Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 6, Problem 6.5QP
Define the C-S-H phase of cement paste.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Choose the correct answer
Flash-Set is the immediate stiffening of cement paste in a few minutes after mixing with water caused by.
A-Low C3A content
B-High C3A content
C-Low C3S content
D-High C3S content
What is the range of fineness of cement according to ASTM standard
This is the type of Portland cement that is used when there is a need to produce the concrete strength within 2 to 3 days.
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- 4b. Deformation occurs on freshly lay concrete when it finally set or harden.discuss the various causes for dimensional changes in the hardened concrete.arrow_forwardWhat is the amount of water in kilograms needed for the design mix? Use two decimal placesarrow_forwardThis refers to a change from liquid state to solid state of cement paste.arrow_forward
- In determining consistency of cement, the completion of mixing and placing the paste in Vicat mould should not exceed 5 minutes and not less than ___________ minutes.arrow_forwardQuestion 16 The required W/CM ratio for our concrete mix is 0.65. The amount of water required in the mix is 100 kg. There is 10 % silica fume in the cementing materials. Find the mass of the certent and the silica fume in this mix. Show all your work.arrow_forwardDesign the concrete mix according to the following conditions: Design environment Tennis court, subjected to freezing Required design strength =21 MPa Slab thickness=300 mm Statistical data indicate a standard deviation of compressive strength of 3.7 MPa is expected (for 50 samples) Only air entrainer is allowed Available materials: Air=7% Air entertainer: Manufacturer specification is 9.0 ML /1% air/100kg cement Slump=50 mm Coarse aggregate: 50 mm nominal maximum size, crushed stone Bulk volume oven-dry specific gravity=2.61, absorption=2.8%, oven-dry rodded density=1870 kg/m3 Moisture content=1% Fine aggregate: Natural sand Bulk oven-dry specific gravity=2.54, absorption=3.4% Moisture content= 4.5% Fineness modulus=2.60 Cement: Type I, relative density=3.1arrow_forward
- Choose one common mineral that is used incement and explain how this affects theperformance of concrete. Subject: Geologyarrow_forwardCompute for the corrected amount of water needed in the concrete mix if the mass of fine and coarse aggregates are 650 kg and 780 kg, and both have an absorption of 1.5% and 2% respectively. Water/cement ratio is 0.50 and the mass of cement is 260kg.arrow_forwardUsing cement chemistry notation what is the hydrated cement phase MAINLY responsible for strength and durability in concrete.arrow_forward
- Refer to Appendix A for tables and equations to be used. Use the CNCI method. water requirementinliters w:c ratio • Cement content (kg/m of concrete) = • Mat = CBD (K – 0.1 FM) You are given the following design parameters for a concrete mix: M. M. D. • Vols = 1000 - The compressive strength of the concrete mix must be 40 MPa after 28 days. The cement that is going to be used is a CEM I 52.5 with a relative density of 3.14. The stone available Taps vis % water 30 is a 19.0 mm stone with a dry compacted bulk density (CBD) of 1780 kg/m3 and a relative density of 2.24. An average, natural sand with a fineness modulus of 2.45 and a relative 25 20 density of 2.86 is going to be used for the mix. The slump on site is specified as 75 mm. 15 The concrete is going to be compacted by moderate vibration on site. 10 5 Calculate and show the amount of water, cement, stone and sand that is needed to make 10 15 20 Тарв up 1 m3 of concrete mix as specified above.arrow_forwardRate of Tricalcium silicate (C3S) is higher in Type III cement.arrow_forwardI need the answer quicklyarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill Education
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning
Types of Cement; Author: Tyler Ley;https://www.youtube.com/watch?v=cApoqFALh8s;License: Standard Youtube License