| 1. | Self - adaptive construction control analysis of pre - stressed concrete cable - stayed bridges 预应力混凝土斜拉桥自适应施工控制分析 |
| 2. | Binzhou yellow river bridge is a three - tower cable - stayed bridge with prestressed concrete girders 摘要滨州黄河大桥主桥是三塔预应力混凝土斜拉桥,主梁为预应力混凝土箱梁。 |
| 3. | The method can effectively evaluate whole structural performance and safety degree of concrete cable - stayed bridge 研究成果对于评价混凝土斜拉桥施工期的结构整体性能和安全程度具有参考价值。 |
| 4. | This thesis is mainly focused on the analysis method in numerical simulation of mechanic behavior of the long - span cable - stayed bridge in construction and the computer programming 本文重点研究了预应力混凝土斜拉桥在施工过程中的力学行为的数值模拟分析方法及其计算机程序实现。 |
| 5. | The seperated pair of main ribs section was made up by bridge panel and girder , because its construction is convenient , used widely in the prestressing force concrete cable - stay bridge of large span 回答:分离式双主肋截面是由桥面板与边主梁组合而成,由于其施工方便,在大跨度预应力混凝土斜拉桥中得到广泛应用。 |
| 6. | Based on a long - span prestressed concrete cable - stayed bridge of a 370m central span length under construction in china , this paper introduces first - order solution and optimization algorithm to determine the rational construction state 摘要以某大跨度预应力混凝土斜拉桥为例,采用一阶分析及最优化计算方法来确定斜拉桥的合理施工状态。 |
| 7. | During the cantilever construction of main girder of a concrete cable - stayed bridge , the main girder at the temporary rigid fixity area of pylon and girder is vulnerable to cracking when the conventional temporary rigid fixity structure is used 摘要在混凝土斜拉桥主梁悬臂施工过程中,采用传统的塔梁临时固结构造存在临时固结处的主梁容易开裂问题。 |
| 8. | Applying a spatial nonlinear fem modeling , the actual cantilever construction process of the cable - stayed bridge concrete girders was simulated , the tension forces of cables and the initialize heights of girders during construction are obtained respectively 运用空间非线性有限元分析模型,模拟了混凝土斜拉桥主梁的悬臂浇筑过程,求出各施工阶段斜拉索的初始张拉力和主梁节段的立模标高。 |
| 9. | The successful application of the second stretching method of cable force in gonghe bridge ' s construction enrichs the principle of construction control of cable - stayed bridge , and it also offers valuable experiences for similar bridge ' s construction in future “二次张拉到位”的索力控制方法在公和斜拉桥施工中的成功应用丰富了斜拉桥施工控制理论,为今后类似结构的大跨度混凝土斜拉桥的设计和施工提供了宝贵的经验。 |
| 10. | The success of gonghe cable - stayed bridge construction control not only improves theoretics and technical level of cable - stayed bridge construction control , but also solves difficult issues of movable framework construction method for large span concrete cable - stayed bridge , and it also offers valuable experience for similar bridge construction in future 公和斜拉桥施工控制的成功,不仅提高了斜拉桥施工控制的理论和技术水平,解决了大跨度混凝土斜拉桥滑动模架法施工的难题,也为今后类似大跨度混凝土斜拉桥施工提供了宝贵的经验。 |