1、Designation:F163203(Reapproved 2010)An American National StandardStandard Test Method forParticle Size Analysis and Sand Shape Grading of GolfCourse Putting Green and Sports Field Rootzone Mixes1This standard is issued under the fixed designation F1632;the number immediately following the designatio
2、n 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.Scope1.1 This test method covers the determination o
3、f particlesize distribution of putting green and other sand-based root-zone mixes.Particles larger than 0.05 mm(retained on a No.270 sieve)are determined by sieving.The silt and claypercentages are determined by a sedimentation process,usingthe pipet method.This procedure was developed for puttinggr
4、een rootzone mixes,those assumed to have sand contents of80%by weight or greater.Particle size analysis of soils may beperformed by this test method or Test Method D422.This testmethod also describes a qualitative evaluation of sand particleshape.1.2 This standard does not purport to address all of
5、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.2.Referenced Document2.1 ASTM Standards:2D422 Test Method for Particle-
6、Size Analysis of SoilsE11 Specification for Woven Wire Test Sieve Cloth and TestSievesE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Apparatus3.1 Balance,sensitive to 0.001 g.3
7、.2 Stirring Apparatus,may be either of the followingtypes:3.2.1 For Method AAn Electric Mixer,made for mechani-cal mixing of soils,or3.2.2 For Method BA Horizontal Reciprocating Shaker,with holder for 250 mL flasks or bottles.3.3 Sedimentation Cylinder,a glass cylinder marked for avolume of 1000 mL.
8、The height of the 1000 mL must be36 6 2 cm from the bottom on the inside.3.4 Thermometer,accurate to 0.5C.3.5 Pipet Rack,a device for lowering a pipet to a precisedepth in the sedimentation cylinder.3.6 Pipets,Lowy or other wide tipped type,25 mL capacity.3.7 Weighing Bottles or Beakers,glass with a
9、 capacity of100 mL.3.8 Sieves,square mesh with woven wire(brass or stainlesssteel).The sieves shall conform to the requirements of Speci-fication E11.A full set of sieves shall include the following:3.8.1 No.102 mm,3.8.2 No.181 mm,3.8.3 No.35500 m,3.8.4 No.60250 m,3.8.5 No.100149 m,3.8.6 No.140105 m
10、,and3.8.7 No.27053 m.3.9 Sieve Shaker,type that provides vertical tapping actionas well as horizontal shaking.3.10 Desiccator.3.11 Dispersing Agent,a 5%sodium hexametaphosphate(HMP)solution,made by dissolving 50 g of reagent ortechnical grade HMP in 1000 mL of distilled or demineralizedwater.3.12 Ov
11、en,capable of maintaining a temperature of 105 65C.3.13 Watershall be distilled or demineralized,and broughtto the temperature that is expected to prevail during thesedimentation process.If air temperatures are expected tofluctuate,cylinders should be placed in a constant temperaturewater bath,and t
12、he distilled or demineralized water brought tothe temperature of the water bath.1This test method is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilitiesand is the direct responsibility ofSubcommittee F08.64 on Natural Playing Surfaces.Current edition appro
13、ved Sept.1,2010.Published December 2010.Originallyapproved in 1995.Last previous edition approved in 2003 as F1632 03.DOI:10.1520/F1632-03R10.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume
14、information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.14 Dissecting Microscope,25 to 50 power.TEST METHOD 1PROCEDURE FOR PARTICLESIZE ANALYSIS4.Procedure4.1 Dispersio
15、n of Sample:4.1.1 Weigh 100 6 5 g of air-dried rootzone mix to thenearest 0.1 g and place in mixing cup(Test Method A)or flask(Test Method B).Place a duplicate sample into a drying ovenset at 105 6 5C for correction to oven dried basis.4.1.2 Add 100 mL of dispersing agent.Stir or swirl until theroot
16、zone mix is thoroughly wet.Allow to stand for 4 h.If usingTest Method B,place the flasks or bottles on the shaker andshake for 16 h or overnight.4.1.3 Test Method AAdd about 100 mL of water to themixing cup and place onto the mixer.Mix for 5 min on lowspeed.4.2 Determination of the Sand(2.0 to 0.05 mm)Fractionsand Gravel(material 2 mm):4.2.1 Place a tared No.270 sieve onto a large funnel held bya stand over a sedimentation cylinder.Pour the suspension ontothe sieve.Rinse remaining sand material
