According to the fact that most defects of this type of bridge are related to loss of prestress,the main method to reinforce old T-frame bridges is to compensate loss of prestress by increasing prestressed tendons.

• T型刚构桥的大部分病害均与预应力损失过大有关,因此目前对T型刚构旧桥加固的方法主要是通过增加预应力索及粘贴钢板等来补偿混凝土的预应力。