An example of the application of vee cutting blasting technology in the cutting excavation of a certain highway in Anhui Province is introduced in this paper, and the design of blast-hole arrangement, blasting parameters, initiating network,stemming and safety measures are presented.

By the indeep hole pot blasting carried out successfully in Nan-xu road rebuild project of the city Zhenjiang of Jiangsu province, it was expounded that the technique under proper condition could bring good project profit.

By the technique of pot blasting in deep hole carried out successfully in ground-leveled blasting in Xiamen Ship Yard, it was expounded in this paper that the technique under proper condition could bring good project profit.

According to the structure and geological feature of sewage pool and integrated analysis of various anti-floating methods,the type of the anti-floating anchor with blast-expanding bore and variable section are put forward.