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Masonry Exam 1 with Complete Solutions
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Masonry Exam 1 with Complete Solutions
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Masonry Exam 1 with Complete SolutionsWhat are the two methods for determining masonry compressive strength per TMS 602?
Correct Ans-Unit Strength Method
Prism Strength Method
What provisions must be met in order to use unit strength method? Correct Ans-
Conformance to appropriate ASTM Standards
Mortar Joint Thickness
Grout Requirements
How do prism testing compressive strengths compare to those in the tables? Correct Ans-
they are more accurate
Where to flexural cracks primarily form? Correct Ans-at the unit to mortar interface
Bond strength is primarily a function of? 6 things Correct Ans-Direction of stress
Type of Mortar used
Mortar system selected
Extent grouting
Whether units are solid or hollow
Air content of mortor
What is masonry? Correct Ans-The assemblage of individual units, which may be of the same
or different kind of material. They may be bonded together in some way to perform an intended
function.
Early codes "recipes" pertained to what? Correct Ans-Wall thickness and max building height
, What is the code for masonry? Correct Ans-TMS 402
What is the specification for masonry? Correct Ans-TMS 602
What does the code address? Correct Ans-Design and construction of masonry structures
What does the specs address? Correct Ans-Min. life safety related const. requirements for
masonry structures, and min quality assurance requirements
What do masonry structures have to have in order to be accepted? Correct Ans-Preparation
Placement
Tolerances
Cleanliness
True or False. TMS 602 requires masonry units to be covered with waterproof sheets for
protection from the weather, ect.? Correct Ans-False, but good practice
True or False. Dry masonry units that have been subjected to freezing temperatures may be
used in construction without damage to the units or to the masonry if proper cold-weather
procedures are followed? Correct Ans-TRUE
True or False. Wet masonry units that have frozen must be thawed prior to use? Correct Ans-
TRUE
What harm can excessive moisture cause in concrete masonry? Correct Ans-Increased
shrinkage potential, cracks
Decreased mason productivity
Decreases mortar to unit bond
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