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Materials CE 200 Seminar Final Exam Quiz 2 - Aggregates and Masonry
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Materials CE 200 Seminar Final Exam Quiz 2 - Aggregates and Masonry
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MATERIALS CE 200 SEMINAR FINALEXAM QUIZ 2 - AGGREGATES AND
MASONRY COMPLETE DETAILED CASE
STUDY
y Walls constructed of masonry may be - 1) Structural/Load-bearing/Exterior walls
2) Non-structural, such as partition (interior) walls
3) Non-structural, such as veneer walls
partition walls - Non-loadbearing wall's that subdivide areas of a floor
veneer walls - non-loadbearing walls used for aesthetic
Good PHYSICAL properties of Aggregates - size, shape, texture, specific gravity, etc.
Good CHEMICAL properties of Aggregates - reactivity, as in resistance to chemical attacks
Good MECHANICAL properties of Aggregates - impermeability, volume stability, hardness, toughness,
soundness, porosity, etc.
T/F
For PCC :
Rounded and smoothed textured coarse aggregates are better than Angular and porous textured
aggregates - True
T/F
For Asphalt Concrete:
, Rounded and smoothed textured coarse aggregates are better than Angular and porous textured
aggregates - False
T/F
For Asphalt concrete:
Angular, Rouch and Porous textured Course Aggregates are better than rounded/smoother aggregates -
True
T/F
For PCC:
Angular, Rouch and Porous textured Course Aggregates are better than rounded/smoother aggregates -
False
T/F
As the trend to use recycled concretes and crushed rocks to supply coarse aggregate (CA) for PCC — in
response to diminishing naturally available gravel along river beds — the use of chunky but angular, and
less than completely smooth-textured CA is now normal. - True
T/F
In subscribing to the philosophy of "what is available, that is the best", increasingly, there seems to be
little distinctive differentiation between the coarse aggregates (CAs) used in PCC and asphalt concrete
(AC) - True
Masonry mortar is classified by: - The proportion of the PC, lime, and sand, as well as the compressive
strength
T/F
Masonry mortar is classified by its proportion of Lime and sand, plus its compressive strength - True
T/F
Masonry mortar is classified by the silt content of aggregate - False
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