EBK FOUNDATION DESIGN
3rd Edition
ISBN: 9780133424478
Author: CODUTO
Publisher: YUZU
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Textbook Question
Chapter 2, Problem 2.7QPP
Using the data shown in Figure 2.5 determine the probability that the tangent of the friction angle for the mudstone at the Confederation Bridge site is less than 0.25.
Figure 2.5
Histogram of tangent of residual friction angle of mudstone at the Confederation Bridge site, Canada.
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Students have asked these similar questions
a. Determine the effective area for the case shown in the figure below. Suppose that l = 6 in.
For L5 × 5 × 5/8: A₁ = 5.90 in.², = 1.47 in.
L5 × 5 × 5/8
Weld
(Express your answer to three significant figures.)
A₁ =
in.²
b. Determine the effective area for the case shown in the figure below. Suppose that l = 5 in.
PL³/8 X 4
Weld
(Express your answer to three significant figures.)
Ae =
in.2
2
c. Determine the effective area for the case shown in the figure below.
-5"
PL5/8 X 5
Weld
(Express your answer to three significant figures.)
Ae
in.2
d. Determine the effective area for the case shown in the figure below.
2" 2"
PL1/2 X 512
ос
3/4-in.-diam. bolts
(Express your answer to three significant figures.)
Ae =
in.²
e. Determine the effective area for the case shown in figure below.
PL³/8 X 6
7/8-in.-diam. bolts
(Express your answer to three significant figures.)
Ae=
in.2
A single-angle tension member of A36 steel must resist a dead load of 35 kips and a live load of 84 kips. The length of the member is 18 feet, and it will be connected with a single line of 1-
inch-diameter bolts, as shown in the figure below. There will be four or more bolts in this line. For the steel Fy = 36 ksi and F₁ = 58 ksi. Try the tension members given in the table below.
Tension member
rz (in.)
A, (in.²)
L6 × 6 ×
9.75
1.17
L 5 × 3 × 1/10
4.93
0.746
L5 × 3 × 16
5
2.56
0.758
L5 × 3 × 166
3.31
0.644
Bolt line
a. Select a single-angle tension member to resist the loads. Use LRFD.
A) L 6 × 6 ×
B) L 5 × 3 ×
C) L5 × 3
X
D) L 5 × 3 × 6
-Select- V
What is the required gross area?
(Express your answer to three significant figures.)
Ag =
in.2
What is the required effective area?
(Express your answer to three significant figures.)
Ae =
in.2
What is the minimum radius of gyration?
(Express your answer to three significant figures.)
1min =
in.
b. Select a single-angle tension member to…
In the connection shown in the figure below, the bolts are 15/8-inch in diameter,
and A36 steel is used for all components: Fy = 36 ksi, Fu
= 58 ksi.
21/2"
11½½"
3".
-3"-
料
11/2"
11/2"
О
О
t = 3/8
31/2"
О
О
t = 7/16
Consider both the tension member and the gusset plate and compute the following:
a. the design block shear strength of the connection
(Express your answer to three significant figures.)
Rn
=
kips
b. the allowable block shear strength of the connection
(Express your answer to three significant figures.)
Rn/=
kips
Chapter 2 Solutions
EBK FOUNDATION DESIGN
Ch. 2 - Classify the uncertainty associated with the...Ch. 2 - Figure 2.1 shows the PDF for a normal distribution...Ch. 2 - List three sources of epistemic uncertainty...Ch. 2 - Using a random number generator create a sample of...Ch. 2 - A certain column will carry a dead load estimated...Ch. 2 - A simply supported beam has a length of 3 m and...Ch. 2 - Using the data shown in Figure 2.5 determine the...Ch. 2 - The capacity for a certain foundation system is...Ch. 2 - We wish to design a shallow foundation with a...Ch. 2 - Prob. 2.10QPP
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- 13/2/2025 Concrete Technology Q/ 1:1.5:3/0.62 concrete mix by weight, is to be used in cold weather, cement content = 5 Sack/m³ concreting when the temperature is assumed to be (32 °F), Calculate the temperature of the heated mixing water (in ˚C) to meet specification requirements in similar conditions.arrow_forwardThe tension member shown in the figure below must resist a service dead load of 60 kips and a service live load of 45 kips. Does the member have enough strength? The steel is A588: Fy = 50 ksi, Fu = 70 ksi; and the bolts are 11/8 inches in diameter. Assume that Ae = An. О О PL 3/8 X 71/2 a. Use LRFD. Determine the design strength and the factored load. Make a conclusion about the member. (Express your answers to three significant figures.) Φι Ρη = kips kips Pu = -Select- b. Use ASD. Determine the allowable strength and required strength. Make a conclusion about the member. (Express your answers to three significant figures.) Ft Ae = Pa = -Select- kips kipsarrow_forwardDraw neatly top side frontarrow_forward
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