| 1. | Concrete creep considered time - varying structure in construction
考虑徐变影响的施工期时变结构受力分析 |
| 2. | This paper analyzes the influential factors of concrete creep and measures for improvement
本文主要研究影响混凝土徐变的因素及提高混凝土徐变的措施。 |
| 3. | The time is longer , the measurement of the springing quantum of the pc beams due to concrete creep is bigger
起拱度因受混凝土徐变的影响随时问的增长而增大。 |
| 4. | This software can deal with three - dimension sequence concrete placement , concrete creep stress calculation
此程序成功实现了混凝土三维跳仓浇筑，混凝土徐变应力计算等。 |
| 5. | 4 . as a result of the maturity of the concrete and the application of prestress after long - time maintenance , effects of concrete creep and long - term loss of prestress can be minimized
( 4 )节段养护时间长，加载龄期晚，成桥后梁体徐变上拱和预应力长期损失小。 |
| 6. | The fact has proved that 60 ~ 70 percent or more the springing quantum of the pc beams of girder is caused by concrete creep if the influence of creep is out of control or controlled incorrectly
实践证明，如果施工中对徐变影响不控制或控制不当，由徐变引起的起拱将占起拱总量的60 75或更大。 |
| 7. | 2 . this thesis analyses the curve , then obtains the principles of shrink and creep of concrete filled steel tubes , estimates the creep of concrete filled steel tubes by the test data of plain concrete creep
2 、对测试曲线进行分析,得出钢管混凝土收缩、徐变规律及特点,用素混凝土徐变试验资料估算钢管混凝土徐变。 |
| 8. | But the excess the springing quantum of the pc beam due to continued evolution of concrete creep , which influenced the normal performance of structure , has been an important question puzzling the engineering technicians all the while
但是混凝土徐变的不断发展带来过度的起拱，影响结构的正常使用，一直是困扰工程技术人员的重要问题。 |
| 9. | To the problems in long - term monitoring of concrete stress , the numerical simulation for concrete creep effect of the main girder segment of wenhui bridge was made ; accordingly a method that can approximately separate the creep strain was put forward
针对目前混凝土应力长期监测中存在的问题，对文晖大桥主梁节段进行了徐变效应的数值模拟分析，并提出了近似的徐变应变分离方法。 |
| 10. | Additionally , it deserves to mention that the theory and method above solves effectively the problems of affection to each other , such as affection of steel bundles to concrete creep , which is automatically counted in by the relationship
同时，有效解决了钢与混凝土相互影响，如钢索对混凝土徐变的影响，特别是在节段施工预应力混凝土结构中，因分批张拉引起先期索的预应力损失问题。 |
