低预应力装配式方钢管拱结构是一种新型的结构型式。
The lower prestressed fabricated arch is a new type of latticed steel structure made up of square steel tubes.
具体介绍大跨度钢管拱桥的拱肋砼灌注施工工艺及操作要点。
This article introduces the construction technology and operating main points of the arch rib concrete poured of the arch bridge of steel tube.
钢管拱桥是近年来使用的新桥型，具有造型美观受力合理的特点。
Steel tubular arched bridge is a new type of bridge with the characteristic of beautiful shape and reasonable stress.
吊索与钢管拱连接节点的设计是系杆拱桥建设中的关键技术难题。
The design of the joints between cable and arch rib is a difficult, but key technological problem in the construction of tied arch bridge.
介绍大桥钢管拱的安装方案、主要施工技术以及施工过程中的线形控制。
In this paper, the erection schemes, principal construction techniques for the steel tube arch and geometry control during erection of the arch of the Bridge are presented.
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。
Combining with the university gymnasium, the deformation of large-span steel tube arch truss during construction is monitored and systematically analysed in this paper.
拉萨河特大桥主桥钢管拱钢管及腹板填充c 50微膨胀混凝土，采用泵送法施工。
The C50 micro-expansion concrete is filled into the steel tube arches and webs of the main bridge of Lhasa River bridge by pumping construction.
结合九畹溪大桥施工实例，详细介绍采用缆索吊分段双肋整体吊装钢管拱施工技术。
Based on the construction of Jiuwanxi Bridge, the paper describes the integral lift and assembly technology of steel tube arch in segment of double rib with cable crane.
采用空间杆系计算模型对包括单根钢管拱肋吊装合龙在内的施工和运营阶段进行稳定性分析。
D FEM analysis model is adopted for the stability analysis in construction including hoisting and closing single steel tubular arch rib and service stages respectively.
在混凝土灌注施工中，钢管拱的结构刚度随着加载施工不断变化，稍有不慎就可能引发工程事故。
Meanwhile, during the process of filling concrete, the stiffness of steel pipe will change according to the quantity of concrete, and any carelessness may result in accident.
主拱为桁架式双拱肋，钢管拱纵向分13段制造，采用无支架缆索吊机安装、钢绞线斜拉扣挂施工。
The steel pipe arch was manufactured in 13 segments vertically, erected by cable crane without support and clasped by diagonal tension steel strand.
通过工程实例，介绍了钢管拱桁架节段吊装施工的方法与原理、施工程序、施工布置及技术要点等。
With practical projects, authors introduce the construction method and principle, schedule, plan and technical points of the lifting construction of steel pipe arch truss segments.
在管道跨越工程中，常用三角形截面组合管拱，由三角形截面桁梁的受力分析图，分析推导出其抗剪刚度。
The pipeline bridge is built up with triangle sections, its shear stiffness can be derived from the stress diagram for the truss with triangle section.
分析了液态混凝土压强对钢管结构的作用，指出了哑铃形钢管拱先圆管后腹腔灌注顺序的合理性，提出了缀板采用对拉杆加固的方案，并分析了对拉杆间距、直径、材质等对缀板位移和应力的影响。
The schemes of reinforcing batten plates by tie bars are put forward and the effects of the space, diameter and types of tie bar on displacement and stress of batten plates are analyzed.
分析了液态混凝土压强对钢管结构的作用，指出了哑铃形钢管拱先圆管后腹腔灌注顺序的合理性，提出了缀板采用对拉杆加固的方案，并分析了对拉杆间距、直径、材质等对缀板位移和应力的影响。
The schemes of reinforcing batten plates by tie bars are put forward and the effects of the space, diameter and types of tie bar on displacement and stress of batten plates are analyzed.
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