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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Question
Chapter 6, Problem 6.27QP
To determine
The admixture that would be used by the material engineer during cold climate.
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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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- Q2: Comparison between the following? (Choose one only) 1. Ductility and toughness of a materials property? 2. Permeability and porosity property?arrow_forwarddetermination of moisture content and surface moisture of aggregates is a method to determine wether the material is good or not, what is the essence of this methods in construction? Explain.arrow_forwardWhat are the differences between coarse aggregates coming from processing plants and coarse aggregates obtained under water in rivers?answer in 4 sentencearrow_forward
- What does it mean if the Bulk Specific Gravity is 2.52 and the apparent specific gravity is 2.63 in fine aggregates?arrow_forward4. Explain the usage areas and advantages of lightweight aggregates in the construction industry.arrow_forwarda) How to prepare samples and perform thermal expansion tests ASTM E831? b) how to perform tensile strength test ASTM E8 /E8M?arrow_forward
- Will the immersion of the aggregates in water saturated its voids? Explain briefly.arrow_forwardEnumerate all the necessary factors that you think are needed to be consider in selecting proper materials in Engineering Design and explain why for each enumerated factor.arrow_forwardExplain the reason why the calculated theoretical strength (o theo) is much higher than the measured actual strength (o actual ). Your answer: Font Size U A- A- %23 !!arrow_forward
- What do you mean by concrete's workability, why do we need it, and how do different aggregate qualities impact concrete's workability?arrow_forwardGive the conclusion and recommendation of this experiment: DETERMINATION OF SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES.arrow_forward2. Students in the materials lab performed the specific gravity test (ASTM C127) on coarse aggregate and they obtained the following data: a. Dry weight = 3862.1 g b. SSD weight = 3923.4 g c. Submerged weight = 2452.1 g Calculate the specific gravity values (dry bulk and SSD).arrow_forward
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