Dynamic analyses and experiment studies on the prestressed concrete continuous curved box-girders;
预应力混凝土连续弯箱梁桥动力特性分析与试验研究
Influence of eccentric support on internal forces of 30° curved box-girder bridges with two spans;
偏心支承对两跨30度弯箱梁桥内力的影响
In this paper,the problem of reaction and torsion of PC curved box-girder bridges was discussed with the space FEM(finite element method) which was used to construct the simulated model,Considering this structure and the factors such as temperature,vehicles etc.
预应力混凝土连续弯箱梁桥容易出现支座脱空和扭转变形过大的问题,针对这一现象,从弯梁桥构造和外界因素等方面着手,采用空间有限元建立全桥仿真模型的方法进行分析,并选取一座曲率半径为60 m的弯梁桥,分析不同支座布置方式下的支座反力和扭转变形等问题。
The finite curved strip governing equation of thin-walled curved box is deduced based on Novozhilov theory.
基于Novozhilov理论推导了薄壁弯箱结构的有限曲条控制方程,并首次建立了薄壁弯箱位移参数的动态Bayes误差函数,推导了参数的动态Bayes均值和方差表达式,提出步长的一维自动搜索方案后,并结合共轭梯度法推导了薄壁弯箱位移参数的动态Bayes估计公式,同时给出了具体计算步骤。
The finite strip controlling equation of pinned curve box was deduced on the basis of Novozhilov theory and with flexibility method,the problem of continuous curve box was resolved.
推导了基于Novozhilov理论的简支弯箱有限曲条控制方程,并结合柔度法解决了连续弯箱的求解问题。
Test Research into the P.C. Continuous Curved Box Girder Bridge;
预应力混凝土连续弯箱梁桥试验研究
Study on the Bending and Torsion Deformation of Continuous Prestressed Concrete Curved Box-Girder;
预应力混凝土连续弯箱梁桥弯扭变形的研究
ANALYSIS OF CURVED CONTINUOUS BOX-GIRDER BRIDGES WITH VARIOUS PLATE THICKNESS BY DOUBLE SPLINE SUBDOMAIN METHOD
双样条子域法分析变截面连续弯箱梁桥
Influence of Eccentric Support on two-span Curved Box-girder Bridges with 45-degree central angle
偏心支承对45度圆心角双跨弯箱梁桥的影响
The Structure and Seismic Response Analysis of a Small Radius Curved Box-Girder Bridge;
小半径弯箱梁桥的结构及地震响应分析
Research on the Tensioning Sequence of the Steel Wires of P.C. Continuous Curved Box Girder;
连续弯箱梁桥预应力钢束张拉次序研究
Research into Building Model Based on Grid Structure Theory of Curved Box Girder Bridges;
基于格栅结构理论的弯箱梁桥建模研究
The tension sequence of prestressing steel strands for curved box girder bridges
弯箱梁桥横截面上预应力钢束张拉次序研究
Study on Ratios of Effects of Different Loads to Gravity on Curved Box-Girder Bridges
弯箱梁桥各种荷载应力与自重应力之比的研究
The Analysis of Forcing Property and Concret Shrinkage、Creep for Curved Single-Box-Girder Bridge with Single-Cell;
单箱单室弯箱梁桥结构受力特点及收缩徐变效应分析
Box Girder and Thin Walled Pier Spatial Analyse of the Long Span Cured Bridge with High Pier;
高墩大跨径弯桥箱梁薄壁墩空间分析
The conclusion drived from a numeric example shows that the stiffness of the steel box beam bridges can be increased only by curving prestress tendors.
算例表明,只有曲线布置预应力束才能提高钢箱梁桥抗弯刚度。
DESIGN AND ANALYSIS OF PRESTRESSED CONTINUOUS CURVED BOX BEAM WITH SINGLE SUPPORT FOR CAIHUYING FLY-OVER IN WEST WING PROJECT OF BEIJING
北京市西厢工程菜户营立交独柱支承预应力弯箱连续梁桥设计与分析
Lifting and Installation of Steel Box Girder at Pylon and Girder Section of Edong Changjiang River Bridge
鄂东长江大桥塔梁段钢箱梁吊装施工
Cantilever Construct Technology for Main Box Girder of Fengpu Bridge;
奉浦大桥主桥箱梁悬臂浇筑施工技术
Analysis of Shear Resistance and Flexural Behavior of Composite Box Girders with Corrugated Steel Webs;
波形钢腹板组合箱梁抗剪及抗弯分析
FLEXURAL-TORSIONAL ANALYSIS OF CURVED BOX-GIRDERS WITH THE CONSIDERATION OF THE SHEAR LAG EFFECT
曲线箱梁考虑剪滞效应时的弯扭分析
On the bend supporting capacity calculation of FRP box girder and the concrete slab combination beam
FRP箱梁与混凝土板组合梁抗弯承载力计算