PRIN.OF GEOTECHNICAL...-MINDTAP(2 SEM)
9th Edition
ISBN: 9781305971271
Author: Das
Publisher: CENGAGE L
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Question
Chapter 3, Problem 3.6P
(a)
To determine
Calculate the porosity of soil.
(b)
To determine
Calculate the dry unit weight of the soil.
(c)
To determine
Calculate the saturated unit weight of the soil.
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https://docs.google.com/spreadsheets/d/1aV5rsxdNjHnkeTkm5VqHzBXZgW-Ptbs3vqwk0SYiQPo/edit?usp=sharing
A
k
000
6 ft
A kips
Bl
D ft
C
C
kips
10 ft
12 ft
E
B k/ft
D
E ft
t
H.W: show that the equations
1. (x+y)dy+(x-y)dx = 0
2. x²dy+(y²-xy)dx = 0
are homogeneous and solve:
Chapter 3 Solutions
PRIN.OF GEOTECHNICAL...-MINDTAP(2 SEM)
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - For a given sandy soil, emax = 0.75 and emin =...Ch. 3 - For a given sandy soil, the maximum and minimum...Ch. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.1CTPCh. 3 - Prob. 3.2CTPCh. 3 - Prob. 3.3CTP
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- Determine the stiffness matirx of the entire truss in Global co-ordinate system, clearly indicate the degrees of freedom numbers in the stiffness matrix.arrow_forwardDetermine the stiffness matrices of elements 2, 3 and 4 in the global co-ordinate system. Assume A=0.0015m2 and E=200GPa, indicate the degrees of freedom in all stiffness matricies.arrow_forwardA short plain concrete column with cross-section dimensions of 12 in x 12 in is to be constructed. If the compressive strength of the concrete (f’c) is 5000 psi, what is the maximum load that can be safely applied to the column? - 600 k - 950 k - 720 k - 347 karrow_forward
- The borrow pit has 2000 cyds of suitable fill. The fill required for the project is 1900 cyds. The swell factor is 10% and the shrinkage factor is 15%. How much more borrow do we need? Or is there extra? - 13 yards extra - 13 yards short - 200 yards extra - 161 yards shortarrow_forwardThe job site has a primary vertical control point with a reference benchmark of 100 ft. An instrument is set up with an HI of 5.42 ft above the BM. A grade stake is set at an elevation of 96 ft. What is the height reading on the rod at the grade stake? - 9.42 ft - 4.00 ft - 1.42 ft - 5.42 ftarrow_forwardAssume you have a simple beam 16 ft long supported on each end by R1 and R2. There is a concentrated load of 900 lb that is 4 ft from R2. Reaction R1 is pinned 12 ft from the load. Reaction R1 is 225 lb and R2 is 675 lb. What is the maximum bending moment in pounds per foot? - 3,600 - 1,800 - 2,700- 900arrow_forward
- A wall form is four-feet high, ten-feet long and ten-feet wide. It is full of fluid concrete. What is the pressure at the bottom of the form? - 86,400 psi - 60,000 psf - 600 psf - 60,000 psiarrow_forwardhe sides of a building are 300 feet long and 200 feet wide. What is the diagonal distance between the opposite corners? - 300 feet - 306 feet - 360.60 feet - 306.6 feetarrow_forwardThe excavation for a square basement requires a 1:2 H:V slope cut back. The external dimensions of the footings are 30 x 30 feet. The excavation is 8 feet deep and you need to add 2 feet on each side to install the footing forms. What is the volume of cubic yards of excavation? - 486.7cy - 13140cy - 858.8cy - 429.4cyarrow_forward
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