焊接钢结构

焊接钢结构梁柱节点地震下的断裂行为研究

Investigation on fracture behavior of welded steel structure beam-column connections under earthquakes

焊接钢结构现场施工质量与工艺控制

The Construction Quality and Technology Control of Welded Steel Structure on the Spot

GS系列机型的外壳都采用牢固的焊接钢结构，具有广泛的通用性。

The out-shell of GS Series Toughened Breaking Machine has applied strong welding steel structure , it has wide universality .

本文建立了任意存活率下焊接钢结构P-S-N曲线预测的一点法，均方差曲线法极大似然法。

One point method , mean square curve method and the maximum likelihood principle to predict P-S-N curve for welded steel structures for arbitary survival rate are presented .

对振动时效（VSR）处理过程进行应变监测，提出工件在VSR处理前、后残余应力的测试方法和计算公式，并对一焊接钢结构VSR处理的效果进行了评定。

The strain-gage method for measuring strain during the vibration stress relief ( VSR ) process and the formulation of calculating the residual stress are proposed in this paper . The effectiveness of a welding component after VSR process is evaluated .

船舶与海洋平台属于大型复杂焊接钢结构。

Ships and offshore platforms are large and complex welded steel structures .

焊接钢结构件抗拉强度试验和有限元分析

Tests and FEM analysis for tensile strength of welded-steel structures

分析了影响焊接钢结构疲劳的主要因素；

The main factors causing steel bridge fatigue are analyzed .

该驳船是全焊接钢结构。

The barge is all welded steel construction .

首先，本文介绍了焊接钢结构疲劳的一些基本概念；

First of all , some basic conceptions of steel bridge fatigue are introduced .

带人工裂纹的焊接钢结构梁柱节点有限元应力分析

Finite element stress analysis of welded steel structure beam to column connection with artificial crack

焊接钢结构疲劳强度预测的应力场强模型研究

Research of Stress Field Intensity Model on the Fatigue Strength Prediction for Welded Steel Structures

焊接钢结构地震下基于低周疲劳特性的破坏准则的探讨

Research on damage criteria of welded steel structure under earthquake based on low-cycle fatigue characteristics

焊接钢结构的脆性断裂

Brittle Failure of Welded Construction

其焊接钢结构会突然断裂，导致在灾难性的设备事故和人身伤亡。

The welded steel will be suddenly ruptured , resulting in catastrophic equipment accidents and personal injuries .

本文分别建立了焊接钢结构疲劳强度预测的面积法和应力场强法的理论。

Area method and stress field intensity approach to estimate the fatigue strength of welded steel structures are presented in the paper .

通过对几类典型焊接钢结构疲劳强度的理论预测与疲劳试验结果的比较，验证了理论模型的正确性。

The effectiveness of predicting model is proved by means of comparison between predictions and experiments for a few types of welded steel structures .

随着钢结构日益广泛的应用，研究焊接钢结构的抗震性能具有显著的社会效益和经济效益。

For steel structure is widely used in many fields , investigation on the earthquake resistance of welded steel structure will greatly benefit the social and economic performance .

加固女儿墙和雨蓬反口板，在填充墙上凿洞埋设铁件，焊接钢结构框架干挂花岗石，取得令人满意的饰面效果。

Strengthening parapet wall and canopy , embedding steel member , welding steel structure frame and dry combining granite blocks and in this way to be satisfied with the result of finishing surface .

本文在引入最坏切口概念的基础上，分别建立了对称循环和非对称循环时焊接钢结构有效应力集中系数的理论预测模型。

By introducing the concept of the worst-case notch , the theory prediction model of the effective stress concentration factor for welded steel structures are established for symmetrical and unsymmetrical stress cycle respectively .

本文应用断裂力学理论，对焊接钢结构表面裂纹扩展过程中裂纹几何形状的变化规律进行了探讨，提出了疲劳裂纹扩展寿命的预测方法，给出了相应的数值计算理论。

Studying the rule of geometric shape of surface crack during propagation by means of fracture mechanics theory , a predicting method of fatigue crack propagation life and it 's numerical calculation theory are presented .

采用这两类单元计算了错位板接头、T型板接头、工字梁焊接钢结构和工字梁十字接头的应力场，得到了相应的理论应力集中系数公式。

The stress fields in misaligned welded joints , " T " type of plate welded joint , flanged beam and perpendicular flanged beam are calculated respectively , and their stress concentration factors formulation are obtained .

但是，由于此种结构主要采用钢材，而钢结构特别是焊接钢结构对动荷载特别敏感，长期承受动荷载作用会引起结构的疲劳破坏。

However , because of the main use of steel structure and susceptivity of steel structure especially the one that the welding steel structure to dynamic load , endurance failure of this structure will be aroused by the endurance of a long-period dynamic load .

焊接作为钢结构中的重要工艺，是一个牵涉到电弧物理、传热、冶金和力学的复杂过程，直接关系到工程质量的好坏、结构的安全。

As an important technology of steel structure , welding is a complicated process which involves in electromagnetism , heat transferring , metal melting and freezing and mechanics , which related to the quality of projects and the stability of structure .

控制焊接变形在钢结构制作中的作用

The application of controlling weld deformation at steel structure fabrication aspect

焊接变形是钢结构产品制作中的常见现象，有时还是影响质量和效率的关键问题。

Wind deformation ten occurs in manufacture of steel structure and is the key problem to influence its quality and production benefit .

焊接变形是钢结构生产安装过程中不可避免的问题，且焊接变形对钢结构的质量会有一定的危害性。

Welding deformation is an unavoidable problem in process of production and installation of steel structure , and it will cause certain harmfulness against quality of steel structure .

目前焊接已成为钢结构制作的主要连接方式，由此，因焊接而产生的焊接变形对结构质量的影响更加突出，如何防止焊接变形愈来愈成为钢结构制作的关键。

Now the welding has become the main connection way in steel structure fabrication , so that the influence of welding deformation on structure quality is more important in welding process . The prevention of welding deformation becomes the key points in steel structure production .

采用微合金化提高材料的综合机械性能和焊接性能是焊接钢结构材料发展的方向；

Using the micro-alloy to enhance the general performance and welding ability of material is the development direction of material for welded steel construction .

焊接质量是影响钢结构工程质量的重要因素，对焊缝进行无损探伤检验是确保焊缝质量的重要手段。

The quality of welding is an important factor that influences steel structure project quality . Nondestructive inspection is an important method which guarantees welding seam quality .