jagomart
digital resources
picture1_Aisc Manual Pdf 84697 | C Cs Steel Design By Hewitt1


 145x       Filetype PDF       File size 0.78 MB       Source: www.structuremag.org


File: Aisc Manual Pdf 84697 | C Cs Steel Design By Hewitt1
st ccodes standards steel design for the 21 century o by christopher m hewitt d the 1980s were pretty innovative years they brought us performance of a steel beam is ...

icon picture PDF Filetype PDF | Posted on 13 Sep 2022 | 3 years ago
Partial capture of text on file.
                                                                            st                                                                             ccodes & standards
            Steel Design for the 21  Century                                                                                                               o
            By Christopher M. Hewitt                                                                                                                       d
              The 1980s were pretty innovative years.  They brought us            performance of a steel beam is the same regardless of the  design 
            wonderful technical advances, like cell phones, Microsoft  method used by the structural engineer, only one set of curves is                   e
            DOS, and AISC’s familiar ASD Manual.  With time, each of              required for structures designed by ASD or LRFD.  The strength 
            these innovations has seen substantial improvement, embracing         level corresponding to each point of the curve need only change          s
            the technical advances of the new century — none of us continue       to refl ect whether the loads were calculated using ASD load   
            to carry around the                                                                                             combinations or LRFD            
            clunky car phones                                  The Shape of Things                                          load combinations. As          &
            of the 80s, but  Shape information in the AISC Manual is based upon that which is published                     seen in Figure 1 on page 
            pocket sized phones       in the ASTM A6 Standard.  Many changes have occurred in the ASTM A6                   29, this is accomplished        
            are now a way of           standard since the printing of the last LRFD Manual, and even more have              by providing an ASD 
            life.  Bill Gates’ Mi-     occurred since the printing of the last ASD Manual.  The most signifi cant            scale and an LRFD scale        s
            crosoft has evolved      change is found in the W36 shapes series, in which an entire group of shapes           for the vertical axis. All     t
            into an intricate and    has been revised for current rolling practices.  The k-distances for rolled shapes     other tables similarly in-     a
            expanded Windows          have also been updated to refl ect the variation in rolling practices of current       tegrate ASD and LRFD 
            operating system for                                     shape producers,                                       values for convenient ©
                                                                   with the presentation                                                                   n
            the business world.                          Copyright                                                          and consistent usage.
              In that same time, the technology surround-           of separate k-values 
            ing steel design has continued to advance. With          applicable to the                                                                     d
                                                                   design and detailing                      Leading By Example
            all of the research and innovation that has sur-           of members.                The AISC Committee on Manuals and Text-
            faced in the last 16 years, it seems appropriate        Pipe (ASTM A53)            books began the effort of overhauling the Manual            a
            for steel design to evolve from a world defi ned          and HSS (ASTM 
            by green computer screens, four-function cal-          A500) members are           three years ago. From the onset of the project, the         r
            culators, Beta recorders and Marty McFly.  The        treated similarly in the     committee sought to return the text to its origins as 
              th                                                    2005 Manual.  The          a true handbook for practicing structural engineers.        d
            13  Edition AISC Steel Construction Manual             7% reduction on the         In line with this approach, users of the Manual will 
            gives ASD and LRFD designers alike a way to             wall thickness that        notice that there are no design examples included
            realize the advances in steel design technology        has historically been       in the printed version. However, even more design           s
                     st                                             used in calculating 
            in the 21  century.                                    the design properties       examples than were available in the past are in-
                One Manual to Rule Them All                         of HSS to account          cluded on a CD companion titled AISC Design Ex-
                                                                   for tolerances in the       amples.  The companion text was developed by the 
              The new AISC Steel Construction Manual,               production process         AISC Committee on Manuals and Textbooks with 
              th                                                  has now been applied 
            13  edition, brings ASD and LRFD together              in the calculation of       consultant Charles Page, P.E. of Page McNaghten 
            in a familiar context.  The structure of the           the design properties       Associates in the Kansas City, Missouri area. AISC 
            book is largely the same as it has been for                                        Design Examples provides hundreds of design ex-
                  STRUCTURE
            many years — all of the classic design tables         of Pipe cross-sections,      amples on the application of the 2005 AISC Speci-
                                                                     to account for a 
            for member and connection design have been             common practice by          fi cation for Structural Steel Buildings, and the de-
            carried forward.  Tabulated design values for          HSS manufacturers           sign aids of the AISC Steel Construction Manual, 
            ASD and LRFD are presented side-by-side.                to downgrade their         with an easy to follow, side-by-side presentation of 
                                   magazine
              Much like the new AISC Specifi cation, the             product and supply         design equations.
            Steel Construction Manual includes coverage              it as meeting the 
            for all member                                           requirements of                                             More Design 
                                                                        ASTM A53 
            types, including                                      without a pressure test.                                           Power
            hollow structural             In addition to these broad updates, throughout the Manual, footnotes
            sections and single              have been added to point out shapes that require special design                    New design aids in 
            angles, in a single                                                                    h                          this manual include 
                                         considerations.  For example, the designation W40x593  indicates that                tabulated values for 
            volume.                     the shape is a heavy section, with a fl ange thickness greater than 2 in., and 
                                        that special requirements may apply by Specifi cation Section A3.1.  Or,               the critical stress of 
              Defi ned By                                        f                                                             compression mem-
                                      the designation W14x99 highlights that when a W14x99 section is used in                 bers, design curves for 
                  Color                            fl exure, it cannot be designed as a compact section.                       the available stress of 
              Color plays an                                                                                                  plate girders, and sim-
            important role in                                                                                                 plifi ed design proce-
            this edition of the Manual.  Tabulated values applicable only         dures for considering second-order effects on a structure.
            to design by ASD are presented in green shading, and tabulated           Many improvments realized in the development of the LRFD de-
            values applicable only to design by LRFD are presented in             sign manuals can now be used for design by ASD, such as improved 
            blue print.  Values that are independent of design method are         design methods for composite members, design aids for members 
            presented in black print.                                             subjected to combined bending and axial forces, eccentric load 
              Perhaps the most elegant realization of this approach can be seen   coeffi cients for loads applied at various angles, and tension 
            in the unbraced beam design charts of the Manual. Because the         member design aids. But even these design aids have been im-
                                                                 STRUCTURE magazine • December 2005                                                          27
           proved — tables for the 
           design of members sub-
           jected to combined axial 
           load and bending now 
           can be applied to the 
           case of combined tensile 
           and bending forces, and 
           coeffi cients have been 
           provided for calculat-
           ing the strength of weld 
           groups when they are 
           loaded concentrically.                                                                                0% 
             Some connection de-
           sign procedures have 
           been modifi ed in this                                                                                 financing. 
           edition of the Manual. 
           Design procedures for 
           prying action now make                                                                                100%                          ©
           use of the tensile strength                Copyright
           rather than the yield                                                                                 smart.
           strength, to better align 
           the design provisions 
           with the tested perfor-
           mance of bolted parts 
           subjected to prying ac-
           tion.   Procedures for the 
                                                                                                                                                        F
           design of connection el-                                                                              If you use any qualifying              or A
           ements subject to bend-                                                                                        ®                             dv
                                                                                                                 Autodesk  product, here’s              er
           ing have been modifi ed                                                                                a deal that’s too good to              tiser I
           to use the plastic section                                                                            pass up. Upgrade to one of             nformation, visit  
           modulus in the calcula-                                                                               our current Architectural, 
           tion of bending strength,                                                                             Structural, or Building 
           rather than the elastic 
           section modulus; the ex-                                                                              Systems engineering solu-              www
           ception to this being the                                                                             tions and you may be eli-              .str
           design of a coped beam      Figure 1                                                                  gible for 0% financing for             uctur
           end for fl exure, which is                                                                             12 months. Certain product             emag.org
                 STRUCTURE
           still based upon the elastic section modulus.                                                         and credit restrictions apply,
             Simple shear connections now include a revised design procedure for conventional                    and there’s a minimum 
           single-plate shear connections, a new design procedure for the design of extended single-             purchase of $5,000. It’s a 
           plate shear connections, and the most current procedures for the design of end-plate                  great way to enjoy the latest
                                 magazine
           moment connections.                                                                                   Autodesk has to offer – at 
             But, perhaps the most signifi cant contribution of this Manual is that it recognizes that            a cost that’s great for your 
           the strength of steel is constant, and eliminates the annoying differences between design             bottom line.
           methods, allowing the designer to scrutinize the merits of steel designs, rather than the merits 
           of design methods.  By returning to a single design approach, a single Manual, and a single           See how much 
           method for determining the strength of steel structures, structural engineers can better              you can save at 
           pursue innovations and improvements in the art and practice of design.▪ 
                                                                                                                 autodesk.com/zeropercent
                         Christopher Hewitt is Staff Engineer in the AISC Engineering and 
                       Research Department where he is directly responsible for the ongoing 
                     development and maintenance of the AISC Steel Construction Manual. 
                     Christopher serves as Secretary to the AISC Committee on Manuals and 
                      Textbooks. He also serves on the NCSEA Advocacy Committee and the                          Lease applicants must meet credit quali-
                                  ASCE Committee on Structural Connections.                                      fications. Autodesk financing cannot be 
                                                                                                                 combined with any other Autodesk promo-
                                                                                                                 tional or special price offer. USA and Canada 
                                                                                                                 only. Federal government and student cus-
                                                                                                                 tomers are not eligible for this financing 
                                                                                                                 offer. Autodesk is a registered trademark 
                                                                                                                 of Autodesk, Inc., in the USA and/or other 
                                                                                                                 countries. All other brand names, product 
                                     th                                                                          names, or trademarks belong to their 
                         The new 13  Edition AISC Steel Construction Manual will be                              respective holders. Autodesk reserves the
                       available beginning December, 2005 at www.aisc.org/bookstore.                             right to alter product offerings and speci-
                                                                                                                 fications at any time without notice, and 
                                                                                                                 is not responsible for typographical or
                                                                                                                 graphical errors that may appear in this ad. 
                                                                                                                 ©2005 Autodesk, Inc. All rights reserved.
                                                             STRUCTURE magazine • December 2005                                                        29
The words contained in this file might help you see if this file matches what you are looking for:

...St ccodes standards steel design for the century o by christopher m hewitt d s were pretty innovative years they brought us performance of a beam is same regardless wonderful technical advances like cell phones microsoft method used structural engineer only one set curves e dos and aisc familiar asd manual with time each required structures designed or lrfd strength these innovations has seen substantial improvement embracing level corresponding to point curve need change new none continue re ect whether loads calculated using load carry around combinations clunky car shape things as but information in based upon that which published figure on page pocket sized astm standard many changes have occurred this accomplished are now way since printing last even more providing an life bill gates mi most signi cant scale crosoft evolved found w shapes series entire group vertical axis all t into intricate been revised current rolling practices k distances rolled other tables similarly expanded...

no reviews yet
Please Login to review.