Significance and Use
This test method is designed to evaluate the bleed stability of a freshly-mixed grout under static pressure. It can be used in both the laboratory to qualify grout materials and in the field as a quality control test. When used to qualify grout materials, replicate tests may be specified. It is intended that the test pressure, acceptance criteria, and number of replicate tests be set forth in the contract documents if this test method is referenced. These values will normally vary depending on the vertical rise of the post-tensioning tendon.
Note 1—Appendix X1 includes a reference for an example of test pressures and bleeding limits.
The procedure for this test was developed by Schokker et al. based on previous work by Schupack.
1.1 This test method is designed to determine the bleed stability of freshly-mixed cementitious grout under static pressure.
1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 and health practices and determine the applicability of regulatory limitations prior to use. (WarningFresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C125 Terminology Relating to Concrete and Concrete Aggregates
C938 Practice for Proportioning Grout Mixtures for Preplaced-Aggregate Concrete
bleed stability; bleed water; bleeding; grout; post-tensioning; pressure;
ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
ASTM International is a member of CrossRef.
Citing ASTM Standards
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