本文介绍了一种计算塔设备自振周期的新方法。
This paper presents a new method for calculating the natural vibration period of towers.
通过对方程组的求解，得到这种类型设备的自振周期及振型。
By solving equation group, the basic nature vibration period and vibration modes of this type equipment are obtained.
还分析了不同开度情况下非线性约束对自振周期和振幅的影响。
The effect of nonlinear binding force on period and amplitude are also analyzed.
研究了砖石古塔的结构特性，提出了对古塔自振周期的计算公式。
The paper studied the characteristic of structure of ancient brick and rock pagoda, proposed the formula of self vibration period for ancient pagoda.
设计地震区的高层建筑时，选择结构的适宜自振周期是十分重要的。
It is important to select reasonable natural period of high-rise building in seismic design.
动力特性测试结果表明：随着节点转动刚度的减小，框架自振周期延长。
Dynamic characteristics tests show that the natural vibration period of steel frame can be prolonged with the reducing of connection rotation stiffness.
风振计算应按随机振动理论进行，结构的自振周期应按结构动力学计算。
Wind is it it calculates to be should according to shake theory go on, shake cycle should calculate according to structure dynamics structure at random to shake.
理论计算与实测数据表明，所述方法可以用来确定大型框架塔的自振周期。
The theoretical values and the measured data on the installed unit show that this method can be applied to determination of the natural vibration period for a large-scale framed tower.
为改善钢筋混凝土框架剪力墙结构抗震设计，完善框剪结构自振周期计算经验公式。
To improve the seismic design of reinforced concrete frame-shear wall structures, the empirical formula for estimation of the fundamental periods were investigated, and a new formula was presented.
相应的也引出了新的课题：结构自振周期更大，地震响应更加强烈，抗震措施更加复杂。
Accordingly leads to a new topic: structural natural periods greater, more intense seismic response, seismic measures more complex.
它不仅与冲击波的作用情况有关，而且与通风构筑物的形状、大小、自振周期等因素有关。
It is a very complicated problem that is not only related to the shock wave interaction, but also to the shape, size and natural frequency of the ventilation structure.
文中提出了框架塔自振周期的计算方法与计算示例，并对工业用的框架塔的自振周期进行了实测。
A method for calculating natural vibration period of framed tower and a calculative example are described in this paper. The period of an industrial framed tower had been measured in the factory.
现行规范中已存在许多经验公式去描述非抗震设计的钢筋混凝土结构的自振周期与建筑高度的关系。
Some empirical relationships for non-seismic design RC structures are now used in several design codes to relate the fundamental period to the height of a building.
静力优化设计的优化目标是截面截面应力平方均值最小，动力优化设计的优化目标是结构自振周期平方和最小。
The target of static optimization is to minimize the average of the squared sum of stresses while the target of dynamic optimization is to minimize the squared sum of natural vibration periods.
本文研究了修改桥梁结构设计参数，使其自振周期和振型满足预先给定设计要求的动力特性修改过问题，提出了一种求解方法。
This paper presents a method for modifying the designing structural parameters of a bridge structure so that the bridge structure will freely vibrates at prescribed frequencies and modes.
抗震性能包括对结构低阶自振周期、顶点位移、最大层间位移角、框架承担承担水平地震剪力、框架承担地震倾覆力矩比几个方面。
The main seismic performance is introduced, including low level period, top displacement, maximum layer displacement Angle, frame bearing horizontal shear, frame bearing earthquake overthrow moment.
抗震性能包括对结构低阶自振周期、顶点位移、最大层间位移角、框架承担承担水平地震剪力、框架承担地震倾覆力矩比几个方面。
The main seismic performance is introduced, including low level period, top displacement, maximum layer displacement Angle, frame bearing horizontal shear, frame bearing earthquake overthrow moment.
应用推荐