EN 15301-2-2007 en Surfaces for sports areas - Part 2 Determination of shear strength by dynamic top layer testing of unbound mineral surfaces in the laboratory《运动场地面 第2部分 实验室用未连接矿.pdf
《EN 15301-2-2007 en Surfaces for sports areas - Part 2 Determination of shear strength by dynamic top layer testing of unbound mineral surfaces in the laboratory《运动场地面 第2部分 实验室用未连接矿.pdf》由会员分享,可在线阅读,更多相关《EN 15301-2-2007 en Surfaces for sports areas - Part 2 Determination of shear strength by dynamic top layer testing of unbound mineral surfaces in the laboratory《运动场地面 第2部分 实验室用未连接矿.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARDBS EN 15301-2:2007Surfaces for sports areas Part 2: Determination of shear strength by dynamic top layer testing of unbound mineral surfaces in the laboratoryThe European Standard EN 15301-2:2007 has the status of a British StandardICS 97.220.10g49g50g3g38g50g51g60g44g49g42g3g58g44g5
2、5g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 15301-2:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2007 B
3、SI 2007ISBN 978 0 580 50631 4National forewordThis British Standard was published by BSI. It is the UK implementation of EN 15301-2:2007. The UK participation in its preparation was entrusted to Technical Committee PRI/57, Surfaces for sports areas.A list of organizations represented on this committ
4、ee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicati
5、onAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15301-2April 2007ICS 97.220.10English VersionSurfaces for sports areas - Part 2: Determination of shearstrength by dynamic top layer testing of unbound mineralsurfaces in the laboratorySols sportifs - Partie 2: Dtermination pa
6、r essai dynamiqueen laboratoire de la rsistance au cisaillement de la couchesuprieure des sols minraux non lisSportbden - Teil 2: Bestimmung der Scherfestigkeit durchPrfung der dynamischen Decklage von ungebundenenmineralischen Belgen im LaboratoriumThis European Standard was approved by CEN on 24 F
7、ebruary 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be ob
8、tained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Manage
9、ment Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
10、 Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by
11、 any means reservedworldwide for CEN national Members.Ref. No. EN 15301-2:2007: EEN 15301-2:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Apparatus .4 3 Preparing the test specimen.9 4 Producing the test specimen9 5 Procedure .9 6 Results 10 7 Test report 11 EN 15301-2:2007 (E) 3 Foreword This docu
12、ment (EN 15301-2:2007) has been prepared by Technical Committee CEN/TC 217 “Surfaces for sports areas”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Oct
13、ober 2007, and conflicting national standards shall be withdrawn at the latest by October 2007. EN 15301 Surfaces for sports areas consist of the following parts: Part 1: Determination of rotational resistance Part 2: Determination of shear strength by dynamic top layer testing of unbound mineral su
14、rfaces in the laboratory According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
15、Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 15301-2:2007 (E) 4 1 Scope This part of EN 15301 specifies a method for determining the shear strength by dynamic top l
16、ayer testing of unbound mineral surfaces in the laboratory. 2 Apparatus The apparatus shall comprise the following components: a) (250 5) mm diameter mould with removable base; b) steel plate used to distribute the compaction force (Figure 1); c) compaction hammer with drop weight (Figure 1); mass o
17、f weight: (15,17 0,25) kg; drop height: (620 5) mm; d) shearing disc (Figures 2, 3 and 4); e) two shearing disc alignment gauges (Figures 2 and 3): centring gauge; vertical alignment gauge; f) cardan shaft transmitting the force produced onto the disc (Figure 4); g) device used to attach the measuri
18、ng instrument to be installed on the test mould, with a vertical pin for the transmission of shear force by free rotation (Figure 4); h) instrument for the dynamometric measurement of shear force by rotation (Figure 4); i) scales weighing up to 10 kg, to an accuracy of within 1 g. EN 15301-2:2007 (E
19、) 5 Key 1 drop weight 2 mass guide pin 3 steel plate 4 mould with removable baseplate 5 material Figure 1 Compaction of the sample in the test mould EN 15301-2:2007 (E) 6 a) Shearing disc centring gauge b) Vertical alignment gauge Key 1 metal rod 2 shearing disc 3 positioning tube NOTE The vertical
20、alignment gauge tubes fit over the metal rods on the centring gauge. Figure 2 Centring and alignment gauges EN 15301-2:2007 (E) 7 Key 1 vertical alignment gauge 2 shearing disc 3 compacted material 4 centring gauge 5 mould Figure 3 Shearing disc centring and adjustment EN 15301-2:2007 (E) 8 Key 1 sh
21、ear force measuring instrument 2 rotation transmission rod 3 transmission cardan shaft 4 compacted material 5 mould with removable baseplate 6 shearing disc Figure 4 Shearing EN 15301-2:2007 (E) 9 3 Preparing the test specimen Measure the water content of the material. Take a sample weighing (4 000
22、10) g in dry mass. Moisten the sample to obtain 0,7 of the water content at the optimum Proctor test, WOPN, then homogenize the mixture with a previously moistened stirrer. Leave the material in a watertight container for 16 h. After 16 h, check the water content and adjust, if required. Compact the
23、 sample, replacing the porous stone with the metal plate during compaction. NOTE The purpose of the compaction process is to obtain a dry density of 95 % of the optimum density according to the normal Proctor test (the OPN density) on a thickness of 40 mm. Composition of the test specimen shall be a
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