Column 2 - Determine which one is which pozzolan (from Table 1): (A/B/C/D) Column 3 - Identify the natural and artificial pozzolans: (N/A)

Structural Analysis
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Chapter2: Loads On Structures
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10) Table 1 and Table 2 list the general properties and the production alternatives for
various pozzolans.
|Table 1
Chemical Composition
SiO2, %
B
D
35
93
35
50
A½O3, %
Fe3O2, %
Саб, %
Physical Property
Blaine fineness, m²/kg
Color
20
0.4
12
25
0.4
10
25
1.6
40
5
430
Gray
19,000
Gray
400
White
390
Gray
Production Method
a byproduct of producing silicon metal or ferrosilicon alloys
2
Table 2
a by-product in coal fired power stations
formed when molten iron blast furnace slag is rapidly chilled (quenched) by
immersion in water
A dehydroxylated form of the clay mineral kaolinite
3
For the four pozzolans given in the first column of Table 3, fill the remaining columns with
the corresponding letters and numbers:
• Column 2 - Determine which one is which pozzolan (from Table 1): (A/B/C/D)
• Column 3 - Identify the natural and artificial pozzolans: (N/A)
• Column 4 - Determine which ones are self-cementing.
Column 5 - Determine the production method (from Table 2): (1/2/3/4)
Table 3
Properties Natural/Artificial
(A/B/C/D)
Self-
Production
(N/A)
Method
cementing
(Yes/No)
|(1/2/3/4)
|Ground blast furnace slag
......
Silica Fume
.....
Class F fly ash
Class C fly ash
Transcribed Image Text:10) Table 1 and Table 2 list the general properties and the production alternatives for various pozzolans. |Table 1 Chemical Composition SiO2, % B D 35 93 35 50 A½O3, % Fe3O2, % Саб, % Physical Property Blaine fineness, m²/kg Color 20 0.4 12 25 0.4 10 25 1.6 40 5 430 Gray 19,000 Gray 400 White 390 Gray Production Method a byproduct of producing silicon metal or ferrosilicon alloys 2 Table 2 a by-product in coal fired power stations formed when molten iron blast furnace slag is rapidly chilled (quenched) by immersion in water A dehydroxylated form of the clay mineral kaolinite 3 For the four pozzolans given in the first column of Table 3, fill the remaining columns with the corresponding letters and numbers: • Column 2 - Determine which one is which pozzolan (from Table 1): (A/B/C/D) • Column 3 - Identify the natural and artificial pozzolans: (N/A) • Column 4 - Determine which ones are self-cementing. Column 5 - Determine the production method (from Table 2): (1/2/3/4) Table 3 Properties Natural/Artificial (A/B/C/D) Self- Production (N/A) Method cementing (Yes/No) |(1/2/3/4) |Ground blast furnace slag ...... Silica Fume ..... Class F fly ash Class C fly ash
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