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 - Wikipedia
Materials used in tunnels vary with the design and construction methods chosen for each project. Grout used to stabilize soil or fill voids behind the tunnel lining may contain various materials, including sodium silicate, lime, silica fume, cement, and bentonite (a highly absorbent volcanic clay).
Tunnel - Wikipedia
Tunnel Construction Methods.doc App2.2 - 1 1. Introduction This Appendix gives a general description of the tunnelling techniques reviewed for possible use in the Project, including cut and cover, drill and blast, bored tunnelling and sequential mining construction. A
How tunnel is made - material, history, used, machine ...
The Construction of Recent Tunnels in Hong Kong ... The construction of tunnels in Hong Kong faces some unfavourable factors, such as: ... use of a tunnel boring machine, or a particular type of spoil disposal system. c) Location of tunnel. d) Availability of working spaces.
Appendix 2.2 Tunnel Construction Methods - epd.gov.hk
High Tunnel Materials. Organic Agriculture June 08, ... materials thoroughly to make sure that the structure and covering best suit the budget for and purpose of the high tunnel. When possible, use materials with lowest environmental impact. ... Spaw, M. and K. …
The Construction of Recent Tunnels in Hong Kong
Planning the handling of excavated materials for a tunnel construction project will possibly avoid waste deposits, save mineral resources as well as energy, and reduce some of the project costs.
High Tunnel Materials - eXtension
The use for the tunnel also aﬀ ects the materials that can be used inside. As the case studies in this brochure show, atmospheric condi ons in tunnels can vary wildly depending on whether it is used by road ... Stainless Steel in Tunnel Construction and Applications
Use of TBM muck as construction material | Request PDF
Photo Illustration to support the teaching of the topic on Tunnel Construction ... movement of tunneling equipments and materials; as an exit for the disposal of ... facilitate the tunnel construction works - The KCR West Rail Tai Lam Tunnel case. Tai Lam Tunnel of KCR
Stainless Steel in Tunnel Construction and Applications
The following is an example of materials and construction needed to build a high tunnel. ... Materials & Construction. Terminology & Diagram. ... To increase ventilation in the summer, some high tunnel designs utilize completely removable end wall sections