查询词典 girder

In order to meet the requirements of process, the magnetic hanging girder bridge plate piler was designed.

为满足工艺要求，设计了电磁挂梁桥式垛板机。

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。

The main content consists of three parts:(1) analyzing the structural dynamic changing rule considering SSI effect;(2) analyzing the earthquake response of traditional non-shake -isolate frameworks before or after considering SSI effect, and then summarizing the rules that how factors such as base-soil elastic modulus and damping ratio effect structural horizontal deflection, displacement between floors and girder-end moment;(3) analyzing the earthquake response of shake-isolate frameworks considering SSI effect or not, indicating the changes after considering SSI effect and the performance of rubber shake-isolate pad.

本文采用通用有限元程序ANSYS，对在7度多遇地震时El Centro波作用下框架的地震响应进行了分析，主要内容分为三部分：（1）分析了考虑SSI效应后结构的动力特性变化规律；（2）对传统非隔震框架结构考虑SSI效应前后的地震响应进行了分析，总结出地基土弹性模量、体系阻尼比等因素对结构各层水平位移、层间位移以及梁端弯矩的影响规律；（3）对考虑与不考虑SSI效应的基础隔震结构的地震响应进行了分析，指出了考虑SSI效应后基础隔震结构地震响应的变化规律和隔震效果。

The longitudinal displacement patterns of the composite girder are put forward by author according to its structural properties and hypothetic conditions.

针对组合梁上述特点，在一定的假设条件下，笔者提出了组合梁考虑剪力滞效应时的纵向位移模式。

Analysis its effective distribution width and its impressible through the thickness of girder deck and transversal board by create entity finite model.

通过空间有限元建立实体模型进行了有关参数敏感性分析，研究桥面板的厚度、横隔板的厚度对桥面板的有效分布宽度的影响。

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 paper builds finite element model of portal crane jib system using girder element, besides it presents its principles and process so that the foundation of this method is established. Besides, the paper builds the model in APDL which is easier to modify and administrate.

运用有限元分析软件ANSYS8.1对门座起重机的臂架系统建立有限元模型，给出了用梁单元建立有限元模型的原则和步骤，为今后用梁单元进一步开展门座起重机的有限元分析奠定基础，而且采用APDL语言可以实现参数化建模，对于模型易于修改、便于管理。

A steel joist or girder with short flanges and a cross section formed like the letter I.

i形金属横梁，工字梁由短翼缘和一个十字部分做成象字母i的钢制托梁或主梁

Joist or girder with short flanges and a cross ''.

i形金属横梁，工字梁由短翼缘和一个十字''。

This design uses the assembly type hollow plate girder bridge, the span arrangement is 13m, the king post for spatial core Liang.

本设计采用装配式空心板梁桥，跨径布置为13m，主梁为空心板梁。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。