ASTM D5370
Full Name
ASTM D5370 – Standard Specification for Pozzolanic Blended Materials in Construction Applications
Scope
ASTM D5370 is a standard specification that outlines the requirements for pozzolanic blended materials used in construction. These materials are employed in applications where the advantageous properties of finely divided mineral admixtures are desired. Pozzolans, such as fly ash, silica fume, slag cement, and calcined natural pozzolans, are frequently used in concrete to enhance its durability, workability, and strength. This specification ensures the quality and consistency of these blended materials, contributing to the overall reliability of construction projects.
The standard defines several key terms related to pozzolanic materials:
- Pozzolanic blended material: a mixture comprised of two or more finely divided pozzolanic materials.
- Cement kiln dust (CKD): a fine particulate matter collected from the exhaust gases of a cement kiln.
- Fly ash: a byproduct of coal combustion in power plants.
- Silica fume: a byproduct of silicon and ferrosilicon alloy production.
- Slag cement: a byproduct of iron and steel manufacturing.
- Natural pozzolans: materials of volcanic or sedimentary origin containing reactive silica.
ASTM D5370 refers to several other ASTM standards for specific test methods and terminology, including:
- ASTM C25 – Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime
- ASTM C114 – Test Methods for Chemical Analysis of Hydraulic Cement
- ASTM C125 – Terminology Relating to Concrete and Concrete Aggregates
- ASTM C219 – Terminology Relating to Hydraulic Cement
- ASTM C311 – Sampling and Testing Coal Ash or Natural Pozzolans for Use in Portland-Cement Concrete
- ASTM C593 – Specification for Fly Ash and Other Pozzolans for Use With Lime for Soil Stabilization
- ASTM C618 – Specification for Coal Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
- ASTM C989 – Specification for Slag Cement for Use in Concrete and Mortars
Compliance with ASTM D5370 is crucial for ensuring the quality and performance of pozzolanic blended materials. Testing these materials according to the standard provides valuable insights into their chemical composition, physical properties, and pozzolanic activity. This information is essential for selecting the appropriate materials for specific construction applications and for optimizing mix designs to achieve desired performance characteristics.
ASTM D5370 Accredited Laboratory
Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM D5370 standard. Partnering with us ensures that your construction materials meet the required standards and contribute to the long-term success of your projects.
Contact us today to discuss your testing needs and learn how we can help you achieve your project goals.
Resources
Keywords
pozzolan; fly ash; blended material; construction applications; silica fume; slag cement; cement kiln dust; lime kiln dust; calcined pozzolans; mineral materials; pozzolanic; cement; concrete; mortar; grout