A group of students in CETEST24P determined the initial time of setting of “brand X” cement by following the procedures in ASTM C191. The cement paste was proportioned and mixed to normal consistency and placed in a moist cabinet at 1:30 PM. After 30 minutes, penetration test was performed and recorded to be 40 mm and the penetration in every 15 minutes were recorded at Table 5.1. Determine the initial and final time of setting of cement. Show a Clear and Organized solution:
A group of students in CETEST24P determined the initial time of setting of “brand X” cement by following the procedures in ASTM C191. The cement paste was proportioned and mixed to normal consistency and placed in a moist cabinet at 1:30 PM. After 30 minutes, penetration test was performed and recorded to be 40 mm and the penetration in every 15 minutes were recorded at Table 5.1. Determine the initial and final time of setting of cement. Show a Clear and Organized solution:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A group of students in CETEST24P determined the initial time of setting of “brand X” cement by following the procedures in ASTM C191. The cement paste was proportioned and mixed to normal consistency and placed in a moist cabinet at 1:30 PM. After 30 minutes, penetration test was performed and recorded to be 40 mm and the penetration in every 15 minutes were recorded at Table 5.1. Determine the initial and final time of setting of cement.
Show a Clear and Organized solution:
Transcribed Image Text:Time
Penetration,
mm
3:00
3:15 3:30
33 29 27 23
2:00 2:15 2:30 2:45
40 40 37
3:45
21 16 15 12
4:00 4:15 4:30 4:45 5:00 5:15
8
5
2
00
5:30 5:45
0.5
0
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