rock concrete cutterhead

  • Cutter Head,Construction Cutterhead,Cutter Head …

    The rock chips, are scooped into the cutterhead through holes in the head, called buckets, as it rotates. The chip is carried by the conveyor, through the shield and into the supported tunnel where it is loaded into rail cars and hauled out of the tunnel.

  • (PDF) Mechanical performance of TBM cutterhead in …

    For verification, a boring experiment was designed and conducted using an experimental cutterhead with 14 disc cutters. The rock box was poured with concrete C20, C40 and C60 layer by layer to ...

  • Products

    The Hard Rock Pro Series is for you. Over the years, we''ve tested and researched heavily to find the best equipment for every job. We offer the Hard Rock Pro Series through an extensive network of suppliers and equipment manufacturers—some of whom have been in …

  • Rock Grinder & Cutter Head Blog | Alpine Sales and Rental …

     · Compared to other rock grinding attachments on the market the Rockwheel rock and concrete grinders have a optimal layout of teeth on the drums which results in a smooth cutting action. This means less frequent stalling of the cutterhead, more continuous rock cutting and ultimately more CY/hr (m3/hr).

  • Rock support methods

     · Rock support methods 1. February, 2015 LAMANNA Luigi Franco June, 2015SEPTEMBER, 2016 INJECTION SYSTEMS, CONSOLIDATION AND ANCHORING FOR THE MINING INDUSTRY, TUNNELLINGS AND ENGINEERING APRIL, 2018 2. ROCK ...

  • Follo Line Project: A new Dimension in Hard Rock …

    For example, if the fissures in the rock in front of the cutterhead are full of groundwater, which frequently happens in the southern sections. Then, in the daily morning maintenance shift, a liquid cement mass is injected into the fissures to displace the water.

  • Mechanical performance of TBM cutterhead in mixed …

     · Three mixed rock ground conditions are shown in Fig. 1.A typical LBR condition is illustrated in Fig. 1a, while Fig. 1b (rock inserted) and Fig. 1c (rock cave) can be classified as the RDR condition order to study cutterhead mechanical performance in these ...

  • Other

    Hard Rock Concrete Cutters can provide a quality, polished surface with a long life expectancy. Polished concrete floors are low-maintenance, more durable, and easier to clean than many other flooring options and—when properly maintained—can provide over 100 years of good use.

  • Rock Grinding with a Cutterhead: How Many Picks Will I …

    One of the hardest things to predict when rock grinding with a cutterhead is how many picks you will need to finish the job. When using sophisticated equipment like a cutterhead, dedicated maintenance is mandatory for best results. One of the most important ways to maintain proper use of a cutterhead is to make sure picks -- also referred to as teeth -- which have sustained significant wear ...

  • CN201241711Y

    The utility model relates to a hard rock mole tunneling machine cutter disc panel with repairing and strengthening functions, wherein the space between a cutter hole, a manhole and cutting teeth is welded with a plurality of strengthening plates for completely ...

  • alpine rockwheel rock and concrete grinders

    hydraulic rock cutting attachments Grinding Mill China alpinecutter Alpine Cutterhead Attachments. With technology evolved from the mining industry, Alpine''s hydraulic rock and concrete cutting attachments products rock concrete grinders ltesummit RockWheel ...

  • Cutting Heads for Underground Directional Drilling

    As the premier North American cutting head manufacturer, Barbco is proud to provide our customers with cutting heads for all underground conditions. We have a large line of standard cutting heads and can customize one to meet your needs.

  • Rock Grinder & Cutter Head Blog | Alpine Sales and Rental …

     · Compared to other rock grinding attachments on the market the Rockwheel rock and concrete grinders have a optimal layout of teeth on the drums which results in a smooth cutting action. This means less frequent stalling of the cutterhead, more continuous rock cutting and ultimately more CY/hr (m3/hr).

  • Rock Grinder & Cutter Head Blog | Alpine Sales and Rental …

     · Compared to other rock grinding attachments on the market the Rockwheel rock and concrete grinders have a optimal layout of teeth on the drums which results in a smooth cutting action. This means less frequent stalling of the cutterhead, more continuous rock …

  • Cutter Head,Construction Cutterhead,Cutter Head …

    The rock chips, are scooped into the cutterhead through holes in the head, called buckets, as it rotates. The chip is carried by the conveyor, through the shield and into the supported tunnel where it is loaded into rail cars and hauled out of the tunnel.

  • (PDF) Mechanical performance of TBM cutterhead in …

    For verification, a boring experiment was designed and conducted using an experimental cutterhead with 14 disc cutters. The rock box was poured with concrete C20, C40 and C60 layer by layer to ...

  • rock/concrete grinder | worldcrushers

    Alpine Rock & Concrete Grinders. If you work with the toughest rock and concrete on a daily basis, on land or under water; ... Alpine Cutterhead Attachments ROCK & CONCRETE GRINDERS: With technology evolved from the mining industry, Alpine''s are a ...

  • Large diameter rock tunnels

    immediately behind the cutterhead for rock support. The main beam TBM is normally used with temporary non-concrete lining, whereas most other types of TBMs are used with segmental lining. 8m diameter, floating gripper main beam TBM The single shield is

  • Solutions for Underground Construction

    reduce cutterhead torque and tool abrasion and increase advance rates. A selection of leading technology foams, polymers and anti-clay agents provide the solution for every geological situation. Anti-Wear & Anti-Dust Hard rock TBMs as well as soft ground

  • alpine rockwheel rock and concrete grinders

    hydraulic rock cutting attachments Grinding Mill China alpinecutter Alpine Cutterhead Attachments. With technology evolved from the mining industry, Alpine''s hydraulic rock and concrete cutting attachments products rock concrete grinders ltesummit RockWheel ...

  • Guide to tunnelling

    At the front of the TBM is the ''cutterhead'', which acts as a drill that can easily tunnel through rock harder than concrete. 7.2 metres in diameter and weighing approximately 120 tonnes, the cutterhead has several cutting discs which roll on the tunnel face and break the rock before it is collected by buckets and passed back to the conveyor.

  • Hydraulic Cutters | Rock and Concrete Cutter | Epiroc

    Rock, concrete, steel and cable cutters Our multi-purpose hydraulic cutters with various jaw type options can be used flexibly in primary demolition and secondary reduction of concrete structures as well as cutting steel structures at demolition sites.

  • Glossary of Commonly Used Construction Terms Anchors/Rock …

    concrete base. Building line The edge of a building, excluding the sidewalk. Bulkhead A fixed structure used to divide two ... Cutterhead The head at the front of a tunnel boring machine used for cutting through rock. Dewatering The removal of groundwater by ...

  • (PDF) A New Concept for Selective Mechanical Mining …

    Figure 6 :6Final 3'' cutterhead design Figure 77Figure 7: The DTF Table 1 .1Figure 8: Slewing test in Welded TuffMaterial Cutting Thrust Torque Power Advance Production Mode (lbf) (ft-lb) (hp) (ft/hr) (yd 3 /hr) Concrete Sump 52,400 19,500 90 28 7.3 Concrete

  • SOIL / CUTTERHEAD INTERACTION UNDER WAVE CONDITIONS …

    SOIL / CUTTERHEAD INTERACTION UNDER WAVE CONDITIONS Dr . S.A. Miedema Prof . J. de Koning ... The main part of the test rig is a reinforced concrete tank with the following inside dimensions: Length 30 m, width 2,5 m and height 1.35 m. The tank ...

  • Modern large diameter rock tunnels

    The big advantage of the floating gripper type is the access it provides to rock immediately behind the cutterhead for rock support. The main beam TBM is normally used with temporary non-concrete lining, whereas most other types of TBMs are used with segmental lining.

  • Rockhead | The Robbins Company

    CUTTERHEAD CAPABLE OF CUTTING HARD ROCK This robust head cuts the hard rock with single disc cutters. The cutters are located on the cutterhead in a geometric pattern that allows the disc to create a kerf (crush zone). The thrust at these kerfs creates

  • AVN Machine

    The soil to be excavated is removed using a cutterhead adapted to the respective geology. This makes it possible to use the machines in almost all geological conditions. In soft soils and mixed geologies, standard or mixed ground cutterheads are used, while a rock cutterhead with disc cutters is used for tunnelling in stable rock formations.

  • Rock Grinding with a Cutterhead: How Many Picks Will I …

    The most important factor that we can look at is the type of rock that your cutterhead will be working with. Anyone you ask a question about pick life to will tell you the same thing. It is going to depend on the type of rock you''re cutting. The most obvious observation ...

  • Cutter Head,Construction Cutterhead,Cutter Head …

    The rock chips, are scooped into the cutterhead through holes in the head, called buckets, as it rotates. The chip is carried by the conveyor, through the shield and into the supported tunnel where it is loaded into rail cars and hauled out of the tunnel.

  • Evaluating the influence of engineering geological …

     · Berdal T, Jakobsen PD, Jacobsen S (2018) Utilising excavated rock material from tunnel boring machines (TBMs) for concrete. SynerCrete'' 8 International Conference on Interdisciplinary Approaches for Cement-based Materials and Structural Concrete, Funchal, Madeira Island, Portugal.

  • (PDF) On the Loads for Strength Design of Cutterhead of …

    Cutterhead loads are the key mechanical parameters for the strength design of the full face hard rock tunnel boring machine (TBM). Due to the brittle rock-breaking mechanism, the ...

  • Cutting Heads for Underground Directional Drilling

    As the premier North American cutting head manufacturer, Barbco is proud to provide our customers with cutting heads for all underground conditions. We have a large line of standard cutting heads and can customize one to meet your needs.

  • Numerical Simulation of Conical Pick Cutting Arc Rock …

    The new method of rock breaking based on the combination of circular sawblade and conical pick was proposed to improve the effectiveness of hard rock breaking. The numerical simulation method was applied to research the conical pick cutting arc rock plate by ...

  • (PDF) A New Concept for Selective Mechanical Mining …

    Figure 6 :6Final 3'' cutterhead design Figure 77Figure 7: The DTF Table 1 .1Figure 8: Slewing test in Welded TuffMaterial Cutting Thrust Torque Power Advance Production Mode (lbf) (ft-lb) (hp) (ft/hr) (yd 3 /hr) Concrete Sump 52,400 19,500 90 28 7.3 Concrete

  • A New Concept for Selective Mechanical Mining of Hard Rock

    Table 1: Test results of the 36" durm cutterhead. The laboratory testing of the drum cutterhead in concrete and the welded tuff was very successful. High rates of penetration were achieved with low forces for both sumping and slewing actions. In both cases, the

  • alpine rockwheel rock and concrete grinders

    hydraulic rock cutting attachments Grinding Mill China alpinecutter Alpine Cutterhead Attachments. With technology evolved from the mining industry, Alpine''s hydraulic rock and concrete cutting attachments products rock concrete grinders ltesummit RockWheel ...

  • Previous Models: Rock Grinder Attachments

    Rock Grinder Attachments, Compact. Powerful. Versatile. Safe. With technology evolved from the mining industry, Alpine''s hydraulic rock grinder attachments and concrete cutting attachments (Cutterheads) are a versatile tool with many uses and are an excellent ...

  • TC-D | Alpine Rock Grinding Attachment Products | …

    ROCKWHEEL ROCK & CONCRETE GRINDERS C2 ROCKWHEEL G5 ROCKWHEEL D10 ROCKWHEEL D15 ROCKWHEEL D20 ROCKWHEEL D30 ROCKWHEEL G50 ROCKWHEEL G60 ROCKWHEEL TC20 ROCKWHEEL TC30 ROCKWHEEL RDC Robot ...

  • Analysis on Adaptability of Cutterhead of a 7 m Shield in …

    Tunnel Construction ›› 2015, Vol. 35 ›› Issue (S2): 176-180. DOI: 10.3973/j.issn.1672-741X.2015.S2.032 Previous Articles Next Articles Analysis on Adaptability of Cutterhead of a 7 m Shield in Composite Ground:Case Study on Running Tunnel from ...


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