High-rise Construction

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="GENERATOR" content="Microsoft FrontPage 2.0"> <title>High Rise Construction</title> </head> <body background="tile.gif" bgcolor="#000000" text="#FFFFFF" link="#FF9F35" vlink="#DF7000" alink="#FF9A35"> <p align="center"><img src="title.gif" width="700" height="139"></p> <p align="center"><img src="highrise.gif" width="597" height="172"></p> <hr width="85%"> <h2 align="center">Factors Controlling Choice of Structural System</h2> <h2 align="center">1. OCCUPANCY - FUNCTION</h2> <p> </p> <pre> appartment = 40 psf live load hotel = 40 psf office = 50 psf </pre> <pre> <font size="3"><em>Offices:</em></font> 35' - 45' span no columns within offices larger spans prefer steel structures steel structures are deeper <font size="3"><em>Hotels:</em></font> 12'-6" - 15' span place columns in wall between units smaller span concrete structure possible no steel structure required <em>Apartments:</em> 15' - 24' span place columns in wall between units smaller span concrete structure possible no steel structure required <em>Offices:</em> steel concrete dead load 60 85 - 90 live load 50 50 partition 20 20 mech. + ceiling 10 10 ________________________________________________________________________ total 140 psf 165-170 psf Hotels: steel concrete dead load 75 100 - 115 live load 50 50 partition 20 20 mech. + ceiling 0 0 ________________________________________________________________________ total 125 psf 170-185 psf </pre> <hr width="85%"> <h2 align="center">2. Height</h2> <pre> finished floor to finished ceiling 8'-6" USA typically 9'-0" Texas 10'-6" Washington Office: concrete structure 7" ducts 8 - 12" lighting 8" no ceiling 0 ______________________________________ total 2' - 3' Office: steel structure 24" ducts 16" lighting 8" no ceiling 0" ______________________________________ total 4'-0" Hotels: concrete structure 6" ducts 0" lighting 0" ______________________________________ total 6" Apartments: concrete structure 6" ducts 0" lighting 0" ______________________________________ total 6" </pre> <hr width="85%"> <h2 align="center">3. Building Shape</h2> <pre> Office 95% are rectangular Core 20' deep Stair 8' Mechanical Room 15' Elevator 10' Corridor 10' Elevator 10' Toilets 15' Stair 8' __________________________________________________ TOTAL 76' x 20' Hotels </pre> <pre> Holiday Inn 12'-6" wide Hyatt 15' wide rooms Apartments free form shear wall construction</pre> <hr width="85%"> <h2 align="center">4. Elevators</h2> <pre> 1 elevator for 40,000 sqft/floor area elevator size design 10'x10' actual 8'x10' </pre> <hr width="85%"> <h5 align="center"><a href="http://www.ou.edu/class/hgruenwald"><i>Prof. Dr. Hermann Gruenwald</i></a></h5> <h5 align="center"><a href="mailto:HGRUENWALD@ou.edu"><i>(mail comments to: HGRUENWALD@ou.edu)</i></a></h5> <h5 align="center"><a href="http://www.ou.edu/architecture"><i>College of Architecture </i></a></h5> <h5 align="center"><a href="http:/www.ou.edu"><i>The University of Oklahoma</i></a></h5> <blockquote> <p><a href="copy.htm"><font size="1">©</font></a><font size="1"> Dr. Gruenwald 1996,1997</font> </p> </blockquote> </body> </html>