Page 242 - 2018_IRC

WALL CONSTRUCTION

48″ OR LESS

BRACED WALL PANEL
½″ ANCHOR BOLTS PER
BRACED WALL PANEL
48″ OR LESS REQUIREMENTS
BRACED WALL PANEL
½″ ANCHOR BOLTS PER BRACED #4 BAR
WALL PANEL REQUIREMENTS
BOND BEAM
BOND BEAM WITH 1-#4 BAR

#4 BAR MIN.; FIELD BEND 6″ 48″ MAXIMUM 20″ LAP, TYP.
24″ MAX. #4 BAR
EXTENSION INTO BOND BEAM
6″ MIN. 6″ MIN.

20″ MIN. TYP. 20″ MIN. TYP.
3″ COVER 3″ COVER
SHORT STEM WALL REINFORCEMENT TALL STEM WALL REINFORCEMENT
48″ OR LESS BRACED WALL
PANEL
BRACED WALL PANEL
BOND BEAM
BOND BEAM WITH 1-#4 BAR
48″ MAXIMUM 5 BE PERMITTED TO BE FACE BRICK 8″ MIN. CMU
OPTIONAL
/8″ THREADED RODS SHALL
SUBSTITUTED FOR ANCHOR
BOLTS AND REBAR

8″ MIN.

3″ COVER MIN. 2″ CUT WASHERS
OPTIONAL STEM WALL REINFORCEMENT TYPICAL STEM WALL SECTION
NOTE: GROUT BOND BEAMS AND ALL CELLS THAT CONTAIN
REBAR, THREADED RODS AND ANCHOR BOLTS.

For SI: 1 inch = 25.4 mm.
FIGURE R602.10.9
MASONRY STEM WALLS SUPPORTING BRACED WALL PANELS
R602.10.10.1 Cripple wall bracing for Seismic the required bracing length adjusted by 0.7. If the
Design Categories D and D and townhouses in Seis- required length can still not be provided, the cripple
1
0
mic Design Category C. In addition to the requirements wall shall be designed in accordance with accepted
in Section R602.10.10, the distance between adjacent engineering practice.
edges of braced wall panels for cripple walls along a R602.10.10.2 Cripple wall bracing for Seismic
braced wall line shall be 14 feet (4267 mm) maximum. Design Category D . In Seismic Design Category D ,
2
2
Where braced wall lines at interior walls are not cripple walls shall be braced in accordance with Tables
supported on a continuous foundation below, the adja- R602.10.3(3) and R602.10.3(4).
cent parallel cripple walls, where provided, shall be R602.10.10.3 Redesignation of cripple walls. Where
braced with Method WSP or Method CS-WSP in all cripple wall segments along a braced wall line do
accordance with Section R602.10.4. The length of brac- not exceed 48 inches (1219 mm) in height, the cripple
ing required in accordance with Table R602.10.3(3) for walls shall be permitted to be redesignated as a first-
the cripple walls shall be multiplied by 1.5. Where the story wall for purposes of determining wall bracing
cripple walls do not have sufficient length to provide requirements. Where any cripple wall segment in a
the required bracing, the spacing of panel edge fasten- braced wall line exceeds 48 inches (1219 mm) in
ers shall be reduced to 4 inches (102 mm) on center and height, the entire cripple wall shall be counted as an

2018 INTERNATIONAL RESIDENTIAL CODE ® 217
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.