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application of foam concrete in coal mine

application of foam concrete in coal mine

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Download Citation Study and application of a new type of foamed concrete wall in coal mines A new type of airtight wall with the combination of foamed concrete and pier support was designed in ...

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Study and application of a new type of foamed concrete ...

Aug 16, 2013  10%  A new type of airtight wall with the combination of foamed concrete and pier support was designed in this study. Based on the theories and models related to the foamed concrete and blasting shock load, using the numerical analysis method, this study obtains the new material’s mechanical and destruction laws through analyzing its reaction to different conditions of load (mining

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decided to test the application of Rocsil ® foam for remotely constructing mine seals. Case study of remote sealing using Rocsil ® foam. An underground mine operator was interested in remotely constructing temporary seals in a slope area of a coal mine .

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Study and application of a new type of foamed concrete ...

Download Citation Study and application of a new type of foamed concrete wall in coal mines A new type of airtight wall with the combination of foamed concrete and pier support was designed in ...

get price

Study and application of a new type of foamed concrete ...

Aug 16, 2013  A new type of airtight wall with the combination of foamed concrete and pier support was designed in this study. Based on the theories and models related to the foamed concrete and blasting shock load, using the numerical analysis method, this study obtains the new material’s mechanical and destruction laws through analyzing its reaction to different conditions of load (mining and shock ...

get price

A combined supporting system based on foamed concrete and ...

Sep 01, 2017  Study and application of a new type of foamed concrete wall in coal mines J. Coal Sci. Eng. (China) , 19 ( 3 ) ( 2013 ) , pp. 345 - 352 CrossRef View Record in Scopus Google Scholar

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Behaviour of Foam Concrete under Impact Loading Based on ...

The findings of this research provide a reference for further research on the application of foam concrete in underground coal mines. 1. Introduction. Foam concrete is widely used as a sustainable building material in many infrastructures and constructions, such as the roof of a building [1, 2], the thermal insulation layer outside a concrete ...

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NIOSHTIC-2 Publications Search - 10011645 - Technology ...

Objective: Investigate and demonstrate the possible use of low-density (45-lb/ft3) foam concrete for sealing abandoned mine openings. Although foam concrete has been used in the construction and geotechnical industries for some decades, it has not previously been used in abandoned mine shaft reclamation. Approach: A structurally engineered permanent mine seal for an abandoned coal mine

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Behaviour of Foam Concrete under Impact Loading Based on ...

research on the application of foam concrete in underground coal mines. Disciplines . Engineering Science and Technology Studies . Publication Details . He, Y., Gao, M., Zhao, H. Zhao, Y. (2019). Behaviour of Foam Concrete under Impact Loading Based on SHPB Experiments. Shock and Vibration: shock and vibration control - crashworthiness ...

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Study on Foamed Concrete Used as Gas Isolation Material in ...

Aug 25, 2020  energies Article Study on Foamed Concrete Used as Gas Isolation Material in the Coal Mine Goaf Changyu Xu 1,2, Lijun Han 1,2,*, Maolin Tian 1,2, Yajie Wang 1 and Yuhao Jin 1,2 1 School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China; [email protected] (C.X.); [email protected] (M.T.);

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Development of Quick-Solidifying Foamed Concrete for Mine ...

Nov 17, 2020  Coal mine fires have continuously remained the primary disasters in coal mining worldwide. Cement-based inorganic foam concrete, e.g., for engineering filling and coal mine fire extinguishing, has become the first choice for responding to such fires. The objective of this study was to propose quick-solidifying foamed concrete materials based on laboratory tests, and to test the

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Wilson Mining » ROCSIL FOAM LS1

ROCSIL ® FOAM LS1 is the industry’s leading cavity fill product providing the most cost effective solution to underground coal mines for this critical application. ROCSIL ® FOAM LS1 is a two component phenolic resin product used for cavity filling, air and gas sealing, fire fighting and stabilisation of

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Experiment and application of ceramsite concrete used to ...

Aug 25, 2020  This paper presents a scientific basis and reference for the application of ceramsite concrete in underground coal mines. Taking fly-ash ceramsite as raw material, a variety of mix proportions of C20 ceramsite concrete were proposed by changing the sand rate of concrete.

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Underground Construction, Mine Seals, Reinforced Concrete ...

The job consisted of placing concrete on 4000’ of 18º slope 14 feet wide in the belt shaft that brings the coal out of the mine. The project was basically two fold: the company wanted a concrete bottom under the belt so they could wash any coal spillage to a pit at the bottom of the slope, and there had to be steps placed in the slope beside ...

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Study on Foamed Concrete Used as Gas Isolation Material in ...

Downloadable! In view of the serious threat of gas accumulation in the coal mine goaf and the limitations of the existing gas sealing materials, the orthogonal experiment was developed to study a new type of foamed concrete for mine gas sealing. Dry density, gas permeability, and compressive strength were studied as the material indicators according to the demands of the gas isolation material ...

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Experimental Study and Application of Inorganic Solidified ...

Jan 01, 2017  Free Online Library: Experimental Study and Application of Inorganic Solidified Foam Filling Material for Coal Mines.(Research Article) by "Advances in Materials Science and Engineering"; Engineering and manufacturing Coal industry Chemical properties Coal mining Mineral industry Mining industry Occupational health and safety Occupational safety and health

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Using Foam as a Transportation Medium for Backfilling ...

created by an abandoned coal mine that existed more than 60 feet below the ground surface. The largest void was filled with 267 cubic yards of foamed sand slurry that was injected into the mine entry. The sand was mixed with foam in proportions of seven to 10 cubic feet of foam per yard of sand. The foamed

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Behaviour of Foam Concrete under Impact Loading Based on ...

research on the application of foam concrete in underground coal mines. Disciplines . Engineering Science and Technology Studies . Publication Details . He, Y., Gao, M., Zhao, H. Zhao, Y. (2019). Behaviour of Foam Concrete under Impact Loading Based on SHPB Experiments. Shock and Vibration: shock and vibration control - crashworthiness ...

get price

NIOSHTIC-2 Publications Search - 10011645 - Technology ...

Objective: Investigate and demonstrate the possible use of low-density (45-lb/ft3) foam concrete for sealing abandoned mine openings. Although foam concrete has been used in the construction and geotechnical industries for some decades, it has not previously been used in abandoned mine shaft reclamation. Approach: A structurally engineered permanent mine seal for an abandoned coal mine

get price

[PDF] Behaviour of Foam Concrete under Impact Loading ...

This paper presents an innovative method for using foam concrete as a typical building material for soft structures in underground coal mines subjected to dynamic loading. To understand the behaviour of foam concrete under impact loading, a total of 30 specimens with a diameter of 50 mm and a height of 50 mm were experimentally tested using a 75 mm diameter split Hopkinson pressure bar (SHPB ...

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Development of quick-solidifying foamed concrete for mine ...

Coal mine fire has always been the main disasters in coal mining in various countries around the world, and several attempts have been made to develop many kinds of fire extinguishing materials and technology. ... But the shortcomings of traditional foamed concrete are obvious, short curing time, poor water retention capacity, foam burst easily ...

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Setting New Industry Standards Foam ... - Lightweight Concrete

Foam for Ultra-Lightweight Concrete Vermillion LLC and Associates 2176 Sargent Daly Dr. Chattanooga, TN 37421 ... Www.vermillionassociates AUGER HOLE GROUTING IMPROVES COAL MINING EFFICIENCY Although 90 percent of the country's coal reserves are concentrated in 10 states, coal in mined in 27 states and can be ... application. States with ...

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Using Foam as a Transportation Medium for Backfilling ...

created by an abandoned coal mine that existed more than 60 feet below the ground surface. The largest void was filled with 267 cubic yards of foamed sand slurry that was injected into the mine entry. The sand was mixed with foam in proportions of seven to 10 cubic feet of foam per yard of sand. The foamed

get price

Experiment and application of ceramsite concrete used to ...

Aug 25, 2020  This paper presents a scientific basis and reference for the application of ceramsite concrete in underground coal mines. Taking fly-ash ceramsite as raw material, a variety of mix proportions of C20 ceramsite concrete were proposed by changing the sand rate of concrete.

get price

Preparation of Foam Concrete from Graphite Tailing ...

The average particle size of the mineral is 0.10 mm. After experimental evidence, the direct use of graphite mine tailings, ordinary cement, foamer and other materials for prepared foam concrete, and its performance fully meet the requirements of B07 density rate in JC/T 1062-2007 standard and the middle strength for the A2.5.

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Solutions for tunneling and mining Injection

effective ground consolidation of coal measures, fractured rock and gravels. No foaming in contact with water. Can be used for injections under water. • 2 component pump and static mixer • MEYCO MP 367 Foam • 2 component solvent free urea silicate, fire resistant resin • 10 ~ 60s • 2 to 30 • Cavity filling in tunnelling and mining

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Coating material of air sealing in coal mine: Clay ...

Aug 01, 2013  Application of CCS in Gequan East Mine4.1. Commercial test site. Gequan East mine is the first key state-owned coal mine in Hebei Province. Safe mining in this coal mine will be significant for old mines in Northern China. The sulfur content of 9# bottom coal bed in Gequan East Mine is high, exceeding 45% especially in the coal bed nodule or ...

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Underground Construction, Mine Seals, Reinforced Concrete ...

The job consisted of placing concrete on 4000’ of 18º slope 14 feet wide in the belt shaft that brings the coal out of the mine. The project was basically two fold: the company wanted a concrete bottom under the belt so they could wash any coal spillage to a pit at the bottom of the slope, and there had to be steps placed in the slope beside ...

get price

ASIA PACIFIC

Ground support solutions are essential foundations to the safety of today’s underground mining operations. Our solutions provide underground operations support with cavity filling and consolidation of fractured ground and void spaces, strata control for stability of rock faces preventing rock fall and roof failures, and provisions for managing water ingress and air control.

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Improving Stopping Construction to Minimise Leakage

inhibiting efficient application of polyurethane foam sealant, and airflow leakage through the surrounding coal. The work involved building a stopping in a dead end room of the NIOSH Safety Research Coal Mine and then pressurising the room using compressed air. Stopping leakage was evaluated by measuring air pressure loss in the enclosed

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Application of shotcrete machine

The application of shotcrete machine for coal mine: In the opening up coal mine roadway construction process, the bolting and shotcrete lining is widely used, which is a process of active support. it is through the anchor bolt into the rock within the surrounding rock itself to change the state of stress in the surrounding roadway form an ...

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