KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
Drill and Blast Method - railsystem
Drill and blast method is mostly used method for the excavation throughout the world. The method can be used in all types of rocks and the initial cost is lower than the mechanical method like TBM. This tunneling method involves the use of explosives.
Drilling and blasting - Wikipedia
Drill and Blast Tunneling Practices Gerhard Girmscheid1 and Cliff Schexnayder, F.ASCE2 Abstract: High-performance drill and blast methods for tunnel construction require that each of the individual working elements that constitute the construction process are optimized and considered as a system of sequential and parallel activities.
Drill and Blast Tunneling Practices - CTT consulting
Drill-and-blast excavation for tunneling projects depends on the precise drilling of a collection of holes into the face and the precise detonation of the blasting agent, which allows the rock to be extracted from a highly confined space.
Drill-and-Blast for Tunnel Construction - A Historical ...
The drill and blast method is a proven and commonly used rock tunneling method worldwide and in Hong Kong, such as the construction of several underground stations including Quarry Bay, Tai Koo, Fortress Hill and North Point Stations on the Island Line.
MTR - Shatin to Central Link - Construction - Construction ...
Hong Kong Occupational Safety and Health Association The Community of Safety & Health Practice in Hong Kong – Since 1977 ... Mr Chow has 30-year experience in blasting in site formation and tunneling works in Hong Kong. ... This presentation will highlight safety issues in the use of drill-and-blast method for tunnelling, for example, the ...
Seminar on “Safety in Tunnelling Using Drill-and-blast Method”
Seminar on "Safety in Tunnelling Using Drill-and-blast Method" Details Published on Monday, 13 August 2012 10:10 Dear Colleagues and Students, The Health, Safety and Environment Office and The Hong Kong Occupational Safety & Health Association will co-organize a safety seminar on "Safety in Tunnelling Using Drill-and-blast Method".
Seminar on "Safety in Tunnelling Using Drill-and-blast Method"
2.2 Drill and Blast This tunnelling method involves the use of explosives. Drilling rigs are used to bore blast holes on the proposed tunnel surface to a designated depth for blasting. Explosives and timed detonators are then placed in the blast holes. Once blasting is carried out, waste rocks and soils are transported out of the
Appendix 2.2 Tunnel Construction Methods - epd.gov.hk
Tunnel Construction Methods and Tunnel Construction Projects in Hong Kong ... The West Island Line tunnel between Sai Ying Pun and Kennedy Town is constructed with the Drill and Blast method. ... The Diamond Hill tunnels are currently being constructed for the Shatin-Central Link using the TBM method. Special Tunneling Circumstances
Tunnel Construction Methods and Tunnel Construction ...
Drill and blast tunneling is a method of excavation involving the controlled use of explosives to break rock. It was the primary means of tunneling through rock prior to the advent of tunnel boring machines.