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.
- Number of Pages:
- File Size:
- 1 file , 1.2 MB
- Product Code(s):
- T131-20-UL, T131-20-UL, T131-20-UL