Dynamical Characteristics of Arch Bridge Without Thrust and Analysis of the Train Running Safety

In order to simulate the construction processes and reveal the stress and deformation processes of the dam body and slope, the application of arch dam thrust is employed based on the states of excavation, unloading and reinforcement that have already been completed;

为更好地模拟施工过程，反映坡体和坝体的应力和变形过程，在边坡开挖、卸荷、加固工况计算已完成的基础上进行坝体推力施加的分析；

Increasing the arch thrust augments the shear stress on the surface of the shearing resistance part, which counteracts the influence of the crushed rock.

同时由于拱向应力的增大，即增大了抗剪面剪应力，抵消了坝体下游破碎岩石的影响。

Aimed at the two types of high speed railway long span steel bridge-slab truss composite system and arch truss composite system, an analysis of random vibration response of time dependant train bridge system has been made in detail.

本文针对高速铁路大跨度钢桥板桁或拱桁组合体系两种主要桥式，对列车与桥梁时变系统的随机振动响应作了较详细的分析。

Compared with the accustomed single-layer reticulated shells, Tianshan Rice Cube reticulated shell roof adopts compound structures which combines the single-layer reticulated shell and suspend arch truss together.

与传统单一的单层网壳相比，天山米立方屋盖网壳结构在结构形式上采用单层网壳与弦支拱桁架所复合的弦支拱桁架-单层网壳复合结构。

The pre-stressed arch truss string structure is one of the new pre-stress steel structure styles, because it possessed of rational mechanical feature, it has been used in many national and foreign engineering practices.

预应力张弦拱桁架结构是一种新型的预应力钢结构形式，由于其受力合理的特点在国内外工程实践中得到了较多应用。

To improve the structural vertical stiffness and strength, an arch truss was added in the front of the cantilever, and the increased areas of lower chords were used.

在悬挑部分的最前檐增加一榀拱形桁架，并且加大其下弦杆件的截面面积，以提高结构竖向刚度和强度；

Finally, the reason and type of deformation in building are explained; and the monitoring method, deformation results of large-span steel tube arch truss during construction are analyzed.

最后，本文阐述了建筑物产生变形的原因和类型，对体育馆大跨度钢管拱桁架结构施工过程中变形监测方法、变形结果进行分析。

The Maximum displacement of nodes increases slowly with earthquake peak acceleration increasing, and the steel arch truss under the earthquake occurs strength failure finally. 2.

研究所得结论主要有以下几点：1、钢管拱桁架在地震作用下，最大节点位移随着地震加速度峰值增大缓慢增加，最终结构发生强度破坏。

Combining with the university gymnasium, the deformation of large-span steel tube arch truss during construction is monitored and systematically analysed in this paper.

本文结合某大学体育馆大跨钢管拱桁架结构施工，对其变形进行了监测及系统分析。

The large-span steel spatial arch truss, as a kind of large spatial structures, is widely designed for the main stress system of large-scale public buildings.

大跨度空间钢管拱桁架作为一种大跨空间结构，常被设计为大型公共建筑的主要受力体系。

Moreover, the steel arch truss is widely used in the exhibition hall, stadium and other large public buildings because of its many advantages.

而且，钢管拱桁架因其很多优点被广泛应用于展览馆、体育馆等大型公共建筑。

As known, the effect of traveling wave and multi-dimensional excitation are noticeable on seismic response of the long-span arch truss.

比较该结构在单维输入和多维输入，一致输入和多点输入的反应。

Analyses on the lofting arc length in concrete-filled steel tubular ( CFST) arch truss bridges

桁式钢管砼拱桥拱肋放样弧长计算探讨

Processing, Manufacturing and Construction Technology of Huge-span Variable Cross-section Bolt Welding with Steel Tube Arch Truss

大跨变截面栓焊结合钢管桁架拱肋加工制造施工技术

Large-span arch truss steel bridge is a common superstructure of trestle bridge on open sea.

大跨度拱桁式钢引桥是外海开敞式深水码头栈桥常用的上部结构型式之一。

It is safe and feasible to concrete the main arch-circle by steel arch truss.

证明了本桥主拱圈浇筑采取贝雷钢桁钢架是安全可行的。

Construction of curvature-adjustable arch truss

吴家嘴大桥可调曲率桁式拱架施工设计

Shaking table test study of single-storey industrial building with RC NON-WEBBING arch truss

无腹杆钢筋混凝土拱型屋架单层厂房振动台模型试验研究

Lifting of Steel Pipe Arch Truss Segment of Main Bridge of Wuhan Jianghan No.3 Bridge

武汉市江汉三桥主桥钢管拱桁架节段吊装

Stress Analysis and Optimization Design for Anchor Area of Arch Truss of Oblique-Span Steel Arch Bridge

斜跨钢拱桥拱肋锚固区受力分析及设计优化