1) box section girder bridge
桥梁闭口箱梁
2) closed thin wall box beam
闭口薄壁箱梁
1.
Calculation method of the inertia torsion moment of the closed thin wall box beam
闭口薄壁箱梁截面扭转惯性矩的计算方法
3) box girder bridge
箱梁桥
1.
Mechanical behavior of box girder bridge with partial corrugated steel webs;
部分波形钢腹板箱梁桥受力特性分析
2.
Research on web cracking control of long span PC box girder bridge;
大跨PC箱梁桥腹板裂缝的控制研究
3.
On the Preventing Measures of the Reinforced Concrete Box Girder Bridge Construction Quality Common Defects;
钢筋混凝土箱梁桥施工质量通病的防止措施
4) curved box-girder
弯箱梁桥
1.
Dynamic analyses and experiment studies on the prestressed concrete continuous curved box-girders;
预应力混凝土连续弯箱梁桥动力特性分析与试验研究
5) curved box-girder bridge
弯箱梁桥
1.
Influence of eccentric support on internal forces of 30° curved box-girder bridges with two spans;
偏心支承对两跨30度弯箱梁桥内力的影响
2.
In this paper,the problem of reaction and torsion of PC curved box-girder bridges was discussed with the space FEM(finite element method) which was used to construct the simulated model,Considering this structure and the factors such as temperature,vehicles etc.
预应力混凝土连续弯箱梁桥容易出现支座脱空和扭转变形过大的问题,针对这一现象,从弯梁桥构造和外界因素等方面着手,采用空间有限元建立全桥仿真模型的方法进行分析,并选取一座曲率半径为60 m的弯梁桥,分析不同支座布置方式下的支座反力和扭转变形等问题。
6) box arch bridge
箱拱桥梁
1.
The application of the spline box arch subdomain in box arch bridge;
样条箱拱段子域在箱拱桥梁中的应用
2.
The dynamic model for analysis of box arch bridges is built by Qin Rong method,this procedure decomposes three dimensional problem into one dimensional problem.
首先利用薄壁箱梁理论及样条有限点法建立了样条箱拱段单元的刚度矩阵、阻尼矩阵及质量矩阵,这种单元考虑了箱拱的拉压、弯曲、扭转、剪力滞、扭翘及畸翘等特性;其次利用QR法(秦荣的方法)建立了箱拱桥梁的动力模型,将三维问题变为一维问题求解;然后利用样条加权残数法建立了求解动力模型的无条件稳定算法,从而提出了箱拱桥梁地震反应分析的新方法。
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