Data Sheets

TEC Services

Testing * Engineering * Consulting

The Sefa Group
PO Box 6
Moncks Corner, SC 29461

Date : May 8, 2008
TEC Services I.D : TEC 06-0509
Lab No : 07-100-WA

 

Report of Fly Ash Tests

Sample I.D. No:      WA032007                                                                                 Date Sampled:   March 20, 2007
Manufacturer:        Wateree Station, Wateree, SC                                                       Date Received:   April 3, 2007

Chemical Analysis

Results

Specification (Class F)

 

 

ASTM C168-03

AASHTO M295-05

Silicon Dioxide

54.43

---

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Aluminum Oxide

28.05

---

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Iron Oxide

7.29

---

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Sum of Top Three

89.77

70% min

70% min

Calcium Oxide

1.53

---

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Magnesium Oxide

1.18

---

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Sulfur Trioxide

0.11

5% max

5% max

Loss on Ignition

1.92

6% max

5% max

Moisture Control

0.04

3% max

3% max

Available Alkalies as Na2O

0.12

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Physical Analysis

 

 

 

Fineness (Amount Retained on #325)

19.90%

34% max

34% max

Strength Activity Index with Cement

 

 

 

At 7 Days:

 

 

 

Control Avg psi:  4810

Test Avg psi  4180

87.00%

75% min

75% min

At 28 Days

 

 

 

Control Avg psi6410

Test Avg psi  5380

84.00%

75% min

75% min

Water Requirements (test H2O/Control H2O)

 

 

 

Control mls:  242

Test mls:  239

99.00%

105% max

105% max

Autoclave Expansion

0.04%

+/- 0.8% max

+/- 0.8% max

Uniformity Requirements

Variation

 

 

Specific Gravity      2.21

Average:    2.25

-1.90%

5% max

5% max

% Retained # 325  19.9

Average:   18.8

-1.00%

5% max

5% max