建筑楼梯基础知识讲义——一般楼梯由楼梯梯段、平台和中间平台、扶手、栏杆三大部分组成。 (1)??? 楼梯段 楼梯段是由踏步组成。踏步的水平上表面称踏步面。与踏步面相连的垂直部分称踏步踢板。当人们连续上楼梯时,容易疲劳,故规定一个楼梯段的踏步...
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