Micropile Introduction

Continuing education for professional engineers.

Micropile Introduction

New micropile courses coming soon:
Micropile Design – Part 2 – 4 PDH
Micropile Testing & Inspection – 4 PDH
Mciropile Contracting, Feasability, & Cost – 2 PDH

Micropile Introduction – 3 PDH
(rev Apr 2013)

Course source material: Chapters 1, 2, & 3 of U.S. Dept. of Transportation, Federal Highway Administration, Publication No. FHWA-SA-97-070: Micropile – Design and Construction Guidelines Manual, 379 p., June 2000.

Available at: http://isddc.dot.gov/OLPFiles/FHWA/009966.pdf (30 MB)

3 PDH credits awarded upon successful completion ( 7 correct answers) of the quiz below. Answer with the MOST correct choice. For proof of successful completion copy and paste the answer sheet, including contact information, at the end of the quiz with your answers into an email and send it to: jbleeak@gmail.com.

Prepared by Joe Leeak, P.E.

Regular online price: $30

You determine the price for your course! Most online continuing education providers charge $10 per online PDH, or more, but PDH As Required allows you to determine the price.

This course is not offered for free, please make a minimum $6 donation.

 



(Donations can only be accepted through an approved PayPal or credit card payment with a confirmed PayPal address)

Micropile Introduction Quiz – 3 PDH

1. Replacement piles are members that are driven or vibrated into the ground, thereby displacing the surrounding soil laterally during installation. [1.B]

a. True

b. False

2. The micropile classification system consists of a two part designation:[2.A]

a. a number indicating pile behavior and a letter designating grouting method.
b. a letter indicating pile behavior and a number designating grouting method.
c. a number indicating pile length and a letter designating grouting method.
d. a letter indicating pile behavior and a number designating grout strength.
e. none of the above.

3. The method of grouting is generally not the most sensitive construction control over grout/ground bond capacity. [2.A.2]

a. True
b. False

4. Case 1 micropile types typically used [3.A]:

a. Types A & C
b. Types A & E
c. Types A, B, & D
d. Types A through D
e. None of the above

5. Micropile construction can be executed with only small reductions to the existing foundation capacity. [3.B.2]

a. True
b. False

6. Micropiles may be economically feasible for bridge foundation
retrofits having one or more of the following constraints [3.B.3]:

a. Restrictions on footing enlargements
b. Vibration and noise restrictions.
c. Low headroom clearances
d. Hazardous soil sites.
e. All of the above

7. The drilling and grouting equipment used for micropile installation is relatively large and can
be hard to mobilized in restrictive areas. [3.D.1]

a. True
b. False

8. [ ______________ ] cause minimal impacts to micropile installations. [3.D.2]

a. Soft clay.
b. High ground water.
c. Running sandsand.
d. All of the above.
e. None of the above.

9. The lineal cost of micropiles is usually less than that of conventional piling systems, especially driven piles. [3.D.5]

a. True
b. False

10. Selection of a micropile system should include the costs of [3.D.6]:

a. Dewatering
b. Erosion control
c. Utility realignment
d. all of the above
e. none of the above

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3 PDH credits awarded upon successful completion ( 7 correct answers) of the quiz below. Answer with the MOST correct choice. For proof of successful completion copy and paste the answer sheet, including contact information, at the end of the quiz with your answers into an email and send it to: jbleeak@gmail.com.

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QUIZ ANSWER SHEET

Micropile Introduction Quiz - 3 PDH

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Address:

City:

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Zip:

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EMAIL:

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