1) continuous box girder bridge
连续箱梁桥
1.
Analysis of local stress under the anchorage of a continuous box girder bridge in casted side spans;
某连续箱梁桥边跨现浇段锚下局部应力分析
2.
Calculating model determining increasing coefficient of internal forces for continuous box girder bridges;
连续箱梁桥内力增大系数的计算模型
3.
The analysis on the cause of cracks in pre-stressed concrete continuous box girder bridge and the long-period monitoring;
预应力混凝土连续箱梁桥裂缝成因分析及其长期监测
2) continuous box beam bridge
连续箱梁桥
1.
Experimental research on static load and live load of pre-stressed concrete continuous box beam bridge;
预应力混凝土连续箱梁桥静、动载试验研究
2.
Dingpuhe Bridge is a continuous box beam bridge with 75 m main span.
淀浦河大桥是一座主跨 75m的连续箱梁桥 ,采用挂篮对称悬臂浇注。
3) continuous box-girder bridge
连续箱梁桥
1.
Causes of the crack commonly appeared in pre-stressed concrete continuous box-girder bridge and its control;
预应力混凝土连续箱梁桥常见裂缝成因与控制
2.
Reinforces a prestressed concrete continuous box-girder bridge comprehensively according to its damage situation by the means of planting reinforcing bar,enlarging efficient section,cleating and pasting steel plate and forcing external prestressing tendons.
根据预应力混凝土连续箱梁桥的病害情况,通过植筋、增大结构有效截面、栓贴钢板、施加体外预应力束等方法,对某预应力砼连续梁桥进行综合加固,实践证明,该桥的加固方法是有效的。
3.
Based on this procedure,the load-carrying capacity of a 9-span prestressed concrete continuous box-girder bridge,namely Shenzhen Songgang Overhead Bridge in the No.
利用该方法评估了107国道深圳松岗高架桥九跨预应力连续箱梁桥的承载力,结果表明:该桥边跨满足设计荷载的使用要求,但中跨的承载力严重不足,需要对桥梁结构进行加固。
4) continuous box girder
连续箱梁桥
1.
From control continuous of prestressed concrete continuous box girder of FuYang,discuss the goal、content、stress monitor、linearity monitor、temperature monitor of continuous box girder of control continuous.
通过阜阳某大桥的45 m+80 m+45 m三孔预应力混凝士连续箱梁的施工控制,探讨了连续箱梁桥施工控制中,施工控制的目的、内容、线性、应力及温度的监控。
2.
In order to find out the causes of cracks appearing in slab of the girder during the construction of prestressed concrete continuous box girder, monitoring technology with optical fiber was used for the monitoring of the course of prestressing, and the finite software ANSYS was adopted to simulate and calculate the structure.
为了找出预应力混凝土连续箱梁桥施工过程中,腹板有可能出现斜向裂缝的原因,运用光纤技术对预应力张拉过程进行监测,并利用有限元软件ANSYS对结构进行模拟分析。
3.
Based on constant cracking situation of PC continuous box girder brid ges, the paper analyses the cause of cracking formation in design and constructi on.
本文针对预应力混凝土连续箱梁桥的常见裂缝类型,从设计和施工两个角度分析了腹板斜裂缝、纵向裂缝、横向裂缝以及底板预应力钢束下的砼保护层劈裂的产生原因,并提出了设计方面的抗裂措施和施工阶段裂缝控制要点。
6) continuous curved box girder bridge
连续弯箱梁桥
1.
Correct identification of displacement parameters of continuous curved box girder bridge which helps to evaluate the displacement field and stress field effectively and structure prediction was analyzed.
为了有效评估和预测弯箱梁桥位移场、应力场,进行了连续弯箱梁桥位移参数的识别,推导了连续弯箱梁桥位移参数的Kalman滤波方程,同时基于Novozhilov-柔度理论,给出了弯箱梁桥位移参数Kalman滤波识别的具体步骤。
2.
The calculating model for analysis of continuous curved box girder bridges by plan element computer program is established.
建立了应用平面杆系有限元法计算程序分析连续弯箱梁桥的计算模型 ,并且还引入了应力增大系数来计入约束扭转产生的效应。
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