1) prestressed concrete bridge fabrication
预应力混凝土桥制造
2) prestressed concrete bridge
预应力混凝土桥
1.
The vacuum grouting technology used for construction of prestressed concrete bridges is presented.
分析表明,采用真空灌浆工艺是提高后张有粘结预应力混凝土结构安全度和耐久性的有效措施,该工艺在预应力混凝土桥梁中将有广泛的应用前景。
2.
The springing quantum of a prestressed concrete bridge was calculated using the unitive calculation theory of the elasticity-creep of the PC Bridge and finite element method.
利用预应力混凝土梁弹性 -徐变统一计算理论和杆件有限元的知识 ,对某预应力混凝土桥梁的起拱度进行计算 ,并探讨了混凝土徐变系数的变化对该桥起拱度的影响。
4) prestressed concrete continuous bridge
预应力混凝土连续梁桥
1.
This paper used the model for the camber control of the prestressed concrete continuous bridge construction.
将GM(1,1)模型用于预应力混凝土连续梁桥施工中预拱度的控制。
2.
In this paper the authors establish an reliability analytical model of the global stability during the cantilever construction period of prestressed concrete continuous bridges.
建立了预应力混凝土连续梁桥悬臂施工期间整体稳定性可靠度分析模型 ,该模型突破了传统将支座视为理想铰支的简化方法 ,倾覆失效时考虑了偏心受压 ,使设计更为合理 ,并就此模型对各设计变量及参数作了较全面的分析 ,以研究它们对桥梁整体稳定性的影响程
5) prestressed concrete cable-stayed bridge
预应力混凝土斜拉桥
1.
Experiment and submodeling analysis on local stress in main girder of prestressed concrete cable-stayed bridge;
预应力混凝土斜拉桥主梁局部应力子模型分析及试验
2.
Cantilever-casting control of prestressed concrete cable-stayed bridge;
预应力混凝土斜拉桥悬浇施工过程控制的研究
3.
This paper introduces the development tendency and the present situation for prestressed concrete cable-stayed bridge in the highway of home and abroad and systematically disserts the relevant key construction technique
本文介绍了目前国内外公路预应力混凝土斜拉桥现状及发展趋势,系统地论述了其关键施工技术。
6) prestressed concrete bridge
预应力混凝土桥梁
1.
Analysis and computation method of structure for the construction control of prestressed concrete bridge;
预应力混凝土桥梁施工控制结构分析计算方法
2.
The concepts of restraint influence coefficient of steel on the time-dependent effects of prestressed concrete bridges due to creep and shrinkage are present systematically, and the expressions are provided.
系统地提出了预应力混凝土桥梁结构中钢筋对徐变和收缩时变效应的约束影响系数的概念,并给出了影响系数的计算公式,籍此提出了时变效应分析的钢筋约束影响系数法,建立了一套理论公式,可计算时变的钢筋和混凝土应力、应变及梁体竖向变形。
3.
The relationship between stress and strain of concrete in prestressed concrete bridges is written as algebraic form within load duration and the equilibrium equations of internal force and compatibility conditions are introduced.
首先将预应力混凝土桥梁中考虑收缩、徐变影响的任意时刻混凝土应力、应变关系在持荷时段内写成代数形式,引入内力平衡方程及变形协调条件后,提出了计入截面上钢筋位置、配筋率、预应力钢筋松弛、混凝土弹性模量随时间变化等影响的徐变效应分析的全量形式自动递进法,并建立了计算式,适用于任何形式的收缩、徐变特性表达式;基于建立的全量形式公式,可方便地求解任意时刻混凝土、钢筋的应力与应变和梁体竖向变形。
补充资料:预应力混凝土桥制造
见混凝土桥制造。
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