BS_EN_14498-2004_混凝土结构的保护和维修用产品和设备．试验方法．空气干燥和蓄水循环后注入产品的体积和重量变化.pdf

BRITISH STANDARD Products and systems for the protection and repair of concrete structures - Test s - Volume and weight changes of injection products after air drying and water storage cycles The European Standard EN 144982004 has the status of a British Standard NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Copyright Brilsh Standards lnstilulion Provided by IHS under license wlh BSI - Unconlrolled Copy Licenseeshenzhen academy of std uthoi.ity Copyright Brilish Standards lnstituton Provided by IHS under license with BSI - Unconlrolled Copy No reproduction or networking permitted wthout license from IHS Licenseeshenzhen academy of std 8 codng -C WIINTPROS3071 Not for Resale, 0310112007 17 36 41 MST Comments of the Standards Polcy and - .- Strategy ommittec Amtl. No. on 30 November 2OOi Date 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2004 ICS 91.080.40 English version Products and systems for the protection and repair of concrete structures - Test s - Volume and weight changes of injection products after air drying and water storage cycles Produits et systemes de protection et de reparation des structures en beton - es dessai - Variations de volume et de poids a Iissue de cycles de sechage a Iair et de conditionnement dans Ieau Produkte und Systerne fur den Schutz und die lnstandsetzung von Betontragwerken - Prufverfahren - Anderungen von Volumen und Gewicht nach Wechsel- Beanspruchung durch Trocknung an der Luft und Lagerung in Wasser This European Standard was approved by CEN on 16 April 2004 CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions English, French, German. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDlZA l ION C O M I T E E U R O P E E N D E N O R M A L l S A l I O N E U R O P A I S C H F . S K O M I T E E F U R N O R M U N G Management Centre rue de Stassart, 36 B-1050 Brussels O 2004 CEN All rights of exploitation in any and by any means reserved worldwide for CEN national Members. Ref. No. EN 144982004 E Copyrght Brlsh Standards lnsttuton Provided by IHS under lcense with BSI - Uncontrolled Copy No reproduclon or nelworkng permlled without lcense from IHS Licenseeshenzhen academy of std 8 codng -C WIINTPROS3071 Not for Resale. 03/01/2007 17 36 41 MST w w w . b z f x w . c o m EN 144982004 E Contents page ...................................................................................................................................................... 1 Scope 4 2 Normative references ............................................................................................................................ 4 3 Terms and definitions ........................................................................................................................... 4 .......................................................................................................................................... 4 Test principle 4 ............................................................................................................................................... 5 Apparatus 4 6 Sampling and preparation .................................................................................................................... 5 ............................................................................................................................................... 7 Procedure 5 8 Expression of results ............................................................................................................................ 7 .............................................................................................................................................. 9 Test report 7 Copyrighl Britsh Slandards lnslilulion Provided by IHS under license wlh BSI . Unconlrolled Copy No reproduclion or net*., kng perriiilled wlhoul license from IHS Licenseeshenzhen academy of std - by measuring the apparent weight in water at 21 k 2 O C of the specimen and the suspension wire “s wi ; - by measuring the apparent weight in water at 21 k 2 O C of the suspension wire immersed at the same length IliWli. The volume in cm3 is given by where 0,998 is the specific gravity of water at 21 k 2 “C, in g Copyrght Brlsh Standards lnstlulon Provlded by IHS under lhcense wilh BSI - Uncontrolled Copy No reproduclton or networkng permitled wlhoul lcense from IHS Lcenseeshenzhen academy of std - 6 days storage fully immersed in potable water at a temperature of 21 2 “C. - The volume and weight shall be measured at the end of every cycle after the 6 days immersion. - After the wetting and drying cycles the specimens shall be immersed in potable water at a temperature of 21 2 “C until constant weight is reached, as defined in 7.3.2. - At the end of the immersion period, the volume and weight shall be measured. 7.3.4 Storage conditions During immersion, the specimens shall be stored on the grid, so as not to restrict volume changes of the specimens under the test conditions. During air and water storage, a spacing of at least 100 mm shall be maintained between specimens to ensure uni moisture or water exchange around the specimens. In addition, during water storage, the spacing between the specimens and the upper water level and between the specimens and the sides of the water bath shall be at least 100 mm. Copyryhl Britsh Slandards lnsllulon Provded by IHS under lcense wth BSI - Unconlrolled Copy No reproduclon or nelworkng permlled wlhoul lcense from IHS Lcenseeshenzhen academy of std 8 codng -C WIlNTPROS3071 Not for Resale. 0310112007 17 36 41 MST 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m EN 144982004 E 8 Expression of results The change in volume, expressed in , rounded to the first decimal, is determined at each time, according to the following equation vt - y AV, - x loo Y where Vi is the initial volume ; Vt is the volume at time t. The change in weight, expressed in , rounded to the first decimal, is determined at each time, according to the following equation where It; is the initial weight; lli is the final weight at time t. Upon completion of the conditioning, the test specimens shall be inspected visually for evidence of cracking or other phenomena. 9 Test report The test report shall contain the following ination a a reference to this document; b name and address of the test laboratory; c identification number of the test report; d name and address of the manufacturer or supplier of the product; e name and identification marks or batch number of the product; f date of supply of the product; g date of preparation of the test specimens and any deviation from the prescribed of preparation; procedure of preparation of the test specimens ratios of the several components, mixing equipment, ... and thickness of the specimens; h conditions of storage of prepared specimens prior to test; i date of test and details of the test equipment used, including the make, type and capacity and the calibration details or the identification number of the apparatus; Copyrght Brlsh Standards Instilullon Provded by IHS under lhcerlse wlh BSI - Unconlrnlld Copy No reproducton or networkng permtled wilhnul tcense from IHS Lcenseeshenzhen academy of std k accuracy data; I date of test report and signature. Copyrighl Brtsh Slandards lnslituton Provded by IHS under llcense wllh BSI - Uncontrolled Copy No reproduclon or nelworkng permlted wthout lcense from IHS Llcenseeshenrhen academy of std codng -C WIINTPROS3071 No1 for Resale, 03/01/2007 17 36 41 MST 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m Copyrght Brtlsh Standards lnsltuton Provided by IHS undrr lirense wlh BSI - Unrontrolled Copy No reproduclon or networkrig perrnltted wthoul l e n s e froni IHS Lcenseeshenzhen academy of std codng -C WIINTPROS3071 Not for Resale. 03/01/2007 17 36 41 MST w w w . b z f x w . c o m BSI 389 Chiswick High Road London W4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. 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Copyright Brilish Standards Inslituliori I Provided by ItiS under license with BSI - Uncontrolled Copy No reproduction or networking permitled without license from IHS Lcenseeshenzhen academy of sld codng -C WIINTPROS3071 Not for Resale. 0310112007 17 36 41 MST 标准分享网 w w w .b z f x w .c o m 免费下载