Support element, for an underground mine, comprises a T-shaped central column consisting of a hydraulically curable and inflatable material surrounded by a sleeve made of stacked non-flammable empty car tires
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Valve for steel hollow body telescoped by being filled with building material
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Structural support for use in mining industry
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Consolidation support for mine or tunnel - has hollow upper and lower support parts, upper part being pushable into lower part, and floor of upper part being formed as plate
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Support pillar.
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Support pillar.
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System of propping of tunnel wall - includes holding wall open by using tightly fitting steel support struts between roof and ground after advance of cutting machine and behind conveyor
