Chapter 10 High-Rise Buildings 10.1.Introduction 10.2.High-rise Buildings of Shear-wall 10.3.High-rise Buildings of Rigid Frame 10.4.High-rise Buildings of Tube
Chapter 10 High-Rise Buildings 10.1. Introduction 10.2. High-rise Buildings of Shear-wall 10.3. High-rise Buildings of Rigid Frame 10.4. High-rise Buildings of Tube
10.1 Introduction Low-rise building ---up to 3 stories Multi-story building ---4 ~7 stories Median-rise building---814 stories High-rise building---more than 15 stories
10.1 Introduction Low-rise building --- up to 3 stories Multi-story building --- 4 ～7 stories Median-rise building--- 8 ～14 stories High-rise building --- more than 15 stories
Fig.10-1 More column units required for high-rise building TOTAL OF12 COLUMN UNITS 一人 TOTAL OF 6 COLUMN UNITS 一人 3 STORIES 3 FLOOR AREA BAYS 3 FLOOR AREA BAYS 一一 STACKING REQUIRES MORE COLUMN UNITS
Fig.10-1 More column units required for high-rise building
The increase for vertical load resistance units RATIO OF COLUMN UNITS REQUIRED FOR STACKED VS 1-STORY SCHEME 4x VARIES LINEARIY WITH IS LINEAR 3x NUMBER OF STORIES 2x1 (n±1) 2 1x 1234567日→m OF EQUIVILENT FLOOR AREA STORIES
The increase for vertical load resistance units
The increase for horizontal load resistance RATIO OF COLUMN UNITS REQUIRED FOR STACKED VS 1-STORY SCHEME IS NOT LINEAR VARIES GEOMETRICALLY WITH LOAD,HEIGHT,AND STRUCTURAL PEPTH OF THE SCHEME >(n) OF STORIES
The increase for horizontal load resistance
Fig.10-2 Materials needed for lateral and vertical loads 层单位置锁雨蛋（骑刻· 0 10 20 30 50 20 40 层 数 60 100 优化设计可以 果板 柱（墙） 降低用量 竖向荷裁所要求的材料量 未优化时抗水平力可能要求的材料量 抗竖向力和水平力时可能要求的材料量
Fig. 10-2 Materials needed for lateral and vertical loads
Optimal design:Wider footprint M 关健是使大间距 的柱共同工作 刀 d d
Optimal design: Wider footprint
Optimal design:changing footprint (a) (6) 服务井简（如果需要的话） … 务并前，·”厅之。 外格构式柱， 间距4~10英尺 服务井简 = 卡=☒」 。年年e。e● ●●9.0。●◆。·。·… 柱间距 4一10英尺 图10-17
Optimal design: changing footprint
Optimal design:Mega-frame action
Optimal design: Mega-frame action
Optimal design:Mega-frame action 普通框架的侧移将很大 巨型框架的作用 可减小侧移 普通框架作为次框架 可以加强巨型框架 刚度很大的设备层和建筑物 外围的细高井简刚性相连 鸡02791
Optimal design: Mega-frame action