查询词典 tubular girder

It is important for us to make the theoretical calculation of precamber and deflection and obtain manufacture elevation and construction elevation of each girder segment, according to design drawings, construction management plan and prefabricating geometry, at the same time, in the light of different kinds of calculating parameters.

所以对采用悬臂拼装的连续梁桥来讲，在预制梁段阶段对台座的标高进行精确的测量，正确计算桥梁线形高程，根据设计图、施工组织设计以及预制线形，按照各种计算参数，进行预拱度及挠度的理论计算，得到各节梁段制造与施工安装高程非常重要。

The range ratio and phasic difference of concrete box-girder temperature to daily temperature is quantitated.

在温度作用下，3跨变高度预应力混凝土连续箱梁的最不利位置位于中跨跨中截面的顶板下表面处，该位置的温度作用效应最大。

The machining results about a prestressed concrete track girder show that the fitting precision calculated by position fitting algorithm is very close to that by remeasuring all characteristic points of machining line.

对某预应力混凝土轨道梁机加工的结果表明，徐变补偿的定位拟合法的拟合精度与在机加工生产线内再次测量所有特征点所得的拟合精度非常接近。

The basic frequences of the two types of bridges are heightened by increasing vertical curve curvature of stiffening girder, setting vertical supporting members and stiffing connection.

增大加劲梁竖曲线曲率，桥塔处设置竖向支撑和缆梁跨中固结均能提高悬索桥的自振基频。

The simulating calculation of nonlinear analysis of prestressed concrete girder with nobonded tenons which is simply supported has been done in the course of loading, and that is based on the secondary development platform of ANSYS program.

基于ANSYS有限元程序的二次开发平台上实现材料的非线性数值模拟和结构的弹塑性大位移分析，对无粘结预应力混凝土简支梁模型作了全过程仿真计算。

By comparing the value obtained by the ANSYSs calculation with data from experimentation, it arrives at a conclusion that the finite element model of nonlinear analysis of prestressed simple concrete girder with nobonded tenons is accurate and the method of simulant analysis is feasible.

最后，将ANSYS仿真计算结果与试验结果进行比较，表明本文建立的无粘结预应力混凝土简支梁有限元模型的正确性、仿真分析方法的可行性。

It is understand that the performance of prestressed simple concrete girder with nobonded tenons that is under the loading through the simulant calculation of this grider, which is in the way that researching stress, strain, sections distortion, relation of loading-deformation, crack and ect.

通过对有限元模型的全过程仿真分析，考察了无粘结预应力混凝土简支梁的应力和应变的变化状况、截面变形状况、荷载-挠度关系、裂缝变化过程等，从而了解了无粘结预应力混凝土简支梁的受力性能。

The variation of the box girder's stress and strain is discussed according to the results of the different tensioning sequence. And according to the comparison of the simulation results, a reasonable tensioning sequence is given. It will provide reference for the design and construction of similar projects.

从中探讨了在不同张拉次序下箱梁的应力、变形的变化规律，并通过对仿真计算结果进行分析比较，给出了预应力筋的合理张拉次序，可为同类工程的设计与施工提供参考。

Like the girder bridges, there are both simple and continuous trusses.

像梁桥，有既简单又连续桁架。

The composition, function and characteristic of uncapping system are described, and the critical parts of the system are analyzed and calculated by using finite element method. The related action process of the spread of ring-like pressure mine girder and the motion of sail mine is analyzed with simulation interference. Theoretical calculation and simulation interference analysis show that the system can solve four actual problems and meet operational requirement.

介绍了环形压雷梁开盖系统的组成、功能和特征，深入分析了系统作用载荷，着重对系统的特征关键件进行了有限元分析与计算，并对环形压雷梁展开与航行雷运动的关联动作过程进行了详细的仿真干涉分析，理论分析及仿真结果表明，采用本技术能够解决4个方面的实际问题，满足使用要求。

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。