JG 225-2007
Corrugated metal ducts for prestressed concrete (English Version)

Standard No.

JG 225-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Construction Industry

Latest

JG 225-2007

Scope

This standard specifies the classification and marking, requirements, test methods, inspection rules, packaging, marking, transportation, storage and use of metal corrugated pipes for prestressed concrete. This standard applies to metal pipes made of spirally folded bites of galvanized or non-galvanized mild steel strips and used for reserved holes in post-tensioned prestressed concrete structural members.

JG 225-2007 Referenced Document

• GB/T 2518 Continuously hot-dip zinc and zinc alloy coated steel sheet and strip*， 2019-12-10 Update
• GB/T 716 Cold-rolled carbon structural steel strips

JG 225-2007 history

• 2007 JG 225-2007 Corrugated metal ducts for prestressed concrete