三. 土的基本物理力学性质 1.cc compression index 2.cu undrained shear strength 3.cu/p0 ratio of undrained strength cu to effective overburden stress p0 (cu/p0)NC ,(cu/p0)oc subscripts NC and OC designated normally consolidated and overconsolidated, respectively 4.cvane cohesive strength from vane test 5.e0 natural void ratio 6.Ip plasticity index 7.K0 coefficient of “at-rest ”pressure ,for total stressesσ1 andσ2 8.K0’ domain for effective stressesσ1 ‘ andσ2’ 9.K0n K0 for normally consolidated state 10.K0u K0 coefficient under rapid continuous loading ,simulating instantaneous loading or an undrained condition 11.K0d K0 coefficient under cyclic loading(frequency less than 1Hz),as a pseudo- dynamic test for K0 coefficient 12.kh ,kv permeability in horizontal and vertical directions, respectively 13.N blow count, standard penetration test 14.OCR over-consolidation ratio 15.pc preconsolidation pressure ,from oedemeter test 16.p0 effective overburden pressure 17.p s specific cone penetration resistance, from static cone test 18.qu unconfined compressive strength 19.U, Um degree of consolidation ,subscript m denotes mean value of a specimen 20.u ,ub ,um pore (water) pressure, subscripts b and m denote bottom of specimen and mean value, respectively 21.w0 wL wp natural water content, liquid and plastic limits, respectively 22.σ1,σ2 principal stresses, σ1 ‘ andσ2’ denote effective principal stresses 23.Atterberg limits阿太堡界限 24.degree of saturation饱和度 25.dry unit weight干重度 26.moist unit weight湿重度 27.saturated unit weight饱和重度 28.effective unit weight有效重度 29.density密度 30.compactness密实度 31.maximum dry density最大干密度 32.optimum water content最优含水量 33.three phase diagram三相图 34.tri-phase soil三相土 35.soil fraction粒组 36.sieve analysis筛分 37.hydrometer analysis比重计分析 38.uniformity coefficient不均匀系数 39.coefficient of gradation级配系数 40.fine-grained soil(silty and clayey)细粒土 41.coarse- grained soil(gravelly and sandy)粗粒土 42.Unified soil classification system土的统一分类系统 43.ASCE=American Society of Civil Engineer美国土木工程师学会 44.AASHTO= American Association State Highway Officials美国州公路官员协会 45.ISSMGE=International Society for Soil Mechanics and Geotechnical Engineering 国际土力学与岩土工程学会
十二. 地基承载力--bearing capacity of foundation soil 1.punching shear failure冲剪破坏 2.general shear failure整体剪切破化 3.local shear failure局部剪切破坏 4.state of limit equilibrium极限平衡状态 5.critical edge pressure临塑荷载 6.stability of foundation soil地基稳定性 7.ultimate bearing capacity of foundation soil地基极限承载力 8.allowable bearing capacity of foundation soil地基容许承载力
十七. 浅基础--shallow foundation 1.box foundation箱型基础 2.mat(raft) foundation片筏基础 3.strip foundation条形基础 4.spread footing扩展基础 5.compensated foundation补偿性基础 6.bearing stratum持力层 7.rigid foundation刚性基础 8.flexible foundation柔性基础 9.embedded depth of foundation基础埋置深度 10.net foundation pressure基底附加应力 11.structure-foundation-soil interaction analysis上部结构-基础-地基共同作用分析
十八. 土的动力性质--dynamic properties of soils 1.dynamic strength of soils动强度 2.wave velocity method波速法 3.material damping材料阻尼 4.geometric damping几何阻尼 5.damping ratio阻尼比 6.initial liquefaction初始液化 7.natural period of soil site地基固有周期 8.dynamic shear modulus of soils动剪切模量 9.dynamic magnification factor动力放大因素 10.liquefaction strength抗液化强度 11.dimensionless frequency无量纲频率 12.evaluation of liquefaction液化势评价 13.stress wave in soils土中应力波 14.dynamic settlement振陷(动沉降)
十九. 动力机器基础 1.equivalent lumped parameter method等效集总参数法 2.dynamic subgrade reaction method动基床反力法 3.vibration isolation隔振 4.foundation vibration基础振动 5.elastic half-space theory of foundation vibration基础振动弹性半空间理论 6.allowable amplitude of foundation基础振动容许振幅 7.natural frequency of foundation基础自振频率