What is the vicat time of setting? 2. What is the final time of setting?
What is the vicat time of setting? 2. What is the final time of setting?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
1. What is the vicat time of setting?
2. What is the final time of setting?
![V.
CALCULATION
1. Calculate the vicat time of setting to the nearest 1 min. as follows:
x (C - 25)+ E
- 25)] E
С — D,
time in minutes of last penetration greater than 25 mm,
time in minutes of first penetration less than 25 mm,
penetration reading at time E,
penetration reading at time H,
Where:
E
%3D
H
%3D
D
%3D
2. Calculate the vicat final time of setting by determining the elapsed time between the time of the
initial contact between cement and water and the time when the needle does not sink visibly into
the paste, rounded to the nearest 5 min.
VI.
DATA RESULTS AND COMPUTATION
Table 5.1 Test Summary
Vicat time of setting:
Vicat Final time of setting:
Table 5.2 Test Results
Time after molding
Penetration
Time after molding
Penetration
(min)
(mm)
25
(mm)
(min)
30
40
210
45
40
225
20
60
40
240
18
75
40
255
16
90
40
270
14
105
40
300
12
120
37
315
135
37
330
6.
150
35
345
4
165
33
360
2.
180
32
375
195
29
390](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ee7d24f-22c4-496f-b297-9f6121485308%2F11db3d2d-46d4-4694-96b9-f580340e0b20%2Fbj8sfwa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:V.
CALCULATION
1. Calculate the vicat time of setting to the nearest 1 min. as follows:
x (C - 25)+ E
- 25)] E
С — D,
time in minutes of last penetration greater than 25 mm,
time in minutes of first penetration less than 25 mm,
penetration reading at time E,
penetration reading at time H,
Where:
E
%3D
H
%3D
D
%3D
2. Calculate the vicat final time of setting by determining the elapsed time between the time of the
initial contact between cement and water and the time when the needle does not sink visibly into
the paste, rounded to the nearest 5 min.
VI.
DATA RESULTS AND COMPUTATION
Table 5.1 Test Summary
Vicat time of setting:
Vicat Final time of setting:
Table 5.2 Test Results
Time after molding
Penetration
Time after molding
Penetration
(min)
(mm)
25
(mm)
(min)
30
40
210
45
40
225
20
60
40
240
18
75
40
255
16
90
40
270
14
105
40
300
12
120
37
315
135
37
330
6.
150
35
345
4
165
33
360
2.
180
32
375
195
29
390
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