1) long-span PC cable-stayed bridge
大跨度PC 斜拉桥
1.
This thesis discusses the geometric nonlinear theory of the bars system and applies the technique of “birth and death element”to the simulation analysis for the long-span PC cable-stayed bridge under construction, which makes modeling job very simple, and date transfer.
本文还论述了大跨度PC 斜拉桥的稳定分析理论,研究了特征值屈曲分析和几何非线性屈曲分析在ANSYS 中的实现方法并对荆州桥在典型施工阶段的两种稳定系数进行对比分析。
2) long-span cable-stayed bridge
大跨度斜拉桥
1.
Problems of geometric non-linear related to long-span cable-stayed bridge;
大跨度斜拉桥中的几何非线性问题
2.
Verification of time-domain buffeting theory and analysis of influence factors for long-span cable-stayed bridges;
大跨度斜拉桥抖振时域分析理论实例验证及影响因素分析
3.
Seismic responses of long-span cable-stayed bridges under different patterns of earthquake excitations;
不同地震激励下大跨度斜拉桥的地震反应分析
3) super-long-span cable-stayed bridge
超大跨度斜拉桥
1.
In order to find out the appropriate lateral seismic constraint system for super-long-span cable-stayed bridges,the seismic responses of super-long-span cable-stayed bridges with three lateral connection systems between side piers and girder were investigated,taking the Sutong Yangtze River Highway Bridge as studying object,and using the nonlinear time-history analysis method.
为了确定超大跨度斜拉桥的合理横向抗震约束体系,以苏通长江公路大桥为研究对象,采用非线性时程分析方法,分析了3种边墩、梁横向约束体系即横向滑动体系、全限位体系和减隔震体系(流体黏滞阻尼器连接体系)对超大跨度斜拉桥地震反应的影响,重点研究了阻尼器的合理设置方式及阻尼器参数。
2.
Due to the accumulation of errors during the cantilevel construction of super-long-span cable-stayed bridges,response under dead load may be stochastic and it can not be reflected by the traditional method of deterministic structural analysis.
针对超大跨度斜拉桥由于悬臂施工过程中各种误差的累积可能使其恒载效应具有较强的随机特性,传统的确定性分析方法不能反映这一重要结构特性的问题,采用Monte Carlo法与有限元法相结合的随机模拟方法,将斜拉桥的梁段自重、张拉索力看成随机变量,进行主跨1 088 m的苏通大桥施工过程随机模拟,研究其恒载效应的频度、均值和标准差。
3.
In the paper,the mechanical characteristics of fluid viscous dampers are discussed firstly,and then the seismic response reduction of a super-long-span cable-stayed bridge by adding fluid viscous dampers is investigated.
基于流体粘滞阻尼器自身的力学特性,分析了附加流体粘滞阻尼器对超大跨度斜拉桥的减震效果,着重分析了阻尼器参数、输入地震动特性(加速度峰值和频谱特性)对减震效果的影响。
4) long-span cable-stayed bridges
大跨度斜拉桥
1.
The elastic-plastic hinge method for analysis of physical nonlinearity of long-span cable-stayed bridges is utilized including geometrical nonlinearity effects in this paper,and ultimate load capacity is also studied when considering several parameters.
通过以一座大跨度斜拉桥作为计算模型,研究各种结构参数对斜拉桥极限承载力的影响,其研究表明,初始内力对斜拉桥极限承载力影响较大;在自重荷载作用下,斜拉桥极限承载力与结构的失效路径有关;几何非线性效应对斜拉桥极限承载力影响不大,斜拉桥达到极限承载力主要由材料非线性引起。
2.
A procedure analyzing geometrical nonlinearity of long-span cable-stayed bridges is proposed considering geometric nonlinear effects based on structural nonlinear finite element equilibrium equation using U.
列式法的结构非线性有限元平衡方程,通过考虑几何非线性效应,建立大跨度斜拉桥几何非线性有限元分析流程。
6) super long-span cable-stayed bridge
超大跨度斜拉桥
1.
To understand the applicability of carbon fiber reinforced polymer(CFRP) cables in super long-span cable-stayed bridges,taking a 1 400 m cable-stayed bridge using steel stay cables as an example,two cable-stayed bridges with CFRP stay cables and same span were designed,in which the cable s cross-sectional area was determined by the principles of equivalent cable strength and stiffness.
为了探讨碳纤维材料(CFRP)索在超大跨度斜拉桥中应用的可行性,以1400 m主跨的超大跨度钢拉索斜拉桥设计方案为例,采用拉索的等强度和等轴向刚度方法,拟定了两座等跨径布置CFRP索的方案桥,分别采用结构三维几何非线性方法、子空间迭代法、空气动力稳定性分析方法以及地震响应的反应谱分析方法,对应用钢索和CFRP索的超大跨度斜拉桥的静力特性、动力特性、抗风稳定性以及抗震性能等进行了分析与比较,并从力学性能角度探讨了CFRP索在超大跨度斜拉桥中应用的可行性。
补充资料：PC/AAS blend PC/ABS
分子式：
CAS号：
性质：物性相似，但老化性能明显改善，长期老化后色泽和强度变化小。韧性好，以具有美丽的珍珠光泽和金属光泽而引人注目，用此种共混物生产的珠光塑料制品不像加入珠光颜料的塑料制品那样具有毒性，所以特别适于制取食品和化妆品的容器或作装饰品。耐热老化性、耐沸水性及耐应力开裂性均比单纯PC高。各生产厂产品性能不同，以Geloy为例，有通用型、高冲击型、高光泽型等品级。高冲击型的拉伸强度46MPa，弯曲模量2100MPa，悬臂梁缺口冲击强度95～106J/m；通用型冲击强度为54J/m，热变形温度(1.82MPa)88℃。用机械共混法制备。可注塑加工各种制品，用于户外耐老化的汽车部件和工业制件。
CAS号：
性质：物性相似，但老化性能明显改善，长期老化后色泽和强度变化小。韧性好，以具有美丽的珍珠光泽和金属光泽而引人注目，用此种共混物生产的珠光塑料制品不像加入珠光颜料的塑料制品那样具有毒性，所以特别适于制取食品和化妆品的容器或作装饰品。耐热老化性、耐沸水性及耐应力开裂性均比单纯PC高。各生产厂产品性能不同，以Geloy为例，有通用型、高冲击型、高光泽型等品级。高冲击型的拉伸强度46MPa，弯曲模量2100MPa，悬臂梁缺口冲击强度95～106J/m；通用型冲击强度为54J/m，热变形温度(1.82MPa)88℃。用机械共混法制备。可注塑加工各种制品，用于户外耐老化的汽车部件和工业制件。
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