1、Designation: C1705/C1705M 09 (Reapproved 2016)Standard Specification forStructural Cementitious Panels1This standard is issued under the fixed designation C1705/C1705M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of la
2、st revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers structural cementitious panels.Structural cementitious panels are non-combustible, waterdurabl
3、e, fiber reinforced inorganic composite panels intendedfor use as structural panels. Structural cementitious panels canbe used as floor, roof and wall sheathing when fastened tosupports spaced in accordance with the appropriate span rating.1.2 This specification defines minimum performance re-quirem
4、ents for structural cementitious sheathing panels withrespect to structural performance, dimensional stabilityperformance, dimensional tolerance, noncombustibility, sur-face burning characteristics, long-term durability, waterdurability, mold resistance, density, moment capacity andbending stiffness
5、.1.3 This specification also defines a policy to assure on-going product quality by detecting changes in panel propertiesthat may adversely affect panel performance. Required auditsof quality activities by a third party quality assurance agencyare also defined.1.4 The values stated in either inch-po
6、und units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-con
7、formance with thestandard.1.5 This 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 pr
8、ior to use.2. Referenced Documents2.1 ASTM Standards:2C1185 Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and SidingShingles, and ClapboardsC1704/C1704M Test Method for Sampling and TestingStructural Cementitious PanelsD1037 Test Methods for Evaluating Propertie
9、s of Wood-Base Fiber and Particle Panel MaterialsD1761 Test Methods for Mechanical Fasteners in WoodD3273 Test Method for Resistance to Growth of Mold on theSurface of Interior Coatings in an Environmental Cham-berE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE136 Test Meth
10、od for Behavior of Materials in a VerticalTube Furnace at 750CE330 Test Method for Structural Performance of ExteriorWindows, Doors, Skylights and Curtain Walls by UniformStatic Air Pressure DifferenceE661 Test Method for Performance of Wood and Wood-Based Floor and Roof Sheathing Under Concentrated
11、Static and Impact LoadsG21 Practice for Determining Resistance of Synthetic Poly-meric Materials to Fungi3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 cross machine direction (XMD), nthe direction per-pendicular to the machine direction.3.1.2 edge, nedges of a panel refer to
12、 the long side of arectangular panel. For example, ona4by8ftpanel, the edgesrefer to the sides of the panel that are 8 ft long.3.1.3 end, nthe end of a panel refers to the short side of arectangular panel. For example, ona4by8ftpanel, the endrefers to the side of the panel that is 4 ft long.1This sp
13、ecification is under the jurisdiction ofASTM Committee C27 on PrecastConcrete Products and is the direct responsibility of Subcommittee C27.40 on GlassFiber Reinforced Concrete.Current edition approved April 1, 2016. Published May 2016. Originallyapproved in 2009. Last previous edition approved in 2
14、009 as C1705/C1705M - 09.DOI: 10.1520/C1705_C1705M-09R16.2For 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.Copy
15、right ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.4 fiber reinforced inorganic composite, na compositematerial composed primarily of inorganic matrix materialsreinforced primarily with inorganic fibers. Inorganic aggre-gates may be comb
16、ined with the inorganic matrix.3.1.5 machine direction (MD), nthe direction the boardtravels during manufacture.3.1.6 noncombustibility, nterm intended to describe prod-ucts that do not ignite and/or burn when subjected to fire. Testmethods are generally specified by reputable agencies such asASTM,
17、Factory Mutual, Underwriters Lab Inc., etc.3.1.7 performance standard, na standard for productsbased on performance. Performance is measured by tests thatapproximate end-use conditions.3.1.8 plant specification, nthe plant specification is uniqueto each qualified product under a given performance st
18、andard.The specification is used in the plant quality program asaudited under the approved quality control program.3.1.9 qualification policy, npolicy that describes the pro-cedures by which a plant may obtain span rating privileges forperformance-rated products policy.3.1.10 quality assurance polic
19、y, npolicy covering thethird-party auditing of plants quality control program.3.1.11 reference value, nthe numerical value establishedfor the plant specification for a given mechanical or physicalproperty.3.1.12 sample average, nthe average test value, obtainedby summing the observations and dividin
20、g by the number oftests.3.1.13 sample panel, na structural cementitious panelfrom which test specimens are cut and conditioned as neces-sary.3.1.14 sample standard deviation, na measure of testvariation. Calculated as:S 5 =(x22 (x!2/n#/n 2 1 (1)where:S = sample standard deviation,x = test observatio
21、n, andn = number of observations.3.1.15 span rating, nthe recommended maximum center-to-center support spacing in inches for the specified end useunder normal use conditions.3.1.16 specimen, nthe individual test piece cut from asample panel.3.1.17 structural cementitious panel, nnon-combustible,wate
22、r durable, fiber-reinforced inorganic composite panelsintended for use as structural panels.3.1.18 test exposure condition, nthe condition to which apanel is subjected prior to test. Generally, such conditions arereferred to as the dry or wet conditions.3.1.19 test specimen, nspecimens cut from a sa
23、mple panelthat are used for testing.3.1.20 water durability, nperformance of a product aftersustained immersion in water for a specified period of time.4. Performance Specifications for StructuralCementitious Panels4.1 Structural cementitious panels are fiber-reinforced inor-ganic composite panels i
24、ntended for use as structural panels.When used as a floor sheathing panel, structural cementitiouspanels can be used as a combination subfloor and underlayment(single floor grade) or as a sheathing grade panel, which whenused as a floor requires an underlayment panel on top of it. Ineither case, pan
25、els must be fastened to supports spaced inaccordance with the panels span rating. Sections 5 through 13describe qualification procedures and initial testing required todemonstrate that the panels performance characteristics meetthe requirements of this standard.5. Structural Performance5.1 Concentra
26、ted LoadsPanels shall be tested accordingto the procedures of Test Method E661 for concentrated staticand impact loads. Panels shall conform to the criteria of Tables1 and 2 for the end use and span shown on the panel.5.2 Uniform LoadsPanels shall be tested according to theprocedures of Test Method
27、E330 for uniform loads. Uniformloads shall be applied in both the positive and negativedirections. Panels shall conform to the performance values ofTable 3 for the end use and span shown on the panel.TABLE 1 Sheathing Grade SheetsConcentrated Static and Impact Test Performance Criteria for Panels Te
28、sted According toTest Method E661Span Rating,in.Test ExposureConditionsAPerformance RequirementsMinimum Ultimate Load, lb kNMaximumDeflection, in. mmUnder 200-lb Load 0.89 kNStatic Following Impact16 406 mm DryWet400 lb 1.78 kN400 lb 1.78 kN400 lbB1.78 kN400 lbB1.78 kN0.125 in.C3.18 mm0.125 in.C3.18
29、 mm20 508 mm DryWet400 lb 1.78 kN400 lb 1.78 kN400 lbB1.78 kN400 lbB1.78 kN0.125 in.C3.18 mm0.125 in.C3.18 mm24 610 mm DryWet400 lb 1.78 kN400 lb 1.78 kN400 lbB1.78 kN400 lbB1.78 kN0.125 in.C3.18 mm0.125 in.C3.18 mmAWet conditioning is exposure to seven days continuous wetting and tested wet.BImpact
30、 shall be 75 ft-lb 102 J for span ratings up to 24 in. o.c 610 mm o.c.CCriteria apply under both static concentrated load and following impact.C1705/C1705M 09 (2016)25.3 Fastener HoldingFor lateral fastener loads, panelsshall be tested according to the procedures of Test MethodsD1761, using the sect
31、ions applicable to lateral fastener loadtesting. For withdrawal loads, panels shall be tested accordingto Test Methods D1037, using the sections applicable towithdrawal load testing. Panels shall conform to the criteria ofTable 4 for the end use and thickness shown on the panel.6. Stability Performa
32、nce6.1 Linear ExpansionPanels shall be tested according toTest Methods C1185, using the section applicable to linearexpansion. Linear expansion of the structural panel shall notexceed 0.1 %, in either the machine or cross machine direction.Testing shall be initiated 28 days after panel production.6.
33、2 Thickness SwellPanels shall be tested according toTest Methods D1037, Method B. Thickness swell of the floorsheathing panel shall not exceed 3 %. Testing shall be initiated28 days after panel production.6.3 Water AbsorptionPanels shall be tested according toTest Method C1704/C1704M, using the sect
34、ion applicable towater absorption. Water absorption of the floor sheathing panelshall not exceed 15 % when tested at the age of 28 days.6.4 Panel Freeze/ThawPanels shall be tested in accor-dance with Test Methods C1185, using the section applicableto panel freeze/thaw. Panels shall retain a minimum
35、of 75 % ofthe control strength values after 50 cycles, in either themachine or cross machine direction. Testing shall be initiated at28 days after panel production.7. Dimensional Tolerance and Squareness of Panels7.1 Length and WidthA tolerance of 618 in. 63.2 mmshall be allowed on specified length
36、and/or width.7.2 ThicknessA tolerance of 6132 in. 60.8 mm forspecified thicknesses.7.3 Squareness and StraightnessPanels shall be squarewithin164 in. 0.4 mm per lineal foot of panel length, asmeasured along the diagonals. All panels shall be manufac-tured so that a straight line drawn from one corne
37、r to theadjacent corner is within116 in. 1.6 mm of the panel edge.8. Noncombustibility8.1 Panels shall be tested according to Test Method E136 atan age of 28 days. Panel specimens shall be demonstrated to benon-combustible per the requirements of Test Method E136.TABLE 2 Single Floor Grade SheetsCon
38、centrated Static and Impact Test Performance Criteria for Panels Tested According toTest Method E661Span Rating,in.Test ExposureConditionsAPerformance RequirementsMinimum Ultimate Load, lb kNMaximumDeflection, in. mmUnder 200-lb Load 0.89 kNStatic Following Impact16 406 mm DryWet550 lb 2.45 kN550 lb
39、 2.45 kN400 lbB1.78 kN400 lbB1.78 kN0.078 in.C1.98 mm0.078 in.C1.98 mm20 508 mm DryWet550 lb 2.45 kN550 lb 2.45 kN400 lbB1.78 kN400 lbB1.78 kN0.094 in.C2.39 mm0.094 in.C2.39 mm24 610 mm DryWet550 lb 2.45 kN550 lb 2.45 kN400 lbB1.78 kN400 lbB1.78 kN0.108 in.C2.74 mm0.108 in.C2.74 mmAWet conditioning
40、is exposure to seven days continuous wetting and tested wet.BImpact shall be 75 ft-lb 102 J for span ratings up to 24 in. o.c. 610 mm o.c.CCriteria apply under both static concentrated load and following impact.TABLE 3 Uniform Load Performance Criteria for Panels Tested per Test Method E330Span Rati
41、ng,in.TestExposureConditionsAAverage DeflectionUnder LoadB,CMinimum UltimateUniform Load,psf kPa16 406 mm Dry or Wet 0.044 in. 1.12 mm 100 psf 4.79 kPa 330 psf 15.8 kPa20 508 mm Dry or Wet 0.053 in. 1.35 mm 100 psf 4.79 kPa 330 psf 15.8 kPa24 610 mm Dry or Wet 0.067 in. 1.70 mm 100 psf 4.79 kPa 330
42、psf 15.8 kPaAWet conditioning is exposure to seven days continuous wetting and tested wet.BDeflection of sheathing relative to framing.CSpecimen tested in 2 span condition.TABLE 4 Fastener Performance Criteria Under Lateral and Withdrawal Loads for Structural Cementitious Panels Tested perTest Metho
43、ds D1761 (Lateral Loads) and Test Methods D1037 (Withdrawal Loads)End UsePanelThickness,in.Screw SizeTestExposureConditionPerformance Requirements forMinimum Ultimate Load,lb NLateral WithdrawalStructuralCementitious PanelsSingle Floor orSheathing GradeGreater than12 12.7 mm#8,1-58 in. 41.3 mmDryWet
44、210 lb 0.93 kN160 lb 0.71 kN20 lb 89 N15 lb 67 NC1705/C1705M 09 (2016)39. Surface Burning Characteristics9.1 Panels shall be tested according to Test Method E84 forsurface burning characteristics at an age of 28 days. Testspecimens shall achieve a 0 flame spread and a maximumsmoke developed of 5.10.
45、 Long-Term Durability10.1 Panels shall be tested per Test Methods C1185, usingthe section applicable to long-term durability, with condition-ing initiated at an age of 28 days after production. A minimumretention of 75 % of maximum load and maximum deflectionvalues shall be achieved for the wet cond
46、itioned specimenscompared to the control samples. Testing shall be conducted inboth the machine and the cross machine directions.11. Water Durability11.1 Panels shall be tested per Test Methods C1185, usingthe section applicable to water durability, at an age of 28 daysin an as-is and wet condition.
47、 Wet specimens shall retain aminimum of 70 % of the maximum load and maximumdeflection compared to the as-is samples. Testing shall beconducted in both the machine and the cross machine direc-tions.12. Mold Resistance12.1 Panels shall be tested for mold resistance per TestMethod D3273 and Practice G
48、21. Test specimens shall have amold resistance value of 10 when tested per Test MethodD3273 and a mold resistance value of 1 or less when tested perPractice G21. In both cases, testing shall be initiated at 28 daysafter production of the panels.13. Density13.1 Panels shall be tested for density in a
49、ccordance withTest Method C1704/C1704M, using the section applicable todensity. Testing shall be initiated at 28 days after production ofthe panels. Density shall be 70 pcf 1124 kg/m3 minimum.14. Sampling and Inspection14.1 Panel samples shall be selected in sufficient quantity toenable statistical analysis. Test specimens prepared from panelsamples shall be sufficient in number t
