A 15m long precast pile is to be lifted at two points from casting bed. 37. At what equal distance from the ends should the pile be lifted so that the maximum bending stress is the least possible. а. 2.10 m b. 3.10 m c. 4.10 m d. 5.10 m

A 15m long precast pile is to be lifted at two points from casting bed. 37. At what equal distance from the ends should the pile be lifted so that the maximum bending stress is the least possible. а. 2.10 m b. 3.10 m c. 4.10 m d. 5.10 m

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Sheet-pile Walls

Section: Chapter Questions

Problem 18.10P

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

ANSWER SHOULD BE

ANSWER KEY:

37) 3.10 m

38) 3.75 m

39) 153 kN·m

SITUATION 13.
A 15m long precast pile is to be lifted at two points from casting bed.
37. At what equal distance from the ends should the pile be lifted so that the maximum bending
stress is the least possible.
а. 2.10 m
b. 3.10 m
c. 4.10 m
d. 5.10 m
38. At what equal distance from the ends should the pile be lifted so that the resulting shear is
smallest?
c. 3.57 m
d. 3.75 m
a. 2.57 m
b. 2.75 m
39. As the pile is being lifted, its left and is laid on the ground while it is supported at 2.5m from the
right end. At this instance, what is the resulting maximum positive moment due to its weight of
8.5 kN/m.
а. 150 kN-m
b. 151 kN-m
c. 152 kN-m
d. 153 kN-m

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