查询词典 tubular girder

Starting from the basic concept and principle of reliability theory, some methods of reliability analysis and calculation for structural members and systems are discussed in seme detail m this paper, On the basis of others'research achieements , the method for calculating the reliabillity of continuous PPC girder bridge system is deduced from the probability of failure,In accordance with the test resuIts of 14 two-span continuous PPC model beams , obtained from the rescarch project,A study on the plastic ...

本文从可靠度理论的基本概念和原理出发，主要论述了结构杆件和系统可靠性分析和计算方法。在前人研究的基础上，利用失效概率推导出连续梁系统可靠指标的计算方法，本文还根据高等学校博士学科点专项科研基金资助项目《大跨度预应力混凝土桥塑性行为的研究》所进行的十四片两跨混凝土连续梁桥模型试验的数据算出各梁承载能力的系统可靠指标。

The method of calculating transverse distribution of loads of separative box-girder bridge exist difference and the irregular plasticity in the designing.

分体式箱梁桥荷载横向分布的计算方法在设计中存在差异性和不规范性。

Along with the popularization and application of separative box-girder, people already not solely requested the structure analysis to be able to reflect the actual situation, hoped could obtain the satisfactory result quickly and economically.

随着分体箱梁结构在桥梁工程中的普及应用，人们已经不单单要求结构分析能够反映实际情况，更希望能快捷、经济地获得满意结果。

In this paper we discuss the rea sonable structural form about curved girder bridges in high-speed railway.

本文讲述的是高速铁路曲线梁桥支座布置形式的一些研究工作和相关结论，主要包括支座布置形式和约束方式的影响。

Ab stract : Continuous slabΟdeck is an important structural measure for simplyΟsupported girder bridge , but it is easy to be damaged and difficult to be repaired which is a common problem of simple supported beam highway bridge.

桥面连续构造是简支桥梁的一个重要构造措施，但很容易损坏，且易损难修，是公路简支桥梁的通病。

To arrange the prestressed tendons and anchor devices on the web of box girder conveniently, a theoretical analysis, numerical calculation and model test on local stresses in concrete under anchor devices were performed separately using a typical segmental model, a subrange model and a similar model for the scheme design of Hutiaomen major bridge.

为便于箱梁腹板预应力筋及锚具的布置，结合虎跳门连续刚构桥的方案设计，对特征节段模型、子区域模型和试验模型锚下混凝土局部应力分别进行了理论分析、数值计算和试验研究。

In cross section the total deck width is 1158 ft with the torsionally rigid spine box girder having a width of 39 ft 4 in.

横断面上，桥面总宽115.8英尺，其中具有抗扭刚度的脊骨箱梁宽39英尺4英寸。

Opening out distortion inspect and analyze software, can ascertain base's settlement, peg tip' distortion and the movement of tramroad girder's plane position in course of construction and using.

开发的变形监测与分析系统软件，可以在施工过程中以及工程运营期间对整个工程进行变形监测处理，用以确定基础沉降和桩顶变形以及轨道梁平面位置的变化，从而可以为以后的同类工程建设提供依据。

It indicates that our study on magnetic suspension train has entered advanced cavalcade.In this paper, combining the actual circumstances of precise engineering survey of magnetic suspension train project in Shanghai, the setting and observation of construction network in each course are introduced. The making of tramroad girder is introduced, and the control survey technology of precise regulating is also analyzed in detail.

本文结合上海市磁悬浮快速列车工程精密工程测量的实际情况，介绍了上海磁悬浮工程基础施工控制网的布设、观测，以及各施工放样阶段控制网的布设、观测及精度要求分析，并对轨道梁的制作和轨道梁的精调测量控制技术作了较为细致的分析介绍，最后讨论了磁悬浮工程变形监测的方法。

At last, the paper discusses distortion detection methods of Magnetically Suspension Train project. With VisualBasic6.0, we opens out naturalization layout and precision assessing software which can compute layout data and assess precision well and truly to guide construction layout conveniently. Thus, the efficiency of work can be heightened. Opening out distortion inspect and analyze software, can ascertain base's settlement, peg tip' distortion and the movement of tramroad girder's plane position in course of construction and using. This can provide bases to later alike projects.

本文在VisualBasic6.0环境中开发的磁悬浮工程归化法放样与精度评定系统软件，在施工放样阶段能比较方便、直观、准确地计算出放样数据并进行精度评定，以指导现场施工放样工作，可以大大地提高工作效率；开发的变形监测与分析系统软件，可以在施工过程中以及工程运营期间对整个工程进行变形监测处理，用以确定基础沉降和桩顶变形以及轨道梁平面位置的变化，从而可以为以后的同类工程建设提供依据。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。