Foundations For Buildings in the 1980s - Negative Friction Steel Piling | Gwulo: Old Hong Kong

Foundations For Buildings in the 1980s - Negative Friction Steel Piling

Foundations For Buildings in the 1980s - Negative Friction Steel Piling

Showing negative friction steel piling made from spiral welded hollow steel.

704 of them.

 

Date picture taken (may be approximate): 
Sunday, January 1, 1984