Even now the people in the remoter regions beyond the noise of the guns are carrying on quietly as usual. Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting. 偏远地区听不到炮声的人们,至今还是静悄悄地在那里过活。在大直径深孔采矿中,炮孔偏斜是非常不利的因素。
Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting. 在大直径深孔采矿中,炮孔偏斜是非常不利的因素。
Influence composite continuous beams stress and deflection each factor from strongly to weak is: web plate high, concrete slab high, web plate thickness, the ledger wall thickness and the roof thickness. 影响组合连续梁应力和挠度的各个因素由强到弱依次为:腹板高,混凝土板高,腹板厚,底板厚和顶板厚。
The accuracy, accuracy of deflection focusing of the beam in the process of emission and receive of ultrasonic phased array probe, is the main factor to affect the index. 影响该指标的因素是相控精度,即超声发射相控偏转聚焦与接收相控偏转聚焦的精度。
In this paper, the uncertainties of the main performance parameters of the analogy oscilloscope, such as the vertical deflection factor, the scanning time factor and the pulse instantaneous response, are presented in detail. 对模拟示波器的主要性能参数(垂直偏转系数、扫描时间系数、脉冲瞬态响应)的不确定度评定做了详细介绍。
Analysis of the large deflection dynamic response of simply-supported circular plates by the "membrane factor method" 用膜力因子法分析简支刚塑性圆板的大挠度动力响应
First, the global response predictor ( such as deflection, frequency and buckling load) was computed from the general finite element analysis procedure without using shear correction factor. 首先按照一般的有限元分析过程(没有引入剪切修正系数)计算出全局响应(如挠度,频率和屈曲载荷等)的预测值;
A series of design and calculation method of heaVy duty gears with large deflection factor ( x> 1), different to that currently used in our country is whence derived. 从而推导出一套不同于我国现有齿轮设计方祛的重载齿轮、大变位系数(x>1)齿轮的设计计算方法。
In this paper, the micro-displacement of a metal bar is measured by using laser holographic interferometry, and the elastic modulus and pitch of deflection sag of the metal bar have been calculated. We also give a new correction factor to simplify the calculation of the Unstatistic. 本文利用激光全息干涉技术测量了金属梁的微小位移量,计算得到金属梁的弹性模量和挠度。
And that the ultimate load of ultrahigh pillar decreases with the increase of initial deflection imperfections factor f0 at elastoplastic stage. 处于弹塑性阶段的超高矿柱,由于初始挠度的存在,其极限承载能力降低,且随着初始挠度f0的增加而减少。
Deflection and strain of the given section are analysed through dead-load field test, Hanger endogen force, autooscillation character, impactor factor, damage ration of the main span and approch span are analysed. 在荷载试验方面,对测试截面的挠度和应变进行了分析,同时对吊杆内力及主桥和引桥的自振特性、冲击系数、阻尼比进行了分析。
Elastic deflection of die profile is an important factor to influence the accuracy of the formed component in precision forming. 精密成形时模具变形是影响锻件尺寸精度的重要因素。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application. 与预应力钢筋混凝土梁相比,其刚度较小,特别是在大跨径桥梁中,其挠度变形是影响其应用的重要控制因素。
A Study on Common Boundary of the Maximum and Minimum Cableway Deflection Factor Strength analysis of heavy duty gears in the end drive of bulldozers and design of gears with large deflection factor 索道大挠度与小挠度分界的研究推土机终传动重载齿轮强度分析及大变位系数齿轮的设计
The quantity factor is defined on the basis of the suspension dynamic deflection, and the proportional factor is defined on the basis of the control effectiveness. 实时控制时根据悬架动挠度确定模糊控制器的量化因子,比例因子还要根据控制的效果确定。又建立了基于规则修改的模糊控制,通过调节修正因子,修改模糊控制规则。
In addition, rebound deflection is also a main factor to evaluate original pavement structure while pavement strengthening. 同时在旧路补强设计中,回弹弯沉值也是评价原路面结构的一个基本参数。
Research conclusion: The vertical deflection value of temporary beam under effect of real load is very close to the calculated result after considering the impact factor by adopting the research method. 研究结论:便梁在实际荷载作用下实测的竖向挠度值与利用本研究方法在考虑了冲击系数后得到的计算结果十分接近;
Strength analysis of heavy duty gears in the end drive of bulldozers and design of gears with large deflection factor 推土机终传动重载齿轮强度分析及大变位系数齿轮的设计
First, the rubbing condition of an unbalanced rotor system with initial deflection is investigated. The rubbing factor is introduced to determine whether the rub would happen or not for all rotating speeds. Rubbing speeds when rub begins to happen are calculated. 首先研究了具有初始弯曲的转子系统发生碰摩的条件,引入了判断碰摩发生的碰摩因子,计算了碰摩开始的起始转速。
The first floor indicator weights computational method is studied, and a relative stable method to build stress and the judgment matrix of deflection measured points weights which has been separated from artificial subjective factor is found. 研究了底层指标权重的计算方法,找到了一种脱离人为主观因素相对稳定构造应力和挠度测点权重判断矩阵的方法。
Meanwhile respectively expounds effects in bridge construction process of the internal force and deflection factor bridge, and the theoretical calculation of practical engineering the parameter selection are discussed. 同时分别阐述了在桥梁施工过程中影响桥梁内力及挠度因素的计算理论,并对实际工程中参数的选取进行了简单的讨论。
The vertical deflection of hook block is a key factor affecting the positioning accuracy. 核电站环行起重机吊钩组升降运行的垂线偏差,是影响定位精度的关键因素。
After comparison of the result from pushover and IDA, The structural influencing coefficient and deflection amplification factor of the semi-rigid connected steel frame-steel plate shear wall structures that designed according to building seismic code of China are suggested. 7. 对Pushover分析与IDA分析的结果进行了对比,根据两种分析方法的结果,提出了按照我国规范设计的半刚性连接钢框架钢板剪力墙结构的结构影响系数和位移放大系数的取值。
Finally, the adjustment factor to be elastoplastic theory of the formula will be obtained, by the plastic limit load and elastic limit load ( small deflection theory of the results of thin plate) ratio determined, and has set out the elastoplastic adjustment factor computation table. 最终,得到弹塑性调整系数的理论公式,由所求得的塑性极限荷载与弹性极限荷载(薄板小挠度理论的结果)的比值来确定,并列出了弹塑性调整系数计算表。