soil friction

the soil friction angle have a strong impact on limit support pressure and collapse state.

内摩擦角是对极限支护力及开挖面失稳破坏状态影响较为显著的土层材料参数。

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The triaxial shearing test showed that the cohesion of sand reinforced with the fibre of sand thorn or sand willow was increased by 2.5~ 4 times; the cohesion and the angle of internal friction were increased by 0.25~ 0.40 times for the reinforced clay soil.

三轴剪切试验结果表明，沙棘、沙柳须根的加筋作用使沙土的粘聚力c值提高了2.5~4.0倍，使粘性土的粘聚力c值及内摩擦角φ值均增加0.25~0.40倍。

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variation of scouring depth for different bank soil friction angle

不同河岸土体的河床冲刷深度

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Soil parameters such as soil types, internal friction angle, pipe-soil interaction;

岩土材料参数如土体类型、岩土的内摩擦角、管土相互作用等；

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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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When it was tensile failure, the curve of stress-strain relationship was softening and the reinforcement only increased the angle of internal friction of soil.

当发生拉断破坏时，其应力-应变曲线为软化型，此时加筋仅增加土体的粘聚力分量；

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Results show that degree of compaction, compaction water content and saturation state of compacted soil have influence on cohesion and angle of friction of clay, thereby on the shear strength of clay.

试验表明，压实度、压实含水量及土体饱和状态对粘聚力和内摩擦角有影响，从而使抗剪强度也受到三因素的影响。

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Redriving Technique of "Steel Lagged Pile Vibrating-Hamming" for Reinforced Concrete Friction Piles with Medium to Long Intermittence in Soft Soil

软土中长期间歇的钢筋混凝土摩擦桩钢套桩震动&锤击法复打技术

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Investigation on the relationship between sliding speed and soil-metal friction

金属-土壤摩擦阻力与滑动速度关系的研究

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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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