ASTM C29/C29M
Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
ASTM C29/C29M is the ASTM standard for measuring the bulk density (“unit weight”) and voids in aggregate. It provides a practical test method for evaluating how aggregate behaves in bulk, which is important for material control, mix proportioning, and comparison of aggregate sources. By addressing both unit weight and void content, ASTM C29/C29M helps produce more consistent results for routine testing, specification review, and quality-related decisions.
What is ASTM C29/C29M?
ASTM C29/C29M, titled Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate, describes a test method used to determine how much aggregate weighs in a given volume and to estimate the voids between particles. This information is commonly used when evaluating aggregate characteristics for engineering and production purposes. As a technical document, it supports consistent testing practices and helps define a repeatable basis for comparing aggregate materials under controlled conditions.
Where is ASTM C29/C29M used?
This standard is commonly used in aggregate testing, materials evaluation, and quality control settings where bulk density and void content are relevant. It is especially useful for laboratories, producers, and inspectors working with coarse or fine aggregate materials. ASTM C29/C29M may also be applied when checking aggregate consistency, supporting procurement decisions, or documenting test results for specifications and project requirements involving aggregate-based construction materials.
Why is ASTM C29/C29M important?
ASTM C29/C29M matters because bulk density and voids can affect how aggregate is measured, handled, and used in practice. A consistent test method supports reliable comparisons between batches, suppliers, or sources and helps reduce uncertainty in material acceptance and quality control. For organizations that depend on test data for compliance or product evaluation, this standard provides a clear framework for obtaining results that are more repeatable and easier to reference in technical documentation.
- Bulk density and unit weight measurement
- Voids in aggregate assessment
- Aggregate testing and quality control
- Material comparison and specification review
- Publication Date: 2023-11-15
- Publisher: ASTM
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.