Some relative facts were found and some relative measures used so that the service life of copper pipe moule would be improved greatly.

找出了相关因素,提出了相应的对策,使结晶器铜管寿命大幅提高。

This paper also analyzes the unfavorable influence on loaded force of web from consortion, creepage and prestress as well as provides relative measures and design suggestions.

在此基础上，本文还浅析了扭转、徐变及预应力等对腹板受力的不利影响，并提出了相应的措施及设计建议。