Engineering in Practice

Events and Activities

Technical Seminar on Plasma Rock Fragmentation Technology

(jointly organised by HKIE Civil Division and Archie Mining Services Ltd.)


Date: 26 April 2023 (Wednesday)

Time: 06:30 pm to 08:00 pm

Venue: Chan Yat Mei Sophie Room, HKIE Headquarters, 9/F Island Beverly, No. 1 Great George Street, Causeway Bay



Programme Highlights


Environmental Friendly Technology in Breaking Hard Rock


Hard rock excavation is most often achieved either using heavy duty rock breaking equipment or by adopting drill and blast methods using commercial explosives. But both methods are considered not environmental friendly in which the first method creates continuous noises and dust causing nuisance to public; and the second method may have social and environmental concerns on possible fly rocks, high vibration, high air over pressure and air pollution. 


Plasma Rock Fragmentation Technology is commonly used in overseas rock breaking projects such as South Korea and getting to be noticed and applied in Hong Kong in recent years.


It is important to understand how it works and how it can be used to minimise the adverse environmental impacts associated with conventional methods of rock breakage, by reducing the dust, vibration and noise. More importantly, it can be demonstrated to be a safe and reliable rock breaking solution for hard rock excavation operations in urban area.


We are excited about the prospects for the use of this technology where ever-tightening controls on noises, vibration, environment, storage and transportation regulations are making conventional blasting methods more difficult to adopt.


This talk will present satisfactory and controllable rock breaking monitoring data at different sites in Hong Kong. Plasma Rock Fragmentation Technology is a great tool to help the construction industry to improve their productivity with pro-environment, safety and workability effect.




Dr Seung Jeong Noh

President of Korea Accelerator and Plasma Research Association (KAPRA)

Professor Emeritus of Dankook University, Korea & R&D Consultant of Seoul National University


Mr Ickhwan Lim

Director of Korea Accelerator and Plasma Research Association (KAPRA)

President of Korea Electro Chemistry Co., Ltd. & Technical Director of Daeeun Plasma Co., Ltd


Mr Eun-Kyu Kim 

Co-ordinator for KAPRA Oversea Projects & KEC

Vice-president of Pertro-Plasma Co., Ltd. (Sister Co. of KAPRA)



Registration & Enquiries:


This seminar is free of charge. The number of participants is limited to 80 and accepted on a first-come first served basis. Priority will be given to Members of the Civil Division.


Interested applicants are required to register by filling the google form: Email registration will not be accepted. Only successful applicants will be informed by email. Attendance certificate will be issued at the end of the seminar. The seminar will be conducted in English.

*Any personal data provided in this registration form will be used for the purposes directly related to the processing of your registration and carrying out activities related to this event. You are required to supply the data in order to register for this event. The personal data provided may be transferred to other parties for purposes relating to this event where necessary. The HKIE intends to use the personal data you provided for the purpose of sending you information on other HKIE’s activities. You may request access to or correction of your personal data by addressing your request to the Event Secretariat.