| 1. | Stability analysis of the building foundation for goaf
采空区建筑地基稳定性评价研究 |
| 2. | Finite element simulation of the base stability on empty district
采空区地基稳定性有限元模拟 |
| 3. | So it is necessary to consider the structural shear strength increase , then the results calculated of foundation stability is more reliable
因此，只有考虑到地基土的结构强度增长，对每级堆载地基稳定性进行计算才更为合理。 |
| 4. | The study of the characteristics and the constitutive model of the tamped soil is the key to solution of the stability problems concerning evaluation and pred iction of bearing capacity
夯后高饱和度地基土的工程特性和本构模型的研究，是解决评价和预测夯后地基土承载力等地基稳定性问题的关键。 |
| 5. | After high - saturated soil of a foundation is processed by dynamic consolidation , most deformation of the soil is eliminated under construction loading ; the strength of the soil is the factor controlling the stability of the foundation
高饱和度地基土经强夯法处理后，在建筑物荷载下夯后土的变形大部分被消除，土的强度是地基稳定性的控制因素。 |
| 6. | For the high - class highways builded on the area of lacustrine deposits soft soil , because earth fill of subgrade is very high and construction period is very short , the controlling of subgrade stability and settlement are the two key techniques
对于通过湖相沉积软土地区的高等级公路，当路基填土较高、工期较短时，必须解决地基稳定性控制及沉降控制两个关键技术问题。 |
| 7. | In harbor engineering , reliability has been introduced to the design of foundations based on the limit equilibrium methods . in this paper perturbation stochastic finite element program was compiled to calculate and analysis the reliability of the foundation on muti - layered subsoils
本文将随机有限元法引入到地基承载力的计算中，编制了摄动随机有限元程序，对地基稳定性和可靠度指标分布情况进行了计算分析。 |
| 8. | Based on comparison of several technical schemes , the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted . so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing , including numerical analyses for the thickness of sand bedding , the consolidation , settlement and stability of foundation , drainage , possibility of foundation liquefaction under seismic loading , et al . ( 2 ) monitoring at construction stage and checking the effect of foundation treatment , including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank , pore pressures and horizontal displacements in foundation , the pressure distribution at the bottom of oil tank and the strength increase of soils
通过多种技术方案比较，最终选择了技术先进的砂垫层预抬高分级充水预压法，论文工作主要由以下两部分组成： ( 1 )砂垫层预抬高分级充水预压法的适用性研究，其中包括砂垫层厚度、地基沉降与固结度、地基稳定性、降水、地震作用下砂土液化的可能性等方面的计算分析； ( 2 )施工监测与地基处理效果检验，其中包括油罐环梁基础沉降速率与不均匀沉降程度、各分级充水加载阶段地基超静孔压与深层水平位移、油罐底板压力分布及地基土强度增长等方面的实测与数据分析。 |
| 9. | By analyzing data of in - situ and laboratory in a certain project , the foundation stability is calculated with considering structural shear strength and meanwhile the foundation stability is also calculated with apparent strength increase total stress and the effective stress method considering the over - static water pressure ; and then the result could be gained : conventional method is conservatism
结合具体的工程实例，对各种原位和室内试验进行统计分析，对地基土进行考虑结构强度增长的总应力法稳定性计算，并与考虑表观强度增长的总应力法和考虑超孔隙水压力的有效应力法地基稳定性计算进行对比。 |
| 10. | How the change of space between driven piles and stabilizing piles and how the change of exertion coefficient of the between - pile soil intensity parameters will influence the foundation stability are analyzed . the safe space between piles of different reinforcement schemes is initially confirmed . the test results and stability analysis indicates that : it is safer to construct embankment upon level soft - soil foundation than slope soft - soil foundation ( 1 : 10 )
( 2 )用土工专业软件geo - slope对不同情况下的地基进行了稳定性分析，结合斜坡软弱土地基路堤的离心模型试验结果与室内土工试验测得的参数，推求出了地基土的强度指标；分析了软弱土层c 、值的变化对地基稳定性的影响；探讨了打入桩方案和抗滑桩方案桩间距的变化和桩间土强度参数的发挥系数的变化对地基稳定性的影响，初步确定了不同加固方案的安全桩间距。 |
