大家在查：束筒加强层板件零件标准化产品模块化抗震结构荷载效应组合巨型结构高层建筑结构设计框筒

筒中筒

网络tube in tube

筒中筒

筒中筒

筒中筒

tube in tube

世贸大楼的结构：世贸大楼属于“筒中筒”（tube in tube）结构。大楼的设计意图是靠中间的电梯井来承受大楼的整个重量。

1

The tube -tube structure system is adopted and out triggers are set in the three mechanical floors for strengthening floors .

工采用框架筒中筒结构体系，并以伸臂桁架在三个设备层形成了加强层提高结构的抗侧刚度。

2

The finite difference solution of fundamental differential equation on tube-in-tube structures considering second order effects

考虑二阶效应时筒中筒结构基本微分方程的有限差分解

3

Analysis of the Overall Stability of Tube-in-tube Structures Under Vertical Seismic Action

筒中筒结构在竖向地震作用下的整体稳定分析

4

The fundamental differential of tube-in-tube structures considering second order effects

考虑二阶效应时筒中筒结构的基本微分方程

5

Super Element Method of Different Stiffness Tube-type Structure Analysis

变刚度筒中筒结构分析的超元方法

6

Pseudo-dynamic test and theoretical analysis of RC tube in tube structure

钢筋混凝土筒中筒结构拟动力试验研究与理论分析

7

Establishment of Pre - stress in Flat Beam of Tube - in - tube Structure

筒中筒结构宽扁梁预应力的建立

8

Calculation and Model Experiment on Effect of Torsion of R. C. Tube-in-Tube Structures

钢筋混凝土筒中筒结构扭转效应计算及模型试验

9

Analysis of tube-in-tube structure of variable cross-section in torsion

变截面筒中筒结构受扭分析

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