| 1. | Negative skin friction of pile
深基础负摩擦力 |
| 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. | 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。 |
| 4. | ( 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。 |
| 5. | The test of negative skin friction along the single pile or wharf bent piles , which is modeled after piles of zanjiang harbor , is studied
结合湛江港某码头工程基桩，用模型试验模拟现场地质情况，对港口单桩、排架桩基负摩擦力进行模型试验。 |
| 6. | 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。 |
| 7. | ( 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。 |
| 8. | In engineering practice , negative friction must be considered to ensure the foundation stability . the measure to avoid the negative friction must be carry out in construction phase and to prevent the negative friction in using
在工程实践中，要在设计阶段即考虑可能出现的负摩擦力以保证基础的稳定性，在施工阶段要采取必要的措施避免出现负摩擦力，使用阶段出现的负摩擦力也要及时防治。 |
| 9. | Along with the piles technology " s development and construct skill bring forth the fresh , pile has became the broadest foundation forms in project item . the negative friction in pile " s designing and constructing is acquainted with for engineer
随着桩基技术的发展和施工工艺的推陈出新，桩基础已经成为工程建设中应用最广泛的基础形式，桩基础在设计和施工中产生的负摩擦力也渐渐为人们所认识。 |
| 10. | In this thesis summarize how to avoid and deal with the negative friction in designing and using . researches indicate : ( 1 ) the negative friction in pile will lead to large number of down load in some designs . this friction must be considered in design to avoid the sedimentation and destroy in the building
研究结果表明： ( 1 )在工程设计中，有些情况由于负摩擦力产生的下拉荷载数值相当大，在设计中应充分给予重视，以避免在使用中由于下拉荷载使桩的轴向荷载增加引起桩的沉降或不均匀沉降，而导致建筑物的破坏。 |
