查询词典 T-beam bridge

Three spans continuous beam bridge section divisions and the box beam lateral section size sketch.

三跨连续梁桥的梁段划分和箱梁横截面的尺寸拟定。

Stress distribution of tower beam joint region of the Liuyanghe bridge is analysed by use of the spatial FEM with the shell,beam and brick element.

采用板、梁及三维实体单元相结合，对长沙市浏阳河洪山庙大桥塔梁根部区域进行空间有限元分析。

Adaptive control theory,structural parameter identification and error analysis are used to control the construction of pre-stressed-concrete cantilever casting bridge.The construction camber for main beam can be determined by BP artificial neural network.The deflection of main beam should be tested persistently.

对于采用悬臂浇筑施工方法的预应力混凝土桥梁，运用自适应控制理论进行结构参数识别和误差分析；利用BP人工神经网络确定主梁预拱度；在施工过程中对主梁挠度进行连续监测。

Based on the crack control criterion, the deflection control criterion in ultimate state of service and the strength control in the ultimate state of load-carrying capacity and the nominal steel percentage of section of beam, the formulas for the calculation of the control moment capacity of T-beam and bridge under the limiting deflection condition、the limiting cracking condition and the ultimate strength state were given, respectively.

在提出名义配筋率概念的基础上，基于结构正常使用极限状态的变形控制、裂缝控制，承载能力极限状态下的强度控制，推算不同极限状态下被预测梁的控制弯矩，并建立了桥梁结构承载能力预测方程，从而完成桥梁结构实用动力预测全过程。

F iber B ragg grat ing st rain senso rs w ere characterized and embedded into the p re2 st ressed concrete beam of HuL an river bridge. Embedding techniques and p ro tect ivemethods suitable fo r civil engineering w ere p resented. W ith FBG senso rs, internal st rains of the concrete beam w ere deter2 m ined during the st ressing p rocess.

采用与土木工程施工特点相适应的传感器安装工艺与保护方法，将光纤B ragg 光栅埋于正在建设的呼兰河大桥预应力箱梁中，测量了预应力张拉过程中混凝土结构内部的应变变化。

Impact factors of a simply supported beam, a three-span continuous beam and a cable-stayed bridge are evaluated and compared with various models of vehicle and various speeds of train.

选取简支梁桥、连续梁桥及斜拉桥等3个实例，在各种车辆模型及各种车辆速度作用下，对桥梁的冲击系数进行了全面的计算和比较。

When train running on the track, there has interaction between whiles and track, and the track will bend because of the weight of wheel. The bend wave will propagate to box-beam and further to bridge pier. Then the vibration propagate to around soil through the bridge pier, which can cause the second vibration on buildings.

列车运行时，车轮和轨道间存在着相互作用，由于轮重的作用使轨道产生弯曲变形，弯曲波通过轨道垫块传给箱型梁，进一步传递给桥墩，然后振动通过桥墩向周围土中传播，从而进一步引发建筑物的二次振动。

In order to guarantee main beam scabbed bridge long-term secure use, I systemly research stress instance of new and old bridge joint face.

为了保证主梁拼接的桥梁长期安全的使用，对拓宽后桥梁的主梁及新旧主梁连接面的受力情况进行系统的研究。

A typical ferroconcrete beam bridge is taken as a study object and a grading damage model of bridge is established according to the basic analysis such as structure characteristics and load, and construction material.

该模型以典型钢筋混凝土梁式桥为研究对象，以桥梁的结构特征和载荷及建筑材料等基本层面的分析为依据建立桥梁毁伤等级划分模型。

By a actual engineering example in Leikou bridge , the design of prestressed concrete T-frame bridge hanging a beam.

通过磊口大桥工程实例，对带挂梁的预应力混凝土T型刚构桥的设计进行总结。

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。