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MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 2 terms (12 months)
9th Edition
ISBN: 9781305971264
Author: Braja M. Das; Khaled Sobhan
Publisher: Cengage Learning US
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Textbook Question
Chapter 2, Problem 2.7P
Repeat Problem 2.4 with the following data.
2.4 The following are the results of a sieve analysis.
a. Determine the percent finer than each sieve and plot a grain-size distribution curve.
b. Determine D10, D30, and D60 for each soil.
c. Calculate the uniformity coefficient Cu.
d. Calculate the coefficient of gradation Cc.
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2. Using the Green-Ampt Model, compute the infiltration rate, f,
and cumulative infiltration, F, after one hour of infiltration
into a sandy clay loam soil. Assume initial moisture
conditions are midway between the field capacity and wilting
point and that water is ponded to a small but negligible depth
on the surface.
Assignment 1
Q1) Determine the member end forces of the frames shown by utilizing structural symmetry and anti-symm. (Derive each
member forces and show BMD,SD,AFD)
20 kN/m
40 kN/m
C
D Hinge Ẹ
G
A
-3m 5m
B
5 m 3 m-
E, I, A constant
12 m
A1.3- Given the floor plan shown in Figure 3. The thickness of the slab is 150mm. The floor finish, ceiling and
partition load is 1.8 kN/m². The live load on the floor is 2.4 kN/m². The beams cross section dimension is
300mmx600mm. Assuming the unit weight of concrete is equal to 24 kN/m². It is required to:
a) Show tributary areas for all the beams on the plan;
b) Calculate the load carried by beams B1 (on gridline A, between 1 and 3), B2 (on gridline B, between 1 and
3)and B3 (on gridline 3, between A and C);
c) Calculate the load carried by column C1 per floor (ignore the self weight of the column).
A
1
B1
2
B2
B
Cl
8.0 m
Figure 3
8.0 m
B3
23
3
*2.0m
5.0 m
4.0 m
+1.5m+
Chapter 2 Solutions
MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 2 terms (12 months)
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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