1) skew box girder
斜箱梁
1.
Backgrounded by a skew box girder bridge in Guangdong Province,the method for construction of assembled skew box girder structure by stages is put forward and the model test study is made for the box girders constructed by the method and by the integrally casting method.
以广东省某一斜箱梁桥为工程背景,提出分阶段施工合成箱梁结构的施工方式,并对此施工方式的箱梁桥和整体浇注的箱梁桥进行模型试验研究。
2) skew box girder
斜交箱梁
1.
Three-dimensional simulation calculation of skew box girder and static load test;
斜交箱梁的三维实体仿真计算及其静载测试
2.
Using CB shell element and layered model,the behaviors of cracking,yielding and destroying procedures of a three-span PC continuous skew box girder are analyzed considering the material and the geometry nonlinearity.
基于CB壳单元,采用层状模型模拟预应力混凝土结构,考虑材料和几何双重非线性效应,有效地模拟了三跨连续斜交箱梁的开裂、屈服和失效的全过程。
3.
Based on shell63 element of ANSYS,skew box girders with thirty degrees and fortyfive degrees of skew are analyzed respectively to investigate longitudinal and transversal distributions of shear lag effect under concentrated or uniform force,and they are compared with the corresponding right box girders.
运用ANSYS程序中的shell63单元,分析了集中荷载、均布荷载作用下斜度为30°和45°的斜交箱梁剪滞效应的纵、横向分布规律,并与相应正交箱梁进行了比较,结果表明,跨中断面的剪滞系数随着斜度的增大变化不明显。
3) skew box girders
斜交箱梁
1.
Differences between the results of test and the 3D FEM analysis with two cases of orthogonality and skew were discussed, and the dynamic properties of skew box girders bridge were explored.
简述了斜交桥在我国的应用和发展概况,通过对我国京沪高速铁路设计中的一座3跨预应力混凝土斜交箱形连续梁桥缩尺模型的试验研究,得出斜交箱梁的固有频率、振型及模态阻尼比等结构动力特性,比较了正交、斜交箱梁的固有频率、振型的差异,结合空间结构分析结果,探讨了这种桥型的结构特性。
2.
We discuss the difference between the results of test and 3D FEM analysis with two cases of orthogonality and shew,and explore the dynamic properties of skew box girders.
通过对我国京沪高速铁路设计中的一座三跨预应力混凝土斜交箱形连续梁桥缩尺模型自振特性参数的测试 ,比较了正交、斜交箱梁的固有频率的差异 ,通过与空间结构分析结果的对比 ,最后讨论了斜交箱梁的动力性
4) warren box girder
斜腹箱梁
1.
Through contrast analysis of stress value,the paper found warren box girder can improve prestress and precompression of prestress concrete box girder under border and box girder bearing capacity,reduce the distribution of prestress wire,saving construction quantity.
通过对同等条件的直腹箱梁和斜腹箱梁的应力值对比分析，提出将直腹箱梁改为斜腹箱梁后，可以提高预应力混凝土箱梁下缘的预压应力，提高箱梁承载力，降低预应力钢绞线的配置，节省工程数量。
5) ramp box girder
斜腹板箱梁
6) cable-stayed bridge with steel box girder
钢箱梁斜拉桥
1.
In this paper, some key problems of applying incremental launching in cable-stayed bridge with steel box girder are studied and discussed, for the design and construction of bridges alike.
而钢箱梁顶推施工近期应用日益广泛，但是理论研究却滞后于工程设计实际，因此，本文选择钢箱梁斜拉桥顶推施工的关键问题进行分析，为同类桥梁的设计和施工提供参考。
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