Concrete is in charge of canister of prestressing force steel (PCCP) brief intr
From;    Author:Stand originally
One, structural type PCCP is the multiple tube material that makes by canister of prestressing force steel wire, steel, concrete, it is concrete of canister of prestressing force steel is in charge of (PRESTRESSEDCONCRETECYLINDERPIPE) English abbreviate. Material of this kind of canal is the concrete in strip steel canister on tubal core, steel wire of hoop winding prestressing force, be in charge of covering layer of mortar of the exterior cement that use spray finally and make. Configuration detailed sees graph *-* , graph *-* , graph *-* ...