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    ASTM C1305 C1305M-2016 Standard Test Method for Crack Bridging Ability of Liquid-Applied Waterproofing Membrane《液体防水材料裂纹桥接能力的标准试验方法》.pdf

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    ASTM C1305 C1305M-2016 Standard Test Method for Crack Bridging Ability of Liquid-Applied Waterproofing Membrane《液体防水材料裂纹桥接能力的标准试验方法》.pdf

    1、Designation: C1305 08C1305/C1305M 16Standard Test Method forCrack Bridging Ability of Liquid-Applied WaterproofingMembrane1This standard is issued under the fixed designation C1305;C1305/C1305M; the number immediately following the designation indicatesthe year of original adoption or, in the case o

    2、f revision, the year of last 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 test method covers a laboratory procedure for determining the ability of a waterproofing

    3、membrane to bridge a crackin the substrate.1.2 There are no ISO standards similar or equivalent to this ASTM standard.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values given inparentheses are mathematical conversions to inch-pound unit

    4、s that are provided for information only and are not consideredstandard. stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.Combining values from the two systems may result in non-conformance with the standard.1.4 This standard does no

    5、t purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:

    6、2C33C33/C33M Specification for Concrete AggregatesC150C150/C150M Specification for Portland CementC717 Terminology of Building Seals and SealantsC1375 Guide for Substrates Used in Testing Building Seals and Sealants3. Terminology3.1 DefinitionsRefer to Terminology C717 for definitions of technical t

    7、erms used in this test method.4. Summary of Test Method4.1 This test method consists of casting five specimens of membrane on mortar substrates containing a preexisting crack andallowing them to age 14 days at standard conditions followed by seven days in an air-circulating oven at 70C (158F),158F,p

    8、lacing them in a test machine, and subjecting the assembly to ten cycles of movement.5. Significance and Use5.1 This test method is used to indicate a waterproofing membranes ability to maintain its integrity while bridging a preexistingcrack in the substrate at low ambient temperatures, when the me

    9、mbrane is least likely to be flexible.6. Comparison to Other Standards6.1 The committee with jurisdiction over this standard is not aware of any comparable standards published by otherorganizations.1 This test method is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is

    10、 the direct responsibility of Subcommittee D08.22 onWaterproofing and Dampproofing Systems.Current edition approved Dec. 15, 2008Nov. 1, 2016. Published January 2009November 2016. Originally approved in 1995. Last previous edition approved in 20062008as C1305 06.C1305 08. DOI: 10.1520/C1305-08.10.15

    11、20/C1305_C1305M-16.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and

    12、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 appropriate. In all cases only th

    13、e 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 States17. Apparatus and Materials7.1 Automatic Extension and Compression Machine, with cold box c

    14、apable of maintaining 26maintaining 26 6 1C(1515 6 2F).2F.7.2 Circulating Hot-Air Oven.7.3 Portland Cement, high early strength conforming to Specification C150C150/C150M, Type III.7.4 Fine Aggregate, conforming to Specification C33C33/C33M.7.5 Aluminum Angles, 75 by 50 by 25 mm (33 by 2 by 1 in.),i

    15、n., if needed.7.6 Epoxy Cement, or gun-grade construction mastic, if needed.7.7 Masking Tape.7.8 Molds, six, 50 by 25 by 25 mm (22 by 1 by 1 in.)in. inside dimensions, or 75 by 88 by 25 mm (0.50.5 by 1.5 by 1 in.)in.notches in either side, as shown in Fig. 1, for casting mortar blocks.8. Preparation

    16、 of Substrates8.1 Prepare mortar blocks in sizes required for testing in accordance with the requirements in Guide C1375.FIG. 1 Test Assembly OptionsC1305/C1305M 1628.2 If required to fit the test assembly into the jaws of the testing machine, aluminum angles may be adhered to the sides ofthe substr

    17、ates after the membrane has been applied.38.3 Other substrates may be used and shall be prepared to provide a clean, level test surface. Prepare glass and aluminumsubstrates in accordance with the requirements in Guide C1375. Other preparation requirements shall be as agreed upon betweenthe supplier

    18、 and the specifier.9. Conditioning/Mixing9.1 Store all materials to be tested at standard conditions of 2362C (73.473.463.6F)3.6F and 5065 % relative humidityfor at least 24 h before any test specimens are prepared.9.2 Follow the manufacturers instructions for mixing and preparing membrane materials

    19、 for testing. Thoroughly stir onecomponent samples before using. Mix two component compounds in the ratio, and as recommended by the manufacturer.10. Procedure10.1 Five assemblies shall be tested.10.2 To prepare the test assembly, set two blocks as indicated in Fig. 1, with sides touching, in a sand

    20、 bed. Level the test surface(top) and bind the blocks together using masking tape. Spread the test compound to produce a uniform dry film thickness of 1.5060.10 mm (0.0600.06060.005 in.)in. over the top area bisected by the joint between the blocks. The membrane may be appliedin multiple coats, if r

    21、ecommended by the manufacturer.10.3 Cure the test assembly 14 days at room temperature followed by seven days in a circulating hot-air oven at 70 6 2C(158158 6 3.6F).3.6F. Allow the test specimen to cool to room temperature for at least 1 h. Cut a strip of membrane 6 mm(14 in.)in. away from the edge

    22、, across the joint on both sides. This will eliminate edge effects (see Fig. 1). If needed, aluminumangles may be adhered to the sides of the assembly after the room temperature curing period (see Fig. 1, Option A).10.4 Remove the tape from the blocks and place them in the testing machine, precondit

    23、ioned to 26C (15F)15F for atleast 24 h. Maintaining this temperature, subject the assembly to ten cycles of movement, each cycle consisting of pulling theblocks apart at the rate of 3.2 mm (18 in.)/hin./h until the space between them is 3.2 mm and then closing the space at the samerate.10.5 Upon com

    24、pletion of the ten cycles, extend the membrane to 3.2 mm while still in the machine and examine the membranefor cracking, splitting, pinholes, or any other condition in the area of the joint in the substrates.11. Report11.1 Report the following information:11.1.1 The number of specimens which show n

    25、o failure, as described in 10.5, in ten cycles, and11.1.2 All observable physical changes in the membrane.12. Precision and Bias12.1 The precision and bias calculations for this test method are based on the results of three laboratories testing three materials.12.2 Since this is a pass-fail test, th

    26、e interlaboratory testing was conducted only to ascertain agreement between laboratories.The test results showed 100 % agreement between the three laboratories, indicating that this test method is valid.13. Keywords13.1 crack bridging; membrane; waterproofingASTM International takes no position resp

    27、ecting the 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 s

    28、tandard is 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 Internat

    29、ional Headquarters. 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 belo

    30、w.This standard 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 (

    31、fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ A general purpose, gun-grade construction mastic or a structural epoxy cement has been found suitable for this purpose.C1305/C1305M 163


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