预应力混凝土连续梁桥病害分析与体外预应力加固分析

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1、哈尔滨工业大学工程硕士学位论文目录摘要..........................................................................................................................IAbstract....................................................................................................................

2、...II第1章绪论...............................................................................................................11.1研究背景和意义.......................................................................................11.2PC梁桥病害概述...................................

3、...................................................31.3体外预应力加固技术................................................................................51.4本文主要研究内容...................................................................................6第2章箱梁受力特性及常见病害成因分析........

4、...................................................72.1箱梁的受力特点.......................................................................................72.2PC箱梁桥的下挠与徐变...........................................................................82.2.1下挠及成因分析..............

5、........................................................................82.2.2混凝土徐变对梁桥的影响....................................................................102.3PC箱梁桥的裂缝与剪力滞效应..............................................................112.3.1裂缝及成因分析..............

6、......................................................................112.3.2剪力滞效应对箱梁桥的影响................................................................142.4背景工程简介.........................................................................................152.5本章小结....

7、............................................................................................16第3章PC梁桥徐变效应分析................................................................................173.1混凝土徐变特性的描述方法..............................................................

8、....173.1.1徐变度....................................................................................................173.1.2徐变系数.............