振动使土壤的抗剪强度下降是切削阻力下降的主要原因,同时,铲斗与土壤间摩擦力和粘附力下降,也是切削阻力下降的原因之一。
The main reason is that the cutting intension of soil reduced due to vibrating, and another one is the deducing of friction between bucket and soil.
采用扭转振动理论,分析和讨论了影响提高摆式飞剪速度的原因,并提出了解决问题的对策。
The reason why the speed of oscillating flying shear could not be raised was analyzed by making use of the torsional vibration theory, moreover, the solutions were presented.
采用剪鳍标记现场模拟法,测定了钻井噪声与振动对草鱼生长的影响。
Effects of petroleum drilling noise and vibration pollution on growth of grass carp, Myloparyngodon piceus, were studied by cut-fin marking method on petroleum reconnoitering spot.
本文通过对饱和尾矿砂在振动单剪仪上的排水试验,量测了试样在周期荷载下的体积变化。
This paper presents the drained test of saturated tailing sand in dynamic simple shear apparatus by measuring volume change of the sample under cyclic loading.
本文在大量动态直剪试验的基础上,建立了散体在振动场作用下剪切试验的几个力学模型。
Based on a large number of dynamic shear tests, several mechanical models of dynamic shear test of bulk materials have been established in this paper.
本文采用应变控制和应力控制两种控制方式对饱和砂土进行了大量的振动扭剪试验。
This paper presents the test results of a series of dynamic cyclic torsional shear tests on saturated sands using both stress-controlled and strain-controlled process.
利用MRD对一有损伤钢筋混凝土框-剪偏心结构进行抗震加固,并进行振动台试验。
The shaking table experiment of seismic retrofitting of earthquake damaged RC frame shear wall structure using MRD is implemented.
本文将QR法和样条加权残数法结合起来,求解高层框剪结构的地震动力反应。先用QR法建立结构的振动方程,然后,用样条加权残数法来求解。
In this paper, QR method and spline weighted residual method are combined to solve seismic responses of tall frame-shear wall structures.
为了研究土的剪切波速与其三轴剪切试验力学指标之间的关系,依据扭剪振动原理,开发出一种测试三轴压力室内土样剪切波速的传感器。
Torsion shear wave transducer is a newly developed device to test the shear wave velocity of soil specimen which has not been reported before.
为了研究土的剪切波速与其三轴剪切试验力学指标之间的关系,依据扭剪振动原理,开发出一种测试三轴压力室内土样剪切波速的传感器。
Torsion shear wave transducer is a newly developed device to test the shear wave velocity of soil specimen which has not been reported before.
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