| 1. | Design of inclined cable for aqueduct cable stayed bridge
渡水管斜拉桥索的设计 |
| 2. | Nonlinearly natural vibration characteristic analysis of inclined cable in plane
斜拉索在平面内的非线性固有振动特性分析 |
| 3. | This paper presents a method that the reasonable inclined cable forces during the construction process are determined by the target configuration of girder
本文提出了以主梁线形为控制目标的斜拉桥施工中张拉索力的确定方法。 |
| 4. | Using the least squares method to modulate the inclined cable forces both in forward analysis stage and backward analysis stage, the tensile inclined cable forces during construction will be get finally
最后采用最小二乘法对正装和倒拆两个步骤中得到的索力进行修正，得到施工中的斜拉索的张拉索力。 |
| 5. | Using the least squares method to modulate the inclined cable forces both in forward analysis stage and backward analysis stage, the tensile inclined cable forces during construction will be get finally
最后采用最小二乘法对正装和倒拆两个步骤中得到的索力进行修正，得到施工中的斜拉索的张拉索力。 |
| 6. | Though in the aspects of the tensile inclined cable forces solution during the construction states have been studied a lot in foreign country and home, there are also many actual problems and lack of an integrated method to solve
虽然在确定斜拉桥的施工张拉力方面国内外已有不少研究成果，但在实际的应用中仍存在许多问题，缺乏完整求解的方法。 |
| 7. | Geometric nonlinear behaviors in large span cable-stayed bridges have been analyzed in this paper, which include the sag of inclined cable stays caused by their own dead weight; the interaction of large bending and axial deformation in bending members; and the large displacements effects . then analyzing theories and researching levels of geometric nonlinear problems of modern cable-stayed bridges have summarized . and methods of modeling cable-stayed bridges for nonlinear finite element analysis have been discussed, which are the equivalent modulus of elasticity, introducing stability functions and continuously modifying geometry of structure
本文分析了大跨径斜拉桥几何非线性的主要影响因素，包括斜拉索的垂度效应、弯矩与轴向力组合效应和大变形效应，同时对目前斜拉桥几何非线性问题的分析理论和研究水平进行了综述，相应讨论了各非线性影响因素的处理方法，即分别采用等效弹性模量法、引入稳定性函数和实时修正结构的几何位置。 |
| 8. | These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation . newton-raphson method and the displacement convergence norm are used to approach the solution iteratively
计算过程中计及了拉索的垂度效应，弯矩和轴力对主梁和主塔的组合效应以及结构的大变形效应等几何非线性影响因素，采用newton-raphson方法和位移收敛准则进行迭代求解。 |
| 9. | By fully analysis of two real cable-stayed bridges, following conclusions have been reached : 1 ) under dead loads the sag of inclined cable stayed is the main point of geometric nonlinear behaviors of cable-stayed bridges, and the effects of the interaction of large bending and axial deformation in bending members and the large displacement are relatively small
通过理论分析和实例计算，本文得出以下结论：1)在恒载作用下，斜拉索的垂度效应是几何非线性的主要来源，组合效应、大变形效应的影响相对较小，若仅仅进行线性分析，则计算所得结果的误差会很大。 |
