1、 A S C E S TA N DA R D ASCE/SEI 10-15Published by the American Society of Civil EngineersAmerican Society of Civil EngineersDesign of Latticed Steel Transmission StructuresThis document uses both the International System of Units (SI) and customary units.Library of Congress Cataloging-in-Publication
2、 DataDesign of latticed steel transmission structures.pages cm (ASCE Standards)“This document uses both the International System of nullits (SI) and customary units.nullISnull nullnullnullnullnullnullnullnullnull (soft conullr null alnull paper) ISnull nullnullnullnullnullnullnullnullnull (nullnull
3、null Electric linesnullles and tonullrsDesign and constructionStandards. null Steel framing (nulluilding)Standards. null. Steelnull StructuralSpecinullations. null. nullattice theory. I. American Society of Cinulll Engineers.TnullnullnullDnull nullnullnullnullnullnull nulldcnullnullnullnullnullnulln
4、ullblished by American Society of Cinulll Engineersnullnull Alenullnder nullll Drinullnullstonnullnullirginianullnullnullnullnullnullnullnull.asce.orgnulloonulltore nullascelibrary.orgThis standard nulls denullloped by a consensus standards denulllopment process that has been accredited by the Ameri
5、can nulltional Standards Institute (AnullI). Accreditation by AnullInulla nullluntary accreditation body representing public and prinullte sector standards denulllopment organinulltions in the nullited States and abroadnullsigninulls that the standards denulllopment process used by ASCE has met the
6、AnullI renullirements for opennessnullbalancenullconsensusnulland due process.nullereas ASCEnulls process is designed to promote standards that renullct a fair and reasoned consensus among all interested participantsnullnullile presernullng the public healthnullsafetynulland nulllfare that are param
7、ount to its missionnullit has not made an independent assessment of and does not nullrrant the accuracynullcompletenessnullsuitabilitynullor utility of any informationnullappa nullratusnull productnull or process discussed herein. ASCE does not intendnull nor should anyone interpretnullASCEnulls sta
8、ndards to replace the sound nulldgment of a competent professionalnullhanullng nullonulledge and enullerience in the appropriate nullld(s) of practicenullnor to substitute for the standard of care renullired of such professionals in interpreting and applying the contents of this standard.ASCE has no
9、 authority to enforce compliance nullth its standards and does not undertanull to certify products for compliance or to render any professional sernullces to any person or entity.ASCE disclaims any and all liability for any personal innullrynullproperty damagenullnullancial lossnullor other damages
10、of any nature nullatsoenullrnullincluding nullthout limitation any directnullindirectnullspecialnullenullmplarynullor consenullential damagesnullresulting from any personnulls use ofnullor reliance onnullthis standard. Any indinulldual nullo relies on this standard assumes full responsibility for su
11、ch use.ASCE and American Society of Cinulll Engineersnullegistered in nullS. nulltent and Trademarnullnullnulle.Photocopies and permissions. nullrmission to photocopy or reproduce material from ASCE publications can be renullested by sending an enullail to permissionsnullsce.org or by locating a tit
12、le in ASCEnulls Cinulll Engineering Database (httpnullnulledb.asce.org) or ASCE nullbrary (httpnullnullascelibrary.org) and using the “nullrmissionsnulllinnullErrata: Erratanullif anynullcan be found at httpnullnullnulldoi.orgnullnullnullnullnullnullnullnullnullnullnull.Copyright nullnullnull by the
13、 American Society of Cinulll Engineers.All nullghts nullsernulld.ISnull nullnullnullnullnullnullnullnullnull(print)ISnull nullnullnullnullnullnullnullnullnull(nullnullnullnufactured in the nullited States of America.null null null null null null null null null null null null null iiiASCESTANDARDSThe
14、 material presented in this Standard has been prepared in accordance with recognized engineering principles and should not be used without the users competent knowledge for a given application. The publication of this Standard by ASCE is not intended as a warrant that the information contained herei
15、n is suitable for any general or specific usenulland the Society takes no position with regard to the validity of patent rights. nullers are advised that the determination of patent rights or risk of infringenullment is entirely their own responsibility.A complete list of currently available standar
16、ds is availnullable in the ASCE nullbrary nullttpnullnullscelibrary.orgnullagenullooksnull nulltandardsnullnull nullnullnullthe nullard of nullrection approved the revision to the ASCE nullles for Standards Committees to govern the writing and maintenance of standards developed by the Society. All s
17、uch standards are developed by a consensus standards process managed by the Societys Codes and Standards Committee nullSCnull The consensus process includes balloting by a balanced standards committee made up of Society members and nonmemnullbersnullballoting by the membership of the Society as a wh
18、olenulland balloting by the public. All standards are updated or reaffirmed by the same process at intervals not enulleeding five years.This Standard includes commentary and appendices that are furnished as supplemental information. The commentary and appendices are not mandatory.This page intention
19、ally left blank Design of Latticed Steel Transmission Structures vCONTENTSPREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XIDESIGN OF STEEL TRANSMISSION TOWERS STANDARDS COMMITTEE . . . . . . . . . . . . . . . . . . . .
20、XIII1 .0 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 .1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 .2 Applicable Documents . . . . . . . . . . . .
21、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 .3 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 .0 LOADING, GEOnullnullnull, AND ANALnullIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22、 . . . . 32 .1 Intnullnullction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 .2 Loanull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 .3 Geometnullc nullnfinullnulltions . . . . .
23、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 .null nulltnullnull onullAnalnullis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 .0 DESIGN OnullnullnullERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . . . null3 .1 Intnullnullction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .2 nulltenullal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .3 nulln
25、imum Sinulls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null Slennullnulless Ratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null nullopenullies onullSections . . . . . . . . . . . .
26、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null Desinull nullmpnullssion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null nullmpnullssion nullmbenullnullAnnulles . . . . . . . . . . . . . . . . . . . . . . . . . . .
27、. . . . . . . . . . . . . null3 .null .1 nullnullmum wnullt Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .2 Desinull nullmpnullssinull Stnullss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .3 Detenullination
28、onull Fa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null Enullnullctinull Lennullnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null .1 Lenullnullmbenull . . . . . . . . . . . . . . . . . . . . . .
29、. . . . . . . . . . . . . . null3 .null .null .2 Otnullnullnullmpnullssion nullmbenull . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null .3 Renullnnullnt nullmbenull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null .null nullsupponullenullLe
30、nnullnullnulltnullnullanullinnullnullnulles . . . . . . . . . . . . . . . . . . . . . . null3 .null .null .null nullint Restnullint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null .null nullest nullenullfication . . . . . . . . . . . . . . . . . . . . . . .
31、. . . . . . . . . . . . null3 .null nullmpnullssion nullmbenullnullSnullmetnullcal LippenullAnnulles . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .1 nullnullmum wnullt Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .2 Desinull
32、 nullmpnullssinull Stnullss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .3 Enullinulllent Ranullus onullGnullation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null nullnimum Lip Deptnull . . . . . . . . . . . . . . . . . .
33、. . . . . . . . . . . . . . . . . . . . . null3 .null nullmpnullssion nullmbenull Not nullnullnullnullin Sections 3 .nullannull3 .null . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .1 Desinull nullmpnullssinull Stnullss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、. . . null3 .null .2 nullnullmum wnullt Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .3 Enullnullctinull nullinullnull onullElements in nullmpnullssion . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .3 .1 nullinullnulllnullnullmpn
35、ullssenullElements . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .3 .2 Elements nulltnullStnullss Gnullnullent . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null DoublnullSnullmetnullc Open nulloss Sections . . . . . . . . . . . . . . . . . . . . . . . . . .
36、. . . null3 .null .null SinnullnullSnullmetnullc Open nulloss Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null nullintnullnullmetnullc Open nulloss Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null nullosenullnulloss Sections .
37、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null Nonsnullmetnullc nulloss Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .null .null Lips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38、. . . . . . . null3 .null .10 Eccentnullc nullnnections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . nullvi Contents3 .10 nullension nullmbenull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .10 .1 Desinull nullensi
39、le Stnullss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .10 .2 Annulle nullmbenull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . null3 .10 .3 Eccentnullc nullnnections . . . . . . . . . . . . . . . . . . . . . . . . . . .
40、. . . . . . . . . . . 103 .10 .null nullnullanullnullRonull annullAncnullnullnulllts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 .10 .null Gunull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 .11 Stitcnullnulllts . . . . .
41、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 .12 Anullal nullmpnullssion annullnullnnullnnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 .13 Anullal nullension annullnullnnullnnull . . . . . . . . . . . . . . .
42、. . . . . . . . . . . . . . . . . . . . . . . . . . . 103 .1null nullams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .1 nullopenullies onullSections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43、113 .1null .2 Desinull nullension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .3 LatenullllnullSupponullenullnullams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .null I, nullannel, annullnullucinullnull Section
44、s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .null OtnullnullDoublnullSnullmetnullc Open Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .null SinnullnullSnullmetnullc I annullnull Sections . . . . . . . . . . . . . . . . . . . . . . . . . .
45、. . . . . 113 .1null .null OtnullnullSinnullnullSnullmetnullc Open Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null .null Enullal LenullAnnulles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 .1null Desinull Snullanull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 .1null .1 nullam nullebs . . . . . . . . . . .
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