| 1. | Segmented tangent modulus of nonlinear soil model
土体非线性模型的分段切线模量研究 |
| 2. | Metallic materials - determination of young ' s modulus , chord modulus , tangent modulus and poisson ' s ratio statical method
金属杨氏模量弦线模量切线模量和泊松比试验方法 |
| 3. | By using strain energy theory , tangent modulus theory is farther discussed and applied , and the combined theory of strength and stability is improved
利用应变能定理的概念对切线模量理论进行了新的论证和应用，进一步完善了强度稳定综合理论。 |
| 4. | The basic frame of the theory of tangent modulus in fracture mechanics is builded , and the new method of tangent modulus factor to calculate nonlinear critical fracture stress is presented
本文论述了断裂力学中的切线模量理论的基本框架，提出了求解非线性断裂临界应力的新方法? ?切线模量因子算法，并对该方法同现有的cod法作了理论上和计算上的比较。 |
| 5. | Further more , on the basis of analysis of triaxial tests , the initial elastic modulus , poisson ' s ratio and strength index included in differ models is analyzed , and the damage characteristics of q3 loess is indicated on the basis of changing of the initial elastic modulus
进而，整理分析了不同模型共同含有的初始切线模量、泊松比及强度指标，并根据初始切线模量变化规律揭示了黄土结构损伤特性。 |
| 6. | In this dissertation , the fact that the concepts of tangent modulus factor ( _ ( 1 ) , ) , proportional limit law ( pll ) and strength utilization ratio function ( surf ) in the combined theory of strength and stability ( ctss ) are the extension of concerned concepts in elastic mechanics is illustrated
本文说明了强度稳定综合理论中的切线模量因子、比例极限定律和强度利用率函数等概念是弹性力学有关概念的延伸，既可以用于强度理论，也可以用于稳定理论。 |
| 7. | Sm scales the nonlinear variation of tangential modulus during monotonic loadings into a piecewise linear distribution , which can easily be modified to simulate specific characteristics of soil material behavior during cyclic loadings . sm can simulate dynamic stress - strain response of arbitrary cyclic loadings
该模型将单调加载情况下呈非线性变化的切线模量量化成一种呈分段线性分布的几何结构，并通过对这种结构加以变换，来描述循环加载情况下材料的特性。 |
| 8. | The existed material fatigue performance test curves are dealt with and analyzed , and the non - dimensional stress - strain curve , tangent modulus factor curve and fatigue life curve are drawn based on the experiment data , and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent . it can be concluded that if the common character and system error of these materials are found , the test curve of a certain material can be used for reference by another material . this is a simple approach about fatigue life estimate and is engineering practical
对已有的材料力学疲劳性能试验曲线进行分析整理，利用试验数据绘制了相对应力应变曲线、切线模量因子曲线和疲劳寿命曲线，利用这三种无量纲参数曲线发现了其中存在的规律性，即在某种程度上实验曲线可以互相取代，并用试验数据对此进行了讨论，并由此推断，如果找出材料彼此的共性或彼此之间的系统误差就可以将一种材料的试验曲线供其它材料参考使用，这是一种估算材料的疲劳寿命的简便方法，对工程而言具有实用性。 |
| 9. | Theory analysis in this paper pointed out that the flexural - torsional buckling is the usual form of t - section steel . so the slenderness ratio of flexural - torsional buckling should be used when people give out the b / t ratio by the " equal stability " conception . initial stress , defects and tangent modulus are include in the deduce of the paper to get a rational b / t ratio
通过理论分析指出轴心受力剖分t型钢整体失稳以弯扭屈曲为主，所以在运用“等稳定”方法确定腹板宽厚比限值时应与杆件的扭转长细比“挂钩” ，并以此为出发点考虑残余应力、初始缺陷，应用切线模量推导出了较为合理的腹板宽厚比限值公式。 |
| 10. | According to the relationship between material fatigue performance curve and concerned parameters in fracture mechanics , the relationship between fatigue life and crack half length is obtained , that is equivalent crack length of fatigue life . the function relationships between these two aspects are constructed . the experiment data show that this method can express the same character of fatigue life of all kinds of materials and experiment data acquired from different materials can be used each other
通过材料力学疲劳性能曲线和断裂力学之间有关参量间的演变关系，得到了疲劳寿命与裂纹半长的关系，即疲劳寿命的折算裂纹长度，建立了两者之间的函数关系并利用这个函数关系说明了疲劳寿命的切线模量因子法，能反映各种材料疲劳寿命的共同变化规律，试验数据可在不同材料之间互相参考使用，具有重大意义。 |
