结构钢

Highrise buildings from the early development of steel framework.

4高层建筑的早期发展从钢结构框架开始。

So the aseismatic performance of multilayer hinged frame structure with bracing is analyzed and studied in the paper.

首先综述了多层柱支撑铰接钢框架结构的研究现状及其意义。

Extensive studies show that the behaviors of steel frames such as the internal forces, the horizontal deflection and the ultimate load-bearing capacity, which could not be neglected to design the steel frames.

大量的研究表明，节点的半刚性对钢框架的内力、位移和结构的极限承载力的影响很大，不容忽视。

In the fields of metallurgy system, the projects that we supplied assemblies for are as follows: Bao Steel 3rd Project (hot rolling、link casting、wire material、billet ban); Workshop Steel Structure、Bao Steel "Shiwu" Programming Lenience Ban、Blast Furnace、Link Casting; Wu Steel 3rd Steel-making

冶金系统在冶金系统，公司产品占上海市建筑企业五十强排名第一的上海宝冶采购总量超过60%，配套其宝钢三期工程（热轧、连铸、线材、坯板等）厂房钢结构、宝钢十五规划宽厚板、高炉、连铸等重点工程。

Our products are widely used in the areas of hardware mechanism, electronic instrument, household appliance, textile mechanism, auto manufacturing, boiler, tower crane and so on.

产品适用于五金机械、电子仪表、家用电器、纺织机械、汽车制造、空压机组、锅炉、塔吊、钢结构等行业。

planetarium building ; U-shaped glass passage ; glass spiral ; irregular hyperbolic glass

玻璃工程分北立面幕墙及采光顶、马鞍形玻璃通道、4个空间钢结构玻璃旋

Key words: steel structure; roof; hyperboloid; installation; unloading; dismantle

关键词］钢结构；屋面；双曲面；安装；卸载；拆除

Acted by the seismic energy, the connection is to display various degree of accumulative damage. So, the main purpose of this paper is to aim the hysteric energy and damage of the connection to perform extensive research.

有鉴于此，本文主要针对在地震循环载荷作用下钢结构梁柱节点的滞回耗能能力以及节点的累积损伤破坏等问题进行了一系列的研究。

Based on the actual experience, discusses how to decide the rational height of the infra-red radiation detector in the huge span steel-building, and it also talks about some advice to the current codes.

结合实际工程实例，阐述在大跨度钢结构建筑中如何确定红外光束火灾探测器的设置高度，并针对现行国家规范相关条文提出建议。

High-volume production of low-cost steel in Britain and the U.S. by the Bessemer process soon revolutionized building construction and provided steel to replace iron in rail road rail s and many other uses.

用柏塞麦炼钢法在英国和美国进行了低成本的钢铁生产，很快革新了建筑的结构，并为铁轨和其它应用方面提供钢以取代铁。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。