Foundation Design: Principles and Practices (3rd Edition)
3rd Edition
ISBN: 9780133411898
Author: Donald P. Coduto, William A. Kitch, Man-chu Ronald Yeung
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.10QPP
A timber pile 400 mm in diameter is subjected to the following axial compressive loads:
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a 15-meter precast concrete pile is to be lifted. if the unit weight of concrete is 23.54 kN/m3. And the section of the pile measures 400 mm by 400 mm.
A precast concrete pile of size 30 x 30 is driven by a 300 kg drop hammer with a height of fall of 1.5 m. The allowable pile load is 2000 kg. Considering a factor of safety 6 what is the final set per blow using Engineering News Formula
Explain these two questions based on pile foundations in about 8-10 lines.
i) How do the soil stress states and strain states change by the installation and structural loads?
ii) Is the analysis of the load capacity of a pile is exact or is it an approximation?
Chapter 5 Solutions
Foundation Design: Principles and Practices (3rd Edition)
Ch. 5 - The second paragraph of this chapter argues that a...Ch. 5 - Why would the AASHTO separate structural dead...Ch. 5 - A proposed column has the following design loads:...Ch. 5 - Prob. 5.4QPPCh. 5 - A proposed column has the following design...Ch. 5 - Prob. 5.6QPPCh. 5 - A certain foundation will experience a bearing...Ch. 5 - A bridge foundation has a nominal load capacity of...Ch. 5 - A steel pile foundation with a cross-sectional...Ch. 5 - A timber pile 400 mm in diameter is subjected to...
Ch. 5 - A seven-story steel-frame office building will...Ch. 5 - A two-story reinforced concrete art museum is to...Ch. 5 - A 40ft60ft one-story agricultural storage building...Ch. 5 - A sandy soil has 0.03 percent sulfates. Evaluate...Ch. 5 - A certain clayey soil contains 0.30 percent...Ch. 5 - A series of 50 ft long steel piles are to be...Ch. 5 - Prob. 5.17QPPCh. 5 - Prob. 5.18QPPCh. 5 - Prob. 5.19QPPCh. 5 - Prob. 5.20QPPCh. 5 - You are designing a pedestrian bridge to cross a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Under what conditions will tensile stresses be generated in pile driving? In what situations should this be of a concern?arrow_forwardStresses Due to Combined Loads: The 300-mm-diameter concrete pile is pushed into the soil by the 600-kNforce while being rotated about its axis by the torque T. Find the largest allowable value of T (kN-m) for which the tensile stress in the pile does not exceed 1.8 MPa.arrow_forwardi) How do the soil stress states and strain states change by the installation and structural loads? ii) Is the analysis of the load capacity of a pile is exact or is it an approximation? please tell this is in brief. please reply quickly.arrow_forward
- Explain these two questions based on pile foundations: i) How do the soil stress states and strain states change by the installation and structural loads? ii) Is the analysis of the load capacity of a pile is exact or is it an approximation?arrow_forwardDescribe about the Relation between pile capacity and driving.arrow_forwardEstimate ultimate capacity of a timber pile with tip diameter of 180 mm and top diameter of 360 mm, driven to 12 m depth in the following soil profile: 0-3m sand: medium dense 3-7m clay: clay: with unconfined compressive strength 100 kPa compressive strength 200 kPa 7-11m 11-15m gravel: N6o=30 Water Table at 3m depth Assume soil unit weight 19 KN/m³arrow_forward
- A 15 m long Douglas fir pile with a head diameter of 250 mm will be subjected to a compressive load of 500 kN. There are no shear or moment loads. Is this design satisfactory from a structural engineering perspective?arrow_forwardA concrete pile of size 50 cm x 50 cm is to be provided in a clay stratum whose unconfined compressive strength is 110 kPa. Compute the minimum length of pile required to carry safe working load of 450 kN with a factor of safety 2.5. Assume adhesion factor as 0.6.arrow_forwardDiscuss about the Carrying capacity of single pile in granular and cohesive soil ?arrow_forward
- Compute the compressive force at the most stressed pile for each pile cap given in the table below. All column loads are unfactored and acting at the pile group centroid unless noted otherwise. My LL My (kN*m) y Pile Cap DL (kN)* LL(kN) LL Mx (kN*m) PC-1 1800 300 400 350 PC-2 1800 300 400 350 Mx *Pile cap weight is not included in the DL Notes: Pile diameter=600mm Use a pile cap thickness of 450mm for all cases with a conc unit wt of 23.5kN/m? PC-1 РС-2 3600 3600 1800 1800 1200 000 0081 009Sarrow_forwardHow does the Pile capacity can be determined?arrow_forwardDescribe the Basic concepts of pile capacity related to soil support.arrow_forward
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