However, too much creep generally appeared in prestressed concrete simply supported beam bridge in use.
但在现役桥梁中,却普遍出现了梁体徐变上拱过大的问题。
Dynamic analysis of viscoelastic simply supported beam has been made in accordance with the standard model of three bodies.
本文用三体模型对粘弹性简支梁进行动力分析。
With an example of simply supported beam, it is presented to active control structure-borne sound by mean of radiation modes.
以简支梁为例,通过声辐射模态研究简支梁声辐射的有源控制。
In this paper, a nonlinear model for time step analysis of simply supported beam Bridges subjected to earthquake motions was developed.
本文采用有限元程序分析了减(隔)震铁路简支梁桥的地震反应特点。
To enhance the aseismatic ability of simply supported beam bridge is an important content of earthquake prevention and disaster reduction.
为提高某简支梁桥的抗震能力,采取适当的减震控制措施能够有效地减小桥梁的地震反应。
The exact state equation solution of mechanical electric coupling for a simply supported beam subject to uniform distribution of load is given.
在此基础上,给出了两端简支压电梁机电耦合作用在均布载荷下的精确状态方程解。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
采用车-桥系统相互作用的计算模型,对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
This is the temperature at which a simply supported beam specimen of the material, with a centrally applied load, reaches a predefined deflection.
这是中心承载的该材料简支梁达到预定偏差的温度。
Three damage detection methods for multiple damaged sections in structures were investigated to improve safety monitoring of simply supported beam bridges.
分析了柔度差方法应用于多位置损伤检测的局限性。
The results are shown that: 1) under an equivalent moving concentrated force, dynamic responses of the simply supported beam consist of steady response and transient response.
研究结果表明:1)等效移动集中力作用下,简支梁的动力响应由稳态响应和瞬态响应组成。
Based on this research and using the ultimate equilibrium theory, the calculation model of shear bearing capacity of corroded simply supported reinforced concrete beam is established.
本文在试验研究基础上,运用根据极限平衡理论,建立了锈蚀钢筋混凝土简支梁斜截面承载力计算模型。
Therefore, the upper bridge with simply supported continuous beam structure more and more.
因此,桥梁上部采用先简支后连续梁结构越来越多。
The study was carried out to further investigate the simply supported reinforced concrete beam strengthened by external prestressing through experiment and theory analysis.
本文以试验梁为研究对象,采用试验与理论相结合的方法,对体外预应力加固简支梁进行了较深入的研究。
It is proved that the method is correct by comparing with the theoretical results of a simply-supported beam with random mass density and section diameter.
用一个具有随机质量密度和截面直径的简支梁的理论结果,验证文中方法的正确性。
For box systems, the gravity loads are transferred to the ground using a simply supported "post and beam" type system where the walls act as axial-loaded, (or combined axial plus bending), members.
盒子体系中,重力荷载是通过简支的“梁、柱”体系传递到地面的,而墙作为传递轴向荷载构件(并传递轴向附加弯矩)。
Based on the calculation model of vertical elastic grade beam, a method called virtual simply-supported beam method for design of sheet pile walls is introduced.
基于竖向弹性地基梁计算模型,提出了板桩结构计算的拟简支梁法。
The damage of a simply supported RC beam was investigated; the identification results reflected the structure damage distribution well.
应用该方法对一钢筋混凝土简支梁的损伤问题进行了研究,识别结果较好地反映了结构的损伤分布。
An optimum algorithm is proposed to solve the geometrically nonlinear problem for a simply-supported beam with large deformation.
提出一种求解几何非线性问题的优化算法,并研究了简支梁的几何非线性大变形问题。
This paper analyses the static problem of the simply-supported beam with DQ method in case when the axial force cannot be neglected.
采用DQ法分析了轴力影响不可忽略时简支梁的静力问题。
Traditional methods treat each span segment as a simply-supported beam or clamped-clamped beam in practice.
传统方法是将悬跨管道简化为两端简支或者两端固支梁来处理。
Thus, when reinforcing the multi-span simply-supported T-beam by this method, enhancing the shear resistance of beam at intermediate support must be conducted yet.
建议在采用此方法加固多跨简支T梁的同时应对中间支点梁的抗剪能力进行加固。
State space formulations are developed to study a simply supported hybrid beam consisting of two functionally graded material layers and an intermediate actuating or sensing piezoelectric layer.
为了考虑中间压电层与上、下功能梯度层之间的粘结效果,采用线性弹簧模型以模拟界面性能。
In negative moment region of composite frame beam, its design and the detail of struction are more complicated than that of simply supported composite beam, so it was seldom adopted in project.
组合框架梁由于梁端存在负弯矩区,其设计及构造较简支组合梁复杂,限制了其在实际工程中的应用。
In this paper, sine series and polynomial beam functions are derived. They can satisfy various boundary conditions of beams such as the simply supported ends, fixed ends and free end.
本文推导了正弦级数与多项式的梁函数,它可以满足梁的简支、固定、自由等各种边界条件。
A track-bridge system model for simply supported PC-beam tailway bridges and the relevant equation of motion are established in this paper.
再通过空间离散的方法,将上述轮对时程转换为线桥结构钢轨节点的制动力时程。在此基础上,建立了线-桥整体分析模型。
A track-bridge system model for simply supported PC-beam tailway bridges and the relevant equation of motion are established in this paper.
再通过空间离散的方法,将上述轮对时程转换为线桥结构钢轨节点的制动力时程。在此基础上,建立了线-桥整体分析模型。
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