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Full Description

These test methods determine the time of setting of hydraulic cement by means of the Vicat needle. Two test methods are given: Method A is the Reference Test Method using the manually operated standard Vicat apparatus, while Method B permits the use of an automatic Vicat machine that has, in accordance with the qualification requirements of this method, demonstrated acceptable performance.

Noteā€”For the method for determining the time of setting by Gillmore needles, see AASHTO T 154.

 

Document History

  1. AASHTO T 131-23

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    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-21)

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  2. AASHTO T 131-22


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-19)

    • Historical Version
  3. AASHTO T 131-20


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-18)

    • Historical Version
  4. AASHTO T 131-15


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-13)

    • Historical Version
  5. AASHTO T 131-10 (2014)


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-08)

    • Historical Version
  6. AASHTO T 131-09


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-07)

    • Historical Version
  7. AASHTO T 131-08


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-04b)

    • Historical Version
  8. AASHTO T 131-06


    Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C191-04a)

    • Historical Version