ASTM D 3957—06 Standard Practices for Establishing Stress Grades for Structural Members Used in Log Buildings (PDF Download)

Item #: 8959P413
Price: $58.00
Member Price: $58.00
Member Savings: $0.00
$58.00
$58.00

These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. Both sawn lumber and round timber stress-grading methodologies are applied to two different types of structural members used in log buildings: wall-logs and round timber beams. The development of design stress values from clear wood strength values for wall-logs and round timber beams for used in log buildings is demonstrated in this standard. However, the grading provisions presented herein are not intended to establish grades for purchase, but rather to show how stress-grading principles are applied to members used in log buildings.

This standard is referenced in the 2012 International Building Code® and the International Residential Code®.

More Information
Description: Extra

These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. Both sawn lumber and round timber stress-grading methodologies are applied to two different types of structural members used in log buildings: wall-logs and round timber beams. The development of design stress values from clear wood strength values for wall-logs and round timber beams for used in log buildings is demonstrated in this standard. However, the grading provisions presented herein are not intended to establish grades for purchase, but rather to show how stress-grading principles are applied to members used in log buildings.

This standard is referenced in the 2012 International Building Code® and the International Residential Code®.

Pages 7
Publisher ASTM International
This site has been tested and optimized for Firefox, Safari, Chrome and Internet Explorer 10+. We recommend users of early versions of Internet Explorer to update to Version 11 or later.