ASTM_D_5055_-_13e1.pdf

Designation:D5055131Standard Specification forEstablishing and Monitoring Structural Capacities ofPrefabricated Wood I-Joists1This standard is issued under the fixed designation D5055;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTETable 1 was changed editorially in June 2013.1.Scope1.1 GeneralThis specification gives procedures forestablishing,monitoring,and reevaluating structural capacitiesof prefabricated wood I-joists.Capacities considered are shear,reaction,moment,and stiffness.Procedures for establishingcommon details are given and certain design considerationsspecific to wood I-joists are itemized.1.2 Contents of the StandardAn index and brief descrip-tion of the main features of this specification are given inX1.1.1.1.3 Development of the StandardThe development andintent of this specification is discussed in Appendix X1.1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.A specific precau-tionary statement is given in 6.1.1.5.2.Referenced Documents2.1 ASTM Standards:2D198 Test Methods of Static Tests of Lumber in StructuralSizesD245 Practice for Establishing Structural Grades and Re-lated Allowable Properties for Visually Graded LumberD1990 Practice for Establishing Allowable Properties forVisually-Graded Dimension Lumber from In-Grade Testsof Full-Size SpecimensD2559 Specification for Adhesives for Bonded StructuralWood Products for Use Under Exterior Exposure Condi-tionsD2915 Practice for Sampling and Data-Analysis for Struc-tural Wood and Wood-Based ProductsD4761 Test Methods for Mechanical Properties of Lumberand Wood-Base Structural MaterialD5456 Specification for Evaluation of Structural CompositeLumber ProductsD5457 Specification for Computing Reference Resistance ofWood-Based Materials and Structural Connections forLoad and Resistance Factor DesignD7247 Test Method for Evaluating the Shear Strength ofAdhesive Bonds in Laminated Wood Products at ElevatedTemperaturesD7480 Guide for Evaluating the Attributes of a ForestManagement PlanE4 Practices for Force Verification of Testing MachinesE529 Guide for Conducting Flexural Tests on Beams andGirders for Building ConstructionE699 Practice for Evaluation of Agencies Involved inTesting,Quality Assurance,and Evaluating of BuildingComponentsIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units(SI):The Modern Metric System2.2 U.S.Product Standards:3PS-1 Structural PlywoodPS-2 Performance Standard for Wood-Based Structural-UsePanelsPS-20 American Softwood Lumber Standard2.3 Other Standards:CSA O86 Engineering Design in Wood4CSA Standards for Wood Adhesives O112 Series41This specification is under the jurisdiction of ASTM Committee D07 on Woodand is the direct responsibility of Subcommittee D07.02 on Lumber and EngineeredWood Products.Current edition approved April 1,2013.Published April 2013.Originallyapproved in 1990.Last previous edition approved in 2012 as D5055 12.DOI:10.1520/D5055-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from APAThe Engineered Wood Association,7011 South 19thStreet,Tacoma,WA 98466,http:/www.apawood.org;and TECO,2902 Terra Court,Sun Prairie,WI 53590,http:/.4Available from Canadian Standards Association(CSA),5060 Spectrum Way,Mississauga,ON L4W 5N6,Canada,http:/www.csa.ca.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 CSA O121 Douglas-fir Plywood4CSA O141 Softwood Lumber4CSA O151 Canadian Softwood Plywood4CSA O325 Construction Sheathing4CSA O437.0 OSB and Waferboard4Lumber Grading Rules Approved by American LumberStandards Committee(ALSC)or Canadian Lumber Stan-dards Accreditation Board(CLSAB)5SPS-1 Fingerjoined Structural Lumber6SPS-4 Fingerjointed Flange Stock Lumber,20016ISO/IEC 17020 General Criteria for the Operation of Vari-ous Types of Bodies Performing Inspection73.Terminology3.1 Definitions:3.1.1 prefabricated wood I-joista structural membermanufactured using sawn or structural composite lumberflanges and structural panel webs,bonded together with exte-rior exposure adhesives,forming an“I”cross-sectional shape.These members are primarily used as joists in floor an