1、Designation:C118100(Reapproved 2012)Standard Test Methods forCompressive Creep of Chemical-Resistant PolymerMachinery Grouts1This standard is issued under the fixed designation C1181;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,th
2、e 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 These test methods cover a quantitative,comparativetest for compressive creep of chemical-resistant groutingmater
3、ials under a sustained load at a test temperature.Constantload is maintained using a bolt and spring washers.Measure-ments are made at laboratory temperature after exposureperiods at the selected test temperature.1.2 Test Method A outlines the molding techniques for anunbonded test specimen.Test Met
4、hod B covers the moldingtechniques for a bonded test specimen.1.3 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.1.4 This standard does n
5、ot 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.2.Referenced Documents2.1 ASTM Standards:2
6、C904 Terminology Relating to Chemical-Resistant Nonme-tallic Materials3.Terminology3.1 DefinitionsFor definitions of terms used in these testmethods,see Terminology C904.4.Significance and Use4.1 These test methods provide a means of measuring thetotal compressive deflection of chemical-resistant,ma
7、chinery-grout materials under a sustained load at the test temperature.Test stress and temperature can be selected to simulate antici-pated use conditions.For the purposes of these tests,creep isconsidered to be the compressive deflection in inches per inch,which occurs after the initial loading of
8、the specimen atlaboratory temperature.The results do not necessarily corre-late for different specimen thicknesses.No correlation has beenestablished to actual-use conditions.5.Apparatus5.1 Steel Loading PlatesSteel plates,as described,areused for loading the grout during the test.They may,also,bepa
9、rt of the mold used to cast the grout specimen.5.1.1 Two steel plates are required for each test specimen.The plates shall be 414to 5 in.(11 to 13 cm)square by 1 in.(25mm)thick.A118-in.(30-mm)diameter hole shall be drilled inthe center of the plates.The edges of the plates and holes shallbe deburred
10、.5.1.2 One of the steel plates shall have four14-in.(6-mm)measuring holes(one in each corner)with the center12in.(13mm)in from each edge.5.2 Bolt AssemblyA1-in.(24-mm)diameter by 7.5 in.(19cm)long,high-strength steel bolt,and nut,flat washers,andspring washers are used to maintain the test load.5.3
11、Belleville Spring WashersFour washers are requiredfor each test.These shall be high carbon steel with dimensionsof 118by 214in.(5.7 by 6.0 cm)outside diameter by 0.159-in.(4.0-mm)thickness,with 0.039-in.(1.0-mm)dish.Thesewashers will have an approximate spring rate of 153 000 lb/in.(27 300 kg/cm)and
12、 a rated load of 5793 lb(2630 kg)whenflattened.5.4 Grout Mold,suitable to cast the 4-in.(10-cm)diameterby 2 6 0.1 in.(5 cm)thick grout specimen with a 118-in.diameter center hole as shown in Fig.1.The faces must beparallel to within 0.030 in.(0.75 mm)over the 4-in.diameterspecimen contact area(see 5
13、.3).The mold may utilize the steelloading plates.5.4.1 For the bonded method,the plates are used as moldend plates.5.5 Compression Machine or Apparatus,capable of apply-ing the test load to within 62.0%.1These test methods are under the jurisdiction of ASTM Committee C09 onConcrete and ConcreteAggre
14、gates and are the direct responsibility of SubcommitteeC09.41 on Hydraulic Cement Grouts.Current edition approved Aug.1,2012.Published September 2012.Originallyapproved in 1991.Last previous edition approved in 2005 as C1181 00(2005).DOI:10.1520/C1181-00R12.2For referenced ASTM standards,visit the A
15、STM 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States
16、1 5.6 Depth Micrometer,readable to 0.0001 in.(2.5)withadjustable shaft length capable of reading approximately 3-in.(7.6-cm)depth.5.7 Indicating Caliper,readable to 0.001 in.(25).5.8 Constant Temperature Oven,capable of maintaining thedesired temperature 64F(62C).5.9 Suitable Support Stand,capable of supporting the testassembly when placed under compressive load.6.Specimen Preparation6.1 Temperature Condition all grout components andmolds at 73 6 4F(23 6 2C),for at least 24 h prior to use.6.2 Te