查询词典 tubular girder

In this paper, Plate Girder Element and Virtual Laminated Element were used to analyze P.

中文题名预应力混凝土斜拉桥施工控制研究副题名外文题名 Construction control study of P.C.cable-stayed bridge 论文作者施笃铮导师徐兴项贻强教授学科专业结构工程研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2002 论文页码总数123页关键词预应力混凝土斜拉桥施工控制斜拉桥桥梁施工馆藏号BSLW /2002 /U448 /36 本文用平面杆系理论和空间虚拟层合单元法，在对预应力混凝土斜拉桥整桥结构进行分析的基础上，用正装迭代法对该斜拉桥进行分阶段施工仿真分析；又通过建立有约束的非线性优化模型，对预应力混凝土斜拉桥的施工控制参数（初始张拉索力和立模标高）及成桥状态进行优化，进而建立预应力混凝土斜拉桥施工控制系统。

Lower part of stem to be of bulbous bow, upper part to be of raked type and consists of girder and plate.

首柱下部为球鼻首，上部为倾斜首柱，由桁材和板组成。

Superstructure design, first determine the type of bridge, structural design, the choice of beam layout and positioning, the bridge is used in assembly-prestressed concrete simple hollow plate girder bridge, followed has been set in accordance with the structural design and calculation with Tendons.

上部结构设计中，首先确定桥的类型，构造的设计，梁板布置的选择和定位，本桥采用的是装配式预应力混凝土简支空心板梁桥，其次根据已定的结构设计和计算配筋。

Finally, according to the dynamic assessment of nine typical RC simple bridges (five T-beam bridges and four plate girder bridges), the reliability and applicability of the analytical method and program in the article is verified.

最后通过九座典型公路钢筋混凝土简支梁桥(五座T梁桥、四座板梁桥)的动力法评定验证了本文分析方法及程序的可靠性和适用性。

The experimental results for the mid-span, a quarter span deflections, bottom plate strain of the steel girder, and the tension incremental of tendons are observed in good agreement with the theoretical calculations. This confirms the validity of the presented formulations.

采用有限元方程进行理论计算所获得的数据，如钢梁的跨中和1／4跨的挠度，底板应变和钢索的张力增量等均与预应力钢梁模型的试验结果符合良好，这表明了本文所推导的方程的有效性和正确性。

Cable-stayed bridge ; steel box girder ; ear plate ; model test

斜拉桥；钢箱梁；耳板；模型试验

Setting the spanning road bridge of the private line of Wulin railway as the example,it introduces the construction methods of post-tensioning method hollow plate girder ,and analyses the reasons of common problems,puts forward the preventing steps of the problems,gives a guiding means to the similar projects.

以五麟铁路专用线上跨公路桥为例，介绍了后张法空心板梁的施工方法，并对常见问题产生的原因进行了分析，提出了处理这些问题的预防措施，对今后同类工程具有一定的指导意义。

The longitudinal girder forms part of the parapets.

纵梁成为栏杆的一部分。

This paper explained the construction technology of the bearing replacement for quasi-continuous T-girder bridge and analyzed the causes of bearing disease.

本文着重介绍准连续 T型梁桥支座替换工程施工技术，并分析支座病害原因。

Bridge engineering ; central-slotted box girder ; wind tunnel test ; flutter performance ; CFD numerical simulation ; flutter control

桥梁工程；中央开槽箱梁；风洞试验；颤振性能； CFD数值模拟；颤振控制

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。