查询词典 box girder

This paper retrospects the history and present state of the prestressed concrete continuous box girder bridge.

中文摘要：本文回顾了预应力混凝土连续梁桥的发展历史与现状。

This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges.

介绍了波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。

The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.

温度荷载作用下的混凝土箱梁的应力和变形，是影响工程质量的主要因素之一。

First, a refined 3D linear finite element model of the PC box girder had been established.

首先对箱梁建立了精细的三维线弹性有限元模型，并通过施工阶段的现场实测对计算结果的精确性进行了验证。

The research of thermal actions and thermalstresses for prestressed concrete box girder bridges is very important.

因此，研究分析预应力混凝土箱梁的温度作用和温度应力是一个十分重要的问题。

The grillage analytical method of box-girder is analyzed and discussed from unit division, calculation of cross-section property and other aspects.

介绍了箱型梁的梁格分析法，从梁格单元的划分、各单元截面特性的计算等方面进行了论述，指出该箱型梁梁格分析法简单易行，分析的精度可达到一般工程设计的要求。

Intensity of solar radiation and height of haunch were found to be the main factors influencing the temperature gradient in box girder during cantilever construction, and function expression of the main factors with temperature gradient was gained.

从而验证了影响施工期间箱梁温度梯度的主要因素是太阳辐射强度和箱梁梗腋高度，定量确定了其与温度梯度之间的关系。

Applying integral intermediate value theorem, new effective elasticity modulus expressions were presented, which creep aging coefficient can be calculated by the creep coefficient of intermediate time of incremental time segment. Creep and shrinkage strain were treated as a kind of compulsive strain. Compulsive strain methods were used for the analysis of creep effect and shrinkage effect about concrete curved box-girder bridge.

根据积分中值定理，推导了增量时间段中点时刻徐变系数等效弹性模量的计算式；将徐变和收缩应变视为强迫应变，推导了强迫应变法计算混凝土梁桥的徐变、收缩效应的分析方法，写出了混凝土桥梁的徐变、收缩时效分析有限元列式，并将此方法应用到曲线箱梁桥的时效分析中。

The research and observation at different height and different section along longitudinal axis of box girder show that the temperature distribution pattern is the same.

沿桥轴线方向不同位置和不同高度的箱梁混凝土温度的观测和研究结果表明，它们具有一致的温度分布形式。

A perspex glass model of a two-span continuous curved box girder was made.

研究表明，曲线箱梁内侧正应力比外侧的大。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。