查询词典 girder

This paper gives an account of the construction schemes for superstructure of the main bridge of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge,including various techniques having been applied to the pylon construction,steel girder erection,stay cable and deck slab installation,and pylon and steel girder parallel construction.

介绍武汉天兴洲公铁两用长江大桥主桥上部结构施工方案，包括主塔施工、钢梁架设、斜拉索安装、桥面板安装以及塔梁同步施工技术。

Compiled procedure based on the overall geometric dimensions and load parameter of DXZ32/900 downward-borne self-propelled mobile framework template and concrete girder with the secondary development tool APDL of ANSYS, achieved the aim of generating finite element model and imposing load of the template and concrete girder automatically,finally,calculated the counterforce of the outer-mould and rod.

利用ANSYS二次开发工具APDL，依据DXZ32/900下承自行式移动模架模板及混凝土梁整体的几何尺寸和荷载参数编写程序，实现了模板和混凝土梁有限元模型的自动生成、荷载的自动施加，并得出外模及撑杆的支反力。

But quite amount of cracks are found during the construction and operation in the PC box girder bridges, especially cracks in the anchorage zone and the inclined cracks in the box girder webs of the bridges, and some longitudinal cracks appear indeed in the deadweight phases,Moreover the variant Pre-stressed strand arrangements produce great influence for the inner inforce of the b

但目前在用预应力混凝土箱形梁的施工和运营过程中出现相当数量裂缝病害，尤其是箱梁锚固区裂缝、腹板斜裂缝，顶板纵向裂缝，有的甚至在未承受活载的自重阶段就出现裂缝，而不同的预应力布束方式对箱梁内力有很大的影响。

When vertical distance at mid-span between tendons and neutral axis of the girder is increased, the stiffness of the girder is also increased.

钢索在跨中的垂度越大对钢箱梁刚度的提高越大。

As high speed development of the traffic industry, the need for long span pre-stressed concrete continuous curved box-girder bridges in construction of highways, urban overhead crossings and viaducts is bigger and bigger. But the existing computing method cant satisfy the precision demand hi analysing long span curved box-girder bridges.

随着交通运输事业的蓬勃发展，由于高速公路、城市立交桥和高架桥的日益增多，大跨度曲线箱梁桥的应用需求越来越大，而现有的简化计算方法对于大跨度曲线箱梁桥的计算分析尚存在一定的困难。

Against the curved box girder bridges in highway bridges and urban viaducts,the curved grillage model of the multi-cells curved box girder is built in terms of the shear-flexible grillage method,and the analysis for the vehicle-bridge interaction is performed.

针对公路和城市立交中的曲线箱梁桥，基于剪力柔性梁格法建立了曲线箱梁的梁格模型，进行了车桥相互作用分析。

In fact, multi-box girder bridge is different from T-beam multi-girder bridge. First, transverse distribution of load is influenced quite with the closed box beam; Secondly, as a simply-supported—continuous system, its 3-d structure behavior is remarkable, especially for a continuous skew bridge.

事实上，多箱式桥梁与T梁桥有很大的不同，其一是作为主要承重构件的梁为闭口箱梁，对荷载的横向分布有较大的影响，其二是采用先简支后连续的体系及桥面板的现浇湿接缝连接，其空间受力特征非常显著，对于具有斜交角度的桥梁更是如此。

Through analyzing Gaya prefabricated box girder bridge, a comprehensive summary of production from the box girder pedestal, vertical mold, concrete pouring, to the tensioned prestressed steel beams, grouting, sealing anchor the whole process of construction technology, providing the corresponding construction methods, concrete mix, vibrated time, and prestressed tension and other technical data.

通过对嘎呀河大桥箱梁的预制，全面总结了从箱梁台座制作，立模，混凝土浇筑，到预应力钢束张拉、灌浆、封锚全过程的施工工艺，提供了相应的施工方法、混凝土配合比、振捣时间和预应力张拉等各种技术数据。

Through analyzing Gaya prefabricated box girder bridge, a comprehensive summary of production from the box girder pedestal, vertical mold, concrete pouring, to the tensioned prestressed steel beams, grouting, sealing anchor the whole process of construction technology, providing the corresponding construction methods, concrete mix, vibrated time, and prestressed tension and other technical data.

预应力混凝土箱梁预制施工技术及质量控制，工程建筑论文，工学论文通过对嘎呀河大桥箱梁的预制，全面了从箱梁台座制作，立模，混凝土浇筑，到预应力钢束张拉、灌浆、封锚全过程的施工工艺，提供了相应的施工方法、混凝土配合比、振捣时间和预应力张拉等各种技术数据。

Since temperature stress in plate wall box girder is largely produced for changes of temperature at the period of construction, therefore, it is needed to research temperature stresses in plate wall box girder.

由于在施工过程中厚壁混凝土箱梁产生的温度应力比较大，因此有必要对厚壁混凝土箱梁的温度应力进行分析研究。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。