拱结构

低预应力装配式方钢管拱结构受力性能分析

Performance Analysis of Lower-Prestressed Fabricated Latticed Arch of Square Steel Tubes

拱结构的弹塑性二次分岔屈曲性能

Secondary bifurcation buckling behavior of elastic - plastic arch

提出了利用CR法来研究索拱结构的面内稳定问题的方法。

Co-rotational formulation is proposed and used to solve the in-plane stability of cable-arch structure .

应用样条有限点法，以三次B样条函数为位移试函数，导出了拱结构非线性内力分析的新方法。

With the cubic B spline functions treated as displacement functions , a new method is introduced into . The result is compared with one of the finite element method .

用ANSYS分析软件，运用非线性分析方法对常态混凝土拱结构的材料，形状，尺寸进行优化设计。

The material , shape , size of concrete arch structure were optimized by using the software ANSYS and the theory of nonlinear finite element .

结果表明，在拱结构模态试验中，ED法具有一定的合理性，但其随机性较大。

It is found that the ED method has certain rationality in the arch modal experiment , but its randomness is bigger .

结果表明，斜向放置的拱结构在地震作用下水平X向和竖向均会产生较大位移，这与静力分析结果是一致的，所以在抗震设计时宜对两个方向都进行变形验算。

The results show that the inclined arch has great displacement both in X direction and vertical direction . The checking calculation of deformation in these directions should be carried out in anti-seismic design .

地面交通中心（GTC）是其重要组成部分之一，屋盖采用大跨箱形变截面圆弧钢拱结构。

The roof of GTC adopts long-span steel arches with variable box sections .

研究了圆弧拱结构的模态试验结果及利用MSC/Patran（Nastran）有限元分析计算模态的结果。

It presents the result of modal test and finite element analysis by MSC / Patran ( Nastran ) for a are structure .

拉萨河特大桥为五跨三连拱结构，主跨108m，为单线Ⅰ级铁路桥梁。

Lhasa River Bridge , with a main span 108 m , is a 5-span , 3-arch structure and is also a Grade I single-track railway bridge .

首先回顾拱结构的应用发展过程以及理论研究背景，然后简单介绍了首都机场扩建工程的基本情况、GTC屋盖结构的形成与结构方案，以及实际工程中所考虑的荷载取值。

The practical application and theoretical research of arch structures are first reviewed , followed by a brief introduction on the capital airport project , the formation and the structural layout of the GTC roof , and the load cases considered in the project .

索拱结构体型及稳定性研究

Study of the Type and Stability of Cable - Arch Structure

利用梁柱大变形理论对充气拱结构进行简化计算

Calculating pneumatic structures by large deformation theory of girders and poles

钢筋混凝土拱结构的损伤分析与非线性行为研究

Damage Analysis and Non-linear Behavior of a Reinforced Concrete Arch Structure

几何缺陷对拱结构动力稳定性的影响

The effects of geometrical imperfections on dynamic stability of arch structures

对拱结构的极值点屈曲及分支点屈曲进行了详细阐述。

Snap-through buckling and bifurcation buckling of elastic arches are introduced .

预应力柔性拱结构弹性整体稳定性试验研究

Experimental analysis of the elastic stability on prestressed flexible arch structures

地下连拱结构形状优化的分层演化法

Study on Layer Evolutionary Method in Underground Multiple Arch Structure Optimization

一种新型预应力索-拱结构的弹性稳定性能研究

Elastic stability behavior of a new type of pre-stress cable-arch structure

索受外激励作用下索拱结构非线性动力学分析

Nonlinear dynamics of cable-stayed arch under cables subjected to external excitation

砖砌双拱结构库房的爆破拆除

Blasting dismantlement of a store with double - arch brickwork structure

圆弧拱结构屈曲破坏位置的分析

Analysis on Position of Destruction by Flection in Round Arched Structure

稳定性计算是拱结构设计中一个关键课题。

Stability calculation is the key problem of the arch structure design .

考虑双重非线性的索-拱结构力学性能

Mechanical behavior of cable-arch structure with geometric and material nonlinear

索在索-拱结构中的作用

Effect of Cables on Stability Analysis of Cable arch Structure

劲性索、桁架拱结构固有振动的相似性

Similarities in natural vibration of stiff cable structures and truss arch structures

太阳大气中双拱结构的平衡与非平衡

Equilibrium and nonequilibrium of two-arch structures in the solar atmosphere

水泥土组合拱结构设计与施工

Design and Construction of a Cement Soil Compound Arch Structure

连拱式组合拱结构基坑支护技术在工程中的应用与实践

Application and Practice of Multiple-arch and Built-up Arch Structures for Foundation Pit

预应力索拱结构施工技术与试验研究

Construction technology and experimental study on prestressed cable arch structures