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1)  Precast small box girder
预制小箱梁
2)  precast box girder
预制箱梁
1.
Analysis of high performance concrete construction technical scheme of precast box girders on passenger dedicated lines;
客运专线预制箱梁高性能混凝土施工技术方案解析
2.
On the basis of the construction of precast box girder in urban-urban railway from Beijing to Tianjin, were discussed , which the construction technology and construction plan of the formwork engineering, steel engineering and concrete engineering etc.
结合京津城际轨道交通线预制箱梁施工,探讨了客运专线条件下箱梁的施工过程中的模板工程、钢筋工程、混凝土工程等的施工方案和施工工艺,并对箱梁的检查验收和施工注意事项做了论述。
3.
In Beijing-Tianjin inter-municipal Railway engineering double-track precast box girders are constructed by high performance concrete to satisfy the long-time use of structure as one hundred years.
京津城际轨道交通工程双线预制箱梁要求采用高性能混凝土进行施工,以满足结构使用寿命100年的目标。
3)  precast box beam
预制箱梁
1.
Application of the polycarboxylic high range water reducer on railway precast box beam
聚羧酸系高效减水剂在铁路预制箱梁中的应用
2.
in the construction of precast box beam for reference.
介绍了预制箱梁施工中如何控制质量,防止木芯模上浮,控制张拉、压浆等关键工序等,理论联系实际,有一定实用价值。
3.
The slip method for transporting the precast box beams of Donghai Bridge is adopted in Shanghai municipal deep water harbour engineering.
上海市深水港工程东海大桥 ,上部结构预制箱梁在预制场内采用滑移方式运输。
4)  prefabricated box girder
预制箱梁
1.
70m prefabricated box girder erection for Donghai Bridge;
东海大桥70m预制箱梁架设施工
2.
The paper mainly introduces the elongation calculation method about the prestressed steel strand of prefabricated box girder and the measurement, and discusses the problems that exist in the elongation indicator computation method about steel strand of prefabricated box girder by comparing with the construction of segment in NingHang expressway.
本文主要介绍预制箱梁的预应力钢绞线伸长量的计算方法及张拉伸长量的量测方法,对照宁杭高速公路宜兴一标段预制箱梁的钢绞线伸长量计算方法及张拉量测中出现的问题进行探讨。
5)  prefabricated box beam
预制箱梁
1.
The application of rubber extract pipe on prefabricated box beam in high-speed railway;
橡胶抽拔管在高速铁路预制箱梁中的应用
2.
The adjusting technology of long span prefabricated box beam over small radius curved bridge
小半径曲线桥梁上大跨径预制箱梁的安装技术
3.
The construction of the prefabricated box beam is more difficult than that of the T-shaped beam.
预制箱梁的施工较T型梁难度大。
6)  box beam prefabrication
箱梁预制
1.
Combining with constructing practice,it summarizes box beam prefabrication constructing process from some links,material,constructing craft process,concrete pouring,pre-stressed construction,etc,indicates that you should master technical points of key point working procedure,strictly test every item target on the basis of standard request,consequently to ensure beam board prefabricating quality.
结合施工实践,从材料、施工工艺流程、混凝土浇筑、预应力施工等环节对箱梁预制施工过程进行了总结,指出应掌握关键工序的技术要点,严格按规范要求检测各项指标,从而确保梁板预制质量。
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
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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