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.
Tunnel Construction: Soft Ground and Hard Rock - HowStuffWorks
In the full-face method, they excavate the entire diameter of the tunnel at the same time. This is most suitable for tunnels passing through strong ground or for building smaller tunnels. The second technique, shown in the diagram below, is the top-headinLearn More
Switch for tunneling of HTTP methods - ibm.com
The portal implementation allows you to simulate PUT and DELETE requests by tunneling, that is by using POST requests instead. Switch for tunneling of HTTP methods The portal implementation allows you to simulate PUT and DELETE requests by tunneling, thatLearn More
Photo Illustration to support the teaching of the topic on
the teaching of the topic on Tunnel Construction ... Entrance arrangement to the tunnel portal for the 3.7km long Tai ... Austrian Tunnel Method.Learn More
Land Transport Authority
Cost of Owning a Vehicle; Seletar Aerospace Flyover and New Roads Serving the Seletar Aerospace Park; Marina Coastal ExpresswayLearn More
Jiangxi Lanxiang Heavy Industry Co., Ltd. - Mucking Loader
Jiangxi Lanxiang Heavy Industry Co., Ltd., Experts in Manufacturing and Exporting Mucking Loader,Mucking Road Header/Roadheader Machine and 141 more Products. ... Jiangxi, China (Mainland) 2002 . Below US$1 Million ... Mucking Loader,Mucking Road Header/RLearn More
New Austrian tunnelling method
The New Austrian tunneling method (NATM), also known as sequential excavation method (SEM), is a method of modern tunnel design and construction. This technique first gained attention in the 1960s based on the work of Ladislaus von Rabcewicz, Leopold MüllLearn More
china foundation equipment piling mining tunneling tools
Bored Piling Tools Rock Flight Auger for Pile Foundation Drilling ... carbide mining cutters tunnel drill rig coal cutter bits roadheader tools .. The top supplying country is China (Mainland…Learn More
Drill and Blast Tunneling Practices - CTT consulting
suitable tunneling method. In situations where TBM and drill and blast methods are both feasible, the risks must be assessed by carefully considering the positive and negative factors, particu-larly with respect to the risks and costs should unexpected orLearn More
Tunneling and TBM Method - p3planningengineer.com
NEW AUSTRIAN TUNNELING METHOD (NATM) The New Austrian Tunneling Method (NATM), an alternative and cheaper way for tunneling. NATM support tubes installation (double layer) NATM support tubes installation (single layer) NATM support system sketch . MAIN RELearn More
Rock drill machine - drilling machine, electric equipment
Truck mounted Full Hydraulic Mobile 300m Telescoping Type Water Well Bore Hole Drilling Rig FactoryLearn More
Full text of "The Daily Colonist (1950-02-19)"
Search the history of over 345 billion web pages on the Internet.Learn More
Special Design Methods for Construction of Tunnel Portals in
the east portal (entrance) of the right bore of the tunnel Α S1 and the west portal (exit) of the left bore of the same tunnel required special design methods and construction techniques. Different solutions were examined and the most efficient and economLearn More
Roadheader drilling rig shear mining machine coal auger
Roadheader drilling rig shear mining machine coal auger shear ... Roadheader drilling rig shear mining machine coal auger shear tools,US $ 3 - 35 / Piece, Zhejiang, China (Mainland), Sunrise Ningbo, Various specification.Source from ... auger cutting headLearn More
Tunnel Construction Methods and their comparison – Mining and
Tunnel Construction Methods and their comparison ... and are restricted to those located near the tunnel portal; ... New Austrian Tunneling Method (NATM). ...Learn More
Tunnelling - SlideShare
Tunnelling in Firm ground Traditional methods. Involving drilling and blasting Full Face Method. In firm soils where full face excavation can hold it self for sufficient time to allow mucking and supporting operations. In the full-face method, workers excLearn More
tunnels and underground excavations | History, Methods, Uses
In this case the tunnel engineer must choose between underpinning or employing a tunneling method that is sufficiently foolproof that it will prevent settlement damage. Surface settlement results from lost ground— i.e., ground that moves into the tunnel iLearn More
Rotary Drilling Rig, Rotary Drilling Rig direct
SANY Rotary Drilling Rig from Evangel Industrial (Shanghai) Co., Ltd.. Search High Quality SANY Rotary Drilling Rig Manufacturing and Exporting supplier on Alibaba.com.Learn More
TBM Shield Cutter Teeth, TBM Shield Cutter Teeth direct
TBM Shield Cutter Teeth from Hunan HM Machinery Co., Ltd.. Search High Quality TBM Shield Cutter Teeth Manufacturing and Exporting supplier on Alibaba.com.Learn More
TEETH AND ROCK ROLLER BIT - ROTARY DRILLING RIG,BUCKET
TEETH AND ROCK ROLLER BIT from Hunan Fae Heavy Industries Co., Ltd.. Search High Quality TEETH AND ROCK ROLLER BIT Manufacturing and Exporting supplier on Alibaba.com.Learn More
mini electric drilling rig - guanajuatohotels.net
Mini Water Well Drilling Rig, Wholesale Various High Quality Mini Water Well Drilling Rig Products from Global Mini Water Well Drilling Rig Suppliers and Mini Water ... electrical drilling rig equipment connected to success • Design, engineering and manufLearn More
Hunan HM Machinery Co., Ltd. - Rotary Drilling Rig Spare
Hunan HM Machinery Co., Ltd., Experts in Manufacturing and Exporting Rotary Drilling Rig Spare Parts,Rotary Drilling Rig Kelly Bar and 799 more Products. A Verified CN Gold Supplier on Alibaba…Learn More
The Katzenberg Tunnel is a railway tunnel on the Karlsruhe-Basel high-speed railway that opened in December 2012. The tunnel was built to increase the capacity and speed of the Mannheim-Karlsruhe-Basel railway (Rhine Valley Railway, or Rheintalbahn in GerLearn More
The ebhakt post
The ebhakt post is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the Internet's largest and most comprehensive database of computer security knowledge and resources to the public.Learn More
Drill and Blast Method - railsystem
Drill and Blast Method. 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 thLearn More
A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rathLearn More