By comparing a number of dmt data with parameters of lab tests , cone penetration tests and vane shear tests from several magnitude projects in shanghai , the authors develop empirical formulae for calculating the bearing capacity of foundation soil from the dmt and assess their accuracy 利用上海地区部分重大工程中的扁铲侧胀试验数据，在与室内土工试验、静力触探试验及十字板剪切试验的试验参数相关分析的基础上，经数理统计后给出了上海地区用扁铲侧胀试验计算地基承载力的经验公式，并对其计算精度进行了评价。
Adopting the deformation harmony theory , the numeric calculation of the curve of load versus settlement is made . the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated . hence , under the condition of few or no static load test data , the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity , static cone penetration test and modification coefficient of depth , so it is remarkable to reduce the blindness of preliminary design of pile 通过室内试验及原位测试指标进行理论计算与现场实测值的对比，笔者引入了施工工艺修正系数k _ ( c1 )和k _ ( c2 )及深度修正系数，使理论计算值与现场实测值具有良好的一致性，进而通过变形协调理论对荷载?沉降曲线进行数值计算，并用不同施工工艺的实例说明了理论计算荷载?沉降曲线与实测荷载?沉降曲线的拟合效果，从而达到可在不做静载荷试验或少做静载荷试验的情况下通过剪切波速和静力触探试验指标以及施工工艺修正系数等预测黄土地基中钻孔灌注桩承载性状，这对于工程初步设计中减少设计的盲目性具有十分重要的现实意义。
The penetration test study the disturbance of soil in difference location . by using finite element method , the paper study the stratum movement and the earth surface deformation caused by pipe jacking , analysis the construction parameter such as head pressure , deflexion , friction force impact on earth surface deformation , give the distributing rule and range of additional soil pressure in soil 采用有限元计算分析的方法，对顶管施工引起的地层运动及地表位移进行研究，分析了机头土压力、机头偏斜、摩阻力等不同施工参数对地表变形的影响以及附加应力在土中的分布规律和影响范围。
The detection of foundation improvement now mainly depends on drilling hole test and standard penetration test , dynamic penetration test and plate loading test . but in the large area dynamic foundation , the relatively less measure points ca n ' t totally reflect the effect of dynamic compaction 现有的地基加固效果的检测方法主要是采用钻孔和标准贯入、动力触探和载荷试验等原位测试方法，对于大型的（或大面积的）强夯地基来说，测点相对较少，不能全面的反映地基强夯处理的效果。
( 4 ) to determine liquefaction potential in site , several viable approaches are used , and these are ( 1 ) the standard penetration test ( spt ) , ( 2 ) measurement of in - situ shear wave velocity ( vs ) , and ( 3 ) use of test data and seed & idriss method . considering the non - linear of the soil , we calculate the earthquake response of the soil with the hardin - drnevich model and the finite element method . finally , we estimate the liquefaction capability of the site during earthquake in xuzhou , jiangsu province 中国地展局工程力学研究所硕士学位论文川采用《建筑抗震设计规范》 ( gb50on一2001 )基于标准贯入试验的判别法、基于场地剪切波速的液化判别方法和seed一idriss简化法对可液化场地进行了液化判别;考虑土的非线性，采用等效线性化模型，利用有限元方法进行了场地的地震反应分析;并对沪蓉高速铁路徐州段可液化场地的地震液化性能做出了综合评价。
Correlative function method and variable function method are used to calculate the relevant range of soil layer . the limit capacity of bored pile is determined by the cone penetration tests ( cpt ) and the static loading tests and related statistics parameters are also evaluated . considering the effects of group piles , the action effect is calculated by the settlement of pile foundation and the reliability index of single pile as well as group piles is determined by monte - carlo method 本文选择临近场地的四座高层建筑地基的全部勘测资料，以沿深度方向的一维平稳高斯随机场作为桩基土层土性参数的数学模型，利用相关函数法和变异函数法计算土层的相关范围，由cpt和静载试验结果综合确定钻孔灌注桩的极限承载力，进而对相同场地各试桩的承载力进行折算后检验其概率分布，并估计有关统计参数：考虑群桩效应确定桩基承载力，由桩基沉降反算其作用效应，由monte - carlo方法计算单桩及群桩的可靠指标。
