UFC 3-301-01 CHANGE 3-2012 STRUCTURAL ENGINEERING.pdf

1、UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 UNIFIED FACILITIES CRITERIA (UFC) STRUCTURAL ENGINEERING APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With

2、 Change 3, 31 January 2012 UNIFIED FACILITIES CRITERIA (UFC) STRUCTURAL ENGINEERING Any copyrighted material included in this UFC is identified at its point of use. Use of the copyrighted material apart from this UFC must have the permission of the copyright holder. U.S. ARMY CORPS OF ENGINEERS NAVA

3、L FACILITIES ENGINEERING COMMAND (Preparing Activity) AIR FORCE CIVIL ENGINEER SUPPORT AGENCY Record of Changes (changes are indicated by 1 . /1/) Change No. Date Location 1 20 July 2010 Modified Appendix G, Table 17 regarding Haiti; modified paragraph 2-1.2.1 2 31 January 2011 Modified to conform t

4、o the adoption of IBC 2009; other minor revisions 3 31 January 2012 Modified to update seismic data for Djibouti, Africa This UFC supersedes UFC 3-300-10N, dated May 2005; UFC 3-310-01, dated 25 May 2005; UFC 3-310-02A, dated 1 March 2005; UFC 3-310-05A, dated 1 March 2005; UFC 3-310-07A, dated 19 J

5、une 2006; UFC 3-320-01A, dated 1 March 2005; UFC 3-320-02A, dated 1 March 2005; UFC 3-320-04A, dated 1 March 2005; UFC 3-320-05A, dated 1 March 2005; UFC 3-330-01A, dated 1 March 2005. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 J

6、anuary 2010 With Change 3, 31 January 2012 FOREWORD The Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies to the Military Departments, the Defense Agencies, and the DoD

7、 Field Activities in accordance with USD(AT either from wind or seismic; or be isolated to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 4 ensure that they are not susceptible to damage. M

8、asonry and other brittle wall systems are particularly susceptible to damage if not properly integrated into the design to ensure that they can adequately resist the stresses resulting from the building deformations or are effectively isolated to prevent damage. Exception: Reinforced concrete frame

9、members not designed as part of the seismic lateral force-resisting system shall comply with Section 21.9 of ACI 318. All structural vertical load bearing wall elements shall be considered to be part of the lateral force-resisting system. All applicable provisions of UFC 3-310-04 Table B-2 shall app

10、ly. 2-1.2.2 1604.3.1 - Deflections Replacement Deflections of structural members shall not exceed the more restrictive of the limitations of Sections 1604.3.2 through 1604.3.5 or those permitted by Table 1604.3, or Table 2-1 of UFC 3-301-01. 2-1.2.3 1604.3.6 - Limits Replacement Deflection of struct

11、ural members over span, l, shall not exceed that permitted by Table 1604.3 or Table 2-1 of UFC 3-301-01. TABLE 2-1 - LATERAL DEFLECTION LIMITS FOR FRAMING SUPPORTING EXTERIOR WALL FINISHESa,b,cBrick veneer L/600 Stucco L/360 Exterior Insulation Finish Systems L/240 Cement board L/360 Stone Masonry V

12、ERIFY WITH STONE SUPPLIER Plywood and Wood-Based Structural-Use Panels L/240 Gypsum sheathing L/240 Metal or vinyl siding L/240 Notes to Table 2-1, “LATERAL DEFLECTION LIMITS FOR FRAMING SUPPORTING EXTERIOR WALL FINISHES” a. Lateral deflection limits under seismic or wind loads Provided by IHSNot fo

13、r ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 5 b. The wind load is permitted to be taken as 0.7 times the “component and cladding” loads for the purpose of determining the deflection limits herein. c. For can

14、tilevered members, L shall be taken as twice the length of the cantilever. 2-1.2.4 1604.5 - Occupancy Category Replacement Buildings shall be assigned an occupancy category in accordance with Table 2-2 of UFC 3-301-01. Importance factors for snow load, 2 wind load, seismic load, and ice /2/ for each

15、 occupancy category are also shown in Table 2-2 of UFC 3-301-01. Note: IBC section 1604.5.1 shall remain in effect as written. 2-1.2.5 Table 1604.5 Replacement Replace Table 1604.5 of the IBC with Table 2-2 of this UFC. (All references in the IBC to Table 1604.5 shall be interpreted as a reference t

16、o Table 2-2 of this UFC.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 6 2 TABLE 2-2 - OCCUPANCY CATEGORY OF BUILDINGS AND OTHER STRUCTURES Occupancy Category Nature of Occupancy Seismic

17、Factor IESnow Factor ISWind Factor IWIce Factor IiI Buildings and other structures that represent a low hazard to human life in the event of failure, including, but not limited to: Agricultural facilities Certain temporary facilities Minor storage facilities 1.00 0.8 0.87a0.80 II Buildings and other

18、 structures except those listed in Categories I, III, IV and V 1.00 1.00 1.00 1.00 III Buildings and other structures that represent a substantial hazard to human life or represent significant economic loss in the event of failure, including, but not limited to: Buildings and other structures whose

19、primary occupancy is public assembly with an occupant load greater than 300 people Buildings and other structures containing elementary school, secondary school, or daycare facilities with an occupant load greater than 250 Buildings and other structures with an occupant load greater than 500 Group I

20、2 occupancies with an occupant load of 50 or more resident patients, but not having surgery or emergency treatment facilities Group I-3 occupancies Power-generating stations; water treatment facilities for potable water, waste water treatment facilities, and other public utility facilities that are

21、 not included in Categories IV and V Buildings and other structures not included in Categories IV and V containing sufficient quantities of toxic, flammable, or explosive substances to be dangerous to the public if released Facilities having high-value equipment, as designated by the authority havin

22、g jurisdiction 1.25 1.10 1.15 1.25 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 7 IV Buildings and other structures designed as essential facilities, including, but not limited to: Group

23、I-2 occupancies having surgery or emergency treatment facilities Fire, rescue, and police stations, and emergency vehicle garages Designated earthquake, hurricane, or other emergency shelters Designated emergency preparedness, communication, and operation centers, and other facilities required for e

24、mergency response Emergency backup power-generating facilities required for primary power for Category IV Power-generating stations and other utility facilities required for primary power for Category IV, if emergency backup power generating facilities are not available Structures containing highly

25、toxic materials as defined by Section 307, where the quantity of material exceeds the maximum allowable quantities of Table 307.7(2) Aviation control towers and air traffic control centers required for post earthquake operations where lack of system redundancy does not allow for immediate control of

26、 airspace and the use of alternate temporary control facilities is not feasible. Contact the authority having jurisdiction for additional guidance. Emergency aircraft hangars that house aircraft required for post-earthquake emergency response; if no suitable back up facilities exist Buildings and ot

27、her structures not included in Category V, having DoD mission-essential command, control, primary communications, data handling, and intelligence functions that are not duplicated at geographically separate locations, as designated by the using agency Water storage facilities and pump stations requi

28、red to maintain water pressure for fire suppression 1.50 1.20 1.15 1.25 VbFacilities designed as national strategic military assets, including, but not limited to: Key national defense assets (e.g. National Missile Defense facilities), as designated by the authority having jurisdiction. Facilities i

29、nvolved in operational missile control, launch, tracking, or other critical defense capabilities Emergency backup power-generating facilities required for primary power for Category V occupancy Power-generating stations and other utility facilities required for primary power for Category V occupancy

30、 if emergency backup power generating facilities are not available Facilities involved in storage, handling, or processing of nuclear, chemical, biological, or radiological materials, where structural failure could have widespread catastrophic consequences, as designated by the authority having jur

31、isdiction. Not Required 1.50 1.70 1.50 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 8 Notes to Table 2-2, “OCCUPANCY CATEGORIES OF BUILDINGS AND OTHER STRUCTURES” a. In hurricane-prone re

32、gions with V100 miles per hour, Iwshall be 0.77 for category I structures. b. An Occupancy Category has been added to address national strategic military assets. A Seismic Importance Factor, IE, is not required for the design of these facilities. (Occupancy Category V is equivalent to Seismic Use Gr

33、oup IV) /2/ 2-1.2.6 1604.11 - Fall Prevention and Protection Addition Fall prevention and protection shall be considered at a facility whenever there is a need or requirement to perform maintenance work at high locations, deliver material to or store equipment at heights as defined by OSHA 29 CFR 19

34、26, subpart M, 29 CFR 1910, subpart D, American National Standards Institute ANSI A1264.1, and ANSI Z359 “Fall Protection Code”. At the planning and design phase of a project, fall hazards shall be considered and eliminated whenever possible. When elimination or prevention of fall hazards is not fea

35、sible, the design shall include certified and labeled anchorages meeting the requirements of OSHA 29 CFR 1926.502, subpart M, and the American National Standards Institute, ANSI Z359. Where fall protection is required in the vicinity of weight-handling equipment, care must be taken to prevent potent

36、ial conflicts between the weight-handling equipment and the fall protection measures. 2-1.2.6.1 1604.11.1 - Loads Addition Fall protection loads (including dynamic / impact) shall be considered as live loads when applying the load combinations of Section 1605. 2-1.2.6.2 1604.11.2 - Load Combinations

37、 Addition Fall protection loads need not be combined with roof live loads or with more than three-fourths of the snow load or one-half of the wind load. 2-1.2.6.3 1604.11.3 - Impact Addition For the purpose of design, fall protection loads (fall arrest forces) shall be increased 100 percent to allow

38、 for impact. 2-1.3 Section 1607 - LIVE LOADS Table D-1 of this UFC includes IBC Table 1607.1 with additional Occupancy or Use classifications for military facilities. The additional classifications that have been added to IBC Table 1607.1 are shown in bold italics within Table D-1. Provided by IHSNo

39、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 9 2-1.3.1 1607.1- General Replacement Live loads are those loads defined in Section 1602.1. Table D-1 of UFC 3-301-01 defines minimum uniformly distributed liv

40、e loads and minimum concentrated live loads for the design of structures. 2-1.3.2 Table 1607.1 Replacement Replace Table 1607.1 of the IBC with Table D-1 of this UFC. (All references in the IBC to Table 1607.1 shall be interpreted as a reference to Table D-1 of this UFC.) 2-1.4 Section 1608 - SNOW L

41、OADS 2-1.4.1 1608.3 - Specific Locations Within the United States Addition Ground snow loads at DoD installations within the United States and its territories and possessions are identified in Table E-1 of UFC 3-301-01, to facilitate consistent interpretation of the information provided in Figure 16

42、08.2 and Table 1608.2. 2-1.4.2 1608.4 - Specific Locations Outside of the United States Addition Ground snow loads at specific locations outside of the United States and its territories and possessions are identified in Table F-1 of UFC 3-301-01. At locations where the ground snow load is not provid

43、ed, use the best available locality information. For additional guidance contact the 2 authority having jurisdiction /2/. 2-1.4.3 1608.5 - Snow Load Case Studies Addition Snow load case studies may be done to clarify and refine snow loadings at site-specific locations with the approval of the 2 auth

44、ority having jurisdiction /2/. The methodology used to conduct snow load case studies at site-specific locations is presented in the Cold Regions Research and Engineering Laboratory (CRREL) report “Snow Loads for the United States.” 2-1.5 Section 1609 - WIND LOADS 2-1.5.1 1609.2 - Definitions Replac

45、ement Replace the definition of Wind-Borne Debris Region with the following: WIND-BORNE DEBRIS REGION. For locations within the United States and its territories and possessions, portions of hurricane-prone regions that are within 1 mile (1.61 km) of the coastal mean high water line where the basic

46、wind speed is 100 mph (48 m/s) or greater; or portions of hurricane-prone regions where the basic wind speed is 120 mph (53 m/s) or greater; or Hawaii. For locations outside of the United States and its territories and possessions, regions where the basic wind speed is 120 mph (53 m/s) or greater. P

47、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-301-01 27 January 2010 With Change 3, 31 January 2012 10 2-1.5.2 1609.3.1 - Specific Locations Within the United States Replacement Basic wind speeds at DoD installations within the United States a

48、nd its territories and possessions are identified in Table E-1 of UFC 3-301-01 to facilitate consistent interpretation of the information provided in Figure 1609. 2-1.5.3 1609.3.2 - Specific Locations Outside of the United States Addition Basic wind speeds at specific locations outside of the United States and its territories and possessions are identified in Table F-1 of UFC 3-301-01. At locations where the basic wind speed is not provided, use the best available locality information. For additional guidance contact the 2 aut