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We Energies Coal Combustion Products ... - The White House

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Table 4-34: Changes in Fundamental Longitudinal Resonant Frequency of Test Prisms During Freeze-<br />

Thaw Cycling per ASTM C666 Procedure A<br />

Source<br />

of Fly<br />

Ash<br />

Percent<br />

Replacement<br />

Size of<br />

Specimen,<br />

(in.)<br />

P-4 20 3x4x12-1/4<br />

P-4 50 3x4x12-1/4<br />

OCPP 40 3x3x11-1/4<br />

P-4 20 3x4x12-1/4<br />

P-4 50 3x4x12-1/4<br />

OCPP 40 3x3x11-1/4<br />

Fundamental Longitudinal Resonant Frequency N, cps<br />

Reference Moist-Cured Prisms Freeze-Thaw Test Prisms<br />

Initial<br />

6504<br />

6546<br />

5679<br />

6431<br />

6340<br />

6400<br />

7162<br />

7150<br />

7142<br />

Initial<br />

5.280<br />

5.786<br />

5.807<br />

5.733<br />

5.647<br />

5.677<br />

3.842<br />

3.826<br />

3.780<br />

At end of Freeze-<br />

Thaw Cycle Time<br />

6764<br />

6820<br />

6838<br />

6778<br />

6645<br />

6722<br />

7493<br />

7480<br />

7443<br />

At end of Freeze-<br />

Thaw Cycle Time<br />

5.843<br />

5.810<br />

5.832<br />

5.762<br />

5.675<br />

5.706<br />

3.853<br />

3.837<br />

3.793<br />

Percent<br />

Change<br />

4.0<br />

4.2<br />

3.9<br />

5.4<br />

4.8<br />

5.0<br />

4.6<br />

4.6<br />

4.2<br />

Percent<br />

Change<br />

0.40<br />

0.41<br />

0.41<br />

0.51<br />

0.50<br />

0.51<br />

0.29<br />

0.29<br />

0.34<br />

N * N ** N ***<br />

6526<br />

6547<br />

6492<br />

6412<br />

6350<br />

6379<br />

6912<br />

6975<br />

6971<br />

<strong>We</strong>ight W, Kg<br />

6180 [150]<br />

6103 [150]<br />

6140 [150]<br />

6178 [150]<br />

6030 [150]<br />

6092 [150]<br />

6673 [150]<br />

6805 [150]<br />

6770 [150]<br />

5620 [300]<br />

5954 [300]<br />

5070 [300]<br />

6194 [300]<br />

5891 [300]<br />

6101 [300]<br />

6890 [300]<br />

6780 [300]<br />

6780 [300]<br />

W * W ** W ***<br />

5.834<br />

5.770<br />

5.827<br />

5.789<br />

5.763<br />

5.738<br />

3.843<br />

3.850<br />

3.874<br />

5.873 [150]<br />

5.763 [150]<br />

5.785 [150]<br />

5.797 [150]<br />

5.784 [150]<br />

5.759 [150]<br />

3.846 [150]<br />

3.856 [150]<br />

3.878 [150]<br />

5.800 [300]<br />

5.763 [300]<br />

5.790 [300]<br />

5.781 [300]<br />

5.773 [300]<br />

5.752 [300]<br />

3.827 [300]<br />

3.833 [300]<br />

3.858 [300]<br />

Percent<br />

Change<br />

-13.9<br />

-9.1<br />

-21.9<br />

-3.4<br />

-7.2<br />

-4.4<br />

-0.3<br />

-2.8<br />

-2.7<br />

Percent<br />

Change<br />

-0.58<br />

-0.12<br />

-0.63<br />

-0.14<br />

0.17<br />

0.24<br />

-0.42<br />

-0.44<br />

-0.41<br />

<strong>We</strong> <strong>Energies</strong> 100<br />

<strong>Coal</strong> <strong>Combustion</strong> <strong>Products</strong><br />

Utilization Handbook

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