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1、BRITISH STANDARD BS EN 13763-16:2003 Explosives for civil uses Detonators and relays Part 16: Determination of delay accuracy The European Standard EN 13763-16:2003 has the status of a British Standard ICS 71.100.30 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Un
2、controlled Copy, (c) BSI BS EN 13763-16:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 12 January 2004 BSI 12 January 2004 ISBN 0 580 43222 X National foreword This British Standard is the official English language version of EN 13763-1
3、6:2003. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil uses, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which imp
4、lement international or European publications referred to in this document may be 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 d
5、oes not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/Europ
6、ean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pag
7、es 2 to 19 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN
8、STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13763-16 December 2003 ICS 71.100.30 English version Explosives for civil uses - Detonators and relays - Part 16: Determination of delay accuracy Explosifs usage civil - Dtonateurs et relais - Partie 16: Dtermination de la prcision du retard Explosivstoffe
9、 fr zivile Zwecke - Znder und Verzgerungselemente - Teil 16: Bestimmung der Verzgerungsgenauigkeit This European Standard was approved by CEN on 10 November 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standar
10、d 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, Germ
11、an). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finl
12、and, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de St
13、assart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13763-16:2003 E Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2003 (E) 2 Conten
14、ts page Foreword3 Introduction.5 1Scope 6 2Normative references 6 3Terms and definitions6 4Test pieces6 5Apparatus .6 6Procedure .7 7Expression of results 7 8Test report 7 Annex A (informative) Range of applicability of the test method.9 Annex B (normative) Calculation of results .10 Annex C (inform
15、ative) Guidance for theoretical verification 14 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives19 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:200
16、3 (E) 3 Foreword This document (EN 13763-16:2003) has been prepared by Technical Committee CEN/TC 321 “Explosives for civil uses“, the secretariat of which is held by AENOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endo
17、rsement, at the latest by June 2004, and conflicting national standards shall be withdrawn at the latest by June 2004. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(
18、s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document. Annexes A and C are informative. Annex B is normative. This European Standard is one of a series of standards with the generic title Explosives for civil uses Detonators and relays. The o
19、ther parts of this series are listed below: prEN 13763-1Part 1: Requirements EN 13763-2Part 2: Determination of thermal stability EN 13763-3Part 3: Determination of sensitiveness to impact EN 13763-4Part 4: Determination of resistance to abrasion of leading wires and shock tubes EN 13763-5Part 5: De
20、termination of resistance to cutting damage of leading wires and shock tubes EN 13763-6Part 6: Determination of resistance to cracking in low temperatures of leading wires EN 13763-7Part 7: Determination of the mechanical strength of leading wires, shock tubes, connections, crimps and closures EN 13
21、763-8Part 8: Determination of the resistance to vibration of plain detonators EN 13763-9Part 9: Determination of resistance to bending of detonators EN 13763-11Part 11: Determination of resistance to damage by dropping of detonators and relays EN 13763-12Part 12: Determination of resistance to hydro
22、static pressure prEN 13763-13Part 13: Determination of resistance of electric detonators against electrostatic discharge prEN 13763-15Part 15: Determination of equivalent initiating capability EN 13763-17Part 17: Determination of no-fire current of electric detonators EN 13763-18Part 18: Determinati
23、on of series firing current of electric detonators EN 13763-19Part 19: Determination of firing impulse of electric detonators EN 13763-20Part 20: Determination of total electrical resistance of electric detonators EN 13763-21Part 21: Determination of flash-over voltage of electric detonators License
24、d Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2003 (E) 4 EN 13763-22Part 22: Determination of capacitance, insulation resistance and insulation breakdown of leading wires EN 13763-23Part 23: Determination of the shock-wave velocity of
25、 shock tube EN 13763-24Part 24: Determination of the electrical non-conductivity of shock tube prEN 13763-25Part 25: Determination of transfer capability of surface connectors, relays and coupling accessories prEN 13763-26Part 26: Definitions, methods and requirements for devices and accessories for
26、 reliable and safe function of detonators and relays CEN/TS 13763-27Part 27: Definitions, methods and requirements for electronic initiation systems According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European
27、 Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT
28、+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2003 (E) 5 Introduction During blasting work, detonators and surface connectors with different delay times are used to ensure that the sequence of initiation of the explosive charges is executed in a controlled way. This test checks that the time i
29、nterval between adjacent numbers in a manufacturers series of delay type detonators and surface connectors lies within specified limits designed to reduce the risk of overlapping. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2
30、003 (E) 6 1 Scope This European Standard specifies a method for determining the delay time accuracy of detonators and surface connectors with pyrotechnic delay elements. It does not apply to those with an electronic time delay. 2 Normative references This European Standard incorporates by dated or u
31、ndated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only w
32、hen incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 13857-1, Explosives for civil uses Part 1: Terminology. EN ISO/IEC 17025, General requirements for the competence of testing and calibration la
33、boratories (ISO/IEC 17025:1999). 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 13857-1 and the following apply. 3.1 overlapping detonation out of intended sequence 3.2 outlier value in a series of measured values significantly outside the n
34、ormal distribution of the series and causing significant overlapping probability to adjacent interval numbers 4 Test pieces Select 30 detonators or surface connectors of each interval number (i.e. nominal delay time stated by the manufacturer) from a specific type, having the same chemical compositi
35、on, charge, dimensions and material of construction. For non-electric types, the length of shock tube attached to the detonator/surface connector during the test shall be specified by the manufacturer. The detonators to be tested shall have an age of between two weeks and four months after the date
36、of production. 5 Apparatus 5.1 for electric detonators, a power source able to produce a continuous current (i) in accordance with the manufacturers specification and within is i 2is (is is the series firing current for the type of detonator in question) with an accuracy of 1,0 %. 5.2 for non-electr
37、ic detonators/surface connectors, an initiating device for initiating shock tubes (percussion cap, spark or initiating detonator providing that the shock tube and measuring equipment are protected against fragments from the detonator). 5.3 timer or oscilloscope to measure the delay time between the
38、start pulse and the stop pulse with an accuracy of 0,1 ms. 5.4 means for providing a start pulse to the timer/oscilloscope consisting for example of: Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2003 (E) 7 a) for electric deto
39、nators, an electric triggering circuit capable of providing an electric pulse at the time when the ignition current is applied; or b) for non-electric detonators/surface connectors, an optical sensor or pressure sensor capable of providing an electric pulse when the shock-wave of the shock tube pass
40、es the sensor. 5.5 means for providing a stop pulse to the timer/oscilloscope consisting for example of an optical sensor or pressure sensor capable of providing an electric pulse when the base charge (secondary charge) of the detonator/surface connector is initiated. 5.6 conditioning chamber, capab
41、le of maintaining a temperature in the range 15 C to 30 C within 2 C. 6 Procedure 6.1 Conditioning Condition the detonators or surface connectors in the conditioning chamber (see 5.6) for at least 2 h prior to testing, within 2 C of a temperature specified by the manufacturer in the range 15 C to 30
42、 C. In the case of magnetically coupled detonators, the transformer coupling unit shall be removed before testing. 6.2 Determination The test shall be carried out within 2 C of the conditioning temperature. Connect the detonators or surface connectors to the apparatus (see 5.4). For non-electric det
43、onators or surface connectors, install the optical start pulse sensor at the shock tube, at a distance specified by the manufacturer, but at least 1 000 mm from the initiation point at the end of the shock tube (if necessary after removing the end sealing). Insert the detonators or surface connector
44、s in the apparatus (see 5.5) so as to obtain a stop pulse from the optical sensor or pressure sensor when the base charge (secondary charge) of the detonator or surface connector is initiated. Initiate the detonators or surface connectors and record the individual delay times and the number of misfi
45、res. 7 Expression of results Calculate the results of the tests according to B.1 to B.5. NOTEB.6 can optionally be used to present the results in B.1 and B.4 graphically. 8 Test report The test report shall conform to EN ISO/IEC 17025. In addition, the following information shall be given: a) mean v
46、alue of the delay times k t(in ms) and the standard deviation k s for each interval number (according to B.1); b) number of misfires; c) number of ”outlier” values for each interval number (according to B.3); d) except for surface connectors, the c-factor (ck) of each interval number (according to B
47、.4); e) for surface connectors and non-electric detonators intended to be combined with surface connectors, the mean deviation from nominal delay time (rk) of each interval number (according to B.5); Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (
48、c) BSI EN 13763-16:2003 (E) 8 f) for surface connectors and non-electric detonators intended to be combined with surface connectors, the maximum deviation from the nominal delay time rk, max for each interval number k, specified by the manufacturer (indicated in the manufacturers user manual); g) no
49、minal delay time knom t , for each interval number k, specified by the manufacturer (indicated in the manufacturers user manual); h) applied conditioning temperature during the tests. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 02:20:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13763-16:2003 (E) 9 Annex A (informative) Range of applicability of the test method Range of applicability of the test method: - 30 C to + 80 C (see NOTE) NOTEDue to t