The influences of arch rigidframe bridge of different rise and different slant leg angles are computed and analyzed,and a contrast analysis diagram is drawn as well as some suggestions to the related engineering are put forward.

Detection and reinforcement of rigid-frame arch bridge;

FEA analysis of geometry nonlinear reinforced concrete rigid-frame arch bridge;

Damage diagnosis and simulation analysis of the rigid-frame arch bridge based on dynamic properties;

Mechanical behavior of rigid frame arch bridge strengthened by stayed cable;

Design of rigid frame arch bridge and truss arch bridge and analysis of characteristics of the weight-bearing;

Calculating the transverse distribution coefficient of rigid frame arch bridge by using the elastic supporting continuous beam method;

Static and dynamic test of open spandrel rigid-framed arch bridge under vehicle loading;

The original rib arch is changed to a slab rib arch in the typical drawing for lightweight rigid-framed arch bridges,and reinforcements are properly added.

Through the disease analysis on two actual bridges ,this paper discusses the disease causes and existing disadvantages of the frame arch bridge, and presents the maintenance and reinforcement measures , and the methods of this disease prevention and treatment, which have the project actual value for the maintenance and reinforcement of frame arch bridge .

There are some cracks and concave in one concrete frame Arch bridge.