Essentials of Materials Science and Engineering, SI Edition
4th Edition
ISBN: 9781337672078
Author: ASKELAND, Donald R., WRIGHT, Wendelin J.
Publisher: Cengage Learning
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Question
Chapter 9, Problem 9.95P
Interpretation Introduction
Interpretation:
The formation of steel from iron ore, coke and limestone needs to be explained.
Concept Introduction:
Cast iron is brittle and difficult to work with whereas steel is ductile, malleable and can be formed easily.
In the early
After the revolution in modern steel production, the open-heart process is adapted to produce high-quality steel.
Steel is produced from the iron are ore and scraps.
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2
A flexible circular area is subjected to a uniformly distributed load of 450 kN/m² (the figure below). The diameter of the load area is 2 m. Estimate the average stress increase (Aσay) below the center of the loaded
area between depths of 3 m and 6 m.
H₂
1.0
H₂
B
0.8
CHI HD DV
0.6
C
1.0
1.5
0.4
0.2
6.0
8.0.
10.0
2.0
2.5
3.0
4.0
5.0
H₁
(Enter your answer to two significant figures.)
Δσαν τ
kN/m²
6
Refer to the figure below. Using the procedure outlined in your textbook, determine the average stress increase in the clay layer below the center of the foundation due to the net foundation load of 45 tons. Use the
equations:
Aσ =
and
qo x B x L
(B+ z)(L+ z)
Aσ av (H2/H₁)
Δσι +44 + Δσο
net load
6
4:5 ft
10 ft
5ft x 5ft
Sand
Sand
y=100 lb/ft³
Ysat 122 lb/ft³:"
Ysat 120 lb/ft³:
0.7
C=0.25
Groundwater
table
C=0.06
Preconsolidation pressure = 2000 lb/ft²
(Enter your answer to three significant figures.)
Ασαν
=
lb/ft²
Refer to the figure below, which shows a flexible rectangular area. Given: B₁ = 4 ft, B₂ = 6 ft, L₁ = 8 ft, and L2 = 10 ft. If the area is subjected to a uniform load of 4100 lb/ft², determine the stress increase at a
depth of 10 ft located immediately below point O. Use the table below.
T
B(1)
3
B(2)
2
L(1)
*
4
L2)
Table 1 Variation of Influence Value I
n
m 0.8
0.9
1.0
1.2
1.4
0.1 0.02576 0.02698 0.02794 0.02926 0.03007
0.2 0.05042 0.05283 0.05471 0.05733 0.05894
0.3 0.07308 0.07661 0.07938 0.08323 0.08561
0.4 0.09314 0.09770 0.10129 0.10631 0.10941
0.5 0.11035 0.11584 0.12018 0.12626 0.13003
0.6 0.12474 0.13105 0.13605 0.14309 0.14749
0.7 0.13653 0.14356 0.14914 0.15703 0.16199
0.8 0.14607 0.15371 0.15978 0.16843 0.17389
0.9 0.15371 0.16185 0.16835 0.1766 0.18357
1.0 0.15978 0.16835 0.17522 0.18508 0.19139
1.1 0.16843 0.17766 0.18508 0.19584 0.20278
(Enter your answer to three significant figures.)
Aσ =
lb/ft²
Chapter 9 Solutions
Essentials of Materials Science and Engineering, SI Edition
Ch. 9 - Prob. 9.1PCh. 9 - Prob. 9.2PCh. 9 - Prob. 9.3PCh. 9 - Prob. 9.4PCh. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - Prob. 9.8PCh. 9 - Prob. 9.9PCh. 9 - Prob. 9.10P
Ch. 9 - Prob. 9.11PCh. 9 - Prob. 9.12PCh. 9 - Prob. 9.13PCh. 9 - Prob. 9.14PCh. 9 - Prob. 9.15PCh. 9 - Prob. 9.16PCh. 9 - Prob. 9.17PCh. 9 - Prob. 9.18PCh. 9 - Prob. 9.19PCh. 9 - Prob. 9.20PCh. 9 - Prob. 9.21PCh. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Prob. 9.24PCh. 9 - Prob. 9.25PCh. 9 - Prob. 9.26PCh. 9 - Prob. 9.27PCh. 9 - Prob. 9.28PCh. 9 - Prob. 9.29PCh. 9 - Prob. 9.30PCh. 9 - Prob. 9.31PCh. 9 - Prob. 9.32PCh. 9 - Prob. 9.33PCh. 9 - Prob. 9.34PCh. 9 - Prob. 9.35PCh. 9 - Prob. 9.36PCh. 9 - Prob. 9.37PCh. 9 - Prob. 9.38PCh. 9 - Prob. 9.39PCh. 9 - Prob. 9.40PCh. 9 - Prob. 9.41PCh. 9 - Prob. 9.42PCh. 9 - Prob. 9.43PCh. 9 - Prob. 9.44PCh. 9 - Prob. 9.45PCh. 9 - Prob. 9.46PCh. 9 - Prob. 9.47PCh. 9 - Prob. 9.48PCh. 9 - Prob. 9.49PCh. 9 - Prob. 9.50PCh. 9 - Prob. 9.51PCh. 9 - Prob. 9.52PCh. 9 - Prob. 9.53PCh. 9 - Prob. 9.54PCh. 9 - Prob. 9.55PCh. 9 - Prob. 9.56PCh. 9 - Prob. 9.57PCh. 9 - Prob. 9.58PCh. 9 - Prob. 9.59PCh. 9 - Prob. 9.60PCh. 9 - Prob. 9.61PCh. 9 - Prob. 9.62PCh. 9 - Prob. 9.63PCh. 9 - Prob. 9.64PCh. 9 - Prob. 9.65PCh. 9 - Prob. 9.66PCh. 9 - Prob. 9.67PCh. 9 - Prob. 9.68PCh. 9 - Prob. 9.69PCh. 9 - Prob. 9.70PCh. 9 - Prob. 9.71PCh. 9 - Prob. 9.72PCh. 9 - Prob. 9.73PCh. 9 - Prob. 9.74PCh. 9 - Prob. 9.75PCh. 9 - Prob. 9.76PCh. 9 - Prob. 9.77PCh. 9 - Prob. 9.78PCh. 9 - Prob. 9.79PCh. 9 - Prob. 9.80PCh. 9 - Prob. 9.81PCh. 9 - Prob. 9.82PCh. 9 - Prob. 9.83PCh. 9 - Prob. 9.84PCh. 9 - Prob. 9.85PCh. 9 - Prob. 9.86PCh. 9 - Prob. 9.87PCh. 9 - Prob. 9.88PCh. 9 - Prob. 9.89PCh. 9 - Prob. 9.90PCh. 9 - Prob. 9.91PCh. 9 - Prob. 9.92PCh. 9 - Prob. 9.93PCh. 9 - Prob. 9.94PCh. 9 - Prob. 9.95PCh. 9 - Prob. 9.96PCh. 9 - Prob. 9.97PCh. 9 - Prob. 9.98PCh. 9 - Prob. 9.99PCh. 9 - Prob. 9.100PCh. 9 - Prob. 9.101PCh. 9 - Prob. 9.102PCh. 9 - Prob. 9.103PCh. 9 - Prob. 9.104PCh. 9 - Prob. 9.105PCh. 9 - Prob. 9.106PCh. 9 - Prob. 9.107PCh. 9 - Prob. 9.108PCh. 9 - Prob. 9.109PCh. 9 - Prob. 9.110PCh. 9 - Prob. 9.111DPCh. 9 - Prob. 9.112DPCh. 9 - Prob. 9.113DPCh. 9 - Prob. 9.114DPCh. 9 - Prob. 9.115DPCh. 9 - Prob. 9.116CPCh. 9 - Prob. 9.117CPCh. 9 - Prob. 9.118CPCh. 9 - Prob. K9.1KPCh. 9 - Prob. K9.2KP
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