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   双线性弹性 在 建筑科学与工程 分类中 的翻译结果: 查询用时:0.871秒
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双线性弹性
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  “双线性弹性”译为未确定词的双语例句
    Three other hysteretic models,including elastic perfectly-plastic(EPP),shear-slipped(SSP) and bilinear elastic(BIL),are analyzed to examine the effect of energy-dissipating capacity and stiffness degradation on the R spectra,and the results,together with the R spectra for MC model,are compared.
    为了分析耗能能力、刚度退化的影响,将延性和耗能能力作为两个独立变化的因素,分析了理想弹塑性(EPP)、剪切滑移(SSP)和无任何耗能能力的双线性弹性(BIL)模型下的R谱,与MC滞回模型下的R谱一起相互之间进行了对比。
短句来源
    Importance of ductility, damping and the energy-dissipating capacity through plasticity in earthquake-resistance and vibration absorption is explored in this thesis through analysis of SDOF with different hysteretic models under impact and harmonic loads. Ideal elastic-plastic (EPP), elastic-linearly-hardening (ELH), shear-slipped (SSP) and bilinear-elastic (BIL) are studied.
    本文首先通过对冲击和简谐荷载作用下的不同滞回模型(理想弹塑性(EPP)、弹塑性-线性强化(ELH)、滑移剪切(SSP)和理想双线性弹性模型(BIL))的SDOF(single degree of freedom)振子进行了理论和数值的分析,以考察塑性耗能、阻尼耗能和延性对于抗震和减振的意义。
短句来源
    Using the RMB-150B,the rock mechanics test system,the complete stress-strain curves of marble from Yaan,Sichuan province,and the relationship among the yield strength,peak strength,residual strength and the confining pressure are obtained. Based on the plastic theories,the bilinear elastic-linear strain softening- residual ideal plastic model is put forward and applied to marble,and the constitutive equation of marble is obtained. The constitutive equation of strain softening is discussed especially.
    利用RMB-150B岩石力学试验系统研究了雅安大理岩围压为0~30 MPa的应力-应变全过程曲线,建立了屈服强度、峰值强度、残余强度和围压的关系,根据塑性力学的相关理论,提出双线性弹性-线性软化-残余理想塑性四线性模型,并应用于大理岩,得到了大理岩各段的本构方程,并特别讨论了软化段。
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  bilinear elastic
An analogy is established between the solutions of the problems of singularities of stresses in linear and bilinear elastic isotropic media.
      
Simple bilinear elastic-plastic material models were used for the materials studied, A286 Steel and Inconel 625.
      


Using the RMB-150B,the rock mechanics test system,the complete stress-strain curves of marble from Yaan,Sichuan province,and the relationship among the yield strength,peak strength,residual strength and the confining pressure are obtained. Based on the plastic theories,the bilinear elastic-linear strain softening- residual ideal plastic model is put forward and applied to marble,and the constitutive equation of marble is obtained. The constitutive equation of strain softening is discussed especially. The results...

Using the RMB-150B,the rock mechanics test system,the complete stress-strain curves of marble from Yaan,Sichuan province,and the relationship among the yield strength,peak strength,residual strength and the confining pressure are obtained. Based on the plastic theories,the bilinear elastic-linear strain softening- residual ideal plastic model is put forward and applied to marble,and the constitutive equation of marble is obtained. The constitutive equation of strain softening is discussed especially. The results indicate that the theoretic model fits well with the test.

利用RMB-150B岩石力学试验系统研究了雅安大理岩围压为0~30 MPa的应力-应变全过程曲线,建立了屈服强度、峰值强度、残余强度和围压的关系,根据塑性力学的相关理论,提出双线性弹性-线性软化-残余理想塑性四线性模型,并应用于大理岩,得到了大理岩各段的本构方程,并特别讨论了软化段。结果表明,理论模型和试验结果吻合较好。

Based on an elasto-plastic time-history earthquake analysis of a single degree of freedom system(SDOF),the seismic force modification factor R of the modified-Clough(MC) model,which can be employed to represent structures that exhibit stiffness degradation when subjected to cyclic loading,is investigated.A total of 370 earthquake records from 4 sites are employed to calculate the structure response and the factor R for different structure periods,ductility,damping ratios and the post-yield stiffness ratios.It...

Based on an elasto-plastic time-history earthquake analysis of a single degree of freedom system(SDOF),the seismic force modification factor R of the modified-Clough(MC) model,which can be employed to represent structures that exhibit stiffness degradation when subjected to cyclic loading,is investigated.A total of 370 earthquake records from 4 sites are employed to calculate the structure response and the factor R for different structure periods,ductility,damping ratios and the post-yield stiffness ratios.It is found that the most important factor in determining R is the ductility,while both damping and the post yield stiffness have a minor effect in the short period range.The R spectra are normalized by using the characteristic period Tg of the ground motion to maintain the peak behavior near Tg.Simplified formulae are proposed for the R spectra.Three other hysteretic models,including elastic perfectly-plastic(EPP),shear-slipped(SSP) and bilinear elastic(BIL),are analyzed to examine the effect of energy-dissipating capacity and stiffness degradation on the R spectra,and the results,together with the R spectra for MC model,are compared.It is found that the energy dissipating capacity has nearly no effect on the R spectra in the middle-to-long period range.This provides an explanation on the recent American practice that emphasizes more on the ductility than on the energy dissipating capacity.Comparison between EPP and MC models indicates a smaller strength requirement for the latter model within medium periods.

采用反向加载时刚度退化的修正克拉夫(Modified-Clough,MC)滞回模型,计算了单自由度体系(SDOF)在四类场地下各74~106条地震波输入后的弹塑性动力时程响应,得到了不同自振周期、延性、阻尼比和后期刚度系数等参数组合下的地震力调整系数R。结果表明,影响R的决定性因素是结构的延性,延性越大R越大;阻尼比、后期刚度对R的影响是第二位的,而且只在短周期范围内比较明显。对R谱的横轴做标准化处理后,较好地保留了R谱在特征周期处的峰值特征,并提出了R的计算公式。为了分析耗能能力、刚度退化的影响,将延性和耗能能力作为两个独立变化的因素,分析了理想弹塑性(EPP)、剪切滑移(SSP)和无任何耗能能力的双线性弹性(BIL)模型下的R谱,与MC滞回模型下的R谱一起相互之间进行了对比。结果表明,在延性保持相同的情况下耗能能力在中长周期结构中对地震力调整系数几乎没有影响,这一结论对美日等国近几年引入一些注重延性而不单纯看重耗能能力的细部构造提供了理论解释。在中等周期范围内,刚度退化的MC结构比EPP结构的强度需求反而要小。

 
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