| 1. | Feasibility analyses of small - scale triaxial test in measuring internal friction angle
小三轴压缩试验确定内摩擦角的可行性 |
| 2. | Vetiver grass is found to increase adhesion and internal friction angle , enhance shear strength and improve soil stability
通过试验分析发现，香根草护坡可以提高土的黏聚力和内摩擦角，从而提高土的抗剪强度，进而增加土壤稳定性。 |
| 3. | The results show that the internal friction angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in - situ stress and support resistance all are certain
分析结果表明，在地应力和支护阻力一定时，岩石的内摩擦角对深埋巷道围岩位移的影响最为明显。 |
| 4. | 3 . by sensitivity analysis of influence parameters of stability coefficient , this result can be gained , which is internal friction angle is more sensitive than cohesion to stability coefficient of landslide
3 .通过对滑坡灾害影响参数的敏感性分析，计算成果表明，稳定系数对内摩擦角的反应比对内聚力的反应灵敏得多。 |
| 5. | The long term strength prediction method is put forward under the assumption that cohesion c varies in the same way as friction angle , and shearing stress varies in the same way as normal stress
依据双曲线应力应变关系，假设堆石结构强度c与内摩擦角的变化规律相同，剪应力与法向应力的变化规律相同，得出堆石长期强度的求解方法与过程。 |
| 6. | The results show that the cohesion of unsaturated soil changes greatly , and the friction angle changes a little with soil moisture content it is also shown that the deeper of soil layer , the smaller of the extent of shearing strength improved
结果表明，植被具有提高非饱和土抗剪强度的作用，黏聚力增加较大，内摩擦角增加相对较小；土层越深，土壤抗剪强度提高的程度越小。 |
| 7. | ( 5 ) for slope safety problem , the paper analyzed the sensitivity of parameter . the result shows that e , v , , k0 have little affecting on slope safety , friction angle and cohness c are main factors . providing a theoretics gist for reinforcing bank
结果表明，弹性模量e 、泊松比、剪胀角和侧压力系数_ 0对边坡的安全系数影响不大，影响边坡安全系数的土体参数主要为内摩擦角和内粘聚力c ，为边坡稳定的治理提供了理论依据。 |
| 8. | The deformation characteristics of pavement section and soft soil subgrade under traffic load are analyzed , considering the effects of load ( including type , amplitude and frequency ) and parameters of soft soil ( including resilient modulus , cohesion , internal friction angle , poisson ratio , damping ratio et al )
分析了荷载因素(包括荷载类型、荷载幅值、荷载频率)和地基土体参数(包括回弹模量、内聚力、内摩擦角、泊松比、阻尼比)对变形的影响。 |
| 9. | According to elasto - plasticity theory , with the help of finite - method program ansys , the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle , and attains the relations of pile - tip bearing capacity to embedment depth , pile diameter , cohesion , internal friction angle and modulus of deformation . by the means of mathematical statistic , regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests . by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test , the regression equation is gained which calculates the size effect for base resistance of large diameter pile
根据弹塑性理论，运用大型有限元软件ansys按正交设计理论对桩端承载力进行模拟计算，获得桩端承载力与桩长(埋置深度) 、桩径、粘聚力、内摩擦角及变形模量等主要影响因素的关系，并采用数理统计方法，对81组ansys模拟试验结果数据进行回归分析，得到有限元法确定桩端极限承载力的回归公式，并将有限元法回归公式计算值与现场小压板载荷试验值进行比较分析，得到大直径桩端阻的尺寸效应系数计算公式。 |
| 10. | According to the engineering experiences and the correlation criteria , 13 kinds of factors are selected and each factor ' s subordinate functions are constructed in the first model , at the same time the two - stage index values of the effect factors are determined according to the statistical method . for the other model , the cohesion and the internal friction angles of the rocks are regarded as the fuzzy - random variables
本文根据实际工程经验及相关规范，提出了13种影响坝肩岩体稳定的影响因素，其中包括10种定量因素和3种定性因素，并且构造了各因素的隶属函数，还根据专家调查法和统计方法确定了各级因素的权重系数，利用二级模糊综合评判法对坝肩岩体进行综合评判。 |
