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- Manual single girder bridge crane is a crane. 手动单梁起重机是桥式起重机的一种。
- At last, the stress condition of the CSW box girder bridge over Yong Xin River of Ningbo is analyed with a general finite element program. 最后以宁波甬新河波形钢腹板箱梁桥为背景,运用大型通用有限元程序对该桥进行了成桥状态的应力分析。
- MIRAMBELL E, AGUADO A.Distribution of temperature and stress in concrete box girder bridge [J].Journal of Structural Engineering, 1990, 116(9): 23882409. 刘耀东;陈祥宝.;采用人工神经网络求解箱梁温度场算法研究[J]
- 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。
- The project of Xixiaoping Bridge(DK107+921.80) was chosen as pre-stress concrete continuous box girder bridge,whose span is 48 m+80 m+48 m. As the bridge located in the seismic area of 7 degree,the seismic design should be made. 石太客运专线的西小坪大桥主桥(DK107+921.;80)采用预应力混凝土连续箱梁方案;桥跨布置为48 m+80 m+40 m;位于七度地震区;需要进行抗震设计
- This paper sets Jinbin Aerial Railway Engineering Project as an example and thethree-span prestressed concrete continuous box girder bridge is selected as theexperimental beam in the research. 本文就以津滨轻轨工程为例，在津滨轻轨上选定了一座三跨预应力混凝土连续箱梁作为本研究项目的试验梁。
- According to the structural properties and the vibration displacement of the box girder bridge, the element space damping matrix of the box girder bridge is derived on the principle of energy. 根据箱梁桥的结构特点及振动过程中的位移，由能量原理演绎出箱梁桥空间振动的阻尼矩阵，给出了阻尼矩阵的显式表达式，可供工程实际应用。
- It is very important for the engineer to master the principle and the calculation method that plane-curved tendon brings with, and construct the safety , economic, beautiful curved box girder bridge. 因此,工程师们必须认识到扭矩分析的重要性,并掌握预应力钢束对混凝土曲线箱梁产生扭矩的原理及计算方法,建造出安全、济、观的曲线梁桥。
- 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。
- 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。
- 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]
- 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。
- 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;
- 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。
- 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。
- A kind of establisment method of geometric models for prestressed concrete continuous girder bridge is given, and builds the box-girder constructional geometricmodels. 针对预应力混凝土连续梁桥，提出了一种几何模型的建立方法；建立了箱形梁构造的几何模型。
- In this paper, the plate girder bridge is modeled as an orthotropic plate, and the vehicle is modeled as a group of loads moving on the orthotropic plate. 同时,简支板梁桥又是小跨径桥梁最常用的桥型之一,因此,移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。
- The hanging baskets are the main equipments in the cantilever casting construction of large-scale prestressed concrete continuous rigid bridge and continuous girder bridge. 挂篮是目前大跨径预应力混凝土连续刚构桥和连续梁桥在悬臂浇注施工时主要采用的施工设备。
- Miniscule in scale beside the great girder bridge and the towering hills, a diesel-hauled freight crosses the Dadu River and makes its way southwards towards Kunming. 一列由内燃机车牵引的货车通过大渡河钢梁桥向南方的昆明驶去，在大桥和高山的映衬下，列车显得如此渺小。
- Uncertain factors in construction of continuous girder bridge such as side span joint scheme and different balanced cantilever construction speed are analyzed. 对施工中的不确定因素,诸如边跨合拢方案和不同桥墩悬浇进度不一致等进行了分析比较。
