{"id":208495,"date":"2024-10-19T13:26:32","date_gmt":"2024-10-19T13:26:32","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/icc-guideto2018ircwoodwallbracing-2018-pdf\/"},"modified":"2024-10-25T06:09:17","modified_gmt":"2024-10-25T06:09:17","slug":"icc-guideto2018ircwoodwallbracing-2018-pdf","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/icc\/icc-guideto2018ircwoodwallbracing-2018-pdf\/","title":{"rendered":"ICC Guideto2018IRCWoodWallBracing 2018.pdf"},"content":{"rendered":"

2020 City of Los Angeles amendment pages for integration with the 2019 California Building Code<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nA GUIDE TO THE 2018 IRC\u00ae WOOD WALL BRACING PROVISIONS <\/td>\n<\/tr>\n
2<\/td>\nCOPYRIGHT <\/td>\n<\/tr>\n
3<\/td>\nTABLE OF CONTENTS <\/td>\n<\/tr>\n
5<\/td>\nPREFACE <\/td>\n<\/tr>\n
7<\/td>\nINTERNATIONAL CODE COUNCIL
APA \u2013 THE ENGINEERED WOOD ASSOCIATION <\/td>\n<\/tr>\n
8<\/td>\nHOW TO USE THIS GUIDE <\/td>\n<\/tr>\n
9<\/td>\nCHAPTER 1 WALL BRACING: WHY IT’S NEEDED AND HOW IT WORKS <\/td>\n<\/tr>\n
10<\/td>\nVERTICAL LOADS
LATERAL LOADS <\/td>\n<\/tr>\n
11<\/td>\nWIND FORCES
FIGURE 1.1 WIND FORCES ACTING ON A STRUCTURE <\/td>\n<\/tr>\n
12<\/td>\nFIGURE 1.2 MAP OF ULTIMATE DESIGN WIND SPEEDS
FIGURE 1.3 MAP OF REGIONS THAT REQUIRE WIND DESIGN <\/td>\n<\/tr>\n
13<\/td>\nSEISMIC FORCES
FIGURE 1.4 EARTHQUAKE FORCES ACTING ON A STRUCTURE <\/td>\n<\/tr>\n
14<\/td>\nFIGURE 1.5 PORTION OF SEISMIC DESIGN CATEGORIES-SOIL SITE CLASS A, B, OR D MAP <\/td>\n<\/tr>\n
15<\/td>\nDETERMINING WIND AND SEISMIC REQUIREMENTS <\/td>\n<\/tr>\n
16<\/td>\nIMPORTANT TERMINOLOGY <\/td>\n<\/tr>\n
17<\/td>\nWHAT IS THE LATERAL LOAD PATH?
FIGURE 1.6 CRITICAL PARTS AND FLOW OF THE LOAD PATH <\/td>\n<\/tr>\n
18<\/td>\nWHAT IS THE VERTICAL LOAD PATH?
FIGURE 1.7 EXAMPLE OF VERTICAL LOAD PATH <\/td>\n<\/tr>\n
19<\/td>\nCRITICAL PARTS OF THE LATERAL LOAD PATH
1. THE RECEIVING WALL <\/td>\n<\/tr>\n
20<\/td>\nFIGURE 1.8 WALL COVERING IS AN ESSENTIAL PART OF THE FIRST STEP OF THE LOAD PATH FOR WIND. THE WALL STUDS CAN BE SEEN BEHIND THE FAILED WALL COVERING SYSTEM. THE FAILURE COULD HAVE BEEN DUE TO VARIOUS REASONS. APPROVED WALL COVERINGS INSTALLED PER CODE WOULD MOST LIKELY HAVE BEEN ABLE TO WITHSTAND THE PRESSURE OF THE WIND.
FIGURE 1.9 NOT ALL WALL COVERINGS ARE BY THEMSELVES CAPABLE OF RESISTING CODE-REQUIRED WIND PRESSURES (SEE IRC TABLE R301.2(2)). THIS HOUSE WAS SUBJECTED TO AN 85 MPH WIND. FAILURE COULD HAVE BEEN DUE TO MULTIPLE ISSUES, INCLUDING IMPROPER INSTALLATION, FLYING OBJECT DAMAGE OR EVEN INSUFFICIENT STRUCTURAL INTEGRITY OF THE WALL SHEATHING USE.
FIGURE 1.10 THE HOUSE IN FIGURE 1.10 DISPLAYS A PARTIAL FAILURE OF THE WALL COVERING SYSTEM. IN THIS CASE, IT WAS BRICK VENEER INADEQUATELY ATTACHED TO FRAMING\/SHEATHING. <\/td>\n<\/tr>\n
21<\/td>\n2. CONNECTIONS AT TOP AND BOTTOM OF RECEIVING WALL
3. FLOOR AND ROOF DIAPHRAGM
FIGURE 1.11 THE LOSS OF SHEATHING COMPROMISES THE STRENGTH OF THE ROOF DIAPHRAGM.
ROOF SHEATHING EDGE NAILING <\/td>\n<\/tr>\n
22<\/td>\n4. ROOF-TO-WALL\/ WALL-TO-WALL CONNECTIONS
FIGURE 1.12 LACK OF DIAPHRAGM ACTION ON SPACED BOARD
FIGURE 1.13 LEEWARD FORCE REMOVED THE NON-STRUCTURAL SHEATHING <\/td>\n<\/tr>\n
23<\/td>\nFIGURE 1.14 INSUFFICIENT ATTACHMENT OF VINYL SIDING
FIGURE 1.15 TOTAL LOSS OFF THE STRUCTURAL ROOF DIAPHRAGM
5. WALL BRACING <\/td>\n<\/tr>\n
24<\/td>\nFIGURE 1.16 FAILURES IN WALL BRACING AS INDICATED BY WALL RACKING
6. WALL TO FOUNDATION CONNECTIONS
FIGURE 1.17 INSUFFICIENT ANCHORAGE OF THE WALLS TO THE FOUNDATION <\/td>\n<\/tr>\n
25<\/td>\nFIGURE 1.18 NEGLIGIBLE CONNECTION OF THE SILL PLATE TO THE FOUNDATION
FIGURE 1.19 SLAB FLOOR REMAINS WITH HOUSE REMOVED BY HIGH WIND <\/td>\n<\/tr>\n
26<\/td>\nTHE SOLUTION
FIGURE 1.20 GOOD FRIDAY EARTHQUAKE IN ALASKA
FIGURE 1.21 HURRICAN ANDREW <\/td>\n<\/tr>\n
27<\/td>\nWHAT’S THE DIFFERENCE BETWEEN A BRACED WALL PANEL AND SHEAR WALL?
WHAT IS BRACING AND HOW DOES IT WORK?
FIGURE 1.22 BARE STUD WALL HAS NO LATERAL LOAD RESISTING CAPACITY <\/td>\n<\/tr>\n
28<\/td>\nLET-IN BRACING <\/td>\n<\/tr>\n
29<\/td>\nFIGURE 1.23 STUD WALL WITH LET-IN BRACE
PANEL-TYPE BRACING (AND PORTLAND CEMENT LATH AND PLASTER) <\/td>\n<\/tr>\n
30<\/td>\nFIGURE 1.24 RECTANGULAR PANEL PRODUCTS
FIGURE 1.25 STUD WALL WITH PANEL BRACING <\/td>\n<\/tr>\n
31<\/td>\nHISTORY OF WLAL BRACING <\/td>\n<\/tr>\n
32<\/td>\nWHY DO BRACING REQUIREMENTS CHANGE?
FIGURE 1.26 A TYPICAL SINGLE FAMILY RESIDENCE BUILT IN THE 1960S AND EARLIER
FIGURE 1.27 A TYPICAL SINGLE-FAMILY RESIDENCE BUILT TODAY <\/td>\n<\/tr>\n
33<\/td>\nLOADS AND LIMITS OF THE INTERNATIONAL RESIDENTIAL CODE <\/td>\n<\/tr>\n
34<\/td>\nTHE SCOPE OF THE IRC <\/td>\n<\/tr>\n
37<\/td>\nCHAPTER 2 OTHER RELATED PROVISIONS <\/td>\n<\/tr>\n
38<\/td>\nR106
R106.1.3 INFORMATION ON BRACED WALL DESIGN
R109
R109.1.4 FRAME AND MASONRY INSPECTION
R202 DEFINITIONS <\/td>\n<\/tr>\n
41<\/td>\nFIGURE 2.1 PLANS A AND B MEET TOWNHOUSE REQUIREMENTS
FIGURE 2.2 CONFIGURATION NOT COVERED BY THE IRC <\/td>\n<\/tr>\n
42<\/td>\nR301
R301.2.1 WIND DESIGN CRITERIA
TABLE 2.1 LOCAL CLIMATIC AND GEOGRAPHIC CRITERIA <\/td>\n<\/tr>\n
44<\/td>\nR301.2.1.1 WIND LIMITATIONS AND WIND DESIGN REQUIRED <\/td>\n<\/tr>\n
45<\/td>\nTABLE 2.2 APPLICABLE DESIGN STANDARDS <\/td>\n<\/tr>\n
46<\/td>\nTABLE 2.3 WIND SPEED CONVERSIONS
R301.2.1.4 EXPOSURE CATEGORY <\/td>\n<\/tr>\n
47<\/td>\nFIGURE 2.3 EXPOSURE CATEGORY B
FIGURE 2.4 EXPOSURE CATEGORY C <\/td>\n<\/tr>\n
48<\/td>\nFIGURE 2.5 EXPOSURE CATEGORY C (CONTINUED)
FIGURE 2.6 EXPOSURE CATEGORY D <\/td>\n<\/tr>\n
49<\/td>\nR301.2.2 SEISMIC PROVISIONS
TABLE 2.4 SCOPE OF SEISMIC PROVISIONS
R301.2.2.1 DETERMINATION OF SEISMIC DESIGN CATEGORY
R301.2.2.1.1 ALTERNATE DETERMINATION OF SEISMIC DESIGN CATEGORY <\/td>\n<\/tr>\n
50<\/td>\nR301.2.2.1.2 ALTERNATIVE DETERMINATION OF SEISMIC DESIGN CATEGORY E <\/td>\n<\/tr>\n
51<\/td>\nR301.2.2.2 WEIGHTS OF MATERIALS <\/td>\n<\/tr>\n
52<\/td>\nTABLE 2.5 BRACING ADJUSTMENT FACTORS BASED ON WEIGHTS OF CONSTRUCTION MATERIALS
FIGURE 2.7 MAXIMUM DEAD LOAD WEIGHTS <\/td>\n<\/tr>\n
53<\/td>\nR301.2.2.3 STONE AND MASONRY VENEER
R301.2.2.6 IRREGULAR BUILDINGS <\/td>\n<\/tr>\n
55<\/td>\nFIGURE 2.8 IRREGULARITY #1 BRACED WALL PANELS WITH VERTICAL IRREGULARITIES <\/td>\n<\/tr>\n
56<\/td>\nFIGURE 2.9 EXCEPTION TO IRREGULARITY #2 PORTIONS OF FLOOR OR ROOF NOT SUPPORTED ARE PERMITTED TO EXTEND UP TO 6 FEET <\/td>\n<\/tr>\n
57<\/td>\nFIGURE 2.10 IRREGULARITY #3 BRACED WALL PANEL OVER OPENINGS <\/td>\n<\/tr>\n
58<\/td>\nTABLE 2.6 HEADER REQUIREMENTS TO EXEMPT IRREGULARITY #3
FIGURE 2.11 IRREGULARITY #4 EXCESSIVE HOLE IN ROOF OR FLOOR SHEATHING AND FRAMING <\/td>\n<\/tr>\n
59<\/td>\nFIGURE 2.12 IRREGULARITY #5 OFFSET IN FLOOR FRAMING <\/td>\n<\/tr>\n
60<\/td>\nFIGURE 2.13 IRREGULARITY #6 BRACED WALL LINES NOT AT RIGHT ANGLES TO EACH OTHER
R301.3 STORY HEIGHT <\/td>\n<\/tr>\n
61<\/td>\nFIGURE 2.14 STORY HEIGHT MEASUREMENT FOR WOOD, STRUCTURAL INSULATED PANELS, AND COLD-FORMED STEEL FRAMING <\/td>\n<\/tr>\n
62<\/td>\nR302 FIRE-RESISTANT CONSTRUCTION
R302.6 DWELLING\/GARAGE FIRE SEPARATION
R403 FOOTINGS
R403.1 GENERAL
R403.1.2 CONTINUOUS FOOTING IN SEISMIC DESIGN CATEGORIES <\/td>\n<\/tr>\n
63<\/td>\nFIGURE 2.15 SINGLE STORY FOUNDATION SUPPORT IN SDC D2 <\/td>\n<\/tr>\n
64<\/td>\nFIGURE 2.16 TWO STORY FOUNDATION SUPPORT IN SDC D2
FIGURE 2.17 BRACED WALL SPACING <\/td>\n<\/tr>\n
65<\/td>\nR403.1.3.4 INTERIOR BEARING AND BRACED WALL PANEL FOOTINGS IN SEISMIC DESIGN CATEGORIES D0, D1 AND D2.
R403.1.6 FOUNDATION ANCHORAGE <\/td>\n<\/tr>\n
66<\/td>\nR403.1.6.1 FOUNDATION ANCHORAGE IN SEISMIC DESIGN CATEGORIES C, D0, D1 AND D2
R404 FOUNDATION AND RETAINING WALLS
R404.1.9.3 MASONRY PIERS SUPPORTING BRACED WALL PANELS <\/td>\n<\/tr>\n
67<\/td>\nR502 WOOD FLOOR FRAMING
R502.2.1 FRAMING AT BRACED WALL LINES
R502.3.3 FLOOR CANTILEVERS
R602 WOOD WALL FRAMING
TABLE R602.3(1) FASTENING SCHEDULE
TABLE 2.7 FASTENING SCHEDULE – WALL SECTION <\/td>\n<\/tr>\n
68<\/td>\nTABLE 2.7(Continued) FASTENING SCHEDULE – WALL SECTION <\/td>\n<\/tr>\n
69<\/td>\nTABLE 2.8 REQUIREMENTS FOR WOOD STRUCTURAL PANEL WALL SHEATHING USED TO RESIST WIND PRESSURES
R602.3.5 BRACED WALL PANEL UPLIFT LOAD PATH <\/td>\n<\/tr>\n
70<\/td>\nR602.7 HEADERS
TABLE 2.9 GIRDER SPANS AND HEADER SPANS FOR EXTERIOR BEARING WALLS (EXCERPTED) <\/td>\n<\/tr>\n
71<\/td>\nTABLE 2.9 (CONTINUED) GIRDER SPANS AND HEADER SPANS FOR EXTERIOR BEARING WALLS (EXCERPTED) <\/td>\n<\/tr>\n
72<\/td>\nTABLE 2.9 (CONTINUED) GIRDER SPANS AND HEADER SPANS FOR EXTERIOR BEARING WALLS (EXCERPTED) <\/td>\n<\/tr>\n
73<\/td>\nR602.7.2 RIM BOARD HEADERS
R602.7.5 SUPPORTS FOR HEADERS
TABLE 2.10 GIRDER SPANS MINIMUM NUMBER OF FULL HEIGHT STUDS AT EACH END OF HEADERS IN EXTERIOR WALLS <\/td>\n<\/tr>\n
74<\/td>\nR602.9 CRIPPLE WALLS
R610 STRUCTURAL INSULATED PANEL WALL CONSTRUCTION
R610.5.5 WALL BRACING
R703 EXTERIOR COVERING
R703.8 ANCHORED STONE AND MASONRY VENEER GENERAL <\/td>\n<\/tr>\n
75<\/td>\nR802 WOOD ROOF FRAMING
R802.8 LATERAL SUPPORT
R802.10.3 BRACING
R802.11 ROOF TIE DOWN
R802.11.1 UPLIFT RESISTANCE
R802.11.1.1 TRUSS UPLIFT RESISTANCE <\/td>\n<\/tr>\n
76<\/td>\nR802.11.1.2 RAFTER UPLIFT RESISTANCE
R806.1 VENTILATION REQUIRED <\/td>\n<\/tr>\n
77<\/td>\nCHAPTER 3 2018 IRC BRACING PROVISIONS <\/td>\n<\/tr>\n
79<\/td>\nR602.10 WALL BRACING
FIGURE 3.1 BRACED WALL PANELS, BRACED WALL PANEL SPACING, BRACED WALL LINES AND BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
80<\/td>\nR602.10.1 BRACED WALL LINES
R602.10.1.1 LENGTH OF A BRACED WALL LINE
R602.10.1.2 OFFSETS ALONG A BRACED WALL LINE <\/td>\n<\/tr>\n
81<\/td>\nFIGURE 3.2 OFFSETS ALONG A BRACED WALL LINE AND EFFECTIVE BRACED WALL LINES <\/td>\n<\/tr>\n
82<\/td>\nEFFECTIVE (IMAGINARY) BRACED WALL LINES
FIGURE 3.3 EFFECTIVE BRACED WALL LINE <\/td>\n<\/tr>\n
83<\/td>\nR602.10.1.3 SPACING OF BRACED WALL LINES
TABLE 3.1 BRACED WALL LINE SPACING FOR VARIOUS CONDITIONS <\/td>\n<\/tr>\n
84<\/td>\nR602.10.1.4 ANGLED WALLS
FIGURE 3.4 ANGLED WALLS IN BRACED WALL LINES <\/td>\n<\/tr>\n
85<\/td>\nTABLE 3.2 PROJECTED BRACED WALL LINE LENGTH CONTRIBUTED BY THE ANGLED WALL
FIGURE 3.5 INSUFFICIENT ROOM IN ANGLED PORTION OF WALL TO PERMIT BRACING <\/td>\n<\/tr>\n
86<\/td>\nFIGURE 3.6 ANGLED PORTION OF WALL GREATER THAN 8 FEET
R602.10.2 BRACED WALL PANELS <\/td>\n<\/tr>\n
87<\/td>\nR602.10.2.1 BRACED WALL PANEL UPLIFT LOAD PATH
R602.10.2.2 LOCATIONS OF BRACED WALL PANELS
FIGURE 3.7 DISTANCE BETWEEN BRACED WALL PANELS-ANY SEGMENT LENGTH <\/td>\n<\/tr>\n
88<\/td>\nR602.10.2.2.1 LOCATION OF BRACED WALL PANELS IN SEISMIC DESIGN CATEGORIES D0, D1 AND D2
FIGURE 3.8 FOR SDC D0 , D1 AND D2 THREE OPTIONS EXIST FOR BRACING AWAY FROM CORNERS <\/td>\n<\/tr>\n
89<\/td>\nR602.10.2.3 MINIMUM NUMBER OF BRACED WALL PANELS <\/td>\n<\/tr>\n
90<\/td>\nR602.10.3 REQUIRED LENGTH OF BRACING <\/td>\n<\/tr>\n
92<\/td>\nFIGURE 3.9 WALL BRACING WIND LOADS
FIGURE 3.10 WALL BRACING SEISMIC LOADS <\/td>\n<\/tr>\n
93<\/td>\nFIGURE 3.11 BASIS FOR WIND BRACING TABLE <\/td>\n<\/tr>\n
94<\/td>\nTABLE 3.3 UNADJUSTED WIND BRACING REQUIREMENTS <\/td>\n<\/tr>\n
95<\/td>\nTABLE 3.3 (Continued) UNADJUSTED WIND BRACING REQUIREMENTS <\/td>\n<\/tr>\n
96<\/td>\nTABLE 3.3 (Continued) UNADJUSTED WIND BRACING REQUIREMENTS <\/td>\n<\/tr>\n
97<\/td>\nTABLE 3.4 ADJUSTMENT FACTORS TO THE REQUIRED WIND BRACING DETERMINED IN TABLE 3.3 <\/td>\n<\/tr>\n
98<\/td>\nTABLE 3.4 (Continued) ADJUSTMENT FACTORS TO THE REQUIRED WIND BRACING DETERMINED IN TABLE 3.3 <\/td>\n<\/tr>\n
99<\/td>\nFIGURE 3.12 ROOF EAVE-TO-RIDGE HEIGHT <\/td>\n<\/tr>\n
100<\/td>\nFIGURE 3.13 EAVE-TO-RIDGE HEIGHT <\/td>\n<\/tr>\n
101<\/td>\nFIGURE 3.14 BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
102<\/td>\nNUMBER OF BRACED WALL LINES EXAMPLE
TWO BRACED WALL LINES 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14A BRACED WALL LINE SPACING
THREE BRACED WALL LINES 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14B BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
103<\/td>\nFOUR BRACED WALL LINES 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14C BRACED WALL LINE SPACING
FIVE BRACED WALL LINES 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14D BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
104<\/td>\nTHREE BRACED WALL LINES – TRADITIONAL BWL SPACING CALCULATION 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14E BRACED WALL LINE SPACING
THREE BRACED WALL LINES – AVERAGE BWL SPACING CALCULATION 115 mph, Wind Exposure Category B, Method WSP
FIGURE 3.14F BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
106<\/td>\nAPPLICATION OF ADJUSTMENT FACTORS
FIGURE 3.15 BASIS FOR SEISMIC BRACING TABLE <\/td>\n<\/tr>\n
107<\/td>\nTABLE 3.5 UNADJUSTED SEISMIC BRACING REQUIREMENTS <\/td>\n<\/tr>\n
108<\/td>\nTABLE 3.5 (Continued) UNADJUSTED SEISMIC BRACING REQUIREMENTS <\/td>\n<\/tr>\n
110<\/td>\nTABLE 3.6 ADJUSTMENT FACTORS TO THE REQUIRED SEISMIC BRACING DETERMINED IN TABLE 3.5 <\/td>\n<\/tr>\n
114<\/td>\nEXAMPLES: DETERMINING LENGTH OF BRACING
EXAMPLE 3.1: SDC A, WIND EXPOSURE B, 130 MPH (Ultimate Design Wind Speed)
FIGURE 3.16 EXAMPLE USING METHOD SFB <\/td>\n<\/tr>\n
115<\/td>\nEXAMPLE 3.2: SDC D1, WIND EXPOSURE B, 130 MPH (Ultimate Design Wind Speed)
FIGURE 3.17 EXAMPLE USING METHOD SFB <\/td>\n<\/tr>\n
117<\/td>\nEXAMPLE 3.3: SDC D2, WIND EXPOSURE B, 115 MPH (Ultimate Design Wind Speed)
FIGURE 3.18 EXAMPLE USING METHOD PBS <\/td>\n<\/tr>\n
120<\/td>\nEXAMPLE 3.4: SDC A, WIND EXPOSURE B, 115 MPH (Ultimate Design Wind Speed)
FIGURE 3.19 EXAMPLE USING METHOD HPS <\/td>\n<\/tr>\n
122<\/td>\nEXAMPLE 3.5: SDC B, WIND EXPOSURE C, 135 MPH (Ultimate Design Wind Speed)
FIGURE 3.20 EXAMPLE USING METHOD PCP <\/td>\n<\/tr>\n
124<\/td>\nFIGURE 3.21 ADDING A BRACED WALL LINE TO THE INTERIOR OF THE STRUCTURE TO REDUCE BRACING ON EXTERIOR WALL LINES <\/td>\n<\/tr>\n
126<\/td>\nEXAMPLES: DETERMINING LENGTH OF BRACING WHEN USING NARROW-WIDTH PANELS
EXAMPLE 3.6: SDC C, WIND EXPOSURE B, 115 MPH (Ultimate Design Wind Speed)
FIGURE 3.22 EXAMPLE USING METHOD CS-G SHEATHED WOOD STRUCTURAL PANEL ADJACENT TO GARAGE OPENINGS <\/td>\n<\/tr>\n
128<\/td>\nEXAMPLE 3.7: SDC A, WIND EXPOSURE B, 120 MPH (Ultimate Design Wind Speed)
FIGURE 3.23 EXAMPLE USING METHOD CS-SFB <\/td>\n<\/tr>\n
130<\/td>\nEXAMPLE 3.8: SDC B, WIND EXPSURE C, 110 MPH
FIGURE 3.24 EXAMPLE USING METHOD CS-PF AT GARAGE WALL <\/td>\n<\/tr>\n
132<\/td>\nEXAMPLE 3.9: SDC C, WIND EXPOSURE C, 115 MPH (Ultimate Design Wind Speed)
FIGURE 3.25 EXAMPLE USING METHOD CS-PF (CONTINUOUSLY SHEATHED PORTAL FRAME) AT OFFSET WALL LINE <\/td>\n<\/tr>\n
135<\/td>\nEXAMPLE 3.10: SDC B, WIND EXPOSURE B, 115 MPH (Ultimate Design Wind Speed)
FIGURE 3.26 EXAMPLE USING METHOD PFG <\/td>\n<\/tr>\n
137<\/td>\nEXAMPLE 3.11: SDC D2, WIND EXPOSURE C, 130 MPH (Ultimate Design Wind speed)
FIGURE 3.27 EXAMPLE USING METHOD PFH WITH HOLD-DOWNS AT GARAGE WALL <\/td>\n<\/tr>\n
140<\/td>\nR602.10.4 CONSTRUCTION METHODS FOR BRACED WALL PANELS
INTERMITTENT BRACING METHODS <\/td>\n<\/tr>\n
141<\/td>\nFIGURE 3.28 EXAMPLE OF “INTERMITTENT” METHOD WSP BRACED WALL PANEL
TABLE 3.7 INTERMITTENT BRACING METHODS <\/td>\n<\/tr>\n
142<\/td>\nTABLE 3.7 (Continued) INTERMITTENT BRACING METHODS <\/td>\n<\/tr>\n
143<\/td>\nMETHOD LIB (LET-IN BRACING)
TABLE 3.8 METHOD LIB
FIGURE 3.29 METHOD LIB <\/td>\n<\/tr>\n
144<\/td>\nMETHOD DWB (DIAGONAL WOOD BOARDS)
TABLE 3.9 METHOD DWB
FIGURE 3.30 METHOD DWB <\/td>\n<\/tr>\n
145<\/td>\nMETHOD WSP (WOOD STRUCTURAL PANEL)
TABLE 3.10 METHOD WSP
FIGURE 3.31 METHOD WSP <\/td>\n<\/tr>\n
146<\/td>\nMETHOD BV-WSP (WOOD STRUCTURAL PANELS WITH STONE OR MASONRY VENEER)
TABLE 3.11 METHOD BV-WSP <\/td>\n<\/tr>\n
147<\/td>\nFIGURE 3.32 METHOD BV-WSP
METHOD SFB (STRUCTURAL FIBERBOARD SHEATHING)
TABLE 3.12 METHOD SFB <\/td>\n<\/tr>\n
148<\/td>\nFIGURE 3.33 METHOD SFB
METHOD GB (GYPSUM BOARD)
TABLE 3.13 METHOD GB <\/td>\n<\/tr>\n
149<\/td>\nFIGURE 3.34 METHOD GB
FIGURE 3.35 METHOD GB <\/td>\n<\/tr>\n
150<\/td>\nTABLE 3.14 FASTENER DESCRIPTION FOR METHOD GB
TABLE 3.15 FASTENER DESCRIPTION FOR METHOD GB <\/td>\n<\/tr>\n
151<\/td>\nMETHOD PBS (PARTICLEBOARD SHEATHING)
TABLE 3.16 METHOD PBS
FIGURE 3.36 METHOD PBS <\/td>\n<\/tr>\n
152<\/td>\nMETHOD PCP (PORTLAND CEMENT PLASTER)
TABLE 3.17 METHOD PCP
FIGURE 3.37 METHOD PCP
R703.7 EXTERIOR PLASTER STUCCO
R703.7.1 LATH <\/td>\n<\/tr>\n
153<\/td>\nMETHOD HPS (HARDBOARD PANEL SIDING)
TABLE 3.18 METHOD HPS
FIGURE 3.38 METHOD HPS <\/td>\n<\/tr>\n
154<\/td>\nMETHOD ABW (ALTERNATE BRACED WALL)
TABLE 3.19 METHOD ABW <\/td>\n<\/tr>\n
155<\/td>\nMETHOD PFH (PORTAL FRAME WITH HOLD-DOWNS)
TABLE 3.20 METHOD PFH <\/td>\n<\/tr>\n
156<\/td>\nMETHOD PFG (PORTAL FRAME AT GARAGE DOOR OPENINGS IN SEISMIC DESIGN CATEGORIES A, B AND C)
TABLE 3.21 METHOD PFG <\/td>\n<\/tr>\n
157<\/td>\nCONTINUOUS SHEATHING BRACING METHODS
TABLE 3.22 CONTINUOUS SHEATHING BRACING METHODS <\/td>\n<\/tr>\n
158<\/td>\nFIGURE 3.39 EXAMPLE OF CONTINUOUSLY SHEATHED BRACED WALLS <\/td>\n<\/tr>\n
159<\/td>\nMETHOD CS-WSP (CONTINUOULY SHEATHED WOOD STRUCTURAL PANEL)
TABLE 3.23 METHOD CS-WSP <\/td>\n<\/tr>\n
160<\/td>\nFIGURE 3.40 METHOD CS-WSP (CONTINUOUSLY SHEATHED WOOD STRUCTURNAL PANEL) <\/td>\n<\/tr>\n
161<\/td>\nMETHOD CS-G (CONTINUOUSLY SHEATHED WOOD STRUCTURAL PANEL ADJACENT TO GARAGE OPENINGS)
TABLE 3.24 METHOD CS-G
FIGURE 3.41 METHOD CS-G (CONTINUOUSLY SHEATHED WOOD STRUCTURAL PANEL ADJACENT TO GARAGE OPENINGS) <\/td>\n<\/tr>\n
162<\/td>\nMETHOD CS-PF (CONTINUOUSLY SHEATHED PORTAL FRAME) <\/td>\n<\/tr>\n
163<\/td>\nTABLE 3.25 METHOD CS-PF
FIGURE 3.42 METHOD CS-PF (CONTINUOULY SHEATHED PORTAL FRAME) <\/td>\n<\/tr>\n
164<\/td>\nMETHOD CS-SFB (CONTINUOUSLY SHEATHED STRUCTURAL FIBERBOARD)
TABLE 3.26 METHOD CS-SFB <\/td>\n<\/tr>\n
165<\/td>\nR602.10.4.1 MIXING METHODS <\/td>\n<\/tr>\n
167<\/td>\nTABLE 3.27 MIXING POSSIBILITIES AND THEIR LIMITATIONS
R602.10.4.2 CONTINUOUS SHEATHING METHODS <\/td>\n<\/tr>\n
168<\/td>\nr602.10.4.3 BRACED WALL PANEL INTERIOR FINISH MATERIAL
R602.10.4.4 PANEL JOINTS <\/td>\n<\/tr>\n
170<\/td>\nR602.10.5 MINIMUM LENGTH OF A BRACED WALL PANEL
TABLE 3.28 MINIMUM LENGTH OF BRACED WALL PANELS AND CONTRIBUTING LENGTH <\/td>\n<\/tr>\n
171<\/td>\nTABLE 3.28 MINIMUM LENGTH OF BRACED WALL PANELS AND CONTRIBUTING LENGTH
FIGURE 3.43 PANEL LENGTHS-CONTINUOUS SHEATHING <\/td>\n<\/tr>\n
172<\/td>\nR602.10.5.1 CONTRIBUTING LENGTH <\/td>\n<\/tr>\n
173<\/td>\nR602.10.5.2 PARTIAL CREDIT
TABLE 3.29 PARTIAL CREDIT FOR INTERMITTENT BRACED WALL PANELS LESS THAN 48 INCHES IN LENGTH <\/td>\n<\/tr>\n
174<\/td>\nR602.10.6 CONSTRUCTION OF METHODS ABW, PFH, PFG, CS-PF AND BV-WSP
R602.10.6.1 METHOD ABW: ALTERNATE BRACED WALL PANELS <\/td>\n<\/tr>\n
175<\/td>\nFIGURE 3.44 METHOD ABW-ALTERNATE BRACED WALL PANEL <\/td>\n<\/tr>\n
176<\/td>\nTABLE 3.30 SIZING HOLD DOWN ANCHORS FOR METHOD ABW
R602.10.6.2 METHOD PFH: PORTAL FRAME WITH HOLD-DOWNS <\/td>\n<\/tr>\n
177<\/td>\nFIGURE 3.45 METHOD PFH PORTAL FRAME WITH HOLD DOWNS
R602.10.6.3 METHOD PFG: PORTAL FRAME AT GARAGE DOOR OPENINGS IN SEISMIC DESIGN CATEGORIES A, B AND C <\/td>\n<\/tr>\n
178<\/td>\nFIGURE 3.46 METHOD PFG PORTAL FRAME AT GARAGE DOOR OPENINGS IN SEISMIC DESIGN CATEGORIES <\/td>\n<\/tr>\n
179<\/td>\nR602.10.6.4 METHOD CS-PF: CONTINUOUSLY SHEATHED PORTAL FRAME <\/td>\n<\/tr>\n
180<\/td>\nFIGURE 3.47 METHOD CS-PF CONTINUOUSLY SHEATHED PORTAL FRAME PANEL CONSTRUCTION <\/td>\n<\/tr>\n
181<\/td>\nTABLE 3.31 TENSION STRAP REQUIREMENTS FOR PONY WALLS <\/td>\n<\/tr>\n
182<\/td>\nFIGURE 3.48 METHOD BV-WSP WALL BRACING FOR DWELLINGS WITH STON OR MASONRY
R602.10.6.5 WALL BRACING FOR DWELLINGS WITH STONE AND MASONRY VENEER IN SEISMIC DESIGN CATEGORIES D0, D1 AND D2 <\/td>\n<\/tr>\n
184<\/td>\nR602.10.6.5.1 LENGTH OF BRACING <\/td>\n<\/tr>\n
186<\/td>\nTABLE 3.32 METHOD BV-WSP WALL BRACING REQUIREMENTS <\/td>\n<\/tr>\n
187<\/td>\nTABLE 3.32 (Continued) METHOD BV-WSP WALL BRACING REQUIREMENTS <\/td>\n<\/tr>\n
188<\/td>\nR602.10.7 ENDS OF BRACED WALL LINES WITH CONTINUOUS SHEATHING
FIGURE 3.49 END CONDITION 1: NARROW BRACED WALL PANEL WITH CORNER RETURN PANEL <\/td>\n<\/tr>\n
189<\/td>\nFIGURE 3.50 END CONDITION 2: NARROW BRACED WALL PANEL WITH 800LB HOLD DOWN
FIGURE 3.51 END CONDITION 3: FULL LENGTH PANEL AT CORNER-NO RETURN CORNER OR HOLD DOWN REQUIRED <\/td>\n<\/tr>\n
190<\/td>\nFIGURE 3.52 END CONDITION 4: FIRST BRACED WALL PANEL AWAY FROM CORNER REQUIRES D LENGTH PANEL ON EACH SIDE OF CORNER
FIGURE 3.53 END CONDITION 5: FIRST BRACED WALL PANEL AWAY FROM CORNER REQUIRES 800LB HOLD DOWN IF SHEATHED CORNER PROVISIONS NOT MET <\/td>\n<\/tr>\n
191<\/td>\nR602.10.8 BRACED WALL PANEL CONNECTIONS
TABLE 3.33 ATTACHMENT OF BRACED WALL PANELS AT BOTTOM PLATE <\/td>\n<\/tr>\n
192<\/td>\nFIGURE 3.54 BRACED WALL PANEL CONNECTION WHEN PERPENDICULAR TO FLOOR \/CEILING FRAMING
FIGURE 3.55 BRACED WALL PANEL CONNECTION WHEN PARALLEL TO FLOOR\/CEILING FRAMING <\/td>\n<\/tr>\n
193<\/td>\nR602.10.8.1 BRACED WAL PANEL CONNECTIONS FOR SEISMIC DESIGN CATEGORIES D0, D1 AND D2
TABLE 3.34 DOUBLE TOP PLATE SPLICE <\/td>\n<\/tr>\n
194<\/td>\nFIGURE 3.56 TOP PLATE SPLICE FOR SDC DO, D1 AND D2
R602.10.8.2 CONNECTIONS TO ROOF FRAMING
TABLE 3.35 SUMMARY OF BRACING CONNECTION AND BLOCKING REQUIREMENTS BETWEEN BRACED WALL PANELS AND ROOF FRAMING <\/td>\n<\/tr>\n
197<\/td>\nFIGURE 3.57 BRACED WALL PANEL CONNECTION-LOW HEEL TRUSSES
FIGURE 3.58 BRACED WALL PANEL CONNECTION SOFFIT BLOCKING <\/td>\n<\/tr>\n
198<\/td>\nFIGURE 3.59 BRACED WALL PANEL CONNECTION VERTICAL PANELS <\/td>\n<\/tr>\n
199<\/td>\nFIGURE 3.59 (Continued) BRACED WALL PANEL CONNECTION VERTICAL PANELS <\/td>\n<\/tr>\n
200<\/td>\nR602.10.9 BRACED WALL PANEL SUPPORT
FIGURE 3.60 BRACED WALL LINE CONNECTIONS OVER CANTILEVER FLOORS <\/td>\n<\/tr>\n
202<\/td>\nTABLE 3.36 IRC REINFORCEMENT REQUIREMENTS <\/td>\n<\/tr>\n
203<\/td>\nFIGURE 3.61 PLAIN CONCRETE FOOTINGS WITH MASONRY AND CONCRETE STEM WALLS IN SDC A, B AND C <\/td>\n<\/tr>\n
204<\/td>\nFIGURE 3.62 REINFORCEMENT OF MASONRY OR CONCRETE STEM WALLS SUPPORTING BRACING ELEMENTS <\/td>\n<\/tr>\n
205<\/td>\nR602.10.9.1 BRACED WALL PANEL SUPPORT FOR SEISMIC DESIGN CATEGORIES D0, D1 AND D2
R602.10.10 CRIPPLE WALL BRACING
FIGURE 3.63 CRIPPLE WALL USED TO RAISE FLOOR ELEVATION <\/td>\n<\/tr>\n
206<\/td>\nFIGURE 3.64 CRIPPLE WALL USED WITH A STEPPED FOUNDATION <\/td>\n<\/tr>\n
207<\/td>\nR602.10.10.1 CRIPPLE WALL BRACING FOR SEISMIC DESIGN CATEGORIES D0 AND D1 AND TOWNHOUSES IN SEISMIC DESIGN CATEGORY C <\/td>\n<\/tr>\n
208<\/td>\nFIGURE 3.65 CRIPPLE WALL BRACING IN SDC DO AND D1
R602.10.10.2 CRIPPLE WALL BRACING FOR SEISMIC DESIGN CATEGORY D2 <\/td>\n<\/tr>\n
209<\/td>\nR602.10.10.3 REDESIGNATION OF CRIPPLE WALLS
FIGURE 3.66A REDESIGNATING CRIPPLE WALLS <\/td>\n<\/tr>\n
210<\/td>\nFIGURE 3.66B SDC A EXAMPLE
FIGURE 3.66C SDC DO AND D1 EXAMPLE
FIGURE 3.66D SDC D2 EXAMPLE <\/td>\n<\/tr>\n
211<\/td>\nR602.11 WALL ANCHORAGE
FOUNDATION REQUIREMENTS FOR BRACED WALL LINES <\/td>\n<\/tr>\n
212<\/td>\nFIGURE 3.67 ACTIONS OF SOIL ON FOUNDATIONS
CONTINUOUS FOOTINGS
FIGURE 3.68 MINIMUM EXTERIOR WALL REQUIREMENTS <\/td>\n<\/tr>\n
213<\/td>\nFIGURE 3.69 FOUNDATION WALL REQUIREMENTS FOR SDC D0, D1 AND D2 <\/td>\n<\/tr>\n
214<\/td>\nR602.11.1 WALL ANCHORAGE FOR ALL BUILDINGS IN SEISMIC DESIGN CATEGORIES D0, D1 AND D2 AND TOWNHOUSES IN SEISMIC DESIGN CATEGORY C
R602.11.2 STEPPED FOUNDATIONS IN SEISMIC DESIGN CATEGORIES D0, D1 AND D2 <\/td>\n<\/tr>\n
215<\/td>\nFIGURE 3.70 REQUIREMENTS TO CONNECT SILL PLATES TO THE FOUNDATION
FIGURE 3.71 SPLICE DETAIL FOR DOUBLE TOP PLATE OF CRIPPLE WALL WHEN BRACING REQUIREMENT IS MET BY DIRECT ATTACHMENT TO FOUNDATION
FIGURE 3.72 EXAMPLE OF CONNECTION HARDWARE REQUIRED <\/td>\n<\/tr>\n
217<\/td>\nFIGURE 3.73 CRIPPLE WALL PLACEMENT OVER STEPPED FOUNDATION
FIGURE 3.74 CRIPPLE WALLS SHALL NOT BE PLACED ONE OVER THE OTHER <\/td>\n<\/tr>\n
219<\/td>\nFIGURE 3.75 CRIPPLE WALL IN SDC D0, D1 AND D2 TREATED AS A STORY
FIGURE 3.76 FOUNDATION IN SDC D0, D1 AND D2 NOT CONSIDERED TO BE A STEPPED FOOTING <\/td>\n<\/tr>\n
220<\/td>\nR602.12 SIMPLIFIED WALL BRACING <\/td>\n<\/tr>\n
221<\/td>\nR602.12.1 CIRCUMSCRIBED RECTANGLE <\/td>\n<\/tr>\n
222<\/td>\nFIGURE 3.77 CIRCUMSCRIBED RECTANGLES
FIGURE 3.78 SIMPLIFIED WALL BRACING DISTRIBUTE BRACING UNITS ON EXTERIOR WALLS AS SUITS DESIGNER <\/td>\n<\/tr>\n
223<\/td>\nR602.12.2 SHEATHING MATERIALS
R602.12.3 BRACING UNIT
R602.12.3.1 MULTIPLE BRACING UNITS <\/td>\n<\/tr>\n
224<\/td>\nFIGURE 3.79 COMPUTING NUMBER OF BRACING UNITS IN A WALL LINE
R602.12.4 NUMBER OF BRACING UNITS <\/td>\n<\/tr>\n
225<\/td>\nTABLE 3.37 DETERMINATION OF NUMBER BRACING UNITS REQUIRED AT EACH SIDE OF THE STRUCTURE <\/td>\n<\/tr>\n
226<\/td>\nTABLE 3.37 (Continued) DETERMINATION OF NUMBER BRACING UNITS REQUIRED AT EACH SIDE OF THE STRUCTURE <\/td>\n<\/tr>\n
227<\/td>\nR602.12.5 DISTRIBUTION OF BRACING UNITS
FIGURE 3.80 SIMPLIFIED WALL BRACING DISTRIBUTION RULES
R602.12.6 NARROW PANELS
R602.12.6.1 METHOD CS-G <\/td>\n<\/tr>\n
228<\/td>\nR602.12.6.2 METHOD CS-PF
R602.12.6.3 METHODS ABW, PFH AND PFG
R602.12.7 LATERAL SUPPORT
R602.12.8 STEM WALLS <\/td>\n<\/tr>\n
229<\/td>\nCHAPTER 4 WHOLE HOUSE CONSIDERATIONS <\/td>\n<\/tr>\n
230<\/td>\nPUTTING IT ALL TOGETHER
WHAT IS THE INTENT?
WHOLE HOUSE EXAMPLES <\/td>\n<\/tr>\n
231<\/td>\nTABLE 4.1 SUMMARY OF BRACING METHODS USED IN EXAMPLES
TABLE 4.2 EXAMPLE INDEX <\/td>\n<\/tr>\n
232<\/td>\nEXAMPLES USING SIMPLIFIED WALL BRACING METHOD
EXAMPLE 4.1 SINGLE STORY HOUSE IN SDC A USING THE SIMPLIFIED METHOD <\/td>\n<\/tr>\n
233<\/td>\nFIGURE 4.1 SINGLE STORY PLAN WITH METHOD WSP CONTINUOUS
TABLE 4.3 NUMBER OF REQUIRED BRACING UNITS PER IRC R602.12.4
TABLE 4.4 SUFFICIENT TOTAL BRACING UNIT LENGTH <\/td>\n<\/tr>\n
234<\/td>\nEXAMPLE 4.2 TWO-STORY HOUSE IN SDC B USING SIMPLIFIED WALL BRACING
FIGURE 4.2 SECOND OF TWO STORIES WITH INTERMITTENT WOOD STRUCTURAL PANELS <\/td>\n<\/tr>\n
235<\/td>\nFIGURE 4.3 FIRST OF TWO STORIES WITH INTERMITTENT WOOD STRUCTURAL PANELS
TABLE 4.5 NUMBER OF REQUIRED BRACING UNITS PER IRC R602.12.4
TABLE 4.6 INSUFFICIENT TOTAL BRACING UNIT LENGTH <\/td>\n<\/tr>\n
236<\/td>\nTABLE 4.6 (Continued) INSUFFICIENT TOTAL BRACING UNIT LENGTH
FIGURE 4.4 SECOND OF TWO STORIES WITH CONTINUOUS WOOD STRUCTURAL PANELS <\/td>\n<\/tr>\n
237<\/td>\nFIGURE 4.5 FIRST OF TWO STORIES WITH CONTINUOUS WOOD STRUCTURAL PANELS
TABLE 4.7 CS-WSP METHOD <\/td>\n<\/tr>\n
238<\/td>\nEXAMPLE 4.3 TWO-STORY HOUSE IN SDC C USING SIMPLIFIED WALL BRACING
FIGURE 4.6 SECOND OF TWO STORIES WITH INTERMITTENT WOOD STRUCTURAL PANELS <\/td>\n<\/tr>\n
239<\/td>\nFIGURE 4.7 FIRST OF TWO STORIES WITH CONTINUOUS WOOD STRUCTURAL PANELS
TABLE 4.8 NUMBER OF REQUIRED BRACING UNITS PER IRC TABLE R602.12.4
TABLE 4.9 SUFFICIENT TOTAL BRACING UNIT LENGTH <\/td>\n<\/tr>\n
240<\/td>\nEXAMPLES USING WALL BRACING METHOD
EXAMPLE 4.4 SINGLE STORY HOUSE IN SDC A <\/td>\n<\/tr>\n
241<\/td>\nFIGURE 4.8 SINGLE STORY PLAN WITH INTERMITTENT METHODS WSP AND GB BRACED WALL PANELS
TABLE 4.10 SUFFICIENT TOTAL BRACING UNIT LENGTH
TABLE 4.11 CHECK FOR SUFFICIENT BRACING LENGTH <\/td>\n<\/tr>\n
242<\/td>\nEXAMPLE 4.5 TWO STORY HOUSE IN SDC C
FIGURE 4.9 FIRST STORY PLAN WITH INTERMITTENT STRUCTURAL FIBERBOARD SHEATHING AND GYPSUM BOARD BRACED WALL PANELS <\/td>\n<\/tr>\n
243<\/td>\nTABLE 4.12 CALCULATIONS FOR THE BOTTOM OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON THE ULTIMATE DESIGN WIND SPEED <\/td>\n<\/tr>\n
244<\/td>\nFIGURE 4.10 TOP OF TWO STORY PLAN WITH INTERMITTENT METHOD SFB BRACED WALL PANELS
TABLE 4.13 CALCULATIONS FOR THE BOTTOM OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON THE ULTIMATE DESIGN WIND SPEED
TABLE 4.14 CALCULATIONS FOR THE TOP OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON THE ULTIMATE DESIGN WIND SPEED <\/td>\n<\/tr>\n
245<\/td>\nEXAMPLE 4.6 TWO-STORY HOUSE IN SDC D2
FIGURE 4.11 FIRST STORY PLAN WITH INTERMITTENT WOOD STRUCTURAL PANEL AND GYPSUM BOARD (GB) BRACED WALL PANELS <\/td>\n<\/tr>\n
246<\/td>\nTABLE 4.15 CALCULATIONS FOR THE FIRST OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND SEISMIC DESIGN CATEGORY <\/td>\n<\/tr>\n
247<\/td>\nFIGURE 4.12 SECOND STORY PLAN WITH INTERMITTENT WOOD STRUCTURAL PANEL AND GYPSUM BOARD (GB) BRACED WALL PANELS IN TABLE 4.14
TABLE 4.16 CALCULATIONS FOR THE UPPER OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND SEISMIC DESIGN CATEGORY <\/td>\n<\/tr>\n
248<\/td>\nTABLE 4.16 (Continued) CALCULATIONS FOR THE UPPER OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND SEISMIC DESIGN CATEGORY
TABLE 4.17 CALCULATIONS FOR THE BOTTOM OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND AVERAGED BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
249<\/td>\nEXAMPLE 4.7 SINGLE-STORY HOUSE SDC A
FIGURE 4.13 SINGLE STORY PLAN WITH INTERMITTENT METHODS WSP, GB ABW AND PFG BRACED WALL PANELS <\/td>\n<\/tr>\n
250<\/td>\nTABLE 4.18 CALCULATIONS TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED <\/td>\n<\/tr>\n
251<\/td>\nTABLE 4.19 CALCULATIONS FRO AVERAGE BRACED WALL LINE IN EXAMPLE 4.7 <\/td>\n<\/tr>\n
252<\/td>\nTABLE 4.20 CALCULATIONS TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND AVERAGING BRACED WALL LINE SPACING <\/td>\n<\/tr>\n
253<\/td>\nEXAMPLE 4.8 SINGLE-STORY HOUSE IN SDC B
FIGURE 4.14 SINGLE STORY PLAN WITH INTERMITTENT METHODS HPS, GA DWB, PBS AND LIB <\/td>\n<\/tr>\n
254<\/td>\nTABLE 4.21 CALCULATIONS TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED <\/td>\n<\/tr>\n
255<\/td>\nEXAMPLE 4.9 TWO-STORY HOUSE IN SDC B <\/td>\n<\/tr>\n
256<\/td>\nFIGURE 4.15 FIRST STORY PLAN WITH INTERMITTENT METHODS WOOD STRUCTURAL PANEL AND ALTERNATE BRACED WALL BRACED WALL PANELS
TABLE 4.22 CALCULATIONS FOR THE FIRST OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED <\/td>\n<\/tr>\n
257<\/td>\nTABLE 4.23 CALCULATIONS FOR THE FIRST OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND AVERAGED BRACED WALL LINE SPACING
FIGURE 4.16 SECOND STORY PLAN WITH INTERMITTENT STRUCTURAL FIBERBOARD SHEATHING AND GYPSUM BOARD BRACED WALL PANELS <\/td>\n<\/tr>\n
258<\/td>\nTABLE 4.24 CALCULATIONS FOR THE SECOND OF TWO STORIES TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED <\/td>\n<\/tr>\n
259<\/td>\nEXAMPLE 4.10 SINGLE STORY HOUSE IN SDC D0 <\/td>\n<\/tr>\n
260<\/td>\nFIGURE 4.17 SINGLE STORY PLAN WITH CONTINUOUSLY SHEATHED WOOD STRUCTURAL PANEL AND CONTINUOUSLY SHEATHED PORTAL FRAME BRACED WALL PANELS
TABLE 4.24 CALCULATIONS TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND SEISMIC DESIGN CATEGORY <\/td>\n<\/tr>\n
261<\/td>\nTABLE 4.24 (Continued) CALCULATIONS TO DETERMINE THE REQUIRED BRACING LENGTH BASED ON WIND SPEED AND SEISMIC DESIGN CATEGORY <\/td>\n<\/tr>\n
262<\/td>\nEXAMPLE 4.11 T- AND L-SHAPED BUILDINGS
FIGURE 4.18 DIVIDE BUILDING INTO SEPARATE SEGMENTS ANALYZE EACH SEPARATELY <\/td>\n<\/tr>\n
263<\/td>\nFIGURE 4.20 BUILDING DIMENSIONS EXAMPLE <\/td>\n<\/tr>\n
264<\/td>\nFIGURE 4.21 SEGMENT DIMENSIONS AND BRACING REQUIRED <\/td>\n<\/tr>\n
265<\/td>\nFIGURE 4.22 SECTIONS REJOINED <\/td>\n<\/tr>\n
266<\/td>\nBRACING IN HIGH SEISMIC REGIONS (SDC D0, D1 AND D2) <\/td>\n<\/tr>\n
268<\/td>\nAPPENDICES
APPENDIX A: COLLECTORS
WHAT IS A COLLECTOR AND WHAT DOES IT DO? <\/td>\n<\/tr>\n
269<\/td>\nWHAT DOES A COLLECTOR LOOK LIKE AND HOW DO I DESIGN ONE?
FIGURE A.1 FIRST BRACING PANEL SHOWN 14 FEET FROM CORNER
CHOOSING A COLLECTOR <\/td>\n<\/tr>\n
270<\/td>\nFIGURE A.2 SPLICE AT TOP PANEL REQUIRED TO TRANSFER LOAD ACROSS JOINT IN LOWER PLATE TO UPPER TOP PLATE TO UPPER TOP PLATE
WHAT IS THE LENGTH OF THE TOP PLATE THAT MUST BE SPLICED?
TABLE A.1 TOP PLATE SPLICE DESIGN TABLE <\/td>\n<\/tr>\n
272<\/td>\nAPPENDIX B: BRACING T- AND L-SHAPED BUILDINGS
FIGURE B.1 DIVIDE STRUCTURE INTO RECTANGULAR ELEMENTS <\/td>\n<\/tr>\n
273<\/td>\nFIGURE B.2 DETERMINE BRACING REQUIREMENTS PER THE IRC PRESCRIPTIVE PROVISIONS FOR EACH RECTANGULAR ELEMENT SEPARATELY
FIGURE B.3 REJOIN RECTANGLES WITH BRACING PROVIDED
RULES FOR REJOINING THE RECTANGLES AT THE COMMON SIDE <\/td>\n<\/tr>\n
274<\/td>\nFIGURE B.4 NO WALL AT COMMON WALL LINE <\/td>\n<\/tr>\n
275<\/td>\nAPPENDIX C: INTERPOLATION <\/td>\n<\/tr>\n
276<\/td>\nEQUATION 1 <\/td>\n<\/tr>\n
277<\/td>\nAPPENDIX D: AVERAGING BRACED WALL LINE SPACING
FIGURE D.1 WITH BRACED WALL LINE DRAWN ON THE PLAN <\/td>\n<\/tr>\n
279<\/td>\nFIGURE D.2 WITH BRACED WALL LINE DRAWN ON THE PLAN <\/td>\n<\/tr>\n
280<\/td>\nAPPENDIX E: COMPARISON OF THE LOCATION OF WALL BRACING INFORMATION IN THE FOUR EDITIONS OF THE IRC
TABLE E.1 WALL BRACING INFORMATION IN THE 2018, 2015, 2012 AND 2009 EDITIONS OF THE IRC <\/td>\n<\/tr>\n
281<\/td>\nTABLE E.1 (Continued) WALL BRACING INFORMATION IN THE 2018, 2015, 2012 AND 2009 EDITIONS OF THE IRC <\/td>\n<\/tr>\n
282<\/td>\nAPPENDIX F: MIXING BRACING METHODS
TABLE F.1 MIXING BRACING METHODS PER IRC SECTION R602.10.4.1 <\/td>\n<\/tr>\n
283<\/td>\nBIBLIOGRAPHY <\/td>\n<\/tr>\n
286<\/td>\nAPA WALL BRACING CALCULATOR <\/td>\n<\/tr>\n
288<\/td>\n2018 IRC BRACING METHODS OVERVIEW <\/td>\n<\/tr>\n
291<\/td>\nA GUIDE TO THE 2018 IRC\u00ae WOOD WALL BRACING PROVISIONS BACK COVER WITH DESCRIPTION AND TOPICS COVERED <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

A Guide to the 2018 IRC Wood Wall Bracing Provisions<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ICC<\/b><\/a><\/td>\n2018<\/td>\n291<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":208496,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2670],"product_tag":[],"class_list":{"0":"post-208495","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-icc","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/208495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/208496"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=208495"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=208495"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=208495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}