COMPLETE QUESTIONS AND ANSWERS
FULLY SOLVED
◉What is the minimum length of end support for a lintel? Answer:
4"; 2006 IBC 2104.1.5
◉The use of Z-type cavity wall ties is not permitted in the
construction
of Answer: Ungrouted hollow unit masonry; ACI 530
◉Wythes not bonded by headers must be bonded with wall ties
spaced at a maximum horizontal distance of Answer: 24"; ACI 530,
S-21, Section 3.4C (2)
◉What is the maximum tolerance from the required location
permitted when placing vertical reinforcing bars along the length of
the wall? Answer: 2"; ACI 530
◉Where adjacent wythes of masonry are bonded with adjustable
wall
ties, what is the maximum area of wall permitted to be bonded for
each tie? Answer: 1.77; 2006 IBC 2109.6.3.1.1
, ◉When shear walls are constructed of grouted brick masonry, shear
reinforcement must be anchored around vertical reinforcing bars by
use of Answer: A standard hook.; RGBM 14th Edition, Section
1.13.6.4
◉What is the minimum thickness of coarse grout required between
steel reinforcing bars and the masonry unit? Answer: 1/2"; RCMCI
6th Edition, Section
1.13.3.5.
◉Welds used to splice steel reinforcing bars must conform to the
provisions of Answer: AWS D 1.4; 2006 IBC 2107.6
◉Mechanical connectors shall be used for splicing steel reinforcing
bars larger than Answer: #9; 2006 IBC 2107.6
◉When epoxy coated bars are used, lap lengths must be increased
by Answer: 50%; 2006 IBC 2107.5
◉In masonry not exposed to earth or weather, reinforcing bars shall
have a minimum masonry cover of not less than Answer: 1 1/2";
ACI 530