查询词典 arch bridge

Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three-span prestressed concrete deck arch bridge is taken into account in these methods, and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon.

这些设计法针对该类桥型的特点，利用在拱顶粱中分别布置一定数量的上下偏心的预应力筋来优化结构的内力和满足各部分的位移限制要求。

On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer, the principle of prestressed iendon layout for three-span prestressed concrete deck arch bridge is illustrated.

摘要在分析预应力布置位置对三跨上承式拱桥内力和拱脚推力影响的基础上，阐明了该类桥型预应力筋的布置原则。

On this basis, the seismic response analysis of a three-span continuous middle-supported steel arch bridge with a main span of 428m is conducted under different input conditions of uniform excitation, traveling wave excitation and multi-excitation.

在此基础上分别考察了一座主跨428m的三跨连续中承式钢拱桥在一致激励、行波激励和多点激励下的地震反应规律。

Authors established the optimal finite element model of swivel construction of arch bridge adopting hydraulic sync elevation technology.

构建了采用液压同步提升技术进行转体施工拱桥的优化有限元模型。

Based on first-order optimization calculating theory,authors established the optimal finite element model of swivel construction of arch bridge adopting hydraulic sync elevation technology.

根据一阶最优化计算理论，构建了采用液压同步提升技术进行转体施工拱桥的优化有限元模型。

Temperature effect is important in calculation theory of concrete filled steel tubular arch bridge. The main problems about it are the temperature field in space and temperature variation with time.

温度问题是钢管混凝土拱桥计算理论中的一个重要问题，其关键在于温度场时间和空间的变化与分布规律问题。

It is called Super-wide Slab Arch Bridge.

这类板拱桥称为宽体板拱桥。

The result showed that the approach was highly potential and practical in assessing the safety of long-span concrete-filled steel tube arch bridge.

通过工程实例验证，评价结果较好地反映了桥梁结构的安全性状况，证明了该评价方法的可行性与实用性。

In order to gain the result of the safety assessment of CFST arch bridge, based on the traditional safety evaluation methods, artificial neural network and analytic hierarchy process, a safety evaluation method based on radial basis function neural network was presented.

以全桥安全性评价为总体目标，在以往桥梁安全性评价方法的基础上，引入人工神经网络理论，并结合层次分析法，提出了基于径向基网络的钢管混凝土拱桥安全性评价方法。

This text has proposed being in the evaluation approaches of the safety of CFST Arch Bridge based on RBF network, applied this approach to the project instance and made certain achievement.

具体做了以下主要工作： 1、本文在现有桥梁安全性评价的基础上，深刻阐述了桥梁安全性评价的内涵。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。