1) box curve girder bridge
箱型曲线梁桥
1.
Combining with the actual engineering design,this article introduces the mechanical behavior of the box curve girder bridge.
介绍了箱型曲线梁桥的受力特点,结合实际工程设计,就曲线梁桥在设计中遇到的实际问题进行了探讨,并提出了解决方法,着重分析了不同支承形式对曲线梁桥受力及变形的影响。
2) irregular curved box girder bridge
异型曲线箱梁桥
1.
The design and computation of prestressed irregular curved box girder bridges which are commonly used on city overpasses and interchanges were analyzed.
对城市高架桥和立交桥中经常出现的预应力异型曲线箱梁桥的设计和计算进行了分析和研究,结合实际工程,指出了该类桥梁在设计时应着重注意的问题和采取的构造措施,提出了适合该类桥梁设计计算的方法,提出了符合梁格截面划分原则的计算公式,并结合实际利用FORTRAN语言编制了梁格截面的自动划分和截面特性计算程序,利用该程序可以直接生成符合相关计算软件命令格式的截面参数文件,省去了梁格试分和大量截面特性计算的繁琐过程,使得变宽截面的梁格法计算不再费时费力,实践证明利用该设计计算方法可以效率较高的获得满足工程精度要求的计算结果,对于此类桥梁的计算和设计具有一定的指导意义和工程实用价值。
3) curved box girder
曲线箱梁桥
1.
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。
4) curved box-girder bridge
曲线箱梁桥
1.
Seismic response analysis on urban overpass curved box-girder bridge
城市立交曲线箱梁桥的地震响应分析
2.
The seismic analysis of a curved box-girder bridge is carried out in the paper.
根据薄壁箱梁的翘曲扭转理论,建立了可以考虑截面翘曲和偏心影响的3维空间曲线箱梁桥的位移模式和能量泛函,利用有限元列式建立了动力方程。
3.
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.
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。
5) curved box girder bridge
曲线箱梁桥
1.
The pre-stressed concrete curved box girder bridge is always in the function of bending-torsion and too much torsion makes it produce bearing empty,roof of girder bridge move,turn,crack and take off,as well as making it run in abnormality.
预应力混凝土曲线箱梁桥始终处于弯扭耦合作用的状况下,扭矩过大时会使曲线箱梁桥产生内侧支座脱空、梁体外移、翻转、裂缝和崩脱等病害,严重影响曲线箱梁桥的正常运行。
6) curved girder bridge
曲线箱梁桥
1.
Aiming at bearing separation of the arc curved girder bridge in engineering field,using certain bridge overpass ramp in Fuzhou as the research subject,this article uses the space finite method to analyze the effect of various central angles and bearing arrangement on bearing reaction of arc curved girder bridge.
针对目前工程中出现的圆弧曲线箱梁桥支座脱空的现象,文中以福州某大桥立交匝道为工程背景,采用有限元法分析了不同圆心角和不同支座布置情况下,该曲线连续箱梁桥支座反力的变化规律。
2.
By FEM the bearing reaction force and displacement of the curved girder bridge are thoroughly analyzed under different loading effects and various bearing arrangements.
为避免预应力混凝土曲线连续箱梁桥在预应力、外部荷载作用下发生支座脱空的现象,以某互通匝道桥为典型工程,应用空间有限元法,在不同荷载、不同支座布置形式下,分析曲线箱梁桥的支座反力和位移,探讨合理的支座布置形式。
补充资料：ANSYS壳单元分析箱梁
! Analysis a box beam section with shell elements of ANSYS
! 用ansys的壳体单元分析箱梁
! Box dimension: 10*4*4m with shell thickness of 0.04m
! By Lu Xinzheng, Depart. Civil Engineering, Tsinghua University, Beijing
! 陆新征，清华大学土木系
! Aug. 2004
! Define the Element
! 定义单元
/PREP7
!*
ET,1,SHELL93
!*
! Define the section for shells
! 定义壳单元截面
R,1,.04, , , , , ,
!*
! Define the material
! 定义材料
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,200e9
MPDATA,PRXY,1,,.3
! Setup the model
! 建模
! Define the keypoints
! 定义关键点
k,1,0,0,0
k,2,4,0,0
k,3,4,4,0
k,4,0,4,0
! Define the lines
! 定义线
l,1,2
l,2,3
l,3,4
l,4,1
! Define the section area
! 定义截面
a,1,2,3,4
! 用ansys的壳体单元分析箱梁
! Box dimension: 10*4*4m with shell thickness of 0.04m
! By Lu Xinzheng, Depart. Civil Engineering, Tsinghua University, Beijing
! 陆新征，清华大学土木系
! Aug. 2004
! Define the Element
! 定义单元
/PREP7
!*
ET,1,SHELL93
!*
! Define the section for shells
! 定义壳单元截面
R,1,.04, , , , , ,
!*
! Define the material
! 定义材料
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,200e9
MPDATA,PRXY,1,,.3
! Setup the model
! 建模
! Define the keypoints
! 定义关键点
k,1,0,0,0
k,2,4,0,0
k,3,4,4,0
k,4,0,4,0
! Define the lines
! 定义线
l,1,2
l,2,3
l,3,4
l,4,1
! Define the section area
! 定义截面
a,1,2,3,4
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条