EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
9th Edition
ISBN: 8220103611718
Author: SOBHAN
Publisher: CENGAGE L
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Chapter 2, Problem 2.12P
Repeat Problem 2.11 with the following data.
2.11 The grain-size characteristics of a soil are given in the following table.
a. Draw the grain-size distribution curve.
b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system.
c. Repeat Part b using the USDA system.
d. Repeat Part b using the AASHTO system.
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steel design
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SITUATION 1: A W250 x 131 is used as a column with an unbraced length of 8 m with respect to the x-x axis
and 4 m with respect to the y-y axis. Assume an A36 steel member, pin-connected at the top and fixed at the
bottom. Assume that the column is pin connected at mid-height. Use NSCP 2001 NSCP. Fy = 250 MPa.
Properties of W250 x 131:
A = 16,774 mm²
d=274 mm
bf=262 mm
tf=25 mm
tw = 16 mm
Ix=222.268 x 10 mm
ly = 74.505 x 10° mm*
Effective Length Factors:
Pinned at both ends, K = 1.0
Pinned at one end and fixed at the other, K = 0.8
1. What is the value of the slenderness ratio to be used for the column?
2. What is the nominal axial stress?
3. What is the design axial load?
1. 60.019
2. 206.543 MPa
3. 3118.091 kN
Chapter 2 Solutions
EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
Ch. 2 - For a gravel with D60 = 0.48 mm, D30 = 0.25 mm,...Ch. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - The following are the results of a sieve analysis....Ch. 2 - Repeat Problem 2.4 with the following data. 2.4...Ch. 2 - Repeat Problem 2.4 with the following data. 2.4...Ch. 2 - Repeat Problem 2.4 with the following data. 2.4...Ch. 2 - The following are the results of a sieve and...Ch. 2 - Repeat Problem 2.8 using the following data. 2.8...Ch. 2 - Repeat Problem 2.8 using the following data. 2.8...
Ch. 2 - The grain-size characteristics of a soil are given...Ch. 2 - Repeat Problem 2.11 with the following data. 2.11...Ch. 2 - Repeat Problem 2.11 with the following data. 2.11...Ch. 2 - A hydrometer test has the following result: Gs =...Ch. 2 - Repeat Problem 2.14 with the following values: Gs...Ch. 2 - Three groups of students from the Geotechnical...Ch. 2 - Refer to Problem 2.C.1. Results of the sieve...
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