1、Designation: C 1306 08Standard Test Method forHydrostatic Pressure Resistance of a Liquid-AppliedWaterproofing Membrane1This standard is issued under the fixed designation C 1306; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the
2、 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 describes a laboratory procedure fordetermining the resistance of a waterproofing membrane t
3、ohydrostatic pressure.1.2 The committee with jurisdiction over this standard is notaware of any comparable standards published by other orga-nizations.1.3 There are no ISO standards similar or equivalent to thisASTM standard.1.4 The values stated in SI units are to be regarded asstandard. The values
4、 given in parentheses are mathematicalconversions to inch-pound units that are provided for informa-tion only and are not considered standard.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
5、 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:2C 717 Terminology of Building Seals and SealantsC 1375 Guide for Substrates Used in Testing Building Sealsand Sealants3. Terminolo
6、gy3.1 DefinitionsRefer to Terminology C 717 for definitionsof technical terms used in this test method.4. Summary of Test Method4.1 This test method is conducted in two stages. In the firststage, the test membrane is subjected to hydrostatic pressurethat is increased steadily over an 8 h period unti
7、l the specimenfails or the maximum pressure is achieved. In the second partof the test, three more specimens are subjected to hydrostaticpressure that is increased slowly from 50 % of the failure valueto failure in 2.5 psi increments every two to three days.5. Significance and Use5.1 This test metho
8、d is used as a screening tool to determinethe hydrostatic pressure to which a liquid-applied waterproof-ing membrane may be subjected without failing when stretchedover a crack in the substrate. This test method discriminatesbetween a membrane that is very resistant to hydrostaticpressure and one th
9、at is not. Because of the variability inherentin this test method, it is not recommended that this test methodbe used to set a numerical standard for hydrostatic pressureresistance. No prediction of durability at lower hydrostaticpressures can be made when using the results of this testmethod.6. Com
10、parison to Other Standards6.1 The committee with jurisdiction over this standard is notaware of any comparable standards published by other orga-nizations.7. Apparatus and Materials7.1 Test Apparatus, made of Schedule 80 PVC pipe piecesand constructed as shown in Fig. 1.7.2 Masking Tape.7.3 TFE-Fluo
11、rocarbon or Polyethylene Spacers, three, 51by 19 by 3 mm (2 by 0.75 by 0.125 in.).7.4 Circulating Hot-Air Oven.7.5 Source of Regulated Compressed Air, capable of at least45 psig.7.6 Epoxy Cement, with gap filling capability, or non-sagconstruction mastic.7.7 Sealing Gaskets, eight, 102 mm (4 in.) ou
12、tside diameterby 57 mm (2.25 in.) inside diameter by 6 mm (0.25 in.) thickmade of very soft rubber.31This test method is under the jurisdiction ofASTM Committee D08 on Roofingand Waterproofing and is the direct responsibility of Subcommittee D08.22 onWaterproofing and Dampproofing Systems.Current ed
13、ition approved Dec. 15, 2008. Published January 2009. Originallyapproved in 1995. Last previous edition approved in 2005 as C 1306 05a.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume inf
14、ormation, refer to the standards Document Summary page onthe ASTM website.3The sole sources of supply of the materials (ADCO SP 505 and AshlandPlioseal T408 rubber sealing tapes) known to the committee at this time is ADCOProducts, 100 Tri State International, Suite 135, Lincolnshire, IL 60069 andAs
15、hlandInc., 50 E. RiverCenter Blvd., P.O. Box 391, Covington, KY 410120391. If you areaware of alternative suppliers, please provide this information to ASTM Interna-tional Headquarters. Your comments will receive careful consideration at a meetingof the responsible technical committee,1which you may
16、 attend.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7.8 Vernier Calipers.8. Preparation of Substrates8.1 Prepare mortar substrates as described in Guide C 1375.8.2 Cut the blocks into matching pairs each measuringapproximately 10
17、0 by 50 by 12 mm (4 by 2 by 0.5 in.).8.3 Other substrates may be used, and shall be prepared toprovide a clean, level test surface. Other preparation require-ments shall be as agreed upon between the supplier and thespecifier.9. Conditioning/Mixing9.1 Store all materials to be tested at standard con
18、ditions of23 6 2C (73.4 6 3.6F) and 50 6 5 % relative humidity forat least 24 h before any test specimens are prepared.9.2 Follow the manufacturers instructions for mixing andpreparing membrane materials for testing.9.3 When a primer is required by the membrane manufac-turer, use the primer as instr
19、ucted by the membrane manufac-turer.10. Procedure10.1 Application of the Membrane to the Test Substrate:10.1.1 Prepare four specimens. One will be used for therapid screening test and the others will be used for the longtermtest.10.1.2 Measure the thickness of each block to the nearest0.025 mm (0.00
20、1 in.), using vernier calipers. Record this value.10.1.3 For self-leveling membrane materials, lay the boundblocks on a sand bed and level them.Apply 50 mm (1 in.) widemasking tape around the perimeter of the joined test substratesso that approximately half of the width of the tape protrudesabove th
21、e test surface on all four sides to form a dam. Addsufficient material to yield a dry film thickness of 1.5 6 0.1 mm(0.060 6 0.005 in.). Check the coating thickness with a wetfilm gage. The film thickness may be built up in several coatsif specified by the manufacturer.10.1.4 For non-sag materials,
22、stretch a rubber band aroundthe perimeter of the substrate to keep the joint closed. Apply afilm of membrane at a dry film thickness of 1.5 6 0.1 mm(0.060 6 0.005 in.). Ensure that the material is a uniformthickness by using a draw-down bar or similar device.10.1.5 Allow the membrane to cure one wee
23、k at roomtemperature and 50 % relative humidity followed by one weekin an oven at 70C (158F). Remove the test specimens fromthe oven and allow them to cool to room temperature for atleast 1 h. Lay the specimens with membrane surface down onrelease paper.10.1.6 Using vernier calipers, carefully measu
24、re the thick-ness of the substrate-membrane composite on either side of thejoint. Measure to the nearest 0.025 mm (0.001 in.). Avoidstretching or tearing the membrane while measuring thethickness. Record these measurements.10.1.7 Remove all masking tape. Insert a TFE-fluorocarbonor polyethylene spac
25、er into the center of the joint of one of themembrane-mortar composites, leaving a cavity 3 by 25 mm(0.125 by 1 in.) at either end of the joint. Make sure the spaceris touching the membrane but does not cut it. Fill the cavitieson either side of the spacer with premixed epoxy cement orconstruction a
26、dhesive.10.1.8 The specimen may have to be clamped to keep it flat.Clamp it with “C” clamps or a heavy piece of angle iron. Placethe angle iron with one side resting on either side of the jointto form an inverted “V” with the point above the joint.10.1.9 Allow the cement to cure for one day. Remove
27、theclamps and spacer.10.2 Conduct Rapid Test:10.2.1 Install one membrane-mortar composite in the testapparatus by placing one sealing gasket on top of the mem-brane and one sealing gasket under the test specimen. Place thetest specimen with membrane side up in the test apparatus anddraw down on the
28、bolts to a snug fit.NOTE 1Be careful not to use excessive torque which will cause thetest specimen to fracture. See Fig. 1.10.2.2 Fill the test apparatus with approximately 100 mL oftap water. Place the tester inside a container to catch waterwhen failure of the membrane occurs.10.2.3 Connect the ap
29、paratus to a regulated air supply andapply 0.034 MPa (5 psig) of air pressure. Increase the airpressure by approximately 0.017 MPa (2.5 psig) every 15 minuntil membrane fails or pressure exceeds 0.310 MPa (45 psig).Water leaking from the bottom of the test apparatus indicatesfailure.NOTE 2Verify tha
30、t the membrane has actually failed (and that thetester has not developed a leak) by adjusting the air pressure to 0.034 MPaNOTEAll parts made of schedule 80 PVC.FIG. 1 Testing ApparatusC1306082(5 psig) or less, inverting the apparatus, and visually examining themembrane at the joint.10.3 Conduct the
31、 Long-Term Test:10.3.1 Repeat the procedures in 10.2.1 and 10.2.2.10.3.2 Connect the apparatus to a regulated air supply andapply air pressure at 80 % of failure value determined in 10.2.Increase the air pressure by approximately 0.017 MPa (2.5psig) every two days (or three days over a weekend). Con
32、tinuethe test until the membrane fails or the pressure exceeds 0.310MPa (45 psig). Water leaking from the bottom of the testapparatus indicates failure.NOTE 3Verify that the membrane has actually failed (and that thetester has not developed a leak) by adjusting the air pressure to 0.034 MPa(5 psig)
33、or less, inverting the apparatus, and visually examining themembrane at the joint.10.3.3 Repeat this test with the two remaining membrane-mortar composites.11. Calculation11.1 Calculate the measured dry film thickness as:DFT 5 BM 2 B (1)where:DFT = measured dry film thickness,BM = thickness of membr
34、ane-mortar composite, andB = thickness of block.12. Report12.1 Report the following information:12.1.1 The measured dry film thickness of the membrane ascalculated in 11.1,12.1.2 The air pressure in megapascals at which the mem-brane failed or the test was stopped in the rapid test (seeSection 2),12
35、.1.3 The air pressure in megapascals, at which each of thethree membranes failed, or the test was stopped, in thelong-term test. Also record the average of these three results,and12.1.4 The duration of each test in hours or days. Alsoreport the average of the three results for the long-term test.12.
36、1.5 By mutual agreement, test may be conducted withalternate thickness spacer. Report width of spacer used.13. Precision and Bias13.1 Repeatability The repeatability (within a given labo-ratory) interval for three materials tested by three laboratoriesis 14.931 psi. In future use of this test method
37、, the differencebetween two test results obtained in the same laboratory on thesame material will be expected to exceed 14.931 psi only about5 % of the time.13.2 Reproducibility The reproducibility (between givenlaboratories) interval for three materials tested by three labo-ratories is 21.082 psi.
38、In future use of this test method, thedifference between two test results obtained in different labo-ratories on the same material will be expected to exceed 21.082psi only about 5 % of the time.14. Keywords14.1 hydrostatic; membrane; waterproofingASTM International takes no position respecting the
39、validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is
40、subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Head
41、quarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This sta
42、ndard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).C1306083
