组合梁桥 meaning in Chinese
composite beam bridge
Examples
- More than ten preflex composite beam bridges were designed and analyzed with this method , and excellent results were obtained
利用该方法已完成了十余座预弯组合梁桥的设计分析，取得了良好的计算结果。 - The main research a chievements are as the followings : ( 1 ) establishment of the 3d - fem models of the continuous composite bridge and the rigid node of the continuous hybrid bridge relatively exact 3d - fem models of the continuous composite bridge and the rigid node of the continuous hybrid rigid frame bridge are established through msc / nastran and msc / patran
主要研究成果如下： ( 1 )连续组合结构桥梁和复合结构桥梁刚节点的3d - fem计算模型的建立应用msc nastran和msc patran建立了较精确的连续组合梁桥和连续复合刚构桥刚节点的三维有限元计算模型。 - Consequently time and cost can be saved greatly . ( 3 ) design method for controlling cracks in the negative moment zone of the continuous composite girder the crack mechanism of the concrete deck in the negative moment zone of the coniinuous composite girder , the relationship between the crack and the int
分析认为，采用中间支点升降法与调整混凝土板施工顺序相结合的施工方法，不仅可以避免负弯矩区混凝土裂纹，还可以合理调整钢梁和混凝土板的内力，并使端支点与中间支点反力更均匀，使组合梁桥的结构更加经济合理。 - Hence , on the basis of research achievements of other countries , the mechanical characteristics of the statically indeterminate composite bridge is analyzed in this thesis by utilizing the large universal finite element software , msc / nastran and msc / patran , to promote the application and development of the composite bridge in china
为此，本文在总结各国研究成果的基础上，利用大型通用结构分析程序msc nastran和msc patran ，对超静定组合梁桥的受力特性进行了分析研究，目的是推动这一结构形式在中国的应用和发展。 - In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably , this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam . on the basis of above works , this thesis improves computation method in analysis of railway preflex composite beam on sectional stress , deflection of mid - span , crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas " , which is adapt to railway bridges in our country . moreover it makes a primary research in construction techniques and structure measures
为了迅速促进预弯组合梁在我国铁路桥梁中的发展，合理地进行我国铁路预弯组合梁桥的设计和施工，本文结合铁道部科技研究开发项目“铁路预弯组合梁的实验与应用研究” ，在总结以往对预弯组合梁力学性能研究成果及实际工程的基础上，完善了铁路预弯组合梁的截面应力、跨中挠度、裂缝宽度和抗剪分析的计算方法；编制了适用于我国铁路桥梁的“预弯组合梁桥结构分析系统? ? pfsas ”软件；并对预弯组合梁的施工工艺及构造措施进行了初步探索。