friction angle

Researches on p-y curves of large diameter piles are processing from fourfactors: soil friction angle, soil cohesion, soil unit weight and pile diameter.

研究了土的摩擦角、粘聚力、重度和桩径对大直径单桩的p-y曲线性状的影响，并总结出适合大直径桩的p-y曲线线型。

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Statistics Analysis on Friction Angle of Shear Strength for Clay

粘土抗剪强度内摩擦角统计分析

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Fractal dimension can be used to quantitatively describe jointroughbness and to and to estimate strength and friction angle of joint.

可以说，分维能定量地刻画节理的粗糙性，并有可能用来预测节理抗剪强度和节理摩擦角。

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In addition, the friction angle of the slope plays an important role when the rockfall rolling and sliding on the slope, it should be paid special attention too.

另外，边坡坡面摩擦角对于滚石在滚动和滑动阶段的运动轨迹和能量转化起着重要的作用，也需特别注意。

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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.

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。稳定系数随φ的增长率约是随C增长率的2倍。

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Discussion on the estimation of internal friction angle of jointed rock masses

节理岩体内摩擦角取值范围的探讨

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According to the theory that the bolt and the joint plane have the same distortion, the optimal anchoring angle and distortion angle are discussed, which are following with the changes of the tangential joint displacement and joint friction angle.

本文从理论分析出发，以锚杆和节理面共同变形为基础，探讨了锚杆最优锚固角和变形角随节理切向位移和节理摩擦角变化的规律。

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So the rules of earth pressure distributing along the length and the height of tunnel portal are carried out. The earth pressure action point and the rules of earth pressure variation with tunnel portal-soil friction angle can also be obtained. 2.

得到了沿隧道洞门墙长方向、墙高方向的分布规律、土压力作用点位置及隧道洞门墙-土体之间的摩擦角对隧道洞门上压力的影响规律。

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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

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Arrow key to power through the analysis of the seismic force to determine the structure facing the sector under the friction angle, rock slope stability safety factor and the critical slope excavation.

通过对关键力矢的分析，可以确定出地震力作用下结构面临界摩擦角、岩质边坡稳定的安全系数和开挖临界坡度。

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C and ( cohesive force and interior friction angle of slide surfaces);

C和φ（滑动面的内聚力和内摩擦角）；

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Along with the increase of the water content, the cohesion and internal friction angle decreases. 2. Flow discharges, slope, compactness are the main factors that effect on slope stabilization and scouring resistance ability.

放水流量、坡度和压实度是影响坡面稳定及抗冲刷性的主要因素。

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In this paper, the tangent modulus and the tangent Poisson's ratio computed with internal friction angle under convenient pressure and with non-linear variability of strength under high pressure were compared.

文中对用低压力下内摩擦角所算得的切线模量、切线泊松比和考虑高压力下强度非线性变化计算的数值进行了比较。

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To Measure Wall Friction Angle of Dolomite and Limestone

白云石、石灰石壁摩擦角的测量

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The factors, such as volumetric weight, the cohesion, the friction angle, the pore pressure ratio, earthquake intensity, slope ratio and the height of slope, which control and affect the stability of loess high slope were analyzed.

在此基础上，分析了影响黄土高边坡稳定性的因素，包括土体的容重γ、粘聚力c、内摩擦角φ、孔隙水压力比γu，地震烈度，边坡坡比和边坡高度H。

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And the density, cohesion, internal friction angle, compressive and tensile strength of the rock in XinQiao Pyrite iron mine are determined. 3.

测出了矿区主要矿岩体的密度、内聚力、内摩擦角、单轴抗压强度和抗拉强度等物理力学参数。

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Change in Internal Friction Angle in Molding Sand on Air Flow Press

气流紧实中砂型内摩擦角ψ的变化

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The research results provide the reference value for the choice of the cohesion and internal friction angle of rock samples in the process of geo-engineering design and numerical simulation.

研究结果对于岩土工程设计和数值计算时岩样黏聚力和内摩擦角的选取具有参考价值。

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With fill-age developing, friction angle of MSW increase monotonously, but cohesion force of it first increases and then decreases.

MSW试样的摩擦角随龄期的发展单调增加，但黏聚力随龄期先增大而后减小。

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The Friction Angle of the Fiber Against the Card Wire and the Method for Measuring It

纤维梳理摩擦角及测定方法

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As the backfill rate decreases, the displacements of side piers and bottom slap both have a trend of the decreasing, but the change is very slight; there are strong contacts between the cohesive force of soil C and internal friction angle?

回填土坡比减小时，边墩和底板位移有减小的趋势，但是变化比较小；土体强度参数粘聚力C和内摩擦角φ与边墩应力位移之间均存在很强的相关关系。

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Slide-resistant pile program has realized these fuctions which are given slip surface count internal friction angle, given the shape of sliding surface design calculation, given the landslide thrust design calculation of landslide, given sliding surface moment, shear force design calculation. 5.

抗滑桩程序设计，实现了对给定滑动面形状反算内摩擦角、给定滑动面形状进行设计计算、给定滑坡推力进行设计计算以及给定滑动面处弯矩、剪力进行设计计算的功能。

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The researched results show that the calculated curves of pore distribution fractal dimension of micro-structure, cohesive force c and internal friction angle?

结果表明：所给出的非线性动力学模型计算得到的微结构孔隙分布分维值Ds、粘聚力c和内摩擦角？

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Through analyzing the dynamic strength testing data, it is found that under natural moisture state, the cohesion C of the interbed is reduced when compared with its static value, and on the contrary, its internal friction angle φ exhibits an increase.

对无泥型软弱层带在动荷载下的强度试验表明，天然含水状态下，软弱层带从静荷载至动荷载，显示出内聚力C减小幅度较大，而内摩擦角φ反而有所增加；

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Little influence has variation of water content on dynamic friction angle.

动摩擦角几乎不受含水量的影响.

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The undrained strength index μ in term of cohesive soils was brought forward in allusion to the cohesive soils in the consistence plastic state, and can effectively combine the friction angle and the cohesion of cohesive soils in undrained condition.

针对硬塑状态的粘性土，提出了不排水强度指数μ的概念，综合了粘性土不排水条件下内摩擦角和粘聚力。

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By sensitivity analysis, the sequence of factors that influence the critical pile space is: residual slip force of sliding mass, internal friction angle of soil mass, cohesion of soil mass, width of pile.

通过敏感性分析，对于临界桩净间距而言，各影响因素的敏感性大小排序为：滑体剩余下滑力、土体内摩擦角、土体粘聚力、桩宽度。

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Destabilizing pattern is mainly related to the friction angle φ and cohesion force C of contact surface ( between beam body and surrounding rock).

失稳形式主要与接触面（梁体与围岩之间）的摩擦角φ和粘聚力C有关；

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All the factors of safety Fmax, Fmin and Fave increased with the increasing of height of retaining wall H2 and the friction angle between the retaining wall and the liner system δ DA. It was found that the retaining wall significantly affected the stability of landfill.

Fmax、Fmin和Fave都随着垃圾坝高度H2和底部摩擦角δDA的增加逐渐增大，垃圾坝对填埋场的稳定性有较大影响。

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A direct shear apparatus development for grain internal friction angle measurement

测定粮食内摩擦角的直剪仪研制

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