Based on the APDL programming technique, a fundamental procedure of developing a constructed prestressed concrete curved beam bridge simulation program is developed. 研究目的:曲线平行布置法是铁路桥梁设计,特别是在曲线桥梁跨越公路、河流的设计中经常采用的一种布置方法。
Based on the minimum potential theory of energy method, adopting Eular equation, the governing differential equations of curved beam were established. 基于能量法中的最小势能原理,结合欧拉方程建立了构件变形后的中性平衡微分方程。
Two methods about how to calculate the bearing off-center of curved beam bridge are presented, which is common but no conclusion now. 介绍了直梁曲线桥设计和施工过程中墩台中心及直梁中心测设资料的严密计算方法,并介绍了桥梁支座预留孔的计算方法。
The application of the secant pile acting as the permanent structure of undercrossing overpass DYNAMIC CHARACTERISTIC ANALYSIS OF THROUGH SKEWED ARCH BRIDGE WITH CURVED BEAM 咬合桩作为永久结构在下穿式立交桥中的应用下承式曲线梁斜交拱桥动力特性分析
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
In this paper, progress on curved beam elements is summarized. 综述了曲梁单元的发展。
Element Rigidity Matrix and Coordinate Transformation Matrix of Space Circular Arc Curved Beam 空间圆弧曲梁单元刚度矩阵及坐标变换矩阵
The plane curved beam theory with rectangular section is employed to explore the bending and twisting coupling vibration characteristics. 利用曲梁理论建立该矩形截面梁的动力学方程。
Steel box continuous curved beam with its big span, little section, esthetical sculpt, is adopted generally by municipal projects. 钢箱连续曲梁以其跨度大、面小、型美,普遍被市政工程采用。
Study on the Basic Mechanical Equations of Curved Beam Element for the Main Cable's Calculation 用于主缆计算的曲梁单元基本力学方程的研究
The in-plane dynamic characteristic of the cable-stayed curved beam structure is investigated. 研究了索-曲梁组合结构的面内动力特性。
The coefficient of torsion of the curved beam has nothing to do with its vertical distortion. 曲梁的扭率与曲梁的竖向变形无关。
In the appendix, a rigidity matrix representation of a boundary member such as the curved beam is presented. 在附录中列出边缘构件曲梁的刚度矩阵的形式。
This paper analyzes skew support continuous curved T girder bridge and skew support continuous curved box girder bridge that largely applied in practical engineers, adopting statically indeterminate simple-supported curved beam as basic structure. 论文以超静定简支曲线梁作为基本体系,对在实际工程中广泛应用的斜支承连续曲线T梁桥和斜支承连续曲线箱梁桥进行分析。
Application of Isoparametric Finite Element Method in Planar Curved Beam Bridge 等参有限元法在平面曲线梁桥中的应用
Curved Beam Finite Element in Buckling Analysis 有限元屈曲分析中的曲梁单元
The quasi-conforming element of the curved beam and shallow curved beam is given in this papes. 本文给出了拟协调曲梁和扁曲梁单元。
According to three examples, it is made clear that each curved beam theory has its own applicability. 通过三个实例表明了不同的曲梁理论对不同的结构、不同的受力条件,都有不同的适用性。
The calculation models of curved beam bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software. 利用有限元软件,建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
The nonlinear dynamics equations provide a reliable foundation for analysis of the nonlinear dynamics of curved beam. 非线性动力学方程的建立为曲梁的非线性动力学分析做好了必要的准备。
Then the curved beam theory and precise integration method were introduced systematically. 然后系统介绍了曲梁理论和精细积分算法,并基此提出了汽车钢板弹簧设计的一种新模型&层叠曲线梁模型。
The transmission matrix method is used to study the dynamics of curved beam periodic structure in one DOF system, two DOFs system with flexible plate as foundations and the floating raft system. 利用传递矩阵法研究了曲梁周期结构在基础为弹性板的单自由度系统、两自由度系统和舱筏隔振系统中的应用。
Based on this, the curved beam model is used to calculate torsional stiffness of bundle lines. 在此基础上,采用曲梁模型计算分裂导线抗扭刚度,计算结果分别与试验值、理论公式解对比。
Method of forming the consistent mass matrix for curved beam elements is given. 给出了曲梁单元一致质量矩阵的形成方法,并对静力凝聚法进行了改进而提出了广义静力凝聚方法。
One is free straight beam model with lumped mass in middle; the other is free curved beam. 一种是中间带有集中质量块的自由直梁模型;另一种是自由曲梁模型。
The flexible curved beam can be degenerated to a straight beam or a more simple flexible cable element. 该柔性曲梁单元可以退化到直梁单元或者更为简单的柔索单元。
Further more, the consistent mass matrix of a curved beam is derived and established. 推导并建立了曲梁单元的一致质量矩阵。
The curved beam damping matrix is also created that is based on the Rayleigh proportional damping. 基于瑞利比例阻尼的形式建立了曲梁的阻尼矩阵。
The change of the key design parameters of curved beam bridge structure would affect the seismic response of structure. 曲线梁结构关键设计参数的改变,对结构的地震响应有一定的影响。
The wrong concepts of prestress on bending beam torsion effect are corrected. In different prestressed tendon arrangement, torsion effect of the prestress on simply supported curved beam and continuous curved beam is studied. 4. 针对预应力对弯梁扭矩效应的一些概念错误进行了重新梳理,对不同预应力钢束布置下,预应力对简支弯梁和连续弯梁的扭转作用作了研究。