LY/T 1157-2018 Active Industry standards-Forestry

LY/T 1157-2018 Purlin log

LY/T 1157-2018 Purlin log

Publish Date: 2018-12-29 Implement Date: 2019-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: LY/T 1157-2018

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Raw logs and original timber

ICS Name: \nTimber, logs, and sawn timber

Publish Date: 2018-12-29

Implement Date: 2019-05-01

Pages: 4 pages

Scope

This standard specifies the terms and definitions, requirements, measuring tools, inspection methods, sampling and judgment methods, volume calculation, and product marking for purlins. This standard applies to the roof structures of civilian buildings that directly use logs as materials.

Development Information

Word Count: 7 Thousand words Pages: 4 pages

Replace the following standards

LY/T 1157-2008 Purlin log

Referenced Standards

GB/T 144-1995 Log inspection GB/T 144-2003 Log inspection GB/T 144-2013 Log inspection GB/T 144-2024 Log inspection GB/T 155-1995 Defects in logs GB/T 155-2006 Defects in logs GB/T 155-2017 Defects in logs GB 4814-1984 Log volume table GB/T 4814-2013 Log volume table GB/T 15787-1995 Terms in log inspection GB/T 15787-2006 Terms in log inspection GB/T 15787-2017 Terms in log inspection GB/T 17659.1-1999 Sampling and judging methods for lot inspection of logs and sawn timbers—Part 1:Sampling and judging methods for lot inspection of logs GB/T 17659.1-2018 Sampling and judging methods for lot inspection of logs and sawn timbers—Part 1:Sampling and judging methods for lot inspection of logs LY/T 1511-2002 Mark imprint for log products GB/Z 155-2025 General principles of sodium ion battery cathode materials GB/Z 144-2025 Course development guide for education about standardization—Automotive standardization and application

Related Standards

GB 449-1984 Replaced

GB 449-1984 Sawn timber volume table

Publish Date: 1984-12-22

GB 4814-1984 Replaced

GB 4814-1984 Log volume table

Publish Date: 1984-12-22

GB 4815-1984 Replaced

GB 4815-1984 Volume table of Chinese fir tree poles

Publish Date: 1984-12-22

GB/T 11717-1989 Replaced

GB/T 11717-1989 Pulp logs

Publish Date: 1989-11-16

GB/T 1930-1991 Replaced

GB/T 1930-1991 Method for determination of the annual rings width and latewood rate of wood

Publish Date: 1991-05-03

GB/T 15106-1994 Replaced

GB/T 15106-1994 Log of sliced veneer

Publish Date: 1994-06-27