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 released structure 基本结构(3)
 基本结构
 Multiple Released Structure Method in Force Method 力法的多重基本结构法 短句来源 By removing redundant restraints,the initial structure is equivalent to a statically determinate structure,named released structure,which subjects to loads,redundant forces obtained in elastic analysis and creep-redundant force changing with time due to the creep of structure. 该法去掉超静定结构中的多余约束,使原结构等效为一个同时承受外荷载、弹性多余力和随时间变化的徐变多余力的静定结构称为基本结构。 短句来源 Displacements on the directions of redundant forces can be obtained by creep analysis of released structure under every force mentioned above. 对基本结构分别进行承受每种力作用时的徐变分析,得到相应的在多余力方向上的位移。 短句来源
 “released structure”译为未确定词的双语例句
 By removing redundant restraints, the initial structure is equivalent to a statically determinate structure, named released structure, which subjected to loads, redundant forces obtained in elastic analysis and creep-redundant force changing with time due to the creep of structure. 位移法分析超静定结构徐变效应的关键是求单元的徐变固端力。 本文根据徐变分析的力法和虚功原理,推导出杆系结构一次加载的单元徐变固端力计算公式,发现单元的徐变固端力是杆件的徐变系数和弹性杆端力的函数。 短句来源 Displacements on the directions of redundant forces can be obtained by creep analysis of released structure under every force mentioned above. 根据推导出的公式,用FORTRAN语言编制了结构徐变分析的位移法计算机程序,并对一个框架算例进行了徐变分析。 短句来源
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 On ITS Structure 论ITS的结构体系 短句来源 The structure of P.C. 大跨度预应力混凝土斜拉桥（简称P．C．斜拉桥）结构不仅经济、美观，而且可以采用悬臂浇筑方法施工、使这一桥型得以迅速推广。 短句来源 Multiple Released Structure Method in Force Method 力法的多重基本结构法 短句来源

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 As a new type energy releasing structure, the energy-release pier was successfully used in the flood-discharge construotion at Zhelin Hydroelectric Station (Jiang xi Province). To evaluate the dynamio characteristics of the energy-release piers, the first 15 vibrational modes of whioh are caloulated by using SAP-5 allowing 3-dimension finite element analysis. With resonant peak method, the first eight natural frequencies of the prototype energy-release pier and the impact responses of... As a new type energy releasing structure, the energy-release pier was successfully used in the flood-discharge construotion at Zhelin Hydroelectric Station (Jiang xi Province). To evaluate the dynamio characteristics of the energy-release piers, the first 15 vibrational modes of whioh are caloulated by using SAP-5 allowing 3-dimension finite element analysis. With resonant peak method, the first eight natural frequencies of the prototype energy-release pier and the impact responses of the flood discharge ourrent correlated with the dynamic displacement and acceleration are measured. After analysed and ordered the data of pulse of the ourrent observed, according to the modal superimposition method the displacement response and dynamic stress history are calculated. The fatigue strength of the structure is checked. 消能掺气墩是新型消能结构,已成功地应用于江西柘林水电站泄洪建筑物之中。为了对消能掺气墩的动力特性作出评价,本文按三维有限元法,采用SAP-5动力分析程序,计算了该结构的前15阶固有频率与振型,并进行了原型振动试验,用共振峰值法测出了结构的八阶固有频率。测试了泄洪水流冲击作用下结构的动态位移、加速度响应,又根据水流脉动压力观测资料,加以分析整理,输入到SAP-5程序之中,按振型迭加法计算了结构的位移响应及动应力历程。校核了结构的疲劳强度。 The method of using various released structures in the moment diagram of each unit in force method is discussed in this paper. 本文主要讨论力法计算中,各单位弯矩图可采用不同的基本结构的方法。 Energy principle has proved in this paper that as Mohr Formula is applied in calcul ating displacements of statically indeterminate structures, in the unit state, the results of displacements are sometimes identical but sometimes are not, depending on different conditions, i.e, either the unit load acts on the released structures or on the oringinal statically indeterminate structures. This should be distinguished. 本文应用能量原理,证明了利用莫尔(O.Mohr)公式求解超静定结构位移时,由于约束条件不同,在单位状态中,单位荷载是作用于结构的静定基上,还是作用于原超静定结构上,所得的位移结果,有时是一致的;但也有不相同的情况。应予区别。 << 更多相关文摘
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