T 23-1997
Standard Method of Test for Making and Curing Concrete Test Specimens in the Field (Twentieth Edition; ASTM C 31-95)

Standard No.

T 23-1997

Release Date

1997

Published By

AASHTO - American Association of State Highway and Transportation Officials

Status

Be replaced 2000-06

Replace By

TB/T 23-1999

Latest

T/CIET 23-2023

T 23-1997 history

• 2023 T/CIET 23-2023 Sintered NdFeB magnets for drive motors of new energy vehicles
• 2020 T/CAMMT 23-2020 Quality management systems - Certification requirements for additive manufacturing service providers
• 2018 T 23-2018 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2017 T 23-2017 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2014 T 23-2014 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2013 T 23-2013 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2008 T 23-2008 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2004 T 23-2004 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field
• 2002 T 23-2002 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field (ASTM Designation: C 31-00)
• 1999 TB/T 23-1999 Dustproof plugs and chains for rolling stock
• 1997 T 23-1997 Standard Method of Test for Making and Curing Concrete Test Specimens in the Field (Twentieth Edition; ASTM C 31-95)
• 1993 T 23-1993 Standard Specification for Making and Curing Concrete Test Specimens in the Field (Eighteenth Edition; ASTM C 31-90a)