查询词典 trellis girder

The matrix equation of the sectorial coordinate has been deduced by making use of the graph theory and energy principle after creating the graph model of the box girder section.

利用图论的基本原理建立箱梁断面的图论模型，并结合能量原理，推导出求解扇性坐标的矩阵方程。

This paper has introduced how to use the graph theory method to calculate the sectorial coordinate of the variable cross-section box girder.

作者单位：湖南科技大学土木学院，湖南湘潭 411201摘要：介绍了用图论法计算变截面箱梁断面的扇性坐标。

Starting from the basic concept and principle of reliability theory, some methods of reliability analysis and calculation for structural members and systems are discussed in seme detail m this paper, On the basis of others'research achieements , the method for calculating the reliabillity of continuous PPC girder bridge system is deduced from the probability of failure,In accordance with the test resuIts of 14 two-span continuous PPC model beams , obtained from the rescarch project,A study on the plastic ...

本文从可靠度理论的基本概念和原理出发，主要论述了结构杆件和系统可靠性分析和计算方法。在前人研究的基础上，利用失效概率推导出连续梁系统可靠指标的计算方法，本文还根据高等学校博士学科点专项科研基金资助项目《大跨度预应力混凝土桥塑性行为的研究》所进行的十四片两跨混凝土连续梁桥模型试验的数据算出各梁承载能力的系统可靠指标。

The method of calculating transverse distribution of loads of separative box-girder bridge exist difference and the irregular plasticity in the designing.

分体式箱梁桥荷载横向分布的计算方法在设计中存在差异性和不规范性。

Along with the popularization and application of separative box-girder, people already not solely requested the structure analysis to be able to reflect the actual situation, hoped could obtain the satisfactory result quickly and economically.

随着分体箱梁结构在桥梁工程中的普及应用，人们已经不单单要求结构分析能够反映实际情况，更希望能快捷、经济地获得满意结果。

In this paper we discuss the rea sonable structural form about curved girder bridges in high-speed railway.

本文讲述的是高速铁路曲线梁桥支座布置形式的一些研究工作和相关结论，主要包括支座布置形式和约束方式的影响。

Ab stract : Continuous slabΟdeck is an important structural measure for simplyΟsupported girder bridge , but it is easy to be damaged and difficult to be repaired which is a common problem of simple supported beam highway bridge.

桥面连续构造是简支桥梁的一个重要构造措施，但很容易损坏，且易损难修，是公路简支桥梁的通病。

To arrange the prestressed tendons and anchor devices on the web of box girder conveniently, a theoretical analysis, numerical calculation and model test on local stresses in concrete under anchor devices were performed separately using a typical segmental model, a subrange model and a similar model for the scheme design of Hutiaomen major bridge.

为便于箱梁腹板预应力筋及锚具的布置，结合虎跳门连续刚构桥的方案设计，对特征节段模型、子区域模型和试验模型锚下混凝土局部应力分别进行了理论分析、数值计算和试验研究。

In cross section the total deck width is 1158 ft with the torsionally rigid spine box girder having a width of 39 ft 4 in.

横断面上，桥面总宽115.8英尺，其中具有抗扭刚度的脊骨箱梁宽39英尺4英寸。

Opening out distortion inspect and analyze software, can ascertain base's settlement, peg tip' distortion and the movement of tramroad girder's plane position in course of construction and using.

开发的变形监测与分析系统软件，可以在施工过程中以及工程运营期间对整个工程进行变形监测处理，用以确定基础沉降和桩顶变形以及轨道梁平面位置的变化，从而可以为以后的同类工程建设提供依据。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。