BS 2573-1-1983 起重机设计规程.第1部分结构分类、应力计算和设计准则规范.pdf
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1、- - - - - - - - - - - - - - - - - - BRITISH STANDARD BS 2573-1: 1983 Rules for the design of cranes Part 1: Specification for classification, stress calculations and design criteria for structures UDC 621.873:624.04 BS 2573-1:1983 This British Standard, having been prepared under the direction of th
2、e Mechanical Engineering Standards Committee, was published under the authority of the Board of BSI and comes into effect on 31 October 1983 BSI 10-1999 First published February 1955 First revision December 1960 Second revision May 1966 Third revision March 1977 Fourth revision October 1983 The foll
3、owing BSI references relate to the work on this standard: Committee reference MEE/41 Draft for comment 81/75204 DC ISBN 0 580 13385 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Mechanical Engineering Standards Committee (MEE/-) to T
4、echnical Committee MEE/41 upon which the following bodies were represented: Associated Offices Technical Committee Association of Consulting Engineers British Constructional Steelwork Association British Ports Association and The National Association of Ports Employers British Transport Docks Board
5、Bureau of Engineer Surveyors Construction Plant-hire Association Control and Automation Manufacturers Association (BEAMA) Crown Agents for Oversea Governments and Administrations Department of Industry, Mechanical Engineering Department of the Environment (Building Research Establishment) Department
6、 of the Environment (PSA) Engineering Equipment and Materials Users Association Federation of Civil Engineering Contractors Federation of Manufacturers of Construction Equipment and Cranes Federation of Wire Rope Manufacturers of Great Britain Health and Safety Executive High Commission of India Ind
7、ependent Engineering Insurers Committee Institute of Materials Handling Institution of Mechanical Engineers Institution of Production Engineers Institution of Structural Engineers National Federation of Building Trades Employers Welding Institute Amendments issued since publication Amd. No.Date of i
8、ssueComments BS 2573-1:1983 BSI 10-1999i Contents Page Committees responsibleInside front cover Forewordiv Section 1. General 1.1Scope1 1.2Definitions and applications of terms1 Section 2. Classification of the crane as a whole 2.1General2 2.2Class of utilization2 2.3State of loading and nominal loa
9、d spectrum factor2 2.4Determination of group classification of the crane3 Section 3. Loads and load combinations 3.1Loads and load combinations to be considered in design5 3.2Loads due to climatic conditions and natural phenomena10 Section 4. Selection of steel, minimum thickness and working stresse
10、s 4.1Selection of steel15 4.2Minimum thickness of plates and sections15 4.3Working stresses15 Section 5. Stresses in structural components 5.1Individual members, rolled sections, hollow sections and members with plated webs: verification relative to the yield stress16 5.2Lattice girders and trusses:
11、 verification relative to the yield stress30 5.3Secondary stresses32 Section 6. Basic stresses in connections 6.1Welds33 6.2Basic stresses for bolts, studs and rivets35 Section 7. Proportions of structural components, plates and web stiffeners 7.1Effective lengths of parts in compression38 7.2Widths
12、 of plates41 7.3Web plates and web stiffeners42 Section 8. Fluctuating loads: permissible fatigue stresses 8.1Detail design46 8.2Number of stress cycles46 8.3Loads and stresses to be considered46 8.4Methods46 8.5Permissible fatigue stress46 8.6Classes of constructional details47 8.7Connections: rive
13、ted or bolted48 8.8Connection: load-carrying fillet welds48 Appendix A Typical crane classifications58 Appendix B The use of steels of higher tensile strengths than those of steels to BS 436059 Appendix C Effective lengths of crane jibs, considered as uniform struts59 BS 2573-1:1983 ii BSI 10-1999 P
14、age Appendix D Basic formula for calculation of Cs63 Appendix E Design checks for stiffened compression flanges64 Appendix F Fatigue strength86 Figure 1 Skew load coefficients13 Figure 2 Conversion chart for wind speed and pressure13 Figure 3 Definitions: aerodynamic slenderness, section ratio, soli
15、dity ratio and spacing ratio14 Figure 4 Effective throat thickness of fillet welds36 Figure 5 Effective throat thickness of deep-penetration fillet welds37 Figure 6 Effective length with lateral bracing39 Figure 7 Typical class E weld details56 Figure 8 Typical class F weld details56 Figure 9 Typica
16、l class F and class G weld details57 Figure 10 Typical class G weld details57 Figure 11 General case for determining effective length of jib61 Figure 12 Special case where fixed pulleys for derricking and hoist ropes are in one vertical line61 Figure 13 Special case where fixed pulleys for derrickin
17、g and hoist ropes are vertically above jib pivot point62 Figure 14 Cantilever crane jib with hoist rope parallel to jib axis62 Figure 15 Cantilever crane jib with hoist rope not parallel to jib axis62 Figure 16 Ratio of effective length/actual length for cantilever crane jibs63 Figure 17 Box girder
18、compression flange: typical construction78 Figure 18 Types of stiffener79 Figure 19 Factor Cc for tees to BS 4-180 Figure 20 Variation of stresses in a stiffened compression panel80 Figure 21 Plate strength curves for simple method81 Figure 22 Column strength curves for simple method82 Figure 23 Cla
19、ssification of plate elements for detailed method82 Figure 24 Plate strength curves for detailed method83 Figure 25 Factor K1 for detailed method84 Figure 26 Column strength curves for detailed method85 Table 1 Class of utilization3 Table 2 State of loading4 Table 3 Group classification of the crane
20、 as a whole4 Table 4 Impact and duty factors according to crane type and application6 Table 5 In-service design wind pressures10 Table 6 Wind force on suspended load11 Table 7 Out-of-service design wind pressures11 Table 8 Force coefficients Cf12 BS 2573-1:1983 BSI 10-1999iii Page Table 9 Shielding
21、factors T12 Table 10 Basic stresses in structural members17 Table 11 Values of Robertson constant k for struts of various sections18 Table 12 Values of Fcrip for steels to BS 436019 Table 13 Values of K121 Table 14 Values of K222 Table 15 Values of A and B to be used in calculating values of Cs in n
22、ewtons per square millimetre24 Table 16 Basic stress Pbc.bas for different values of critical stress Cs25 Table 17 Basic average shear stress Pq.bas in stiffened webs of steel to BS 436027 Table 18 Basic stresses in welds34 Table 19 Basic stresses in rivets as a percentage of YR0.236 Table 20 Effect
23、ive lengths of parts in compression38 Table 21 Effective length with no lateral bracing40 Table 22 Maximum width of plates in compression41 Table 23 Projection of unstiffened compression flange plates42 Table 24 Permissible tensile and compressive fatigue stresses Pft and Pfc for various classes of
24、constructional detail in steels of grades 43, 50 and 55 to BS 436049 Table 25 Overhead travelling industrial type cranes (O.T.C.)58 Table 26 Overhead travelling steelworks cranes58 Table 27 Transporters58 Table 28 High pedestal or portal jib cranes and derrick cranes59 Table 29 Tower cranes59 Table
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- BS 2573-1-1983 起重机设计规程.第1部分结构分类、应力计算和设计准则规范 2573 1983 起重机 设计 规程 部分 结构 分类 应力 计算 准则 规范
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