505.01Test Methods and Procedures
The following test methods and procedures shall be used with exceptions as listed below.
Air Test ........................................................................ AASHTO T 152* or ASTM C173** Flexural Strength ......................................................... AASHTO T 97* Making and Curing Specimens .................................... AASHTO T 23* 10 Sampling Fresh Concrete ............................................ AASHTO R 60 Sieve Analysis of Aggregates ...................................... AASHTO T 27 Slump .......................................................................... AASHTO T 119 Specific Gravity and Absorption, Coarse Aggregate ... AASHTO T 85 Specific Gravity an d Absorption, Fine Aggregate ....... AASHTO T 84 Thickness of PCCP ...................................................... ITM 404 Unit Weight and Relative Yield .................................. AASHTO T 121* Water/Cementitious Ratio ........................................... ITM 403
* The concrete shall be consolidated by the method of 20 internal vibration in beam forms or in an aluminum measure or air meter bowl, as appropriate for the test.
** If slag aggregate is used, the method and procedure for the test shall be in accordance with ASTM C173.
The chosen method of concrete consolid ation shall be the same for all concrete test specimens.
The exceptions to AASHTO T 23 for making and curing specimens in the field shall be as follows:
location and removed from the molds.
prior to time of testing. 40
The exceptions to AASHTO T 97 for conducting a flexural test on concrete beams shall be as follows:
the middle 1/3 of the beam.
The exceptions to AASHTO T 121 for determining the unit weight of concrete shall be as follows:
The exceptions to AASHTO R 60 for sampling fresh concrete shall be as follows:
from one portion of the load.
The exceptions to AASHTO T 152 for determining the air content in portland cement concrete shall be as follows:
accordance with 6.0. The aggregat e correction factor shall be determined in accordance with 8.3 and read directly from the meter. 70
confirmation if the test results for gravel is greater than 0.4% or if the test results for crushed stone is greater than 0.6%.
may be washed from the concrete sample and used to determine the correction factor.
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