Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137505586
Author: Michael Mamlouk, John Zaniewski
Publisher: PEARSON+
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Textbook Question
Chapter 6, Problem 6.1QP
What ingredients are used for the production of portland cement?
Expert Solution & Answer
To determine
What the ingredients that are used for the production of Portland cement.
Explanation of Solution
Portland cement:
It is a cement factory-made from clay and chalk which hardens under water and when hard resembles Portland stone in color.
The two basic raw ingredients are listed as follows:
- Calcareous material
- Argillaceous material
Calcareous material:
The calcareous material is a calcium oxide, such as chalk, oyster shells, or limestone.
Argillaceous material:
It is a mixture of alumina and silica that can be acquired from shale, clay, and blast furnace slag.
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Following is the variation of the field standard penetration number (№60) in a sand deposit:
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Neo
N60
1.5
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3
8
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9
6
8
7.5
9
13
14
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CN
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1
(o'o/Pa).
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(Enter your answer to three significant figures.)
$' =
The beam shown in the figure below is typical for a floor system in an existing building.It needs to carry a uniform live load of 260 lb/ft and a uniform dead weight of 400 lb/ft,including its own weight. The owner wants to add a partition weighing 7 kip (live load) asshown. Assuming the added partition as live load, is the beam section adequate to safelycarry the extra live load?
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Following is the variation of the field standard penetration number (№60) in a sand deposit:
Depth (m) N60
1.5
6
3
8
4.5
9
6
8
7.5
9
13
14
The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 10 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 12.2 kN/m³. Use the
relationship given in the equation
C'N
=
1
σo/Pa
0.5
to calculate the corrected penetration numbers.
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Depth (m) N60 (N1) 60
1.5
6
4.5
3
8
9
6
8
7.5
13
9
14
Chapter 6 Solutions
Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
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