| 1. | Single stiffness is presented through q - s curve , and the load of the top of pile is computed by circulating many times , so it can avoid man - made rectification . at the end of the paper , the application of the method is introduced on a project
通过单桩的荷载沉降曲线确定群桩中单桩的刚度，并可用逐次逼近的方法求解桩顶反力和基础沉降，避免了对刚度的非理性调整。 |
| 2. | To uniform soil condition , the p - ~ s settlement curve of the center point at the bottom of the shallow " foundation and the different depth of the soil plastic zone in different load grade and the ultimate bearing capacity of the foundation are analyzed
对均质地基情况，分析了基底中心点的p s沉降曲线、不同等级荷载下塑性区开展的不同深度情况及地基的极限承载力。 |
| 3. | The results indicate that the lower the deformations of retaining structures develop , the larger the surface settlement of soil caused by it extents , and the farther the location of the maximum settlements is away from retaining structures
经分析发现，围护结构变形越向下发展，引起的墙后土体沉降范围越大，沉降最大值的位置也越向远离墙体的方向移动，而沉降曲线呈越来越平缓的趋势。 |
| 4. | The results indicate that the load transfer law of squeezed branch pile is similar to that in the ordinary soil , the velocity of load - settlement curve changes slowly and the pile has high load bearing capacity , the principle of load transfer has apparently sequence
结果表明，支盘桩荷载沉降曲线为缓变型，具有较好的承载性能，荷载传递规律与在非湿陷性黄土地基中具有相似的性质，桩身各段承载力的发挥具有明显的顺序性。 |
| 5. | It will be helpful to protect the environment , design of the succeeding engineering and experience accumulation . 4 . in order to evaluate the monitoring data quickly and timely , the database for shield tunneling monitoring are present which can dynamic display the ground settlement curve
4 、为了直观、快速地反映和评价监测结果，初步建立了盾构施工监测数据库，可以随时动态地显示地表沉降曲线以及其与盾构推进施工参数间的相互联系。 |
| 6. | The same type of cement - soil mixing pile with concrete core , concrete pile and cement - soil pile that means they have the same pile length and pile diameter is deeply analyzed by finite element program . we get the q - s curve , the axis force of pile body curve , the stress of pile curve and the side and the end sharing load ratio of the pile curve by finite element program . with the help of the finite element program , the paper finds the relations between the pile ' s parameter and its bearing capacity and load transferring properties
利用有限元计算分析了同比(桩长相同、桩径相同)水泥土组合桩、水泥土搅拌桩和混凝土钻孔灌注桩，得到了它们的荷载沉降曲线、桩身应力曲线、桩身轴力曲线、桩侧桩端分担荷载曲线等，通过这些曲线对它们的荷载传递规律以及变形特性进行了深入的分析。 |
| 7. | According to the module of the consolidation settlement curves and their characteristic relations , we design the simulation system of the large test platform , this paper introduce the whole design thought of the test platform , and emphasis on the analysis design of the critical segment in the design procedure
根据以上得出的固结沉降曲线形式及其特征关系，进行了大型沉降模拟试验系统的研制工作。本文主要阐述了试验系统的总体研制思路，重点讨论了研制过程中关键坏节的技术设计，并对整体试验系统的沉降模拟适应性进行了理论分析，确定了研制方案的可行性。 |
| 8. | Surface settlement is due to layer losses and the layer losses are due to the changes of stress state and water content . it is necessary to probe into the principle , but to pay more attention to the aftermath of layer losses - surface settlement and its regularity . this paper has focused on discussing about the regularity of surface settlement in tunneling construction
地表之所以发生沉降，是因为发生了地层损失，而地层损失主要是由于土的应力状态和土的含水量发生了变化，机理的探讨是必要的，但是人们更关心地层损失造成的后果?地表沉降，更关心地表沉降的规律性，本文讨论了隧道施工过程中地表沉降的规律，将隧道施工方法分为盾构法和矿山法两种，结合理论分析和实测结果，分别给出了地表沉降曲线和沉降范围的经验公式，其结论对北京地铁隧道的设计与施工具有重要的参考价值。 |
| 9. | 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。 |
| 10. | Finally , this paper detailedly introduces the application of preloading method combining with vacuum stack - load in the practice of a freeway project . three sorts of experience calculation method of final settlement which based on the settlement data measured in - site are contrastively analysed , and points out the hyperbola method be recommended for settlement predicted because it accord with the actual instance of guangdong pearl river delta area , and bring up the range of settlement correcting coefficient corresponds to the characteristic of the region
最后，本文结合某高速公路工程实践，详细介绍了真空联合堆载法在高速公路上的应用，并利用实测沉降曲线对三种预估最终沉降量的经验方法进行了对比分析，提出了双曲线法计算最终沉降量较符合广东珠三角地区，并提出较符合地区特点的沉降修正系数取值范围，可供类似工程参考。 |
