AASHTO T 131 PDF download
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Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C 191-18)
Published by | Publication Date | Number of Pages |
AASHTO | 2020 | 13 |
AASHTO T 131 – Standard Method of Test for Time of Setting of Hydraulic Cement by Vicat Needle (ASTM Designation: C 191-18)
AASHTO T 131-20 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.
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