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.
Hard Rock Tunnel Boring | Amund Bruland | updates ...
Hard rock tunnel boring involves major investments and high levels of geological risk, which require reliable performance predictions and cutter life assessments.
Amund Bruland Hard Rock Tunnel Boring - core.ac.uk
iii table of contents preface ii table of contents iii 1 description of the thesis 1 1.1 objective of the thesis 2 1.2 background of the estimation models 3 1.3 the hard rock tunnel boring toolbox 3 1.31 drillability 4 1.32 planning and estimating 4 1.33 follow-up of the tunnel boring 5 1.34 understanding tunnel boring 5 2 hard rock tunnel boring 6 2.1 hard rock conditions 7
Amund Bruland Hard Rock Tunnel Boring - ResearchGate
Amund Bruland Hard Rock Tunnel Boring ... The report is prepared by Amund Bruland and is part of his dr.ing thesis about ... for use and understanding of the prognosis model for hard rock tunnel ...
Amund Bruland Hard Rock Tunnel Boring ... - MAFIADOC.COM
Amund Bruland. Hard Rock Tunnel Boring. Geology and Site Investigations. Trondheim. U. N. T. N f o ytisr e vi n. U n ai g e wr o. N y g ol o n h c e. T d n a e c n ei.
Hard Rock Tunnel Boring Vol. 8 - Drillability - Test ...
The report is prepared by Amund Bruland and is part of his dr.ing thesis about hard rock tunnel boring. The report is included in the thesis as a necessary basis for use and understanding of the prognosis model for hard rock tunnel boring.
Hard Rock Tunnel Boring - brage.bibsys.no
• Collecting, normalising and analysing of rock samples, machine performance data and cutter wear data. The thesis work has not been focused on basic principles, theoretical modelling or laboratory experiments of rock cutting with disc cutters, although observations …
Amund Bruland - NTNU
(2018) Analysis on the relationship between layout and consumption of face cutters on hard rock tunnel boring machines (TBMs). ... Bruland, Amund. (2015) New Rock Abrasivity Test Method for Tool Life Assessments on Hard Rock Tunnel Boring: The Rolling Indentation Abrasion Test (RIAT). Rock Mechanics and Rock Engineering. vol. 49 (5).
Amund Bruland | Norwegian University of Science and ...
Amund Bruland, Norwegian University of Science and Technology, Department of Civil and Transport Engineering, Faculty Member. ... Amund Bruland, ... method; to avoid schedule delays, budget overruns and to control the risk management for tunnelling projects. For hard rock Tunnel Boring Machine (TBM) projects, penetration rate is a key factor ...
Hard rock tunnel boring, cutting, drilling and blasting ...
Amund Bruland Hard Rock Tunnel Boring The Boring ... Chapter 4 discusses the effect of rock mass fracturing on the penetration rate. ... significance for the penetration rate …
Hard Rock Tunnel Boring - CORE
Hard Rock Tunnel Boring . By Amund Bruland. Abstract. The main purpose of the thesis work has been to improve the existing prediction models and to provide a toolbox for the TBM tunnelling industry (project owners, consultants, contractors, manufacturers, etc.) to be used through all phases of a project: • Preliminary and feasibility studies ...