substitutes’ for concrete? Next, explain the purpose and role of the use of fly ash in concrete mix. Please answer both a and b... Please answer both questions..... Do not answer single question... Otherwise leave it.... Thank youarrow_forwardHow do chloride corrode steel-reinforced concrete? Why chloride compunds are not use in construction industry?arrow_forwardWhat is the meaning of tablet lamination and capping? How are these related to compression force?arrow_forward
- You see the concrete looks dry as it is being placed as a slab. a) If you decide to spray some water on the surface before the concrete has set, what could happen to the concrete in terms of strength and any potential abnormalities/distresses? b) You decide to instead wait for the concrete to set, and then you decide spray water on the surface. What could happen to the concrete in terms of strength, shrinkage, density, and any potential distresses?arrow_forwardExplain the significance of curing in concrete construction and discuss different curing methods?arrow_forwardWhat is the purpose of adding gypsum while manufacturing cement; what are the consequences of making cement without gypsum?arrow_forward
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