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P22  –  PAKISTAN LINK  –  NOVEMBER 19, 2021                                                                                 COMMENTARY
                                                                   Book & Author

         Professor Dr Mir Ali: Art of Skyscraper — The Genius of Fazlur Rahman


            n By Dr Ahmed S. Khan                                                                                               earthquake the  lower level would
                  Chicago, IL                                                                                                   dissipate energy and isolate the up-
                                                                                                                                per floors from any damage…Thus
              r Fazlur Rahman Khan                                                                                              designing the entire building to
              was one of the greatest                                                                                           resist high earthquake forces, the
        Dstructural engineers of the                                                                                            bottom story of building is allowed
        twentieth century. His contribu-                                                                                        to distort with earthquake, thereby
        tions and innovative approach                                                                                           screening out most of the forces
        to tall building design and at-                                                                                         there. The upper part of the struc-
        tention to aesthetic detail to the                                                                                      ture remains unaffected and be-
        field have been so significant that                                                                                     haves as an elastic system, whereas
        he has been called ``the Einstein                                                                                       the lower story behaves as an elasto-
        of structural engineering” and                                                                                          plastic bilinear system…Following
        “the father of modern skyscrap-                                                                                         an earthquake in Yugoslavia in the
        ers.”  For his contributions to the                                                                                     1960s, he saw a few damaged build-
        field, he has not only received the                                                                                     ings where the bottom story was ex-
        highest international awards for                                                                                        cessively deformed. This triggered
        engineering but also recognized                                                                                         the idea of a shock-absorbing lower-
        for his architectural creativity. To                                                                                    story in his mind..”
        honor this world-famous engineer                                                                                            In the process of writing the
        a chair has been established in Dr                                                                                      book, Professor Ali interviewed a
        Khan’s name at Lehigh University;                                                                                       number of Dr Khan’s  colleagues,
        the Structural Engineers Associa-                                                                                       friends and advisers and included
        tion, Illinois, has installed a Khan                                                                                    their impressions  about Dr Khan’s
        Sculpture in Sears Tower; and the                                                                                       abilities. Commenting on Dr Khan’s
        city of Chicago has named one of                                                                                        abilities, his co-adviser for gradu-
        the streets in downtown Chicago   engineer and professor emeritus at   N.M. Newmark, and Ralph Peck…  to happen, he replied, “Faz was un-  ate studies, Narbey Khachaturian,
        “Fazlur R. Khan Way.” Had there   the University of Illinois Urbana-  Khan departed for Urbana-Cham-  usually brilliant, and we could make   recalled: ““He (Khan) was a univer-
        been a Nobel prize in engineering,   Champaign, Illinois, USA. He grew   paign from Dhaka, an old city in the   an exception for someone like him”   sal man, a man who would look at
        he surely would have won it.  up in a small town of Patuakhali in   heart of Bangladesh (formerly East   (p.24).        all aspects --- social, architectural,
            Dr Fazlur Rahman Khan revo-  coastal Bangladesh, got his college   Pakistan). He had studied engineer-  Professor Ali has also included   aesthetic, you name it – the entire
        lutionized the construction of tall   education and work experience  in   ing at Bengal Engineering College   a number of examples of Dr Khan’s   universe. Khan was also a very good
        building by inventing “braced tube”   Dhaka, and then travelled to Can-  Calcutta, India, and moved to Dha-  contribution to the field of struc-  and perceptive listener. He could
        and “bundled tube” structural sys-  ada and the United States, where   ka  after the creation  of East Paki-  tural engineering, providing techni-  grasp very quickly what you would
        tems which made it possible to   he earned his graduate studies and   stan…It is not known how Khan   cal details with relevant background   tell him. He had that unusual men-
        construct the 100-story John Han-  gained work experience to become   got  admission  to  the  University  of   information. The author presents a   tal ability.”
        cock Center and the110-Story Sears   a leading structural engineer of   Illinois, since it was extremely com-  detailed description of  Dr Khan’s   Professor Mir Ali reveals that
        Tower in Chicago (a building so   the world; and in the process be-  petitive for foreigners --- particu-  “braced tube” and “bundled tube”   Dr Khan was aware of the fact that
        tall that it needed Federal Aviation   friended Fazlur Rehman Khan and   larly for those coming from a new   approaches which are widely known   his success was not solely due to his
        Administration approval before the   worked with him in Chicago on   country like Pakistan…”(p.20).  in  the  field  of  advanced  structural   own genius and expertise, but also
        construction could commence).   some tall building projects at Skid-  The author provides an ac-  analyses. The author also discusses   due to the help and collaboration of
        Dr Khan’s structural system inven-  more, Owings & Merrill (SOM), an   count of the academic brilliance of   some of his contributions that are   his associates, fellow architects and
        tions play a fundamental role in the   organization considered as a leader   Dr Khan, specifically how he com-  significant but not well known to   engineers. In 1981, Dr Fazlur Rah-
        design of modern high rise build-  in the design of skyscrapers.   pleted  three  graduate  degrees  in  a   the general public. Regarding Dr   man Khan, paid tribute to his advi-
        ings. His efforts were not only lim-  Reflecting  on  the  reasons  that   short span of three years. Professor   Khan’s contributions for design-  sor for his success and innovations.
        ited to structural engineering but   Dr Khan selected the University of   Ali writes: “Khan got enough course   ing building in seismic zones, the   He said: “It is not always easy to pin-
        also played an important role in the   Illinois for pursuing graduate stud-  credit by taking courses in both civil   author writes: “ A further innova-  point the most important reason for
        form and architecture of the build-  ies, Professor Ali writes: “Fazlur   engineering and theoretical and   tion  by  Khan,  and  something  that   my occasional successes in innova-
        ing he worked on.             Rahman Khan went to University   applied mechanics simultaneously   is not as well known, is his original   tions…I have come to realize that
            In  Art of the Skyscraper: The   of Illinois at Urbana Champaign in   to get two master’s degrees in two   concept of dissipating energy as the   three years I spent at the University
        Genius of Fazlur Khan,  Professor   1952 to pursue graduate studies in   years. He completed his Ph.D. thesis   lower story of buildings in seismic   of Illinois first under the advisership
        Dr Mir M. Ali presents a vivid por-  structural engineering. He was at-  in the very short time of one year af-  zones…He  thought of  a shock-ab-  of Thomas Shedd, but more signifi-
        trait of Fazlur Rahman Khan (1929-  tracted to this institution because of   ter that. When Siess (Khan’s adviser)   sorbing soft-story concept in which   cantly under the research environ-
        1982). In sixteen chapters spread   its reputation worldwide in the field   was asked about how Khan man-  “stability wall,” neoprene pads, and   ment and advisership of Chester
        over 240 pages, the author has done   of engineering. This reputation was   aged  to  get  three  graduate  degrees   deformable cables would be used in   Siess have indeed been the most sig-
        a marvelous job of telling the story   due  to  names  of  renowned  people   in three years and how the Civil En-  the lowest most level in a predeter-  nificant and responsible factors in
        of a highly technical man in both   like  Hardy Cross, Thomas  Shedd,   gineering Department allowed that   mined fashion such that during an   shaping my attitudes and approach
        technical and non-technical man-                                                                                        to structural design” (p.20).
        ners. Dr Ali covers different phases                                                                                        Dr Khan was far more than an
        of Dr Khan’s life: from his birth in                                                                                    innovative structural engineer; he
        Dhaka (April 3, 1929) to graduation                                                                                     was  also  a  philosopher,  a  thinker
        in Civil engineering from Univer-                                                                                       and a humanitarian. His designs not
        sity of Dhaka (1950); from coming                                                                                       only reflect technical innovations,
        to the University of Illinois Urbana-                                                                                   but also meet the local demands
        Champaign for graduate studies on                                                                                       and cultural expectations. He paid
        a scholarship (1952) to the comple-                                                                                     attention to the minute details of his
        tion of two Master of Science de-                                                                                       designs. Commenting on his own
        grees in Civil engineering and Theo-                                                                                    thinking process about design, Dr
        retical and Applied Mechanics and a                                                                                     Khan said: “when thinking design,
        Doctor of Philosophy degree in Civ-                                                                                     I put myself in the place of a whole
        il engineering (1955); from working                                                                                     building, feeling every part. In my
        for Skidmore, Owings and Merrill                                                                                        mind  I  visualize  the  stresses  and
        (SOM) Chicago(1955) to returning                                                                                        twisting a building undergoes.” Dr
        to Pakistan (1957); from working                                                                                        Khan also made sure that his designs
        as Executive Engineer with Karachi                                                                                      were people-friendly too, he placed
        Development Authority in Pakistan                                                                                       people first because people were so
        (1957-60) to marrying Liselotte                                                                                         close to his heart. In this regard,
        Anna Olga Turba and returning to                                                                                        the author has reproduced a com-
        Chicago to join SOM (1960); from                                                                                        ment by Engineering News-Record
        working as Project Engineer, Asso-                                                                                      (1972): “Invariably, when Khan lec-
        ciate Partner, and Partner at SOM,                                                                                      tures on high-rise buildings, he first
        Chicago (1962-82) to teaching in                                                                                        goes  through a brief slide-supple-
        the School of Architecture, Illinois                                                                                    mented history of tall buildings, and
        Institute of Technology (IIT), Chi-                                                                                     then explains the details of some of
        cago (1962-82); and, from going for                                                                                     his innovations. Suddenly, shots of
        Hajj to Mecca (1976)  to his death in                                                                                   crowded, smog-covered Chicago
        Jeddah ( March 27, 1982).                                                                                               and New York City appear on the
            Dr Mir. M. Ali is uniquely                                                                                          screen. Khan then cuts to shots of
        qualified to tell the story of Dr F R                                                                                   buildings  with  tree-filled,  people-
        Khan. He is a professional structural                                                                                   filled plazas. While this is going on
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