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- Appropriate calculations are important for girder bridges under the action of horizontal loads in engineering. 在水平荷载作用下,梁式桥的合理计算在工程中具有较大的意义。
- Manual single girder bridge crane is a crane. 手动单梁起重机是桥式起重机的一种。
- Excessive midspan lag is one of the main problems of large span prestressed concrete girder bridges. 跨中下挠过大是大跨预应力混凝土梁桥的常见病害。
- It can give the interal forces of any section and its envelope for middle diaphragm of rigid-jointed girder bridges. 它可给出刚接梁桥中横隔梁在任意截面的内力及其内力包络图。
- Girder Bridge is still the main type of bridges in highway construction now. 梁桥仍然是公路建设的主要桥型。
- NI Yuan-zeng,QIAN Yin-quan.Analysis of Thinwalled Elastic Box Girder Bridges[M].Beijing:China Communications Press,1988. [9]倪元增;钱寅泉.;弹性薄壁梁桥分析[M]
- Through FE analysis of local area for four continous box girder bridges, the necessity of three dimensional analysis of prestress effects is proved. 经过对四座连续梁桥整体及局部的有限元仿真分析,认为对大跨度预应力混凝土箱梁桥进行基于空间应力状态的预应力效应分析是很有必要的;
- Based on coordinating relations of steel and concrete, the grillage structure finite-element method was adopted to analyze the space mechanical effect of curved girder bridges. 本文针对曲线梁桥空间力学分析的复杂性,提出了采用基于钢混协作关系的格栅结构有限元法来分析曲线梁桥的空间力学效应。
- Abstract: At present, main problems of large span prestressed concrete girder bridges in our country are excessive midspan lag and cracks in box girder. 摘要: 目前国内大跨径预应力混凝土梁桥存在的主要病害是跨中下挠过大和箱梁梁体裂缝。
- The new trend of CFRP prestressed concrete girder bridges is the adoption of internally bonded CFRP tendons combined with externally unbonded CFRP tendons. 碳纤维预应力混凝土梁桥的最新发展趋势,是采用体内先张有粘结碳纤维筋与体外后张无粘结碳纤维筋相结合的预应力配筋措施。
- The displacement demands of symmetric and asymmetric continuous girder bridges in longitudinal direction are studied, and then a DBSD method is proposed, an example is given. 分别对纵桥向对称和不对称的连续梁桥的固定墩墩项位移需求进行了研究,在此基础上提出了连续梁桥纵桥向基于位移的抗震设计方法,给出了该方法的算例。
- In modern highways and urban overpasses, curve girder bridge were used widely. 在现代的高等级公路及城市立交中,曲线梁桥的应用日趋广泛,准确地把握其受力和变形特性对曲线梁桥的建设、运营和进一步发展都具有重要的意义。
- Dynamical Response Analysis of Continuous Girder Bridges Due to "Vehicle-skip at Bridge Heads". "桥头跳车"对连续梁桥动力响应的影响分析。
- In this paper a perceptible and figurative spring model is described to analogize the internal relationship of combined actions in thrust resistances of multiple span girder bridges. 本文以直观、形象的弹簧系结构模型,来比拟多孔梁桥抗推联合作用的内在关系。
- Abstract : Construction control of auxiliary channel continuous girder bridges of Donghai Bridge is briefly introduced. 摘要: 对东海大桥辅通航孔连续梁桥的施工控制作了简要介绍。
- Construction control of auxiliary channel continuous girder bridges of Donghai Bridge is briefly introduced. 对东海大桥辅通航孔连续梁桥的施工控制作了简要介绍。
- The mechanical properties of a skew girder bridge differ a great deal from those of an orthogonal girder bridge. 斜梁桥的力学特点与正交梁桥相比有很大区别。
- Based on simple vehicle model and simple continuous girder bridge model the vehicle-bridge interaction model is make. 摘要参照简化的车辆模型和桥梁模型,建立了车-桥相互作用的数学模型。
- In the history of bridges in China, the famous Xiang Zi Bridge in Chaozhou is a unique one which concentrates the features of arch bridge, girder bridge and floating bridge. 历史名桥潮州湘子桥,是中国桥梁史上唯一的一座集梁桥、拱桥和浮桥于一体的桥梁。
- The Shiyang River Bridge in Yunnan is a simply-supported reinforced concrete girder bridge with six spans and two traffic lanes. 摘要石羊江桥是一座6跨、简支钢筋混凝土梁桥,双车道。