Introduction of foreign and domestic vehicle noise measuring method and control criteria were presented, and domestic noise standard were discussed, and proposed serval revision recommendations,especially to noise pollution caused by braking and its method of measuring and maximizing value etc.
This paper discusses the control values of tower static stiffness specified in the standards GB3811—1983 Specification for Crane Design and GB/T 13752—1992 Specification for Tower Crane Design as well as tower top horizontal displacement measuring method given in GB/T17807—1999 Structural Testing Method for Tower Crane. Some revision proposals are proposed on the control values and measuring method.
Associated with constructional practice, the existent problems in the system of coordination standards in force at home for constructional module are reviewed and opinions of their revision are presented.
The revision of the brick dimension for our blast furnace and hot stove has been proposed by analyzing the relevant foreign standards and studying the parameters of brick dimension and the calculation of circular brick.
According to the present state of dam monitoring implementation in China and many years' experience in constrution, and on the basis of monitoring data, several suggestions are put forward on the revision of monitoring for the Technical Criteria of Concrete Dam Safety Monitoring SDJ336 89(Trial), and the calibration methods and technological regainements of vibrating wire meters, are elaborated.