主梁

During construction, typical sections are selected to carry out the temperature field test and the elevation of girder of T structure is measured synchronously. The changing character of temperature gradient and its 2 key parameters are generalized and the deflexion of"T"structure is analyzed in view of temperature field.

在施工过程中，选取典型断面进行了温度场试验，并对最大悬臂状态的T构主梁的线形进行了同步观测，总结了温度梯度及其两个主要参数的变化规律，将三维温度场问题简化为一维温度梯度问题。

The purpose of this paper is therefore to present a approximate methol for calculating the load distribution coefficient of the girder shear force.

本文的目的在于提出计算主梁剪力荷载横向分布系数的近似方法，并用电算编制了设计用表。

The method of calculating the internal force envelope of cable-stayed bridge by first order theory, multiplied by a modification factor for considering second order effect, is not adequate enough.

用一阶理论的内力包络图值乘以近似二阶增大系数的方法来设计斜拉桥的主梁尚欠合理。

All girders shipped by rail were arranged on a flatbed rail car.

由火车装运的所有主梁都安放在平板火车车皮上。

Main gilder is one of the most important forced parts of large pressing machine . Its optimal design is a " hard " nonlinear optimization problem .

主梁是大型压力机的关键受力构件之一，其最优设计问题是一类很难求解的非线性规划问题。

The block is still just a skeleton of girder s.

这片建筑还只是仅有主梁的骨架。

Feeder loadingbridge is to improve from a crane, so the overall table withreference to the principle of a crane to carry out the design Thistime designs me mainly to aim at this machinery the king post andthe car actuates the system to carry on the design.

桥式装卸料机是由起重机改进而来的，因此总体上来是参照起重机的原理来进行设计。本次设计我主要针对该机械的主梁和小车驱动系统进行设计。

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 scheme of reducing furnace height to dismount the front rotary ring in the furnace was introduced in this article, which has been used in practice and reach the objective that the front rotary ring was dismounted and the concrete major beam keeps in good condition.

介绍了降低炉体高度拆装煅烧炉前滚圈的可行性方案，并通过实践检验达到无损建筑物混凝土主梁顺利拆装前滚圈的目的。

To meet the requirements of workability and high early strength of the concrete, the mix proportion of the concrete for main girder is designed with set retarding, high pumpability, high early strength in low water/binder ratio through optimization of quantities of binder and fly-ash, and optimization of water/binder ratio and sand ratio.

以混凝土的工作性和强度特别是早期强度为设计依据，通过胶凝材料用量、粉煤灰掺量、水胶比和砂率的优化，确定了兼具缓凝、早强、高强、易泵的主梁混凝土配合比。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐