Numerical Simulation and Experimental Research of Hollow Drill Steel Rolling; The bar was withdrawn from the soil. 钎杆用中空钢轧制过程的数值模拟及实验研究钢钎从土壤中拨出。
Numerical simulation of the failure modes for cold-formed square hollow section steel compression columns 冷成型轴压方钢管柱破坏模式的数值模拟研究
Strength and Ductility of Stiffened Thin-Walled Hollow Steel Structural Stub Columns Filled with Concrete 加劲薄壁中空钢管混凝土短柱的强度和延性研究
A seam tracking device is developed according to the requirement to weld hollow steel balls of net frame nodes. 根据空间网架结构结点空心钢球的技术要求,研制了一种焊缝自动跟踪系统。
Each dart consisted of a hollow steel needle with a paper tail. 每个飞镖由一个带着纸尾巴的空心铁针组成。
In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed. 为了提高凿岩钎杆用中空钢的使用寿命,设计了奇数边截面形状的中空钢。
Carbon dioxide is shipped and stored as a liquefied compressed gas in hollow steel and aluminum cylinders. 二氧化碳作为液化压缩气体在空心钢瓶和铝瓶中运输和储存。
On the needle wall of the inserted hollow steel needle, dialysis flow tubes, and observation holes are arranged to see whether the puncture is successful or not. 在插入的空心钢针的针壁上,还可设有可对向透析流通管、可观察穿刺是否成功的观察孔。
Experimental study and FEM analysis on connections of rectangular hollow steel column and H-type beam 方管柱与工字钢梁连接的三维有限元模拟分析及试验研究
Axial Force Calculation Model of Circular Hollow Steel Member in Truss with Overlapped Unstiffened Joints 搭接节点圆钢管桁架结构轴力计算模型
Effect of concrete creep on axially compressed stable bearing capacity of hollow concrete-filled steel tubular members 徐变对空心钢管混凝土轴压稳定承载力的影响
Behaviour of hollow steel tubes in concrete filled steel tubular frame structures during construction 钢管混凝土框架中的空钢管施工受力分析
For improving the quality of hot drawn hollow steel drill, the total qua-lity control must be adopted though the whole process ( from steelmaking to finished product). 文章指出,为了提高热拔中空钢的质量,必须从冶炼开始对全部工序进行质量控制。
Based on the hollow steel tube armoured concrete for the experiment desk develops the experiment equipment of the efficiency coefficients of dead load anchor, the method of experiment data acquisition is also introduced. 研制了以空心钢管钢筋混凝土为实验机台座的锚具静载锚固效率实验装置,介绍了该实验数据的采集方法。
Quality control of hot-drawn hollow steel drill 热拔中空钢的质量控制
The mechanical properties on one-directional loading of two kinds of mixture ratio RPC materials with or without steel fiber and of hollow steel tubes were studied. 应用优化配比后的活性粉末混凝土,试验研究了掺与不掺钢纤维两种配合比RPC材料单轴抗压性能并与普通高强混凝土相比较,试验还研究了空钢管的力学性能。
As structural component, square hollow steel sections have favorable properties for resisting compression, bending and torsion. 方管作为结构构件,在压、弯、扭方面具有优越的性能。
Numerical Simulation of Controlled Cooling Temperature Field of Hollow Steel 中空钢控冷温度场的数值模拟
Three Dimentional Bending Machine for hollow Steel Tube 中空钢管件三维弯曲加工装置
Pure bending test of21 LACFST and8 hollow steel tubes is carried out, which the experimental parameters are strength of lightweight aggregate concrete, steel ratio and shear-span ratio. 本文进行了21根钢管轻集料混凝土与8根空钢管构件的纯弯试验,主要试验参数为:轻集料混凝土强度、含钢率和剪跨比。
To study the static behavior of unstiffened, overlapped circular hollow steel ( CHS) K-joints, seven specimens with the hidden seam unwelded and three specimens with the hidden seam welded were tested under monotonic loading. 对平面K型圆钢管搭接节点的静力性能进行了静力单调加载的试验研究。
The practical design formulas for calculating the parameters ( including interference values and wall thickness) of hollow steel rolls with the axle sleeves of high-speed paper machines were derived. 导出了可用于高速纸机中具有闷头的空心铸钢辊结构的壁厚、径向过盈量等重要参数设计的实用计算公式。
The hollow steel tubes of concrete filled steel tubular ( CFST) structure are suffered vertical construction loads during construction as they are vertical support frame. The steel tubes will suffer initial stress before they can work together with concrete infilled. 钢管混凝土结构的空钢管是施工过程中的竖向支撑骨架,要承受相应的竖向施工荷载,在形成钢管混凝土结构之前,空钢管中具有一定的初始应力;
Now the structure of the article great sieve is: one side of spring steel bar wear into the hollow steel, with layering pressure fixed; another side is for free impending state, can free vibration. 现有结构如下:弹簧钢棒条一端穿入预先打有安装孔的方形空心钢内,用压条压紧固定,另一端为自由悬空状态,可以自由振动。
The hollow steel tubes are subjected to lateral hydrostatic loads as concrete has flowing properties during the construction of concrete filled steel tubular ( CFST). It may cause stress concentration on steel tube. 在钢管混凝土柱施工浇筑期间,混凝土的流动性将对钢管产生侧向静水压力,从而引起钢管局部应力集中的现象。
The hollow steel section ( HSS), with its beautiful appearance and reasonable mechanical behavior, has been widely used in convention centers, airport terminals, train stations and other large buildings. 在建筑结构中,空心钢管以其优美的外形和合理的受力性能在会展中心、机场航站楼、火车站等大型建筑中得到了广泛的应用。