Self-drilling Rock Bolts as Pipe Umbrella System to Support Panxing Tunnel
2 years ago
Self-drilling rock bolts can be used as the pipe umbrella system to support unstable tunnel structures. Get a free sample by email to sinorock@sinorockco.com or visit www.sinorockco.com.
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1:27
KMGH
2 years agoCentral 70's new tunnel: Look at deluge firefighting system
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Louis Rossmann
2 years agoNever cut out your support system
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Louis Rossmann
2 years agoNever cut out your support system
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WFTS
2 years agoVinik sends bolts staff to Denver to support team
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