| 1. | The cfg pile compound ground negative friction studies
桩复合地基负摩阻力的研究 |
| 2. | The calculation of negative friction on pile foundation by effective stress iterative method
有效应力迭代算法计算桩基负摩擦力 |
| 3. | Based on load transferring concept , the author puts up with a new method which uses double broken line model to calculate negative friction
本文基于荷载传递函数的概念，提出了一种用双折线模型来计算负摩阻力的新方法。 |
| 4. | Due to the important infection in using foundation , the negative friction in pile has became one of the engineering skill focus
鉴于负摩擦力对桩基础应用过程中的重要影响，桩基础的负摩擦力已经成为基础工程界的一个技术热点。 |
| 5. | ( 3 ) the negative friction must be avoid on construction . when the friction has been founded , people must deal with by the method in this thesis
( 3 )在施工中要防止负摩擦力产生，对已经产生负摩擦力的桩基础按本论文提到的方法及时救治。 |
| 6. | The result shows that a negative friction - velocity slope can not always cause squeal . it is often observed that the squeal can also occur in the area with a positive friction - velocity slope
试验发现，摩擦噪声既可以在摩擦力-相对滑动速度负斜率的区域发生，也可以在正的摩擦力-相对滑动速度斜率的区域发生。 |
| 7. | Many survey data refer to mortal down load and sedimentation be produced due to the negative friction in pile foundation . the inequable sedimentation endanger the pile foundation greatly
国内外一些实测资料表明桩基础在使用阶段负摩擦力可能产生非常大的下拉荷载和沉降，尤其产生的不均匀沉降对基础危害最大。 |
| 8. | ( 2 ) in project designing the negative friction must be calculate by the method in this thesis . parameters of vertical weight and sedimentation must be checked to ensure the design security
( 2 )在工程设计中，应当按本论文阐述的方法对桩的负摩擦力进行计算，验算桩基的竖向承载力和沉降等参数，保证工程设计的安全性。 |
| 9. | Using continuous and border conditions of each layer , the negative friction will be attained . the character of soil which is around an in the tip of the pile varied greatly . we must select different hardening or soft model
由于桩侧和桩尖土性质变化较大，因此对多层土各土层可依据实际情况选择是采用双折线模型的硬化模型还是软化模型。 |
| 10. | This article describes different methods of determining single pile ' s negative friction . the advantages and disadvantages of these methods are discussed . so it is necessary for us to research simple model to determine negative friction
本文对确定单桩负摩阻力各种方法的优缺点进行了阐述，并对用简化模型法来确定单桩负摩阻力的必要性给予了肯定。 |
