固结了的

On the base of analysis concerning Tianjing and Tanggo-Xingang soil properties and observation results of settlements, some rules of settlement of buildings in the area were obtained. Final settlements, settlements at end of construction and the time of final settlement were discussed. Tests used for determining paramcters of four models were introduced. The parameters in Duncan-Chang model are determined from isotropic consolidation test and the parameters in Gong-Xiannan model from Ko consolidation tests while the parameters in the model proposedin chapter 2 from the equal increment stress ratio test and ones in the bounding surface model developed in chapter 3 from the effective stress-path of CIU test.

根据天津市区及塘沽新港地区的地基土质情况以及沉降观测资料，分析了该地区建筑物沉降的一些规律，讨论了最终沉降量，完工时的沉降量以及沉降稳定时所需要的时间，介绍了确定各模型参数所需要的试验：Duncan—Zhang模型参数根据等向固结的三轴试验确定；龚晓南Ko固结模型根据Ko固结三轴试验确定；本文建立的非线性弹性模型根据等向增量应力比试验确定，边界面模型参数可根据固结不排水剪切试验的有效应力路径确定。

Time is adopted to analyze excess pore water pressure due to driven pile in clay; and a formula is derived.

引入时间参数分析在粘土中沉桩时所引起的超静孔隙水压力，给出了考虑固结效应的超静孔隙水压力的解。

The main results of the study are obtained as follows:1 In order to analyze and study the physical and mechanical characteristics of Lianyungang marine soft clay deeply, large numbers of basic mechanical characteristics tests and tri-axial shear tests are completed.2 In order to investigate the loaded and failure characteristics of the cement-soil, the cement-soils for the different ratio and different cure time are studied in the laboratory, and their unconfined compression tests and tri-axial shear tests are performed.3 Based on the solution of one-dimension consolidation, the one-dimension consolidation of the double-layered foundation is solved for two-grade loading in virtue of transcendental equation; Simultaneously, the one-dimension consolidation of the double-layered foundation is solved by means of Laplace transform for two-grade loading, and Stehfest numerical transform is applied in Laplace's inverse transformation; Furthermore, according to the practical foundation shapes, the consolidation models of the soil between piles and the substratum are built and solved respectively.4 The effect of each parameters on the consolidation of the double-layered foundation is discussed, and the solution of load transfer method for double-layered foundation is applied in A1-A4 section of Lian-Xu expressway. The results of calculating settlement of the double-layered consolidation theory are basic agreement with the measuring settlement results.

取得了以下几方面的研究成果：1针对连云港海相软土进行一维固结和三轴剪切试验，深入分析连云港海相软土的物理力学特性。2模拟水泥土搅拌桩施工，在室内制备不同配比、不同龄期的水泥土试样，并进行无侧限抗压试验和三轴剪切试验，揭示水泥土的受力特性及破坏特性。3运用超越方程，以双层地基一维固结解析解为基础，推导出二级加荷条件下双层地基的固结解析解；同时，通过荷载传递法并借助Laplace变换对双层地基的固结问题进行了数值求解；此外，根据实际的地基结构，建立了桩间土和下卧层的固结模型并分别进行求解分析。4分析探讨了双层地基中各参数对双层地基固结的影响程度，并运用荷载传递法的解答计算了连-徐高速公路A1-A4标水泥土搅拌桩处理段的六个断面，计算结果与实测数据有较好的一致性。

Then, the quasi-overconsolidation ratio is introduced to consider the effect of super pore pressure; and the fitting formulation is applied to consider the influence of shearing strain. The degenerated formulation of undrained strength of saturated loess is deduced at last; and its reasonableness is proved by the test results.

在此基础上，引入似超固结比的概念来考虑超孔隙水压力的影响，应用拟合公式来考虑剪切变形的影响，最终推导出了饱和黄土不排水强度的退化公式，与试验结果的对比证明了理论公式预测结果的合理性。

The test object was remolded soil after K0 consolidation. Using advanced stress path triaxial system, STDTTS+UNSAT (7kN/1700 kPa) produced by GDS of UK, the effect of stress path circumgyration on shear modulus and the trend of shear modulus along with variation of shear strain under small strain were studied. Some conclusions were drawn.

以重塑土经K0固结形成的试样为试验对象，采用英国GDS公司生产的STDTTS+UNSAT (7kN/1700 kPa)型号高级应力路径三轴测试系统，研究了在小应变范围内应力路径旋转对土体剪切模量的影响以及剪切模量随应变变化的趋势。

Iron grade is 35%～60%.Utilization of pyritic slag, the study on production of DR process metallization nodule with pyritic humidifying granding and forming was proposed.

利用硫酸烧渣，进行了煤基直接还原生产金属化团块的研究，提出了润磨造球-预热焙烧-磁选-冷固结成型的新工艺流程。

All model parameters could be easily gained from the results of one-dimensional compression tests and triaxial undrained shear tests.

分别计算了代表性等向和K0固结黏土的三轴不排水等应变率加载、不排水剪切蠕变及蠕变破坏过程，与试验结果进行对比，验证本文模型的有效可行性。

YTG solidating agent will jelling with soil granule,A new kind of lattice appears in soil.The compressive effect will make the connection among lattice more tight.YTG improve the physical and mechanical behavior of soil.And this kind of jelling effect can process in water and air.

通过对YTG岩土固化剂在渠道防渗实际工程中的应用，分析论证了YTG与土颗粒胶凝在一起，形成新的格构，初期施工的压实效应会使格构间联系的更加牢固，YTG改善了土的物理力学性能，发挥了固结剂的强度。

According to the appearance that the gas in soil can effect the propagate of stress wave, and combine with some test conclusions in three—phase saturated soil under explosion wave, theory of mixture is applied in this paper and the dynamic analysis model and constitutive relation are built.

根据土中气体的存在对应力波的传播有显著影响的现象，以三相饱和土为研究对象，结合三相饱和土在爆炸载荷作用下的有关试验结论，以混合物理论为基础建立动力分析模型和本构关系，在此基础上得到用于三相饱和土的有限元方程，计算结果揭示了动力固结法的若干特点。

The results show that the prediction errors of the variance and curve shape between the quasi consolidation model and hyperbolic model are small and with the verification of the hyperbolic model, the quasi consolidation model can give a better prediction of post-construction settlement of the loess subgrade.

结果表明：双曲线模型与似固结模型的误差平方和与预测曲线的误差均较小，能较好地反映黄土路基工后沉降的规律，两者相互印证，提高了工后沉降预测的可靠度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。