BS-7533-8-2003.pdf
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1、BRITISH STANDARD BS 7533-8:2003 Pavements constructed with clay, natural stone, or concrete pavers Part 8: Guide for the structural design of lightly trafficked pavements of precast concrete flags and natural stone flags ICS 93.080.20 ? Licensed Copy: London South Bank University, London South Bank
2、University, Fri Dec 08 14:54:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7533-8:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 19 March 2003 BSI 19 March 2003 The following BSI references relate to the work on this British Standard
3、: Committee reference B/507 Draft for comment 01/102974 DC ISBN 0 580 41295 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee B/507, Paving units and kerbs, upon which the following bodies were represented: Brick Developm
4、ent Association British Cement Association British Ceramic Research Ltd. British Precast Concrete Federation Ltd. Concrete Society County Surveyors Society Department of the Environment, Transport and the Regions (Highways Agency) Institution of Civil Engineers Interlay (Association of Block Paving)
5、 Interpave (Concrete Block Paving Association) Landscape Institute Society of Chemical Industry Stone Federation Transport Research Laboratory The following organizations were also represented in the drafting of the standard, through subcommittees B/507/1 and B/507/2: British Slate Association Briti
6、sh Civil Engineering Manufacturers Association Department of the Environment, Transport and the Regions (Building Research Establishment) Ministry of Defence Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08
7、 14:54:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7533-8:2003 BSI 19 March 2003 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3Terms and definitions1 4Materials2 5General design2 6Design2 Annex A (informative) Design example7 Annex B (normat
8、ive) Overlay pavements10 Figure 1 Graph: base design for paving flag overstressing4 Figure 2 Graph: base design for subgrade overstressing (400 mm?400 mm and 450 mm?450 mm paving units)5 Figure 3 Graph: base design for subgrade overstressing (300 mm?300 mm paving units)6 Figure A.1 Graph: base desig
9、n for paving flag overstressing Design example8 Figure A.2 Graph: base design for subgrade overstressing (400 mm?400 mm and 450 mm?450 mm paving units) Design example9 Table 1 Estimated equilibrium CBR values for design2 Table 2 Number of commercial vehicles3 Table 3 Standard axle conversion3 Table
10、B.1 Condition Factor CF110 Table B.2 Condition Factor CF210 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:54:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7533-8:2003 ii BSI 19 March 2003 Foreword This part of BS 7533 has been prepared by Technical Commi
11、ttee B/507. BS 7533 will be published in the following parts. Part 1: Guide for the structural design of heavy duty pavements constructed of clay pavers or precast concrete paving blocks. Part 2: Guide for the structural design of lightly trafficked pavements constructed of clay pavers or precast co
12、ncrete paving blocks. Part 3: Code of practice for laying precast concrete paving blocks and clay pavers for flexible pavements. Part 4: Code of practice for the construction of pavements of precast concrete flags or natural stone slabs. Part 51): Guide for the design of pavements (other than struct
13、ural aspects). Part 6: Code of practice for laying natural stone, precast concrete and clay kerb units. Part 71): Code of practice for the construction of pavements of natural stone setts. Part 8: Guide for the structural design of lightly trafficked pavements of precast concrete flags and natural s
14、tone slabs. Part 91): Code of practice for laying clay pavers. NOTEThis part of BS 7533 is based largely on research work commissioned by Interpave, the precast concrete paving and kerb association. This publication does not purport to include all the necessary provisions of a contract. Users are re
15、sponsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. 1)In preparation. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 10, an inside back cover and a back cover.
16、The BSI copyright notice displayed in this document indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:54:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7533-8:2003 BSI 19 March 2003 1 1 Scope This British Standard
17、gives guidance on the design of flexible pavements surfaced with precast concrete flags or natural stone slabs and laid on a 30 mm sand laying course with sand filled narrow joints, in accordance with BS 7533-4. It applies to pavements subject to occasional overrun by no more than 15 commercial vehi
18、cles per day at speeds not exceeding 50 kph (30 mph). The fundamental objective is the assessment of the thickness of base material to be used beneath precast concrete flags and natural stone slabs to ensure that the allowable stresses in the paving units and the subgrade are not exceeded. 2 Normati
19、ve references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. BS 6100-2.4.1:1992, Glossary of bui
20、lding and civil engineering terms Part 2: Civil engineering Section 4.1: Highway, railway and airport engineering Highway engineering. BS 7263-1:2001, Precast concrete flags, kerbs, channels, edgings and quadrants Part 1: Precast, unreinforced concrete paving flags and complementary fittings Require
21、ments and test methods. BS 7533-1, Pavements constructed with clay, natural stone or concrete pavers Part 1: Guide for the structural design of heavy duty pavements constructed of clay pavers or precast concrete paving blocks. BS 7533-4:1998, Pavements constructed with clay, natural stone or concret
22、e pavers Code of practice for the construction of pavements of precast concrete flags or natural stone slabs. BS EN 1341:2000, Slabs of natural stone for external paving Requirements and test methods. Department of Transport, Specification for Highway Works, 1986 edition. Department for Transport, L
23、ocal Government and the Regions, London: The Stationery Office. 3 Terms and definitions For the purposes of this part of BS 7533 the terms and definitions given in BS 6100-2.4.1:1992 and the following apply. 3.1 paving unit precast concrete flag of designation E, F or G, conforming to BS 7263-1:2001
24、 (excluding 50 mm thick), with a class B2 bending stress; or a natural stone flag of square plan, not exceeding 450 mm?450 mm, conforming to BS EN 1341:2000 with a class 5 breaking load 3.2 laying course layer of material on which paving units are bedded 3.3 subgrade upper part of the soil, natural
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