Dynamic characteristics testing and analysis of some overpass ramp curved beam structure;
某立交桥匝道曲线梁结构动力特性检测及分析
Based on the geometrical characteristics of curved beams and the Timoshenko s beam theory,the three-dimensional curved beam element including six degrees of freedom per node is established.
针对曲线梁的几何特征,根据Timoshenko曲梁理论,提出每结点有6个自由度的三维曲梁单元。
This paper is to offer a kind of convenient and effective method to the unmentioned transverse displacement problem of the simple fixed ends,at the same time,offer new theoretical basis for the curved beam design.
目的为了给目前曲线桥梁设计中并未涉及的一次超静定侧移问题提出一种方便有效的计算方法,同时为曲线梁的设计提供新的理论依据。
Static analytic method for pre-stressed curved girder;
预应力混凝土曲线梁的静力计算
Varied curvature makes deformation analysis of curved girder more complex,and seeking simple and reliable mechanics model is of advantage to the study on variable-curvature curved girder.
变曲率导致曲线梁变形分析更加复杂,寻求简单、可靠的力学模型有利于变曲率曲梁的研究。
The Ramp Bridge CD2~# of Huanghe Interchange is a prestressed concrete continuous curved girder bridge.
黄鹤立交CD2号匝道桥是预应力混凝土曲线梁桥,其在运营的初期出现裂缝,通过荷载试验及设计校核分析了裂缝产生的原因,提出了切实可行的加固方案。
Finite element analysis on temperature gradient effect of curve beam bridge;
曲线梁桥温度梯度效应的有限元分析
Discussion on calculative formula of E.A.B.SALSE prestress curve beam;
谈E.A.B.SALSE预应力曲线梁计算公式
According to the practical design experience of the curve beam in Dongxiao South Road of Guangzhou City, the article analyzes the influence of the prestressed transverse effect of the curve beam on the main beam and substructure, and the curve beam how better to prevent the web from dilapidating on the construction.
该文结合广州市东晓南路曲线梁的实际设计经验,分析了曲线梁中预应力的横向效应对主梁及下部结构的影响,以及曲线梁如何从构造上更好地防止腹板崩塌。
This paper makes deep research into curved bridges, dealing with some of the technical problems in design, such as the bearing form, structure analysis, design methods for pre-stressed reinforcement and the lay-out of common reinforcement, as well as the structure of the curved bridge.
随着我国交通事业的迅猛发展,曲线梁桥已成为一种较重要的桥型。
It can provide theoretical reference for the design of curved bridge with little radius in order to prevent such diseases.
通过分析计算毛集互通A匝道桥出现梁体扭转、支座脱空的原因,并根据计算结果提取相应的加固措施,取得了良好的效果,可为小半径曲线梁桥的设计提供理论依据,以避免类似病害的发生。
Coupled vibration analysis of rail-way simple-supported curved-girder bridges and vehicles with soil-structure interaction;
考虑桩土作用的铁路曲线梁桥车桥耦合振动分析
Introduction of reasonable bearing form of curved-girder bridge in high-speed railway;
高速铁路曲线梁桥的支座布置形式初探
Dynamic response of simply supported curved-girder under moving load series;
移动荷载列作用下简支曲线梁的振动响应
Analysis of shear lag and effect factors in curved box girder;
曲线箱梁剪力滞效应及其影响因素
Effect of spatial prestressing for curved box girder bridges;
曲线箱梁桥空间预应力效应分析
A dynamic model of curved box girder beam in highway interchanges;
立交桥曲线箱梁动力分析模型
Discussion on the effect of curve radius on curve girder bridge design
浅析曲线半径对曲线梁桥设计的影响
The Study on Transverse Distribution of Curved Beam Based on Rigid-crossbeam Method;
基于刚性横梁法的曲线梁桥横向分布的研究
On Analysis of Replace Curve by Straight Line in Prestressed Concrete Ramp Curved Girder Bridge
匝道预应力混凝土曲线梁桥“以直代曲”的分析
Determination of Criterion Condition for Replacing Curve by Straight Line of High-pier Continuum Curved Bridge
高墩连续曲线梁桥以直代曲判别条件的确定
Study of Load Effects for Curved Continuous Prestressed Concrete Bridges;
预应力混凝土曲线梁桥荷载效应研究
Torsion Design and Analysis of Curved Prestressed Concrete Girder Bridges;
预应力混凝土曲线梁桥抗扭设计分析
The Design of Curve Beam Bridge and Attentions in the Computation
曲线梁桥设计和计算中应注意的问题
Numerical analysis for coupled vibration of vehicle-bridge on highway curved-bridge
公路曲线梁桥车桥耦合振动数值分析
DYNAMIC CHARACTERISTIC ANALYSIS OF THROUGH SKEWED ARCH BRIDGE WITH CURVED BEAM
下承式曲线梁斜交拱桥动力特性分析
A Method of Calculating the Center Line of Gravity of Prestressing Force of Steel in Plane Curved Girder Bridges
曲线梁桥预应力钢筋合力重心线计算方法
NONLINEAR FINITE ELEMENT ANALYSIS ON CURVED GIRDER BRIDGE OF PRESTRESSED CONCRETE
曲线梁桥预应力效应的非线性有限元分析
Study of the calculation method of bridge deflection angles in curve bridge surveys
曲线桥梁测设中桥梁偏角计算方法的研究
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
Study of Shear-lag and Distortion for Thin-Walled Curved Grider with Great Initial Curvature;
大曲率薄壁曲线箱梁剪力滞及畸变效应研究
Simulation and Optimization for Long-span Changing Curvature Vertical Curve Steel-box Girder Bridge Constructed by Incremental Launching Method
大跨度变曲率竖曲线钢箱梁顶推施工仿真优化
Analysis for Prestressing of Curved Continuous Box Girder Bridges
箱型截面曲线连续梁桥的预应力分析
Study on Construction Control of Cantilever Erection Continuous Curved Girder Bridge;
悬臂拼装曲线连续梁桥施工控制研究
Research on Shear-lag Effect for Curved Box Girder Jointless Bridges;
无伸缩缝曲线箱梁桥剪力滞效应研究