1、

Through the static test parameter selection, analysis, and through the fixed structure stiffness and reinforcement ratio to quantitatively evaluated the RC bridge carrying capacity.

通过对静力测试中参数的选择、分析,并通过修正结构刚度及配筋率来定量地对在役RC桥梁承载能力进行评定。

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2、

The stiffness of longitude beam is greater than that of latitude, so the internal force analysis is based on exceeding static determinacy continuous beam.

纵向格构梁的刚度大于横向格构梁的刚度,因而横向格构梁的内力计算可以简化,钢筋砼格构可以作为在锚杆施力下的超静定连续梁。

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3、

The static and dynamic radial load capacity and stiffness of the altitude bearing, the radial and torsional frequency of the optical tracking telescope tube can be calculated by this method from the bearing contact theory and suggested vibration model.

从轴承的接触理论和提出的振动模型所得到的计算方法,可以计算镜筒旋转轴支承的动、静力承载能力,支承刚度,镜筒的径向和扭转振动频率。

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4、

Taking the bending stiffness and static sag into consideration, the space nonlinear vibration partical differential equations are derived.

考虑拉索垂度及抗弯刚度的影响,得出了索-阻尼器系统振动偏微分方程;

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5、

And the reduced linear elastic stiffness matrix is formulated for the macro-element of planar beam attached with springs at both ends through static reduced technique.

采用静力缩减方法,由平面梁单元弯曲平衡方程推导出两端带扭簧的杆件宏单元缩减刚度矩阵。

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6、

As a result, it is proved that the static/ dynamic stiffness and damping force of the linear rolling guide joint affect greatly the dynamic behavior of NC machine tools.

说明直线滚动导轨结合面的静、动刚度与阻尼对机床的动态特性具有很大的影响。

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7、

For depart outer excitation frequencies from structure inhere frequencies, the normal method was to adjust mass and stiffness on premise of static intensity being satisfied, so called dynamical optimization design with frequency forbidden zone.

带频率禁区的结构动态优化设计是在结构静态强度保证的前提下,通过调整部件的动态特性,以避开与结构固有频率相近的外部激励。

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8、

the results indicate that the frame's static strength and stiffness can both satisfy the requests. but its stress distributing is rather uneven, and its strength has much surplus, the structure can be optimized.

车架在两种工况下的静力学分析结果表明,车架的静强度和刚度都能满足要求,但应力分布很不均匀,结构强度余量较大,可作进一步优化。

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10、

The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.

计算结果表明,供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。

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11、

So, it is found to be effective enough to simulate the static and dynamic properties. ( 5) Effect of the stiffness and damping of roof panel on the wind vibration of the roof structures is investigated by two examples.

表明该夹层板单元能够有效模拟聚氨酯夹芯金属屋面板的静、动力特性。(5)通过两个算例考察了屋面板刚度和阻尼性能对屋盖结构风振效应的影响。

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12、

Analysis on stiffness and static strength for motor coach of high-speed train

某型号高速列车M车刚度及静强度评估

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