薄壁

Keywords cold-formed steel;residential building;steel frame;wallboard bracing;wall stud system;elastic springs model;finite element analysis;centric axial loads;full-scale test;effective length factor;simplifi

Article From 同济大学；结构工程博士论文 2006年度冷弯薄壁型钢；低层住宅；钢骨架；墙板支撑；墙柱体系；弹簧模型；有限元分析；轴心荷载；足尺试验；计算长度系数；简化设计公式

The structural system of low-rise cold-formed steel framing dwellings is the stressed skin diaphragm plate system, including the roof, the floor and the wall.

低层冷弯薄壁型钢房屋住宅结构体系是应力蒙皮板块体系，包括屋面、楼面和墙体三部分，其荷载传递路径包括竖向荷载路径和横向荷载路径。

The sheet space structure system is a new type of space structure system composed of light-quality, high-strength sheets and thin wall metal skeleton by certain joining method, considering the joint effect of skeleton and sheets which cover the skeleton. By applying the aviation construction principle to the civil engineering, bringing direct stress into very thin sheet, sheet space structure system can make good use of materials and the construction bearing capacity.

板片空间结构体系是由轻质、高强的复合板片和薄壁金属骨架或完全由板片通过特定的方式组合而成的一种新型空间结构体系，这种结构体系将结构材料在空间上进行合理的分布，将航空结构原理应用于土木建筑结构，采用非常薄的板材使结构主要产生直接应力，充分利用了结构材料性能，达到了体系受力合理，用材经济的目的。

Based on the critical approach, a model for multiaxial fatigue life prediction was established by combining maximum shear strain and normal strain on the critical plane, and the effect of stress state under the multiaxial cyclic loading condition on the fatigue life was taken into account.

通过对薄壁圆管和缺口试样的高温多轴疲劳寿命特性分析，基于临界面方法提出了一个的多轴疲劳寿命预测模型，在考虑临界面上最大剪应变和正应变对多轴疲劳损伤贡献的同时，还引入了应力状态对多轴疲劳寿命的影响因素。

Production of intellectual property rights have an independent national patent products - Bergen plates lined with plastic pipe embedded tendons, Bergen licensing stainless steel double-layer steel-lined metal tube, Bergen tendons embedded double-sided plates lined with plastic pipe, condensation-type lined with plastic pipe, steel mesh skeleton reinforced plastic composite pipe, high pressure bi-metallic tubes, thin-walled stainless steel pipes, galvanized pipes are an alternative to traditional ideals of environmental protection pipe.

公司生产拥有独立知识产权的国家专利产品--贝根牌内筋嵌入式衬塑钢管、贝根牌钢衬不锈钢管双层金属管、贝根牌内筋嵌入式双面衬塑钢管、缩合式衬塑钢管、钢丝网骨架增强塑料复合管、高压双金属管、薄壁不锈钢管，是替代传统镀锌管的理想环保管材。

ZXX-type high temperature pneumatic valves book films links ZXX Three high-temperature membrane-type pneumatic valves book by HE cylinder-shaped valve type thin window structure, different from the spool-shaped piston guide bushing.

ZXX型气动簿膜三通高温调节阀 ZXX型气动簿膜三通高温调节阀采用贺筒型薄壁窗口形阀芯结构，不同于柱塞形阀芯的衬套导向。

The high-precision sixteen keys spline broach was developed and further improvement was made,too.

被加工工件——滑动叉，是薄壁件，规格小、花键长度长、容易产生变形，键宽公差要求严格，在设计上、加工上难度非常大，因此设计了高精度十六键花键拉刀，并进一步改进。

One step method of applying silane crosslinked PE technology to aluminium and plastics laminated pipes manufacturing process combines thin aluminium sheet high speed welding and polymer reaction extrusion together,setting up new pipe processing technology.

一步法硅烷交联聚乙烯管材加工技术应用于铝塑复合管成型加工，是将薄壁金属管高速焊接和聚合物反应挤出成型这两个跨专业的新技术有机地结合为一体，从而建立起一种加工新型管材的新兴工业技术。

A thin-walled processing aircraft parts, only 30 min, and the same high-speed milling machine parts in the general processing takes 3 h, in the general processing and milling machine to be 8 h; Germany DMG's two-spindle lathe spindle speed and acceleration respectively 12 *!

加工一薄壁飞机零件，只用30min，而同样的零件在一般高速铣床加工需3h，在普通铣床加工需8h；德国DMG公司的双主轴车床的主轴速度及加速度分别达12*！

The relations between the potential difference and the discharging time when the discharge current is a step function as well as a step function containing high frequency vibrations, the relations between one-dimensional and two-dimensional spark locations and potential difference based on the thin wall model and the thick wall model have been studied.

仿真研究了放电电流为阶跃函数以及含高频振荡时电位差与放电时间的关系；基于薄壁模型和厚壁模型，仿真研究了电极下表面一维放电点位置和二维放电点位置与电位差的关系；对于确定的电位差，仿真研究了放电点位置的分布情况，说明两点输入不能唯一地检测出放电点位置，从而引入四点输入检测的思想。

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。