ASTM D7032-2015 red 9703 Standard Specification for Establishing Performance Ratings for Wood-Plastic Composite and Plastic Lumber Deck Boards Stair Treads Guards and Handrails《建立木.pdf
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1、Designation: D7032 14D7032 15Standard Specification forEstablishing Performance Ratings for Wood-PlasticComposite Deck Boards and Guardrail Systems (Guards orHandrails)and Plastic Lumber Deck Boards, Stair Treads,Guards, and Handrails1This standard is issued under the fixed designation D7032; the nu
2、mber 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.1. Scop
3、e1.1 This specification covers the procedures to establish a performance rating for wood-plastic composite (WPC) deck boards.This specification also defines the procedures to establish a performance rating for WPC guards and handrails. The purpose of thisspecification is to establish the basis for c
4、ode recognition of these products or systems in exterior applications where combustibleconstruction is allowed (see X1.1).NOTE 1While WPCs may contain wood fiber, the presence of wood fiber in the composite is not required by this standard. Other lignocellulosicmaterials may be used. For WPC deck bo
5、ards and guardrail systems evaluated according to this standard, the structural, physical, and fire attributes mayor may not exhibit similarity to those of wood due to the presence, type, and quantity of plastic(s) in the composite. WPCs should not be assumed tobehave similarly to wood. For example,
6、 to address the influence of plastic in the composite, special considerations in the standard address sensitivity totemperature, ultraviolet (UV) exposure, and freeze-thaw resistance.1.1.1 The plastic component of wood-plastic composites and plastic lumber covered by this specification shall consist
7、 primarilyof thermoplastics.1.2 Deck boards, stair treads, guards, and handrails covered by this specification are permitted to be of any code compliant shapeand thickness (solid or non-solid).NOTE 2While WPCs are produced in a broad range of ratios of fiber to resin it is recognized that the perfor
8、mance requirements in this specificationare valid for any material or combination of materials used as deck boards, guards, or handrails. For products made primarily from resin, or for productsthat exhibit highly plastic properties (for example, more than 3 % strain without rupture in a standard fle
9、xural test under ambient conditions), users aredirected to Specification D6662 for additional guidance.1.3 A deck board, and a deck board used as a stair tread, are assigned a span rating indicating its ability to comply with modelcode specified functions identified for its specific end use. A guard
10、 or handrail is recognized for its ability to meet minimum coderequirements specified in the appropriate model building code.1.4 Wood-plastic composites and plastic lumber are produced in a broad range of fiber and/or resin formulations. It is recognizedthat the performance requirements in this spec
11、ification are valid for any material or combination of materials used as deck boards,stair treads, guards, or handrails.1.5 Details of manufacturing processes may be proprietary and are beyond the scope of this specification.1.6 The values stated in inch-pound units are to be regarded as standard. T
12、he values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standar
13、d to establish appropriate safety and health practices and determine the applicability of regulatoryrequirements prior to use.1.8 Table of Contents:SectionScope 1Referenced Documents 2Terminology 31 This specification is under the jurisdiction ofASTM Committee D07 on Wood and is the direct responsib
14、ility of Subcommittee D07.02 on Lumber and Engineered WoodProducts.Current edition approved Dec. 1, 2014Dec. 1, 2015. Published January 2015February 2016. Originally approved in 2004. Last previous edition approved in 20102014 asD7032 10D7032 14.A. DOI: 10.1520/D7032-14.10.1520/D7032-15.This documen
15、t is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as app
16、ropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1SectionGeneral Requirements 4Sampling 4.1Sample Size 4.2Cond
17、itioning 4.3Flexural Tests 4.4Temperature and Moisture Effects 4.5Ultraviolet (UV) Resistance Test 4.6Freeze-Thaw Resistance Test 4.7Biodeterioration Tests 4.8Fire Performance Tests 4.9Deck Board Performance Requirements 5General 5.1Flexural Performance Tests 5.2Determination of the Unadjusted Allow
18、ableLoad5.3Creep-Recovery Test 5.4Mechanical Fastener Holding Tests 5.5Slip Resistance Test 5.6Guard and Handrail PerformanceRequirements6General 6.1Guardrail System Test Requirements 6.2One- and Two-Family DwellingRequirements6.2.1.1Handrail Test Requirements (ConcentratedLoad)6.3Report 7Independen
19、t Inspection 8Manufacturing Standard 9Precision and Bias 10Keywords 11Two-Span Test Method Annex A1Commentary Appendix X12. Referenced Documents2.1 ASTM Standards:2D9 Terminology Relating to Wood and Wood-Based ProductsD198 Test Methods of Static Tests of Lumber in Structural SizesD790 Test Methods
20、for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating MaterialsD883 Terminology Relating to PlasticsD1037 Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel MaterialsD1413 Test Method for Wood Preservatives by Laboratory Soil-Block Cultur
21、es (Withdrawn 2016)3D1554 Terminology Relating to Wood-Base Fiber and Particle Panel MaterialsD1761 Test Methods for Mechanical Fasteners in WoodD1929 Test Method for Determining Ignition Temperature of PlasticsD1972 Practice for Generic Marking of Plastic Products (Withdrawn 2014)3D2017 Test Method
22、 of Accelerated Laboratory Test of Natural Decay Resistance of Woods (Withdrawn 2014)3D2047 Test Method for Static Coefficient of Friction of Polish-Coated Flooring Surfaces as Measured by the James MachineD2394 Test Methods for Simulated Service Testing of Wood and Wood-Base Finish FlooringD2565 Pr
23、actice for Xenon-Arc Exposure of Plastics Intended for Outdoor ApplicationsD2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based ProductsD3345 Test Method for Laboratory Evaluation of Wood and Other Cellulosic Materials for Resistance to TermitesD4000 Classification System
24、 for Specifying Plastic MaterialsD4092 Terminology for Plastics: Dynamic Mechanical PropertiesD4761 Test Methods for Mechanical Properties of Lumber and Wood-Base Structural MaterialD5764 Test Method for Evaluating Dowel-Bearing Strength of Wood and Wood-Based ProductsD6109 Test Methods for Flexural
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