Standard Test Method for Penetration Resistance of Hardened Concrete
Standard Test Method for Penetration Resistance of Hardened Concrete
SIGNIFICANCE AND USE 5.1 This test method is applicable to assess the uniformity of concrete and to delineate zones of poor quality or deteriorated concrete in structures. 5.2 This test method is applicable to estimate in-place strength, provided that a relationship has been experimentally established between penetration resistance and concrete strength. Such a relationship must be established for a given test apparatus (see also 9.1.5), using similar concrete materials and mixture proportions as in the structure. Use the procedures and statistical methods in ACI 228.1R for developing and using the strength relationship.4 Note 1: Since penetration results may be affected by the nature of the formed surfaces (for example, wooden forms versus steel forms), correlation testing should be performed on specimens with formed surfaces similar to those to be used during construction. Additional information on the factors affecting penetration test results and summaries of past research are available.4,5 5.3 Steel probes are driven with a high-energy, powder-actuated driver, and probes may penetrate some aggregate particles. Probe penetration resistance is affected by concrete strength as well as the nature of the coarse aggregate. Steel pins are smaller in size than probes and are driven by a low-energy, spring-actuated driver. Pins are intended to penetrate the mortar fraction only; therefore, a test in which a pin strikes a coarse aggregate particle is disregarded. 5.4 This test method results in surface damage to the concrete, which may require repair in exposed architectural finishes. SCOPE 1.1 This test method covers the determination of the resistance of hardened concrete to penetration by either a steel probe or pin. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM C803/C803M-23 is the internationally recognized standard test method for determining the penetration resistance of hardened concrete using steel probes or pins. Developed by ASTM Committee C09, this method is essential for assessing the uniformity and identifying areas of potential deterioration in concrete structures. The test provides valuable, nondestructive insights into the in-place strength and quality of concrete, making it highly relevant for construction, maintenance, and structural evaluation.
Penetration resistance testing is widely used to estimate in-place concrete strength when an appropriate correlation has been established between the penetration measurements and concrete strength for the specific materials and mix designs involved. This test is conducted using calibrated mechanical drivers and standardized steel probes or pins, following strict procedures to ensure accuracy.
ASTM C803/C803M-23 is routinely applied in a variety of civil engineering and construction scenarios, including:
Другие стандарты ASTM
The test method is particularly valuable for large infrastructure projects, such as bridges, tunnels, dams, and buildings, where non-destructive or minimally-destructive testing methods are preferred.
For comprehensive evaluation and correct implementation, consider referencing these related standards and guidelines:
By following ASTM C803/C803M-23, professionals gain a reliable tool for nondestructive evaluation of concrete, supporting better decision-making in quality control, structural assessment, and maintenance planning. Its use not only increases the safety and longevity of concrete structures but also ensures adherence to international construction quality and safety requirements.
Keywords: concrete strength, penetration resistance, in-place concrete testing, nondestructive evaluation, concrete uniformity, ASTM C803, structural assessment.