ASTM E1993-1998(2002)e1 Standard Specification for Bituminous Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs《与混凝土板下土壤或粒状填料接触用沥青水蒸汽阻滞剂的标准规范》.pdf
《ASTM E1993-1998(2002)e1 Standard Specification for Bituminous Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs《与混凝土板下土壤或粒状填料接触用沥青水蒸汽阻滞剂的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM E1993-1998(2002)e1 Standard Specification for Bituminous Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs《与混凝土板下土壤或粒状填料接触用沥青水蒸汽阻滞剂的标准规范》.pdf(2页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E 1993 98 (Reapproved 2002)e1Standard Specification forBituminous Water Vapor Retarders Used in Contact withSoil or Granular Fill Under Concrete Slabs1This standard is issued under the fixed designation E 1993; the number immediately following the designation indicates the year oforigin
2、al adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.e1NOTECorrection made to the terminology text in September 2005.1. Scope1.1
3、This specification covers bituminous water vapor retard-ers for use in contact or granular fill under concrete slabs.1.2 The specified tests are conducted on new materials andmaterials that have been conditioned or exposed to simulatepotential service conditions.2. Referenced Documents2.1 ASTM Stand
4、ards:2C 168 Terminology Relating to Thermal Insulating Materi-alsD 828 Test Method for Tensile Breaking Strength of Paperand PaperboardD 1790 Test Methods for Brittleness Temperature of PlasticSheeting by ImpactD 1985 Practice for Preparing Concrete Blocks for TestingSealants for Joints and Crack Fi
5、llersD 5147 Test Methods for Sampling and Testing ModifiedBituminous Sheet MaterialE 96 Test Methods for Water Vapor Transmission of Mate-rialsE 154 Test Methods for Water Vapor Retarders Used inContact with Earth Under Concrete Slabs or Walls or asGround CoverE 631 Terminology for Building Construc
6、tions3. Terminology3.1 Definitions:3.1.1 For definitions of terms used in this specification, seeTerminologies C 168 and E 631.3.2 Definitions of Terms Specific to This Standard:3.2.1 perm, nthe time rate of water vapor migrationthrough a material or a construction of one grain per hour,square foot,
7、 inch of mercury pressure difference.3.2.1.1 DiscussionIf a specification states that a one permlimit is required, the same flow rate will be obtained from thefollowing relationships3:1 perm = 1 grain/(h ft2 in Hg) inch pound= 57.2 1012kg/(Pasm2) SI Fundamental Units= 57.2 ng/(Pasm2) SI Frequently U
8、sed= 0.66 g/24h m2 mm Hg SI has been used but is now obsolete3.2.2 vapor retarder, n(formally vapor barrier) a materialor construction that impedes the transmission of water vaporunder specified conditions.3.2.3 water vapor permeability, na property of materialwhich is water vapor permeance through
9、unit thickness. Sincematerials that provide resistance to vapor flow are never usedin unit thickness, the evaluation of both materials and construc-tions used herein is permeance.4. Sampling4.1 Each sampling shall consist of sufficient material toprovide at least five specimens for the tests listed
10、in Section 7.5. Specifying Information5.1 Specification for materials shall include the following:5.1.1 This specification number, and5.1.2 Performance requirements, if any, for special condi-tions (see 7.6).6. Lap Sealing6.1 This producer shall provide supplier/seller/installer withinstructions for
11、 lap sealing, including minimum width of lap,method of sealing, and shall either supply or recommendspecified suitable products for lap sealing.1This specification is under the jurisdiction of ASTM Committee E06 onPerformance of Building Constructions and are the direct responsibility of Subcom-mitt
12、ee E06.21 on Serviceability.Current edition approved Nov. 10, 1998. Published March 1999.2For 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 Summ
13、ary page onthe ASTM website.3See 3.2.3 of Test Method E 154. This conversion is based on a temperature of0C (32F) and not on an environmental temperature of 23C (73.4F).1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7. Properties7.1
14、 The bituminous membrane water vapor retarder shallconsist of asphaltic materials reinforced with multiple plies ofsuitable fabric. The bituminous vapor retarder shall meet therequirements listed in Table 1 as well as those outlined below.7.2 PermeanceMaterial, including lap seals, shall con-form to
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