ASTM C642-13 is a widely adopted standard test method for determining the density, absorption, and voids in hardened concrete. By understanding the significance and requirements of this standard, professionals can ensure the quality and durability of concrete structures. While accessing a free PDF download of ASTM C642-13 may require some effort, there are several options available. We hope this article has provided a comprehensive guide to ASTM C642-13 and helped you access the standard.
| Parameter | Definition | Why It Matters | |-----------|------------|----------------| | | Mass of water absorbed per unit dry mass of a concrete specimen (percentage). | Indicates the material’s permeability to water, which influences freeze‑thaw resistance and corrosion risk for embedded steel. | | Voids | Volume of open pores per unit volume of concrete (percentage). | Directly affects strength, durability, and the ability of admixtures or sealants to penetrate the matrix. | | Absorption Index | Ratio of water absorbed to the volume of voids (dimensionless). | Provides a more nuanced view of how much of the void space can actually hold water, distinguishing between capillary and entrapped air pores. | astm c642-13 pdf free download
Would you like a based on the public abstract of ASTM C642-13 instead? I can provide that without infringing copyright. ASTM C642-13 is a widely adopted standard test
While the exact ASTM test method is proprietary, many research papers describe equivalent procedures (e.g., “water absorption test per ASTM C642”). Authors often provide detailed steps, allowing practitioners to perform the test without the standard—provided they are comfortable with the slight variations. We hope this article has provided a comprehensive
Some major public libraries (e.g., NYPL, LA Public Library) offer free remote access to ASTM standards via electronic resources. Ask a librarian.