通过对埋设于570中段光弹性应力计的观测,分析了该中段矿柱破坏的情况及原因。
The cause of mine pillar destruction in in Dachang Tongkeng Tin Mine was analyzed from observation by photoelastic stressmeter embedded in mine stope 570.
本文介绍了几种常用的弹性测力计的设计计算方法,并附有计算实例。
The article introduces the design and calculating methods of elastic dynamometers for general use, with explanatory example.
计及作用于接触斑点上的切向力,通过比较作用于接触斑点上的法向弹性载荷与法向塑性载荷,确定了区分弹性接触与塑性接触区域的临界接触斑点面积。
Considering the tangential force applied on a contact spot, the critical area demarcating the elastic and plastic regimes is obtained by comparing the normal elastic load with the normal plastic load.
大量程引伸计的弹性元件处于大变形工作状态,引伸计的非线性矛盾较突出。
The linearity of a large range extensometer is a critical problem, because its elastic'element is under large deformation.
硬度计:用来量度弹性材料如胶布的硬度的仪器。
Durometer: Instrument for measuring the hardness of a resilient material, such as rubber blanket.
文中对锚杆测力计的工作原理、测力计弹性元件的设计计算、测力计的技术特征等作了论述。
The working principle of rockbolt dynamometer, the design calculate of elastic units of dynamometer, the technological characteristics of dynamometer etc are discussed in the article.
对静水压力下环加肋圆柱壳弹性失稳临界载荷现有计算方法进行了比较和计论。
A comparison is made among current calculation methods for the buckling of ring-stiffened cylindrical shells under hydrostatic pressure.
过热的弹簧应该更换,因为失去弹性的弹簧运行时达不到满意的效果。可使用弹簧弹力计进行检测。
Overheated springs should be replaced, since they may have lost tension and will not operate satisfactorily. Spring pressure can be tested with a spring-tension tester.
分析了计及高阶横向剪切变形的正交各向异性弹性板自由振动的问题。
The transverse shear deformation effect is included by use of Mindlin-Reissner first-order shear deformation theory.
分析了计及高阶横向剪切变形的正交各向异性弹性板自由振动的问题。
The transverse shear deformation effect is included by use of Mindlin-Reissner first-order shear deformation theory.
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