A straight drilled shaft 1.0 m in diameter and 15.0 m long is installed in a sand

Question:

A straight drilled shaft 1.0 m in diameter and 15.0 m long is installed in a sand where ϕ' = 34° and γ = 18.0 kN/m³.

a. Determine the load-carrying capacity at the base using the Chen and Kulhawy (1994) method.

b. Determine the load-carrying capacity at the base using the Berezantzev et al. (1961) method.

c. Determine the load-carrying capacity of the shaft, assuming δ'/ϕ' = 0.9.

d. With FS = 3, what would be the maximum load that can be allowed on the drilled shaft?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Principles Of Foundation Engineering

ISBN: 9781337705028

9th Edition

Authors: Braja M. Das, Nagaratnam Sivakugan

See More Books

Question Posted: Aug 12, 2020 03:21 AM

See More Questions

A straight drilled shaft of 750 mm diameter and 10 m length is placed in a clay where c u = 120 kN/m 2 , E s = 25,000 kN/m 2 , and s = 0.5. When 1100 kN is applied at the top, 800 kN is carried by...
A 1 m diameter straight drilled shaft is shown in Figure P13.7. Determine the load-carrying capacity of the drilled shaft with FS = 3. Take '/' as 0.8 for the sand. Figure P13.7. Sand y = 18 kN/m3 o'...
A free-headed drilled shaft is shown in Figure P13.10. Let Q g = 260 kN, M g = 0, = 17.5 kN/m 3 , ' = 35, c' = 0, and E p = 22 10 6 kN/m 2 . Determine a. The ground line deflection, xo b. The...
Problem 3: Dorado and Maya are the children of Jess and Sabel. In November 2000 Sabel died intestate leaving P2,000,000 estate before P1,000,000 deductions and P15,000 estate tax. How would the...
Suppose that 10% of the fields in a given agricultural area are infested with the sweet potato whitefly. One hundred fields in this area are randomly selected, and 25 are found to be infested with...
Analyzing changes in a company's equity: Compute the missing amount for each of the following separate companies a through d. File Edit View Insert Format Tools Date Window Help COO BP. A 2. B ZU D 1...
Bonds with the same term to maturity but with smaller coupons have __________ price volatility when interest rates change.
Determine the reactions at supports A and B. Units Used: kip = 103 lb Given: w1 = 500lb/ft w2 = 700lb/ft a = 6 ft b = 8 ft c = 9 ft d = 6 ft w2
The monthly production costs of Sheridan Company for two levels of production are as follows. Indicate which costs are variable, fixed and mixed, and select/dentify the reason for each answer. Cost...
a. Show the dimension EMPLOYEE (with all of its records) if the Type 1 option for handling slowly changing dimensions is applied. b. Show the dimension EMPLOYEE (with all of its records) if the Type...
Figure P12.36 shows a 3 5 pile group consisting of 15 concrete piles of 400 mm diameter and 12 m in length. What would be the maximum load that can be allowed on the mat with a factor of safety of...
Determine the ultimate load-carrying capacity of the drilled shaft shown in Figure P13.4, using the Reese and ONeill (1989) method. Figure P13.4 750 mm Sand 8.0 m y = 16.5 kN/m3 T1.0 m Sand 1.5 m y =...
Draw diagrams to show the following angles. Mark in the acute angle that OP makes with the x-axis. a. 80 b. 100 c. 200 d. 165 e. 145 f. 225 g. 280 h. 330 i. 160 j. 280
Using the figure below, draw the FBD , ?Shear Force and Bending Moment diagrams and find the maximum internal moment for the beam shown. 10 kNm 10 kN 3 m
Suppose the goods market is: Y = 1800 - 100i and the LM curve Y = 500 +591, where x is the last digit of your ID number. Determine the equilibrium income (Y), interest rate (i). Explain the role of...
Complete the chart: [1] Length, L (m) Period, T (s) LogL LogT 0.10 0.63 0.20 0.90 0.30 1.00 0.40 1.27 0.50 1.42 0.60 1.55 0.70 1.68 0.80 1.80 0.90 1.90 1.00 2.02 Plot the data T vs L. [4 (title, axes...
A solid metal sphere with a diameter of 2 cm and a mass of 8 g is used for the following heat transfer experiments. You can assume the temperature throughout the inside of the metal sphere is...
2) A car 1200 kg is in a skid Force of friction 3200N and force of air resistance 1600N. Find the following i) The net force and acceleration of the car ii) The time required to stop from 95 km/hr...
Graph the inequality. y < -2x + 2
d. The characteristic equation of a control system is given by s+2s+8s+12s+20s+16+16=0. Determine the number of the roots of the equation which lie on the imaginary axis of s-plane
The geartrain in the transmission for the Segway Personal Transporter uses helical gears to reduce noise and vibration (Figure P8.28). The vehicles wheels have a diameter of 48 cm, and it has a top...
The mechanism that operates the load/unload tray for holding the disk in a tabletop Blu-rayTM player uses nylon spur gears, a rack, and a belt drive (Figure P8.29). The gear that meshes with the rack...
Explain why the number of teeth on the ring gear in a planetary geartrain is related to the sizes of the sun and planet gears by the equation N r = N s + 2N p .
Chapter o Homew ebook 50,000-unit production quantity: $ 227,049 7 70,000-unit production quantity: $ 66,751 d. In addition to mean profit, what other factors should FTC consider in determining a...
Diamond makes downhill ski equipment. Assume that comic has offered to produce ski poles for Diamond for $20 per pair Diamond needs 200,000 pairs of poles per period Diamond can only avoid 5150,000...
17? Which of the following statement is true Select one: a. All evidence must have the same level of reliability b. All evidence must have the same level of persuasiveness C. All are false d....

A straight drilled shaft 1.0 m in diameter and 15.0 m long is installed in a sand

Question:

Step by Step Answer:

a To determine the loadcarrying capacity of the drilled shaft at the base using the Chen and Kulhawy ...View the full answer

Principles Of Foundation Engineering

Students also viewed these Engineering questions