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1·The structural properties of concrete bridge externally prestressed with CFCC, and the analysis methods of deflection, ductility, bending and shear design of the bridge are discussed.

探讨了碳绞线体外预应力混凝土桥梁的结构特点和构造措施，以及该类桥梁中挠度、延性及抗弯、抗剪的计算分析方法。

2·In this paper, the applicability of existing concrete structural component is evaluated by tests of the deflection and anti-crack on normal service limit state conditions.

针对正常使用极限状态下的挠度、抗裂等的检验来评定既有混凝土结构构件的适用性。

3·Research results: This paper puts forward the analysis and calculation methods, structural requirements, displacement and deflection value and passenger comfort requirements for elevated station.

研究结果：提出高架车站的分析计算方法、构造要求、位移与挠度限值及旅客舒适度要求等。

4·A health monitoring system for long span prestressed concrete box-girder Bridges was designed to solve bridge safety problems related to structural cracks and excessive deflection.

为了解决大跨度预应力混凝土箱梁桥出现的严重的安全问题(如结构性开裂和不正常的过度下挠等)，设计和构建了该类箱梁桥的结构健康监测系统。

5·Structural type, design and calculation method of cellular voided flat slab with plastic boxes embedded in a underground garage were presented, calculating method of the deflection was proposed.

结合已建成的工程实例介绍了使用薄壁塑料盒作为填充体的蜂窝式空心无梁楼盖的结构型式及其设计计算方法，并提出了该类空心无梁楼盖板的挠度计算方法。

6·If restrained, shrinkage strains can cause cracking of concrete and will generally cause the deflection of structural members to increase with time.

因此当收缩变形不能自由进行时，有可能导致混凝土产生裂缝，并且裂缝的数量随着时间的增加而增多。

7·In the structural mechanical analysis, previous research is more to establish elastic or elastic-plastic model to study the grid reinforced effect on pavement stress and deflection.

在结构力学分析方面，以往的研究多是建立弹性或者弹塑性模型来研究格栅对沥青路面应力及弯沉的影响。