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A foundation uses a number of wide concrete pads, each of which supports a raised block of concrete. These blocks in turn support the underside of the house superstructure. This type of foundation is known as a:

A. monolithic slab
B. foundation wall
C. reinforced bar
D. pier and beam


Sagot :

Final answer:

Pier and beam construction, reinforced concrete foundations, and reducing liquefaction risks through engineering techniques.


Explanation:

Pier and beam construction is a type of foundation where the house superstructure is supported by raised blocks of concrete resting on wide concrete pads. This method provides a sturdy base for the construction above.

By using reinforced concrete foundations with a grid of steel rods (re-bar), the foundation gains tensile strength, ensuring stability and support for the structures built on it.

Foundation-engineering techniques such as driving deep piles or piers can help reduce liquefaction risks in areas prone to earthquakes by strengthening the soil and preventing damage to structures.


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