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ICC Standard 400 2022 1stptg

ICC Standard 400 2022 1stptg

$35.75

ICC 400-2022: Standard on the Design and Construction of Log Structures

Published By Publication Date Number of Pages
ICC 2022 94
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This standard provides the minimum design requirements for new log structures, including structural, thermal envelope and fire-resistance provisions. Notable changes from the 2017 edition include: New tabulated reference provides the weight per square foot of wall surface area of log-walls at 21-percent design moisture content by average width and specific gravity. Additional factors noted to adjust moisture content and/or nominal size/ shape to average width. Section 302.2.4 Notching and boring: Now provides multiple paths (e.g., prescriptive, calculated) for acceptance of notching and boring of beams. Two new illustrations replace Figure 302.2.4. Section 302.3 Mechanical connections and fasteners: Updated prescriptive path compliance for ANSI/AWC specification in the National Design Specification (NDS), alternative evaluation path for proprietary (nonconforming) fasteners, and specified analysis for wood dowels. New tabulated reference providing the bearing capacity (lb/in) of wall-logs, which is useful for calculating the continuous load path. Updated US Climate Zone map to reflect updates in the 2021 IECC. Improved criteria for settling devices to ensure structural integrity. Section 305 Thermal envelope: Updated to clarify the relationship to infiltration (Section 306) and the relationship to the 2021 IECC Commercial and Residential provisions. Table 305.3.1.1: Updated to

PDF Catalog

PDF Pages PDF Title
1 ICC 400-2022 STANDARD ON THE DESIGN AND CONSTRUCTION OF LOG STRUCTURES
2 COPYRIGHT
5 FOREWORD
9 TABLE OF CONTENTS
11 CHAPTER 1: ADMINISTRATIVE PROVISIONS
SECTION 101 ADMINISTRATIVE PROVISIONS
SECTION 102 APPLICABILITY
SECTION 103 PROVISIONS FOR COMPLIANCE
SECTION 104 COMPLIANCE ALTERNATIVES
SECTION 105 CONVENTIONS
SECTION 106 INSPECTIONS
SECTION 107 FOUNDATIONS
SECTION 108 DESIGN LOADS
12 SECTION 109 REFERENCED DOCUMENTS
13 CHAPTER 2: DEFINITIONS
SECTION 201 GENERAL
SECTION 202 DEFINED TERMS
14 SECTION 203 SYMBOLS
17 CHAPTER 3: GENERAL REQUIREMENTS
SECTION 301 GENERAL
SECTION 302 MATERIALS
TABLE 302.2.2.1.1 MOISTURE CONTENT OF SELECTED WOOD SPECIES AT FIBER SATURATION
18 TABLE 302.2.1.2 LIST OF SPECIES COMBINATIONS
19 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
20 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
21 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
22 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
23 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
24 TABLE 302.2.1.2—continued LIST OF SPECIES COMBINATIONS
FIGURE 302.2.2.2.1 CLIMATE ZONE MAP
25 TABLE 302.2.3.2(1) BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
26 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
27 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
28 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
29 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
30 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
31 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
32 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
33 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
34 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
35 TABLE 302.2.3.2(1)—continued BASE DESIGN VALUES FOR SAWN ROUND AND UNSAWN ROUND TIMBER BEAMS
36 TABLE 302.2.3.2(2) BASE DESIGN VALUES FOR WALL-LOGS
37 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
38 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
39 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
40 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
41 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
42 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
43 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
44 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
45 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
46 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
47 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
48 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
49 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
50 TABLE 302.2.3.2(2)—continued BASE DESIGN VALUES FOR WALL-LOGS
51 TABLE 302.2.3.2(3) APPLICABILITY OF ADJUSTMENT FACTORS FOR WALL-LOGS AND SRTBs
52 TABLE 302.2.3.4 SECTION PROPERTIES OF SAWN AND UNSAWN ROUND TIMBER BEAMS
53 TABLE 302.2.3.5.1 ADJUSTMENT FACTORS FOR WALL-LOGS
54 TABLE 302.2.3.10 WEIGHT OF LOG WALLS
55 TABLE 302.2.3.10—continued WEIGHT OF LOG WALLS
56 FIGURE 302.2.4(1) NOTCHES AND BORED HOLES IN SINGLE-SPAN BEAMS
FIGURE 302.2.4(2) NOTCHES AND HOLES IN MULTIPLE-SPAN BEAMS
58 SECTION 303 FIRE-RESISTANCE RATINGS OF LOGS AND LOG ASSEMBLIES
SECTION 304 PROVISIONS FOR SETTLING IN LOG STRUCTURES
60 TABLE 304.2.2.1.3 SHRINKAGE COEFFICIENTS
61 TABLE 304.2.2.2.2.2 PRESCRIBED SETTLING ALLOWANCE FOR NONHORIZONTAL BEARING SURFACES
62 TABLE 304.2.2.2.2.1 BEARING CAPACITY (lb/in) OF WALL-LOGS
63 TABLE 304.2.2.2.2.1—continued BEARING CAPACITY (lb/in) OF WALL-LOGS
64 TABLE 304.2.2.3.3 PRESCRIBED SETTLING ALLOWANCE DUE TO SHRINKAGE
65 SECTION 305 THERMAL ENVELOPE
67 TABLE 305.3.1.1 U-FACTOR OF LOG WALL (UW) BY LOG THICKNESS (WL) AND SPECIFIC GRAVITY (Gu)
68 TABLE 305.3.1.1—continued U-FACTOR OF LOG WALL (UW) BY LOG THICKNESS (WL) AND SPECIFIC GRAVITY (Gu)
69 TABLE 305.3.1.2 INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa
70 TABLE 305.4.3.2 HEAT CAPACITY OF SOLID WOOD
SECTION 306 INFILTRATION
73 CHAPTER 4: STRUCTURAL PROVISIONS
SECTION 401 GENERAL
SECTION 402 PRESCRIPTIVE PROVISIONS
SECTION 403 ENGINEERED PROVISIONS
74 TABLE 403.1 MAXIMUM DIAPHRAGM ASPECT RATIOS (HORIZONTAL OR SLOPED DIAPHRAGMS)
SECTION 404 CONNECTIONS
75 SECTION 405 FLOOR SYSTEMS
76 SECTION 406 LOG WALLS
SECTION 407 ROOF SYSTEMS
77 CHAPTER 5: REFERENCED STANDARDS
ASTM
AWC
78 ICC
UL
79 APPENDIX A US CLIMATE ZONES BY COUNTY
TABLE A101.1 (IECC R301.1) CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
80 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
81 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
82 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
83 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
84 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
85 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
86 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
87 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
88 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
89 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
90 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
91 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
92 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
93 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
94 TABLE A101.1 (IECC R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa

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ICC Standard 400 2022 1stptg
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