Analysis of dead load deflection of post-tensioned pre-stressed concrete simple-supported beam bridge;
后张法预应力混凝土简支梁桥的恒载挠度分析
Based upon understanding of BS5400 codes for loads some valuable contents to domestic bridge design are introduced from dead load,secondary permanent load,live load,combinatorial loads and other aspects,which has a certain reference value for transverse dynamic analysis of large-span bridge.
结合对英国规范BS5 40 0中有关荷载规定的理解 ,就对国内桥梁设计具有重大参考价值的内容 ,从恒载、二期恒载、活荷载、荷载组合等方面进行了介绍 ,对于大跨度桥梁横向的动力分析有很好的帮助。
Namely, n 0=E s/ E c under live load and n 1=n 0(1+φ) under dead load are shown.
以芜湖长江大桥为例介绍了国内外结合梁恒活载作用下钢与混凝土弹模比的不同取值以及重复荷载作用下混凝土残余变形试验，给出了钢与混凝土弹模比在不同荷载状况下的计算方法，即活载作用下：ｎ０＝Ｅｓ／Ｅｃ，恒载作用下：ｎ１＝ｎ０（１＋）。
To investigate the mechanical properties of the Q345(16Mn)steel made in China,steady state tests were carried out by using computer controlled test machine,heating device and specially designed deformation measuring appliance,with the 152 steel specimens coming from 10 factories.
为了对我国钢结构耐火设计提供基础数据,利用微机控制电液伺服试验机及加温装置和特别设计的变形测量装置,采用恒温加载试验方法,对国产10个钢厂生产的钢结构用Q345(16Mn)钢进行了152次试验研究,揭示了钢材在600℃范围内的力学性能变化规律和离散性,采用割交点法定义钢材的屈服强度,建立了钢材在恒温加载路径下的初始弹性模量、屈服强度和线膨胀系数计算模型。
By using constant amplitude loading and highlow cycle complex loading, contrast test research for crack growth rate was conducted for ductile cast Iron.
分别在恒幅载荷和高低周复合载荷作用下,对球墨铸铁进行了疲劳裂纹扩展速率的对比试验研究,并对试验结果进行了统计分析,得出了a-N和P-da/dN-ΔK曲线。
Only moderate deal load tentions are necessary.
只需要有少许恒载张力。
The loads for which a building must be designed may be classified into dead loads,vertical live loads,and lateral live loads.
设计建筑物必须考虑的荷载可分为恒载、竖直活荷载和侧向活荷载。
Study on Optimization of Cable Tension of Completion State under Dead Load for Hybrid Cable-Stayed Bridge;
混合梁斜拉桥成桥恒载索力优化研究
The 3-D Simulation Analysis of a Bridge Stake Foundation in the Action of Dead Load;
恒载作用下桥梁桩基础三维仿真分析
EXPERIMENTAL STUDY ON Q345 STEEL UNDER ELEVATED TEMPERATURE AND CONSTANT LOADING
国产Q345钢600℃恒载升温试验研究
The Numerical Analysis Method of Dead Loads Effect on Static Deformation of Beams
恒载效应对梁变形影响的数值分析法
Mechanic Behavior Research of Single Tower Cable-stayed Bridge Hybrid Girder under Dead Load;
钢混梁独塔斜拉桥主梁恒载受力特性研究
Analysis on effect of dead loads on natural frequencies of arch beams
恒载效应对拱形梁自振频率的影响分析
Research on Applying Constant Current/voltage to Control Sample Loading and Dispending in Microfluidic Chips;
微流控芯片中样品装载与分配的恒流/恒压控制
The carrier gas is supplied to the instrument at constant pressure from a cylinder.
载气一般由压缩钢瓶供给，并要使载气压力恒定。
Balloon-borne Ultra-violet Stellar Spectrometers
气球运载紫外线恒星分光仪
Research on Following Characteristics of Loading System with Constant Force of Large Steel Conditional Machine Tool;
大型钢坯修磨机恒力加载系统的研究
Load Cutting-in Control of Variable-Speed Constant-Freqency (VSCF) Wind-Power Generator
变速恒频双馈风力发电负载并网控制
Stability analysis of synchronous generators with constant power loads
同步发电机带恒功率负载稳定性分析
paper and board-determination of tensile strength properties-part 1:constant rate of loading method
纸和纸板-抗张性测定-第1部分：恒定加载法
A precision pressure regulator maintains the carrier-gas pressure constant.
精密压力调节器可以维持载汽压力恒定。
Statistical Inference Methods of Dead Loads and Material Strength on Existing Structures;
既有结构恒荷载和材料强度的统计推断
On Efficiency Property of Throttle Speed Control Circuit in Condition of Constant-Load;
恒负载工况下节流阀调速回路效率特性研究