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Arch 375: Architecturally Exposed Structural Steel - tboake.com PDF

73 Pages·2014·14.57 MB·English
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Arch 375: Architecturally Exposed Structural Steel Terri Meyer Boake University of Waterloo School of Architecture Vladimir Shukhov • originated in the work of  Vladimir Shukhov circa  1896 • creation of tall  hyperbolic paraboloid structures to support  water towers • structure had no need of  a core for lateral load  resistance Shukhov Towers Evolution: Diagonal Bracing  Diagonals re‐ appeared as  expressions of  bracing  They provided  lateral support for  wind and seismic  loads  Columns carried  the gravity loads  Core was the  primary means of  lateral resistance Evolution: Eliminating vertical columns ui H t  n e c n Vi :  e g a m I Note: The core will be framed in steel or cast in concrete as a function  of local practices and construction sequencing/erection priorities. A pure steel diagrid tower does not require a core for lateral resistance. History: Early Diagrids CCUURRTTIISS  AANNDD  DDAAVVIISS  ww//  Exterior steel frame LLEESSLLIIEE  RROOBBEERRTTSSOONN  EENNGGIINNEEEERR  Aluminum clad UUNNIITTEEDD  SSTTEEEELLWWOORRKKEERRSS  BBUUIILLDDIINNGG  11996633  Incorporated glazing system PPiittttssbbuurrgghh,,  PPeennnnssyyllvvaanniiaa Prefabrication  introduction of prefabrication of  the exterior framing elements  color coding of the frames  according to their load carrying  capacity  quicker connections on site Images: Leslie E. Robertson Associates History: Earlyy Diaggrids II..MM..  PPEEII  ww// LLEESSLLIIEE  RROOBBEERRTTSSOONN  EENNGG.. BBAANNKK  OOFF  CCHHIINNAA  11998899 HHoonngg  KKoonngg Diagonal geometry permitted unusual  massing of the tower. History: Earlyy Diaggrids II..MM..  PPEEII  ww// LLEESSLLIIEE  RROOBBEERRTTSSOONN  EENNGG.. BBAANNKK  OOFF  CCHHIINNAA  11998899 HHoonngg  KKoonngg Diagonals were constructed of steel that  was embedded in large masses of  concrete at the major nodes. Early Expressions of Diagonal Bracing JJoohhnnssoonn//BBuurrggeeee  ww//  Highly expressive use of diagonal bracing LLEESSLLIIEE  RROOBBEERRTTSSOONN  EENNGG..  15o lean PPuueerrttaa ddee  EEuurrooppaa  TToowweerrss  11999966  Steel frame with reinforced concrete core MMaaddrriidd,,  SSppaaiinn

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Arch 375: Architecturally. Exposed Structural. Steel. Terri Meyer Boake. University of Waterloo Note: The core will be framed in steel or cast in concrete as a function Hong Kong. I.M. PEI w/ . Completely custom sections fabricated from
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