According to the condition that the braking performance of mechanical brake system of walking tractor and trailer combinations are relatively bed, four factors such as braking primary velocity, gross, conditions of road and braking torque are considered in the experiments.

The structural analysis of railling and handrail;

This paper discussed the safety countermeasures in the aspect of building such as fire-escape stair,handrail,unsparking ground,light weight and fragile roof and fire risk.

Only if the practical demands of every customer are taken into full consideration,which included the demands for ramp,rail,entrance and exit,entertainment-facilities and storm-defending allyways and symbolic marks,and only if the function design is aimed at adjusting to the customers practical use,the quality of architecture environment can be effectively and greatly enhanced.