查询词典 girder

A chart about shear-lag coefficient for curved box girder jointless bridges is presented in this paper, which is developed by taking into account the main parameters based on engineering practice and the research for the future.

从工程实际出发，综合上述最主要的影响参数，对无伸缩缝曲线箱梁桥的剪力滞系数进行分析整理，提出供工程设计及今后研究使用的实用计算图表。

So, some researches are present in this paper: 1 In this paper, a finite element model of curved box girder jointless bridges supported on piles is brought forward, considering the interaction between structure and soil.

本文就无伸缩缝曲线箱梁桥剪力滞效应的分析开展了如下的研究： 1、考虑桩土效应，建立无伸缩缝曲线箱梁桥有限元模型，研究在不同荷载下无伸缩缝曲线箱梁桥剪力滞系数的分布规律。

Main lambdoidal transmission gear of the great girder rolling mill is the key machine of this system.. It"s belongs to big modulus wide gear enduring heavy loads so it"s surface is easy to be hurt.

大型轨梁轧机主传动人字齿轮是轧机主传动系统的关键设备，该人字齿轮是大模数宽齿轮，承受载荷较大，易对齿面造成损伤。

F transverse shearing deflection and noncoincidence of torsion center and gravity center, the equilibrium formulas of variable-curvature box-girder with rectangular cross section were established.

Hy4vO mf0 曲线箱形梁桥具有抗扭刚度大、经济性好、外形美观等优点，是高速公路立交匝道、城市高架桥常用的结构型式。

The main girder is designed to apply C60 pumpable high performance concrete with set retarding, high early strength and good volume stability to avoid cracking and meet the time requirement for the project.

主梁混凝土设计为C60泵送混凝土，采用8米挂篮悬浇工艺施工，混凝土技术要求很高：不仅坍落度损失要小、易于泵送，而且还要具有较长的缓凝时间，以保证一个梁段一次浇筑完成；有较高的早期强度，可在3至4天内进行预应力张拉，以缩短节段悬浇周期；有较好的体积稳定性，以避免梁体产生有害变形和开裂。

Combined with the design objects of the section and tendon curve in a prestressed concrete continual girder bridge, the establishment of parametric model and the redact of parametric drawing program are discussed. And the implementation of the three kinds of parameter-driven: variation-driven, table-driven and dimension-driven is put forward.

结合预应力连续梁桥中梁体截面和钢束曲线等设计对象的具体特点，讨论了参数化模型的建立和参数化绘图程序的编制方法，并提出了变量驱动、表驱动、尺寸驱动这三种参数驱动方式的具体实现。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。