Experimental study of vibration isolation performance on "room in room" structure;

This paper tests the influences of the machine vibration on the workshop structure by using the vibration testing method,and analyzes on the vibration regularity and reasons of the structure floor based on the testing result,which provides the reliable scientific foundation for the safety evaluation on the floor structure.

This article breached traditional disposal way about workshop extension crack and handled design methods of "resisting " and "setting free" to deal with extension crack in unite workshop structure in the Tyre Factory on the South-West of China , it gained favourable effect and took some references to its next developing .