lesson 3 overview of design standards
DESCRIPTION
Lesson 3 Overview of Design Standards. Lesson Objectives. Upon conclusion, participants should be familiar with the inter-relationship among: The current UFC 3-310-04, The 2012 IBC, ASCE 7-10, Material standards referenced in the 2012 IBC. UFC 3-310-04, 1 May 2013. Replaces UFC 3-310-04 - PowerPoint PPT PresentationTRANSCRIPT
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U.S. Army Corps of Engineers Design Standards 1
Lesson 3
Overview of Design Standards
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U.S. Army Corps of Engineers Design Standards 2
Lesson Objectives
Upon conclusion, participants should be familiar with the inter-relationship among:
1. The current UFC 3-310-04,
2. The 2012 IBC,
3. ASCE 7-10,
4. Material standards referenced in the 2012 IBC.
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U.S. Army Corps of Engineers Design Standards 3
UFC 3-310-04, 1 May 2013
Replaces UFC 3-310-04
1 MAY 2012
Direct reference to 2012 IBC, which references ASCE 7-10
Exceptions:
• Some military facilities will require higher standards
• Some host nations may require higher standards
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U.S. Army Corps of Engineers Design Standards 4
UFC 3-310-04 Contents
CHAPTER 1 - SEISMIC DESIGN FOR BUILDINGS
CHAPTER 2 - 2012 IBC MODIFICATIONS FOR SEISMIC DESIGN OF DoD BUILDINGS
CHAPTER 3 - ALTERNATE DESIGN PROCEDURE FOR RC IV STRUCTURES
CHAPTER 4 - DESIGN FOR ENHANCED PERFORMANCE OBJECTIVES: RC V
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U.S. Army Corps of Engineers Design Standards 5
UFC 3-310-04 Contents
APPENDIX A – REFERENCES
APPENDIX B - GUIDANCE FOR SEISMIC DESIGN OF NONSTRUCTURAL COMPONENTS
APPENDIX C - MECHANICAL AND ELECTRICAL COMPONENT CERTIFICATION
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U.S. Army Corps of Engineers Design Standards 6
UFC 3-310-04
UFC 3-310-04 adopts the 2012 IBC
• Lists modifications to the provisions of the 2012 IBC
• The 2012 IBC adopts by reference extensive portions of ASCE 7-10 UFC 3-310-04 modifies some sections in ASCE 7-10
2-1613 EARTHQUAKE LOADS
UFC Chapter IBC or ASCE 7 section number and title
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U.S. Army Corps of Engineers Design Standards 7
Chapter 2: 2012 IBC Modifications for Seismic Design of DoD Buildings
An example section number in this chapter is 2-1603.1.5 or 2-13.1.2.
The first number, 2, refers to Chapter 2 of this UFC. 1603.1.5 refers to 2012 IBC Section 1603.1.5, and 13.1.2 refers to ASCE 7-10 Section 13.1.2.
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U.S. Army Corps of Engineers Design Standards 8
2012 IBC
Sets some basic requirements, but mostly cites structural design standards by reference.
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U.S. Army Corps of Engineers Design Standards 9
ASCE 7-10
3rd Printing Errata incorporated Supplement No.1
included New, expanded
seismic commentary included
ASCE 7-05 typeface and layout restored
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U.S. Army Corps of Engineers Design Standards 10
ASCE 7-10
Developed by ASCE-SEI using ANSI standard consensus process
Publication cycle varies (1988, 1993, 1995, 1998, 2002, 2005, 2010)
Chapter 23 includes listing of seismic design reference documents
Errata – go to www.seinstitute.org & click on publications
Next edition of ASCE 7 will be dated 2016
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U.S. Army Corps of Engineers Design Standards 11
ASCE 7-10 Seismic Contents
CHAPTER TITLE
11 Seismic Design Criteria
12 Seismic Design Requirements for Building Structures
13 Seismic Design Requirements for Nonstructural Components
14 Material Specific Design & Detailing
15 Nonbuilding Structures
16 Response History Procedures
17 Seismically Isolated Structures
18 Structures with Damping Systems
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U.S. Army Corps of Engineers Design Standards 12
ASCE 7-10 Seismic Contents
CHAPTER TITLE
19 Soil-Structure Interaction
20 Site Classification
21 Site-Specific Ground Motions
22 Maps
23 Reference Documents
APPENDIX TITLE
11 A Quality Assurance
11 B Existing Buildings
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U.S. Army Corps of Engineers Design Standards 13
Chapter 11 Seismic Design Criteria
11.1 General
11.2 Definitions
11.3 Symbols
11.4 Seismic Ground Motion Values
11.5 Importance Factor and Risk Category
11.6 Seismic Design Category (SDC)
11.7 Design Requirements for SDC A
11.8 Geologic Hazards & Geotechnical Investigation
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U.S. Army Corps of Engineers Design Standards 14
ASCE 7-10 Chapter 12 Seismic Design of Building Structures12.1 Design Basis
12.2 Structural Systems
12.3 Diaphragm Flexibility,
Configuration, &
Redundancy
12.4 Load Effects &
Combinations of Loads
12.5 Direction of Loading
12.6 Analysis Procedure
12.7 Modeling Criteria
12.8 ELF Method
12.9 Modal RS Method
12.10 Diaphragms, Chords
Collectors
12.11 Structural Walls (out-of-
plane) and Their
Anchorage
12.12 Drift and Deformation
12.13 Foundation Design
12.14 Simplified Alternate
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U.S. Army Corps of Engineers Design Standards 15
ASCE 7-10 Chapter 14 Material Specific Design and Detailing 14.1 – Steel
14.2 – Concrete
14.3 – Composite Steel and Concrete
14.4 – Masonry
14.5 – Wood DO NOT USE
2012 IBC does not adopt Chapter 14 by reference; it includes the same but updated information in its chapters dealing with the materials of construction
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U.S. Army Corps of Engineers Design Standards 16
2012 IBC Section 102.4.1: Conflicts
102.4.1 Conflicts. Where conflicts occur between provisions of this code and referenced codes and standards, the provisions of this code shall apply.
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U.S. Army Corps of Engineers Design Standards 17
2012 IBC Section 102.4.2: Provisions in Referenced Codes and Standards
102.4.2 Provisions in referenced codes and standards. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this code or the International Codes listed in Section 101.4, the provisions of this code or the International Codes listed in Section 101.4, as applicable, shall take precedence over the provisions in the referenced code or standard.
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U.S. Army Corps of Engineers Design Standards 18
Chapter 35 Referenced Standards
This chapter lists the standards that are referenced in various sections of this document. The standards are listed herein by the promulgating agency of the standard, the standard identification, the effective date and title, and the section or sections of this document that reference the standard. The application of the referenced standards shall be as specified in Section 102.4.
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U.S. Army Corps of Engineers Design Standards 19
Structural Steel
AISC 360-10 AISC 341-10
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U.S. Army Corps of Engineers Design Standards 20
Structural Steel
Can ignore AISC 341 (Seismic Provisions) in Seismic Design Categories B, C if R = 3 is used
Seismic Provisions required for all other situations
• Special, Intermediate, Ordinary Moment Resisting Frames
• Special, Ordinary Concentrically Braced Frames
• Eccentrically Braced Frames
• Buckling-Restrained Braced Frames
• Steel Plate Shear Walls
• Composite Steel and Concrete Systems
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U.S. Army Corps of Engineers Design Standards 21
Cold Formed Steel
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U.S. Army Corps of Engineers Design Standards 22
Cold Formed Steel
Lateral design standard covers
• Diaphragms and walls sheathed with structural wood panels
• Walls sheathed with light gage steel sheet
• Walls braced with diagonal steel straps
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U.S. Army Corps of Engineers Design Standards 23
Seismic Requirements are primarily found in Chapter 21
Composite Steel and Concrete is covered in AISC 341
Structural Concrete
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U.S. Army Corps of Engineers Design Standards 24
Structural Concrete
Special, Intermediate, Ordinary moment resisting frames
Special, Ordinary shear walls (structural walls)
Special, Intermediate, Ordinary precast concrete shear walls
Special precast concrete moment frames
Provisions for concrete structure not designed as part of seismic force-resisting systems
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U.S. Army Corps of Engineers Design Standards 25
Masonry
TMS 402-11
ACI 530-11
ASCE 5-11
(MSJC Code)
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U.S. Army Corps of Engineers Design Standards 26
Masonry
5 types of masonry shear walls
• Special, Intermediate, Ordinary reinforced walls
• Detailed, Ordinary plain walls
Seismic provisions somewhat buried
Prestressed Shear Walls
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U.S. Army Corps of Engineers Design Standards 27
Wood
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U.S. Army Corps of Engineers Design Standards 28
Wood Structures
Diaphragms and Shear Walls
Various sheathing types
Framing and configuration requirements
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U.S. Army Corps of Engineers Design Standards 29
Standards: Summary
UFC 3-310-04 cites 2012 IBC and ASCE 7-10 with modifications
2012 IBC cites ASCE 7-10
2012 IBC (and ASCE 7) cite and supplement material design standards:
• AISC 360-10, 341-10 for structural steel and composite steel/concrete
• AISI S100-07/S2-10, S110-07, 200-07, 210-07, 211-07, 212-07, 213-07/S1-10, S214-07, S230-07 for cold formed steel
• ACI 318-11 for concrete
• TMS 402-11 (MSJC) for masonry
• AF&PA NDS-2012 for wood
UFC 3-310-04 provides additional guidance
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U.S. Army Corps of Engineers Design Standards 30
Thank You!!
Any Remaining Questions?