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On the basis of use, there are two major classifications for piles: -
ANSWER ✔✔Sheet and load-bearing
What are the types of soils in the correct order (according to ASTM size
limits), from largest to the finest? - ANSWER ✔✔Boulders - Gravel -
Sand - Silt - Clay
What is the most commonly used laboratory compaction test accepted
by highway departments and other agencies? - ANSWER ✔✔Proctor
test
,What are the more commonly used technologies for real-time monitoring
and control of haul trucks? - ANSWER ✔✔Global Positioning System
and Radio Frequency Identification
Continued hammering after the pile meets refusal, leads to: -
ANSWER ✔✔Overdriving
(Driving concrete piles) In order to prevent the development of torsional
stresses during pile driving, it is recommended that... - ANSWER
✔✔The driving cap fits loosely around the top of the pile
A vibratory hammer drives a pile through a combination of ...
a.)Drop of a heavy ram, and hydraulic energy
b.)Driving force, frequency, amplitude, and free-hanging weight
c.)The impact force of a ram and frequency
d.)Mechanical and hydraulic energy, combined the vibration -
ANSWER ✔✔b.)Driving force, frequency, amplitude, and free-
hanging weight
The impact hammer efficiency is defined as...
a.)The ratio of kinetic energy of the ram immediately after the impact
divided by the rated energy
, b.)The ratio of mechanical energy of the ram immediately after the
impact divided by the rated energy
c.)The ratio of kinetic energy of the ram immediately prior to impact
divided by the rated energy
d.)The ratio of hydraulic energy of the ram immediately after the impact
divided by the rated energy - ANSWER ✔✔c.)The ratio of kinetic
energy of the ram immediately prior to impact divided by the rated
energy
A mass diagram is a cumulative running total of the surplus or deficient
material quantities along the project profile. (T/F) - ANSWER ✔✔True
All piles depend on either the friction between the surface of the pile and
the soil, or the load transmission to the soil through the pile's lower tip.
(T/F) - ANSWER ✔✔False
If timber piles remain constantly in contact with water (wholly below the
water table) they will deteriorate after a short period of time. (T/F) -
ANSWER ✔✔False
Steel pipe piles are least efficient as friction piles as they have
substantial surface area that interacts with the surrounding soil to
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