JG 225-2007: Corrugated metal dusts for prestressee concrete

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Scope

This Standard specifies the classification and marking, requirements, test
methods, inspection rules, packaging, marks, transport, storage and use of
corrugated metal ducts for prestressed concrete.
This Standard is applicable to metal ducts of reserved hole which are made by
plated or non-plated low-carbon steel with a screw folded seam and used in
post-tensioned prestressed concrete structural pieces.

Basic Data

Standard ID	JG 225-2007 (JG225-2007)
Description (Translated English)	Corrugated metal dusts for prestressee concrete
Sector / Industry	Building and Construction Industry Standard
Classification of Chinese Standard	H48
Classification of International Standard	23.040.10
Word Count Estimation	12,195
Date of Issue	2007-09-04
Date of Implementation	2008-02-01
Older Standard (superseded by this standard)	JG/T 3013-1994
Quoted Standard	GB 716; GB/T 2518
Regulation (derived from)	Chinese Ministry of Construction Bulletin No. 711
Issuing agency(ies)	Ministry of Construction of the People's Republic of China
Summary	This standard specifies the prestressed concrete with a metal bellows classification and marking, requirements, test methods, inspection rules, packaging, marking, transportation, storage and use of such content. This standard applies to galvanized or not galvanized low carbon steel spiral made of folded seams and for post-tensioned concrete structure in the holes for the metal tube.