If a solidly-filled collar joint is specified in a multi-wythe wall consisting of a 4-inch nominal outer wythe of brick and a 4-inch inner wythe of CMU, what should the collar joint width ideally be? A. 1/2" - 3/4", B. 3/4" - 1" C. 1" - 1 1/2", D. 1 1/2" - 2"
A load bearing wall constructed of concrete or masonry supports a minimum load that is: A. >100 pounds per lineal foot, B. >150 pounds per square foot, C. >200 pounds per lineal foot, D. >200 pounds dead load per square foot
Identify this brick size: A. Roman B. Saxon C. Norman D. Queen E. Double utility Answer C. Norman. Same height as standard, but length of a utility brick.
The effective flange width of masonry shear walls is 6x the thickness of the wall. Which of the following methods are permitted to connect the web to flanges of a masonry shear wall that uses running bond? A. use 24" long metal straps @ 16" o.c. vertically in grouted cells at the intersection B. connect web to flanges with bond beams @ 4'-0" o.c. vertical max and grouting C. lap the running bond in a "T" geometry over the common intersection D. all of the above E. none of the above Answer D. all of the above - are permitted methods. ARE 4.0 exam prep: SS Reference note: Although a line drawing from the ACI 530-92 Commentary is the source for at least one sample question in NCARB's current exam guide for Structural Systems, IBC 2006 references ACI 530-05 and I have not been able to confirm whether this illustration is still contained in the standard applicable to this exam.
What is the primary advantage to setting major dimensions of masonry walls based on modular unit sizes? Choose 2 A. maximize protection against water B. strengthen appearance of bond patterns C. minimize number of cuts D. accommodate expansion and contraction of masonry Answer B. strengthen appearance of bond patterns and C. minimize the cutting of the masonry units (which helps economize labor time and cost). ARE 4.0 exam prep: BDCS
A gravity wall is a type of retaining wall that relies on the force of its own weight to remain upright. As a rule of thumb, gravity walls are suitable for retained heights up to A. 5 feet B. 8 feet C. 10 feet D. 12 feet E. 15 feet Answer C. 10 feet ARE 4.0 exam prep: SPD
These houses in Harlem in upper Manhattan, are called brownstones after their stone cladding. What type of stone is brownstone? Answer Brownstone refers to a brown sandstone. ARE 4.0 exam prep: BDCS
Which CSI division includes product specifications for glass block, hollow or solid? A. division 9 B. division 4 C. division 8 D. division 10 Answer C. division 4, 04270 glass unit masonry ARE 4.0 exam prep: CDS
Which of the following types of unit masonry is composed of an enriched clay that has been fired at a high temperature, is often used for cladding, does not off gas and is noncombustible? (choose 2) A. Brick B. Concrete block C. Clay tile D. Ceramic veneer E. Terra cotta F. Gypsum block Answer D and E. Terra cotta in panels used for exterior cladding is also known as ceramic veneer. ARE 4.0 exam prep: BDCS
What distinguishes the English Bond pattern from the Dutch Bond pattern in this image? Answer In the English Bond, stretchers are aligned; In the Dutch (cross), stretchers move by a half each course (not aligned). ARE 4.0 exam prep: BDCS
Why should mortar strength always be weaker than the masonry it is used with? Answer The mortar should take stress instead of the masonry, to prevent cracking in the masonry rather than the mortar, which is easier to repair. ARE 4.0 exam prep: BDCS
Limestone belongs to which of the following classifications of rock? A. Igneous B. Sedimentary C. Metamorphic Answer B. Sedimentary ARE 4.0 exam prep: BDCS
What is the thickness of a solid brick wall if its maximum unsupported height is 80 inches or 6 ft 8 inches? Answer 4 inches (80/20 ratio length to thickness = 4) ARE 4.0 exam prep: SS
Where hollow units make up a multi-wythe wall, bonded by masonry headers, if the stretcher courses are bonded at vertical intervals up to 34", units must lap the units below by at least ____ inches? A. 1.5 inch B. 2.5 inches C. 3 inches D. 3-5/8 inches E. 4 inches Answer C. 3 inches ARE 4.0 exam prep: BDCS
A steel lintel is used to span an opening in a masonry wall. What is the minimum length the lintel should bear on each side of the supporting masonry? Answer 6 inches ARE 4.0 exam prep: SS
What is the term for a brick laid vertically with the broad side exposed? A. Stretcher B. Header C. Soldier D. Sailor E. Shiner Answer D. Sailor. ARE 4.0 exam prep: BDCS
Per IBC, what is the maximum unsupported height of a cavity wall made up of 4 inch brick facing, 2 inches air space and a 4 inch concrete block backup? Answer (4+4)(18)=144 inches or 12 feet ARE 4.0 exam prep: BDCS
What does a fire cut wood joist prevent in masonry walls? Answer If the wood fails and falls inward, the fire cut ends would not push the pocketed masonry up and out (further structural collapse). ARE 4.0 exam prep: BDCS
In larger buildings, expansion joints should be spaced every ___ ft to _____ft along unbroken masonry wall lengths. Answer 100-125 ft. (in Ballast, this range is given as every 100-150 ft. ARE 4.0 exam prep: BDCS