建筑物中作为楼层间垂直交通用的构件。用于楼层之间和高差较大时的交通联系。在设有电梯、自动梯作为主要垂直交通手段的多层和高层建筑中也要设置楼梯。高层建筑尽管采用电梯作为主要垂直交通工具,但仍然要保留楼梯供火灾时逃生之用。楼梯由连续梯级的梯段(又称梯跑)、平台(休息平台)和围护构件等组成。楼梯的最低和最高一级踏步间的水平投影距离为梯长,梯级的总高为梯高。中国战国时期铜器上的重屋形象中已镌刻有楼梯。15～16世纪的意大利,将室内楼梯从传统的封闭空间中解放出来,使之成为形体富于变化带有装饰性的建筑组成部分。
外文名
stair
stair;stairway; staircase
staircase
stairway
英文名
stair
staircase
stairway
表演
john r. fors/writer #2
ivan kane/reporter #1
michael c. mccarthy/jim brogan
wendy cutler/reporter #2
小艾德·博格里/rod perth
reni santoni/john agoglia
michael chieffo/rick ludwin
aaron lustig/paul shaffer
瑞奇·雷托/johnny carson
john kapelos/robert morton
cathy worthington/kragen's assistant
susan krebs/airport atendant
paul elder/rupert murdoch
penny peyser/susan binford
james kiriyama-lem/reporter #1
arnold f. turner/reporter #3
david brisbin/alan levine
丹尼尔·洛巴克/jay leno
小理查德/himself
dan lipe/writer #1
nancy cheryll davis/reporter #2
ken kragen/himself
劳伦斯·普莱斯曼/bob wright
鲍勃·巴拉班/warren littlefield
凯西·贝茨/helen kushnick
lucinda jenney/debbie vickers
steven gilborn/peter lassally
桑德拉·伯恩哈德/herself
kerry noonan/letterman's girlfriend
joanne takahashi/thai waitress
迈克尔·费尔曼/michael gartner
kevin scannell/dick ebersol
edmund l. shaff/jack welsh
nicholas guest/robert iger
arthur taxier/lee gabler
约翰·盖兹/brandon tartikoff
特里特·威廉斯/michael ovitz
约翰·迈克尔·辛吉斯/david letterman
ann ryerson/betty hudson
peter jurasik/howard stringer
david s. kaufman/staff worker
cynthia lynch/laurie diamond
角色
airport atendant
alan levine
betty hudson
bob wright
brandon tartikoff
david letterman
debbie vickers
dick ebersol
helen kushnick
herself
himself
howard stringer
jack welsh
jay leno
jim brogan
john agoglia
johnny carson
kragen's assistant
laurie diamond
lee gabler
letterman's girlfriend
michael gartner
michael ovitz
paul shaffer
peter lassally
reporter
rick ludwin
robert iger
robert morton
rod perth
rupert murdoch
staff worker
susan binford
thai waitress
warren littlefield
writer
