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AIC REAL EXAM CHAP;4 130 QUESTIONS AND CORRECT ANSWERS 204-2025 LATEST GRADED A+ Steel and precast concrete are commonly installed by£19.54
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AIC REAL EXAM CHAP;4 130 QUESTIONS AND CORRECT ANSWERS 204-2025 LATEST GRADED A+ Steel and precast concrete are commonly installed by
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AIC REAL
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AIC REAL
AIC REAL EXAM CHAP;4 130 QUESTIONS AND CORRECT
ANSWERS 204-2025 LATEST GRADED A+
Steel and precast concrete are commonly installed by
AIC REAL EXAM CHAP;4 130 QUESTIONS AND CORRECT
ANSWERS 204-2025 LATEST GRADED A+
Steel and precast concrete are commonly installed by
AIC REAL EXAM CHAP;4 130 QUESTIONS AND CORRECT
ANSWERS 204-2025 LATEST GRADED A+
Steel and precast concrete are commonly installed by ____ - ANSWER-pile drivers
a ____ is a mechanical piece of equipment that drives a piling into the ground by striking the head of the
piling. - ANSWER-pile driver
_____ are the simplest type of pile drivers. - ANSWER-drop hammer pile driver
a ____ consists of a heavy weight that is raised by a cable along a guided track and then dropped freely
onto the head of the pile - ANSWER-drop hammer pile driver
______ uses a mechanical actuated piston and hammer to drive pile into the ground; can be powered by
internal combustion, steam, compressed air, or hydraulics - ANSWER-mechanical hammer pile driver
____ rapidly vibrates the head of the pile in up-and-down cycles while placing downward pressure,
which causes the soil and piling to expand and contract, relieving friction and driving the piling
downward - ANSWER-vibratory hammer pile driver
_____ uses pipes to deliver concentrated jets of water or air to loosen the soil directly beneath the
piling, relieving friction and driving the piling downward. - ANSWER-pile jetting
cast-in-place concrete piles are often drilled using _____ - ANSWER-pile drillers
_____ utilize a large steel auger to bore a hole into the ground that can then be filled with concrete -
ANSWER-pile drillers
what three pieces of equipment are commonly used in construction to stabilize the sides of open
excavations and work areas?
a. sheet pilings
b. cofferdams
, c. tiebacks
d. all of the above - ANSWER-d. all of the above
_____ are designed to stabilize the sides of open excavations by resisting the lateral pressure of soil and
water. - ANSWER-sheet pilings
____ interlock to one another along their vertical joints and are installed in a manner similar to that
used for other piles, often by a pile driver. - ANSWER-sheet pilings
____ are temporary enclosure primarily used to hold back water for activities requiring a dry work area,
and are commonly used in bridge construction. - ANSWER-cofferdams
_____ are the simplest method of constructing a cofferdam but are often limited in use because of the
large area required. Cofferdams are more commonly constructed using ____ with structural bracing. A
combination of both can also be used. - ANSWER-earthen embankments; sheet piles
This type of cofferdam is constructed by driving sheet piles through water or mud and into stable soil
below, forming a watertight, boxlike, or circular structure. Once sheet piles are in place, they are
structurally braced, and the water is pumped out.
a. sheet piling cofferdams
b. earthen embankment cofferdams - ANSWER-a. sheet piling cofferdams
T or F; Pile foundations are intended for vertical loads - ANSWER-true
a _____ bracing system is an external bracing system that uses metal rods or wires anchored into rock or
soil outside of an excavation to support the face of an excavation. - ANSWER-tieback
Which type of bracing system provides larger clear work areas with the excavation?
a. tieback bracing systems
b. internally braced systems - ANSWER-a. tieback bracing systems
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