BS ISO 13765-3-2006 Refractory mortars - Determination of joint stability《耐熔灰浆 测定连接稳定性》.pdf

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1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58ICS 81.080Refractory mortars Part 3: Determination of joint stabilityBRITISH STANDARDBS ISO 13765-3

2、:2004BS ISO 13765-3:2004This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2006 BSI 31 January 2006ISBN 0 580 47702 9Cross-referencesThe British Standards which implement international publications referred to in this document may be

3、found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are re

4、sponsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 3 and a back cover.The BSI

5、copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsA list of organizations represented on this committee can be obtained on request to its secretary. present to the responsible international/European commit

6、tee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.National forewordThis British Standard reproduces verbatim ISO 13765-3:2004 and implements it as the UK national sta

7、ndard. Together with BS ISO 13765-1, BS ISO 13765-2, BS ISO 13765-4, BS ISO 13765-5 and BS ISO 13765-6, it supersedes BS 1902-11:1991 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee RPI/13, Refractories, which has the responsibility to: aid enquirers t

8、o understand the text;INTERNATIONALSTANDARDISO13765-3First edition2004-06-01Reference numberISO 13765-3:2004(E) ISO 2004Refractory mortars Part 3:Determination of joint stabilityMortiers rfractaires Partie 3: Dtermination de la stabilit des jointsBS ISO 13765-3:2004iiiiiForewordISO (the Internationa

9、l Organization for Standardization) is a worldwide federation of national standards bodies(ISO member bodies). The work of preparing International Standards is normally carried out through ISOtechnical committees. Each member body interested in a subject for which a technical committee has beenestab

10、lished has the right to be represented on that committee. International organizations, governmental andnon-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the InternationalElectrotechnical Commission (IEC) on all matters of electrotechnical standardizatio

11、n.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standardsadopted by the technical committees are circulated to the member bodies for voting. Pub

12、lication as anInternational Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patentrights. ISO shall not be held responsible for identifying any or all such patent ri

13、ghts.ISO 13765-3 was prepared by Technical Committee ISO/TC 33, Refractories.ISO 13765 consists of the following parts, under the general title Refractory mortars: Part 1: Determination of consistency using the penetrating cone method Part 2: Determination of consistency using the reciprocating flow

14、 table method Part 3: Determination of joint stability Part 4: Determination of flexural bonding strength Part 5: Determination of grain size distribution (sieve analysis) Part 6: Determination of moisture content of ready-mixed mortarsBS ISO 13765-3:2004blank1Refractory mortars Part 3:Determination

15、 of joint stability1ScopeThis part of ISO 13765 describes a method of determination of joint stability of refractory mortars.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undat

16、ed references, the latest edition of the referenced document(including any amendments) applies.ISO 8656-1, Refractory products Sampling of raw materials and unshaped products Part 1: SamplingschemeISO 13765-1, Refractory mortars Part 1: Determination of consistency using the penetrating cone methodI

17、SO 13765-2, Refractory mortars Part 2: Determination of consistency using the reciprocating flow tablemethod3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1 joint stabilitystability of the mortar joint between bricks when moving by hand one bric

18、k jointed to another without breakingthe jointNOTE The time over which this operation is possible before the mortar becomes dry due to loss of specified mixing liquidis used as the time of joint stability.4 PrincipleTrials are carried out laying refractory bricks with a mortar to determine the time

19、of joint stability of the refractorymortar.5 Apparatus5.1 Mixer, as specified in ISO 13765-1 or ISO 13765-2.5.2 Electrical drying oven, fitted with a temperature controller and capable of operating at .5.3 Consistency determining device, as specified in ISO 13765-1 or ISO 13765-2.5.4 Balance, with a

20、 weighing capacity of and capable of weighing to the nearest .110C 5C10 kg 1 gBS ISO 13765-3:200425.5 Stopwatch.5.6 Spacing rods, made of clean metal (e.g. stainless steel) and with a diameter of .5.7 Measuring cylinder.6 SamplingFor dry mortar, sample the mortar in accordance with ISO 8656-1 or as

21、agreed between parties. Reduce thesample to by quartering or with a riffle sampler.Sample ready-mixed mortars by emptying the entire contents of the container in which the mortar is suppliedinto another container of larger capacity and mixing thoroughly. It is important that any supernatant liquid n

22、ot bediscarded. Ensure that a representative sample of the wet mixture is obtained.7 Procedure7.1 Place four standard bricks, , with smooth surfaces and clean edges (removeany dust with a hard brush) in the drying oven and dry for at least , then cool to room temperature naturally.The bricks used in

23、 the test shall be compatible with the mortar to be tested.7.2 For dry mortars, place the mortar in the mixer and add water (or a specified mixing liquid) to the sampleand mix thoroughly to attain the desired consistency. Allow the mixed mortar to stand for or inaccordance with the manufacturers ins

24、tructions. Ready-mixed mortars shall be tested in the “as-received”state. Note the consistency in accordance with ISO 13765-1 or ISO 13765-2.7.3 Apply the well-mixed mortar to the face of the dried refractory brick. The longitudinalfaces of each brick shall be parallel to each other within a toleran

25、ce of and the sides of a cross-sectionof the brick shall be parallel to each other within a tolerance of . Position two spacing rods in the mortarlayer parallel to and from the 114-mm edges. Place another brick on top as shown in Figure 1.Dimensions in millimetresKey1metal rod2mortar3brickFigure 1 P

26、lacement of bricks3mm 0,1 mm5kg230 mm 114 mm 76 mm24 h30 min230 mm 114 mm1mm0,5 mm30 mmBS ISO 13765-3:200437.4 Press lightly on the top brick while moving it in a to-and-fro motion along the 230-mm direction until a jointof is achieved.7.5 Withdraw the spacing rods, avoiding disruption of the joint

27、and remove the excess mortar from the edgesof the joint. Start the stopwatch and move the top brick back and forth in the 230-mm direction without breakingthe joint. When the brick can no longer be moved in this way, stop the stopwatch and record the time elapsed inseconds.7.6 Repeat the operation f

28、rom 7.3 to 7.5 for the second pair of bricks.8 Expression of resultsReport the joint stability of the mortar as the mean of the two measurements, in seconds.9 Test reportThe report shall include the following information:a) all information necessary for identification of the material tested, includi

29、ng a description of the material,manufacturer, type, brand, batch number, etc.;b) a reference to this part of ISO 13765 (ISO 13765-3);c) the name of the testing establishment;d) the type, brand and manufacturer of the refractory bricks used in the test;e) in the case of a dry mortar, the percentage

30、of water (or specified liquid) added;f) the results of the test, i.e. the joint stability time in seconds, including the results of the individualdeterminations and their mean, calculated as specified in Clause 8;g) the consistency of the mortar tested and the method used to determine the consistenc

31、y, i.e. ISO 13765-1 orISO 13765-2;h) the ambient temperature at which the test was conducted;i) any deviations from the procedure specified;j) any unusual features (anomalies) observed during the test;k) the date of the test.3mmBS ISO 13765-3:2004BS ISO BSI389 Chiswick High RoadLondonW4 4AL13765-3:2

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