This document usesboth theand customaryunits International System ofUnits(SI)
AmericanSocietyofCivilEngineers
Design ofSteel Transmission Pole Structures
This document uses both the International System of Units (SI)and customary units.
Library of Congress Cataloging-in-Publication Data
Design of stel transmission pole structures: standard 48-11. p. cm. - (ASCE standard)"ASCE/SEI 48-11." Tsis document uses both the Intemational System of Units (Sl) and cusomary units."Includes bibliographical references and index. ISBN 978-0-7844-1181-0 (alk. paper)1. Electric linesPoles and towers-Design and construction.1. American Socicty ofCivil Engincers. TK3242.D475 .319′22dc23
2011031788
Published by American Society of Civil EnginocrsReston Virginia 20191 1801 Alexandcr Bell Drive
This standard was developedby a consensus standadsdevlopment process whichhasANSIvlnarycediaionbodyrstinpuliandpivat selorstandrds becn accrodited by the American National StandardsInstitute (ANSt).Accreditation bydevelopmnt rganizations n theU.S.and aboad. signifies that th stanads deep- ment process used by ASCE has met the ANSI requirements for openness balance consensus and due process.
While ASCE's process is designed t promote standards that rflct a fair and reasondconsnsus among allintrstd puticipnts whilc prscrving the public halth say. and wefarhatis aramn itsmnhastmadanindnssmtofand oes ot warrant th accuracy. ltness. suitabilityor utility of any io mationaparaturoductrrocssdissdhren.SCEdoest intedrshouldanyon incpretSCE'sstanards toreplace th sound judgmen of peient profeional having knowledge and experience in the appropriate ficld(s) ofpractice nor to substitut for the stanard of car nquired of such professionls n interpreting and applying the contcnts of this standard.
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Copyright @ 2012 by the American Society of Civil Engineers.All Rights Reserved.Manufactured in the United States of America. ISBN 978-0-7844-1181-0
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In 2006 the Board of Directionapproved the revision to the ASCE Rules for Stuandards Committes to govem the writingandmaintenance of standards developedby theSociety.All such standlards arc developed by a conscnsus standards processmanaged by the Society's Codes and Standards Commitice (CSC). Thc consnsus proccss includes ballting by a balancedstandards mittee made up of Society members and nonmem-ballotingby the public.All standards are updated rreaffmed by the same process at intervals not exceeding five years. bers balloting by the membership of the Society as a whole andThe following standards have been issuod:
ANSI/ASCE 1-82 N-725 Guideline for Design and Analysis ofASCE/EWRI 2-06 Measurement of Oxygcn Transfer in Clean Nuclear Safety Related Earth StructuresANSI/ASCE 3-91 Standard for the Structural Design of Com- Waterposite Slahs and ANSI/ASCE9-91Standard Practie for the Construction and Inspection of Composite SlabsASCE 4-98 Seismic Analysis of Safety-Related Nuclear StructuresBuilding Code Requirements for Masonry Structures (AC1 530-02/ASCE 5-02/TMS 402-02)andSpcificationsfor Masonry Structures (ACI 530.1-02/ASCE 6-02/TMS 602-02)ASCE/SEI 7-10 Minimum Design Loads for Buildings andSEI/ASCE 8-02 Standard Specification for thc Design of Cold. Formed Stainless Steel Stnuctural Memhers Other StructuresANSI/ASCE 9-91 listed with ASCE 3-91 ASCE 10-97 Design of Latticed Steel TransmissionSEI/ASCE 11-99 Guideline for Structural Condition Assessment StructuresASCE/EWRi 12-05 Guideline for the Design of Urban Subsur- of Existing BuildingsASCE/EWR1 13-05 Standard Guidclines for Installation of face DrainageASCE/EWRI 14-05 Standard Guidelines for Operation and Urban Subsurface DrainageASCE 15-98 StandardPractice for Direct Maintenance of Urban Subsurface Drainage Design ofBuried Prccast Conccte Pipe Using Standard InstalltionsASCE 16-95 Standard for Load Rcsistancc Factor Design (LRFD）of Engincered Wood Construction (SIDD)ASCE 17-96 Air-Supported StructuresASCE 18-96 Standard Guidelines for In-Process Oxygcn Trans- ASCE/SEI i9-10 Structural Applications of Stecl Cables for fer TestingBuildingsASCE20-96 Standard Guidelines for the Design and Installation ANSI/ASCE/T&DI 21-05 Automated People Mover Stan- of Pile Foundationsdards-Part1ANSI/ASCE/T&D1 21.2-08 Automated People Mover Stan- dardsPar 2ANSI/ASCE/T&DI 21.3-08 Automatcd People Mover Stan- dards-Part 3
ANS1/ASCE/EWR1 57-10 Guidelines for the Physical Sccurity of Wastewater/Stonmwater UtilitiesASCE/T&DI/ICP1 58-10 Strnuctural Design of Inserlocking Concrete Pavement for Municipal Strots and Roadways
ASCE/G-1 53-10 Compaction Grouting Consensus Guide ASCE/EWR1 54-10 Standard Guideline for the Gcostatisticalpic Saturated Hydraulic Conductivity Estimation and Block-Averaging of Homogcncous and Isotro-ASCE/SEI 55-10 Tensile Membrane StructuresANS1/ASCE/EWRI 56-10 Guidelines for the Physical Security of Water Utilities
