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分级加载     
相关语句
  step loading
     Neural network model for rheology of rock and soil under step loading
     分级加载下岩土流变的神经网络模型
短句来源
     This paper presents a numerical method called the finite strip plasticity coefficient increment initial stress method for sloving the ultimate load of elastic-plastic stability of steel columns. Step loading and finite strip principle are employed to establish the incremental equilibrium equation of structures.
     本文提出了有限条塑性系数增量初应力法,用于分析钢压杆的弹塑性稳定极限承载力.该法采用分级加载,用有限条法建立结构的增量平衡方程;
短句来源
     The calculated settlement and pore water pressure were presented and compared with the situ values. The results show that both the peak of the pore pressure and the settlement calculated by nonlinearity elastic model are bigger than that of linearity elastic model, and the nonlinearity elastic model can simulate the behavior of the settlement and the pore pressure dissipation more exactly during the step loading process.
     研究结果表明:采用非线性弹性模型计算的孔隙水压力峰值和沉降量均大于弹性模型计算值,能模拟在分级加载过程中砂井地基的沉降和孔隙水压力消散的规律;
短句来源
     In light of the problem of describing nonlinear rheology of rock and soil with principle of linear superposition,a neural network model for rheology of rock and soil under step loading has been established with artificial neural network instead of traditional mathematical and mechanical methods.
     针对分级加载下用线性叠加原理来描述岩土非线性流变存在的问题,采用人工神经网络方法代替传统数学力学方法,建立了分级加载下岩土流变的神经网络模型,并且对具体岩石的蠕变试验曲线进行了模拟。
短句来源
     By simulating the experimental creep curves of gypsum breccias,it is shown that the model can effectively describe nonlinear rheology of rock and soil with better prediction. This approach provides a new way for studying rheological properties of rock and soil especially nonlinear rheological properties under step loading.
     结果表明,该模型能较好地描述岩土的非线性流变,具有较强的泛化能力,为研究岩土的流变特性特别是分级加载下岩土的非线性流变特性提供了一条新途径。
短句来源
  multi-stage loading
     The validity of the approach has been proved by the multi-stage loading strain-fatigue test data for 2024-T4 aluminum all0y.
     其有效性得到了2024-T4铝合金分级加载应变疲劳试验数据的验证。
短句来源
     Secondly, the method is generalized to the case of multi-stage loading, and the settlement parameters in each stage loading are calculated like as in the single-stage loading.
     其次,利用叠加原理将单级荷载下的沉降计算公式推广到分级加载情况下,并给出了分级加载情况下参数推算的方法。
短句来源
     Prediction method of settlement under multi-stage loading
     分级加载条件下沉降预测方法
短句来源
     By continuously loading and multi-stage loading,the creep test on Nanyang marble is performed by using the self-developed UCT-1 apparatus of creep test.
     利用自行研制的UCT-1型蠕变试验装置,采用单调连续加载和分级加载方式,对南阳大理岩进行了单轴压缩蠕变试验研究。
短句来源
     The new method is also compared with BP artificial neural network model and traditional hyperbola method. The prediction results indicate that the SVM model has a better prediction ability than BP neural network model at the same training set mean-square error. Utilizing the settlement data under multi-stage loading,SVM model has a better reflection for foundation soil deformation trend compared with hyperbola method only using the data under pre-loading.
     提出了基于支持向量机(SVM)模型对公路软基沉降进行预测的一种新方法,工程实例预测结果表明,在同样的训练均方误差下,SVM模型预测能力要优于BP神经网络模型,同时该模型能够综合利用分级加载过程中的沉降观测数据作为训练样本集,比仅依靠预压期内部分实测沉降数据的双曲线法更能反映地基土的变形趋势。
短句来源
更多       
  step load
     STUDY ON CREEP PROPERTIES OF ROCK UNDER STEP LOAD
     分级加载下岩石蠕变特性研究
短句来源
     Settlement Prediction Model for Soft Clay Roadbed Step Load
     软土路基分级加载沉降预测模型及应用
短句来源
     Based on the unified creep model and the relevant creep equations,the creep properties of rock under step load is studied,and the corresponding creep parameters by fitting curves are obtained.
     根据统一蠕变模型和该模型导出的蠕变方程,研究了分级加载条件下的岩石蠕变特性,并且通过曲线拟合得出了相应的蠕变参数。
短句来源
  multi stage loading
     Evaluating the formulas by the multi stage loading creep test data for two kinds of Cr Mo V steels,it has been proven that the prediction results of the formulas are more accurate than those of the linear law.
     2种Cr-Mo-V合金钢分级加载蠕变试验数据的评估结果表明,其预测寿命的精度较线性法则有明显提高。
短句来源
     The FEM with Biot's consolidation theory is used to analyze the processing of embankment foundation settlement under multi stage loading.
     结合粉喷桩在杭州绕城高速公路中的应用 ,采用 Biot固结有限单元法分析了分级加载条件下路堤的沉降过程。
短句来源

 

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  step loading
strain developed in a specimen under step-by-step loading was measured.
      
In this paper, to begin with, the nonlinear differential equations of a truncaled shallow spherical shell with variable thickness under uniformly distributed load are linearized by step-by-step loading method.
      
One-dimensional wave propagation in column under step loading and impulsive loading are analyzed with the developed finite element program.
      
The quasi-static behavior of the viscoelastic Timoshenko beam under step loading is analyzed and the analytical solution is obtained.
      
The quasi-static behavior of the viscoelastic Timoshenko beam under step loading was analyzed and the analytical solution was obtained in the Laplace transformation domain.
      
更多          
  step load
Let its dynamic buckling under step load be reduced to a bifurcation problem caused by the propagation of axial elastic-plastic stress wave.
      
The infinitely long layers are joined together by an elastic bonding agent and one of the layers is subjected to a step load which moves with a constant speed along the layer.
      
Metastability and chaoslike phenomena in nonlinear dynamic buckling of a simple two-mass system under step load
      
Nonlinear dynamic buckling of nonlinearly elastic dissipative/nondissipative multi-mass systems, mainly under step load of infinite duration, is studied in detail.
      
A set of wave propagation and structural dynamics problems, subjected to various load forms such as Heaviside step load, triangular blast load and ramped wind load, are modelled using the new approach.
      
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