1、CEN ENx1128 75 3YOY589 0323396 007 BRITISH STANDARD - Cement-bonded particleboards - Determination of hard body impact resistance The European Standard EN 1128 : 1995 has the status of a British Standard ICs 79.060.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 1128
2、 1996 _ CEN EN81128 75 3404587 0323377 T43 E BS EN 1128 : 1996 Committees responsible for this British Standard The prepasation of this British Standard was entrusted to Technical Committee B/541, Wood-based panels, upon which the following bodies were represented ARA (Engineered Wood Association)
3、Association of British Plywood and Veneer Manufacturers British Woodworking Federation Charmed Institute of Building Co-ordinator for Timber and Timber Products Council of the Forest Industries of British Columbia Department of the Environment (Building Research Establishment) Finnish Plywood Intern
4、ational Flat Room Contractors Advisory Board Forestry Commission Furniture Industry Research Association Institution of Structural Engineers Local Authority Organhtions Mineral Bonded Board Products Federation National Federation of Roofing Contractors National Housebuilding Councii National Panel P
5、roducts Association Royal Institute of British Architects Structural Board Association Timber Research and Development Association Timber hade Federation Wood Panel Products Federation Zurich Municipal Building Guarantee This British Standard, having been prepare under the direction of the Sector Bo
6、ard for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 May 1996 O BSI 1996 Amendments issued since publication I Amd. No. I -Xt affected The following BSI references relate to the work on this standard: Committee reference BI541 D
7、raft for comment 9W106771 DC ISBN O 680 25342 2 Contents Committees responsible National foreword page Inside hnt cover ii Foreword Text of EN 1128 2 3 O BSI 1996 i _ CEN EN*1128 75 3YOY5W7 Rn123197 8Lb BS EN 1128 : 1996 National foreword This British Standard has been prepared by Technical Committe
8、e W541 and is the English language version of EN 1128 : 1995 Cement-bonde is the nominal thickness of the test piece (in milhetres). The result for each test piece, as well as the mean for the 20 test pieces, shall be expressed to two significant figures. O BSI 1996 CEN EN*3328 95 348458% 9323203 07
9、7 Page 4 EN 1128: 1995 8 “bt report This shaU be as described in EN 326-1, including the type of failure. Figure 1. Example of impact test apparatus O BSI 1996 Page 5 EN 1128: 1995 1 falling body 4 test piece 2 collar 5 base plate 3 supporting frame Dimensions in miliiimetres Figure 2. Example of st
10、eel frame (cross-section) with clamped test piece 6 pressure release holes O BSI 1996 Page 6 EN 1128: 1996 CEN EN*11EZ8 95 U 341345617 01232135 94T A + -1 -75 -75 k o 29025 I a) ciamping points Dimensions in miiiimetres Figure 3. Example of steel collar showing approximate positions of clamping poin
11、ts 1=310+5 Dimensions in miiiimetres Figure 4. Point of impact for testing jointed test pieces O BSI 1996 Page 7 EN 1128: 1995 Annex A (informative) Bibliography EN 325 EN 633 Cernent-bonded particleboards - EN 634-2l) Cernent-bonded particleboards - Wood-based panels - Determination of dimensions o
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16、ronic, photocopying, recording or otherwise - without prior written pennission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose
17、than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royaity payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager, BSI, 389 Chiswick High Road, London W4 4AL ISBN O 680 25342 2 BI54 1
