آخرین محصولات

Normet SmartScan®

Normet SmartScan® combined with Normet sprayed concrete equipment provides a proven system to optimize the underground concrete spray application. Using 3D laser scanning technology, SmartScan eliminates the need for manual probing of the sprayed concrete thickness, significantly increasing the safety and efficiency of the concrete spraying ...

Sprayed Concrete Testing of early strength development in Mining …

A concrete mixer truck carrying between 1 and 4 m3 of fresh concrete delivers the concrete to the sprayed concrete pump. In a typical experiment, test panels of dimensions 50 x 50 x 10 cm are filled with sprayed concrete and thereafter moved to an adjacent laboratory (20 ± 2°C, relative humidity not less than 65 %) where they are tested using ...

Shotcrete: Systematically Sprayed Support | E & MJ

The Roboshot 600 is a self-propelled mobile concrete sprayer, which, the company stated, optimizes concrete spraying in mining and tunnel projects with variable tunnel cross sections.

New Shotcrete Solutions Spray More Concrete

The newest concrete mixers, transport units and shotcrete machines are designed to help miners spray more concrete and get better spraying results. They can also feature some of the latest electrification and digitization …

Safety, health and hazards related to using of sprayed …

setting mortar. Sprayed concrete support has developed around the world as a constructive process for tunnels. Progresses in sprayed concrete technology have enabled the worldwide development of the New Austrian Tunnelling Method (NATM) that was proposed by Rabcewicz in 1962 [1, 2]. Guniting (spraying concrete), as a part of initial support system

Spray Solutions for Cement Manufacturing | Spraying Systems …

Optimizing Spray Technology For Cement Manufacturing In harsh cement manufacturing environments, the right nozzles, spray lances and high-pressure spray guns can make all the difference on the bottom line. That's why cement plants depend on spray technology and expertise from Spraying Systems Co.

Sika Technologies for Mining

Sprayed concrete unites multiple aspects of modern concrete technology with respect to materials handling technology as well as concrete admixture chemistry. Sika masters all the …

Building a stronger future with sprayed concrete …

Concrete spraying is a time and cost-effective, mechanised technological solution for shaft lining and concrete construction. Application methods for sprayed concrete only continue to improve, especially when …

Concrete Spraying

Our rotary concrete spraying machines including shotcrete sprayers and shotcrete pumps are robust and easy to set up, operate and clean after use. Suitable for repair works including …

SS5 Shotcrete Sprayer

Designed specifically for the Underground Mining & Civil Tunneling industries; High production spraying with ready mixed (wet) concrete/shotcrete delivery systems; Purpose-designed pump that allows the use of regular concrete for …

The influence of alkali-free and alkaline shotcrete …

1. Introduction. In the shotcrete technology, the new high-performance alkali-free admixtures increasingly substitute the alkali-rich accelerators in order to improve the performance and working safety [1], [2], so that the knowledge of the sulfate resistance of both types of admixtures is necessary and becomes the main goal of this work.. It is generally believed that …

Solutions for the Mining Industry

High-quality, durable sprayed concrete (shotcrete) has become a vital component of ground support and stabilization in both tunneling and mining. Sprayed concrete support creates …

Sprayed Concrete Methods for Mining Industry

Sprayed Concrete Methods for the Mining Industry | South Africa. The dry-mix method was the established method for constructing sprayed concrete linings until the mid 1990s, when the wet-mix method began to be used more widely. Due to the benefits of the wet-mix method, many contractors who were involved in underground or ground-support projects with large volumes …

Spray Solutions for Cement Manufacturing | Spraying Systems …

Learn how our spray lances and nozzles optimize cement plant operations such as gas cooling in conditioning towers and clinker coolers, dust suppression and more. Choose another country or region to see content specific to your location

Sprayed concrete lining versus traditional hand-mining at …

An innovative solution, involving a mechanised sprayed concrete lining with an optimised external support system, was developed as an alternative for two of the adits. Compared to hand-mining it provided greater working space, minimised hand excavation and manual handling, kept the railway operational and reduced the programme and costs.

Sprayed Concrete

Sprayed concrete is characterized by high flexibility, good economics and good physical properties. It requires the combination of advanced concrete admixture chemistry and modern materials handling technology. Nevertheless, the advantage over conventional concreting methods is outstanding: the application of concrete without any formwork.

Norstreamer 30 V

NorStreamer 30 V is a mobile concrete pump for high-quality sprayed concrete application. It features the low-pulsation NSP 30 double-piston concrete pump with a volumetric pumping capacity of 30 m 3 /h and a fast-switching S-tube for durability and the best possible spraying results. The machine is also equipped with an unrivalled accelerator dosing system with either …

Solutions for the Mining Industry

in both tunneling and mining. Sprayed concrete support creates state-of-the-art linings. Constantly striving to exceed customer needs and demands, our admixture technologies ... Our hydration control system MasterRoc HCA is capable of maintaining an open time of up to 72 hours, allowing for total flexibility of site logistics. The viscosity ...

Sprayed Concrete

The use of sprayed concrete in mines, tunnels and other civil engineering structures is an important and integral part of successful, highly productive, and safe rock support systems. ... Meeting the mining and tunnelling industry's demands for improved safety and higher productivity requires full-process, next-generation solutions ...

(PDF) Solutions for the Mining Industry · sprayed concrete.

Solutions for the Mining Industry 2 Solutions for the Mining Industry Our Comprehensive Portfolio for the Mining Industry 1 2 3 4 5 6 7 8 9 10 11 Pre-Injection Rock ...

Sika Technologies for Mining

Concrete spraying systems Aliva® rotary machines Concrete spraying machines Sika® Shot-3 Ready mixed gunite SOLUTIONS FOR MINING SIKA TECHNOLOGIES. 4 5 ... MAIN REQUIREMENTS OF CONCRETE IN MINING Strong, fast and reliable rock reinforcement is the key in underground mining. The designed concrete has to

PROSHOT™ CONCRETE SPRAYER

Description. Concrete Sprayer's are designed to apply a consistent, quality layer of sprayed concrete in underground mines and tunnels. This innovation features an unparalleled boom coverage area, extending the spray coverage in …

Learn more about shotcrete | Sika Canada

Reinforced sprayed concrete is also possible with mesh or fiber reinforced shotcrete ... while in open-pit mining and on major construction sites it is typically used for rock and soil stabilization on slopes. In bridge and other civil engineering repair and refurbishment works, shotcrete is often used specifically because formwork can thereby ...

Safety, health and hazards related to using of sprayed concrete …

Sprayed concrete is a traditional building material, but at the same time it represents a highly innovative technology. The development of sprayed concrete includes material science and advances spraying equipment technology. The performance and ... Safety, health and hazards related to using of sprayed concrete in underground mining works.

North America Shotcrete/Sprayed Cement Market Drivers

Overview Of Shotcrete/Sprayed Cement Industry 2024-2032: The report offers detailed coverage of Shotcrete/Sprayed Cement industry and main market trends. ... ‣ Underground Mining ‣ Water ...

Aliva 257 versatile and reliable sprayed concrete machine

Tunnelling and Mining . Aliva's sprayed concrete machines are designed for tunnelling and mining, especially where tunnel linings, junctions, and enlargements are required. ... and safe rock support systems. Normet is the industry leader in concrete spraying solutions, providing a complete range of related equipment, services, and chemicals to ...

Safer, deeper, faster: sprayed concrete — an integral …

Sprayed concrete has also proven itself as an attractive component of support systems in ductile environments. This paper will cover the requirements of a successful prayed csoncrete program from a holistic approach; reference a suitable case study, emphasising the contribution to safe and rapid development; and discuss

Best practice concrete spraying for underground mine …

Spraymec 8100 VC has an onboard compressor with a capacity of 12 m 3 /min for efficient and high quality sprayed concrete application. Four-wheel drive and four-wheel …

and BASF Team Up on Sustainable Sprayed Concrete …

Underground Rock Excavation division and BASF Construction Chemicals Europe Ltd. have signed an agreement to join forces to foster further expertise on sustainable sprayed concrete. This cooperation follows 's acquisition of the MEYCO Equipment sprayed concrete manufacturer ...

Sika Solutions for Sprayed Concrete

SIKA SOLUTIONS FOR SPRAYED CONCRETE ... in open-pit mining and on major construction sites it is typically used for rock and soil stabilization on slopes. In bridge and other civil engineering repair and ... The SikaSprinter is a unique independent spraying system, which was especially designed for performing initial tests on

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