Test Results for
Double Eagle Products


1906 Christopher, West Plains, Missouri 65775
417-256-2598

 

Flexure Test Summary
Specimen Description Flexural Yield Stress
(psi)
Modulus of Elasticity
(psi)
Test Method
specimens with blow
(1 x 6, 2 x 4, 5/4 x 6)
2090 133000 ASTM D790
specimens with no blow
(1 x 6, 2 x 4)
2560 149000 ASTM D790
specimens with grooves 2620 164000 ASTM D790

 

Flexure Test Results
Specimen Description Flexural Yield Stress
(psi)
Modulus of Elasticity
(psi)
1 x 6 with blow 2150 125000
2 x 4 with blow 2180 139000
5/4 x 6 with blow 1950 135000
1 x 6 no blow 2610 142000
2 x 4 no blow 2510 155000
1 x 6 groove 2620 164000

 

Specimen Identification
Code Size Description Quantity
A 1 x 6 x 10" with blow 12
B 2 x 4 x 10" with blow 11
C 1 x 6 x 24" with blow 10
D 2 x 4 x 24" with blow 10
E 5/4 x 6 x 24" with blow 10
F 1 x 6 x 10" no blow 10
G 2 x 4 x 10" no blow 10
H 1 x 6 x 24" no blow 10
I 2 x 4 x 24" no blow 13
J 1 x 6 x 10" groove 10
K 1 x 6 x 24" groove 10

 

Flexure Test Details
1 x 6 With Blow
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 12 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.37 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

C1

12

0.727

5.248

16.506

7.219

664.400

448.060

1.250

not reached

2.090

no yield

no yield

no fracture

no yield

no yield

119563

C2

12

0.727

5.239

16.506

7.206

758.408

458.500

1.250

508.700

2.090

512.200

1.970

no fracture

2220

4.74%

136714

C3

12

0.729

5.297

16.461

7.266

678.128

429.511

1.250

461.800

2.090

465.200

1.843

no fracture

1983

4.44%

119912

C4

12

0.727

5.231

16.506

7.195

760.346

458.547

1.250

504.430

2.090

505.500

2.136

no fracture

2194

5.14%

137273

C5

12

0.727

5.259

16.506

7.234

695.824

462.932

1.250

517.320

2.090

521.900

1.937

no fracture

2253

4.66%

124956

C6

12

0.728

5.249

16.484

7.210

617.734

436.174

1.250

479.470

2.090

481.400

1.957

no fracture

2077

4.71%

110686

C7

12

0.730

5.259

16.438

7.204

                     

C8

12

0.735

5.258

16.327

7.154

                     

C9

12

0.733

5.252

16.371

7.165

                     

C10

12

0.708

5.302

16.949

7.489

                     

Average

12

0.727

5.259

16.505

7.234

695.807

448.954

1.250

494.344

2.090

497.240

1.969

no fracture

2145

4.74%

124851

STDS

0

0.007

0.023

0.168

0.095

55.639

13.570

0.000

23.000

0.000

23.332

0.106

 

112

0.25%

10470

 

Flexure Test Details
1 x 6 No Blow
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 12 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.37 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

H1

12

0.705

5.289

17.021

7.502

708.115

524.782

1.250

575.416

2.090

576.900

1.968

no fracture

2633

4.59%

138652

H2

12

0.718

5.259

16.713

7.325

689.952

528.759

1.250

575.840

2.090

578.000

2.002

no fracture

2558

4.75%

128619

H3

12

0.704

5.235

17.045

7.436

734.142

526.192

1.250

577.990

2.090

580.100

2.014

no fracture

2683

4.69%

145851

H4

12

0.703

5.251

17.070

7.469

760.980

517.248

1.250

567.814

2.090

569.700

2.009

no fracture

2634

4.67%

151366

H5

12

0.706

5.270

16.997

7.465

739.264

508.407

1.250

562.420

2.090

563.800

2.020

no fracture

2576

4.72%

144656

H6

12

0.713

5.255

16.830

7.370

                     

H7

12

0.716

5.229

16.760

7.303

                     

H8

12

0.693

5.280

17.316

7.619

                     

H9

12

0.696

5.244

17.241

7.534

                     

H10

12

0.710

5.291

16.901

7.452

                     

Average

12

0.706

5.260

16.990

7.448

726.491

521.078

1.250

571.016

2.090

572.900

2.011

no fracture

2613

4.71%

141829

STDS

0

0.008

0.022

0.195

0.096

27.767

8.278

0.000

6.549

0.000

6.777

0.020

 

50

0.04%

8656

 

Flexure Test Details
1 x 6 Groove
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 12 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.37 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

K1

12

0.757

5.129

15.852

6.775

1022.609

604.396

1.250

643.486

2.090

649.700

1.850

no fracture

2653

4.63%

166783

K2

12

0.763

5.131

15.727

6.725

1019.839

609.383

1.250

648.060

2.090

654.000

1.861

no fracture

2627

4.70%

162375

K3

12

0.764

5.138

15.707

6.725

1010.364

610.719

1.250

651.064

2.090

656.700

1.900

no fracture

2628

4.80%

160017

K4

12

0.763

5.118

15.727

6.708

1050.450

613.135

1.250

648.331

2.090

656.100

1.832

no fracture

2642

4.62%

167674

K5

12

0.760

5.129

15.789

6.749

1022.194

594.931

1.250

635.710

2.090

640.800

1.896

no fracture

2596

4.77%

164749

K6

12

0.755

5.137

15.894

6.804

                     

K7

12

0.759

5.147

15.810

6.781

                     

K8

12

0.760

5.132

15.789

6.753

                     

K9

12

0.759

5.151

15.810

6.787

                     

K10

12

0.754

5.178

15.915

6.867

                     

Average

12

0.759

5.139

15.802

6.767

1025.091

606.513

1.250

645.791

2.090

651.900

1.872

no fracture

2623

4.72%

164320

STDS

0

0.003

0.017

0.070

0.047

15.017

7.218

0.000

6.027

0.000

6.561

0.029

 

22

0.08%

3154

 

Flexure Test Details
2 x 4 With Blow
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 21 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.56 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

D1

21

1.457

3.661

14.413

2.513

816.505

714.787

1.890

792.220

3.150

793.800

3.051

no fracture

2145

4.80%

140235

D2

21

1.476

3.642

14.228

2.467

816.428

738.759

1.890

833.030

3.150

833.800

3.252

no fracture

2207

5.18%

135580

D3

21

1.488

3.645

14.113

2.450

876.437

771.440

1.890

857.990

3.150

858.300

3.183

no fracture

2233

5.11%

141936

D4

21

1.474

3.666

14.247

2.487

843.619

745.402

1.890

829.270

3.150

830.900

3.086

no fracture

2191

4.91%

139746

D5

21

1.469

3.668

14.295

2.497

809.240

714.386

1.890

794.996

3.150

797.300

3.011

no fracture

2115

4.78%

135350

Average

21

1.473

3.656

14.259

2.483

832.446

736.955

1.890

821.501

3.150

822.820

3.117

no fracture

2178

4.96%

138569

STDS

0

0.011

0.012

0.109

0.025

27.880

23.794

0.000

27.770

0.000

27.102

0.099

 

48

0.18%

2949

 

Flexure Test Details
2 x 4 No Blow
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 21 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.56 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

I1

21

1.421

3.667

14.778

2.581

735.695

713.008

1.890

831.741

3.150

832.200

3.128

no fracture

2360

4.80%

135982

I2

21

1.420

3.685

14.789

2.595

826.785

757.662

1.890

859.986

3.150

860.700

3.255

no fracture

2433

4.99%

152394

I3

21

1.480

3.608

14.189

2.438

958.579

860.591

1.890

963.760

3.150

980.900

3.259

no fracture

2606

5.21%

159387

I4

21

1.492

3.635

14.075

2.436

928.890

853.474

1.890

956.462

3.150

958.400

3.255

no fracture

2487

5.24%

149634

I5

21

1.433

3.636

14.655

2.537

972.583

847.389

1.890

951.950

3.150

952.500

3.144

no fracture

2679

4.86%

176783

Average

21

1.449

3.646

14.497

2.517

884.506

806.425

1.890

912.780

3.150

916.940

3.208

no fracture

2513

5.02%

154836

STDS

0

0.034

0.030

0.340

0.076

100.860

66.952

0.000

62.040

0.000

65.989

0.066

 

129

0.20%

14924

 

Flexure Test Details
5/4 x 6 With Blow
Test Method ASTM D790
Date of Test January 5, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Direction of Loading flatwise, "plank" tests, as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Method Used Method II, Procedure A
Support Span Length 21 in.
Radius of Supports and Loading Noses 0.625 in.
Rate of Crosshead Motion 0.56 in. / min

Specimen

Span
(in)

Depth
(in)

Width
(in)

S/D Ratio
(14 to 20)

W/D Ratio

Slope of Load - Deflection Curve
(lb/in)

Load @ 3% Strain
(lb)

Disp @ 3% Strain
(in)

Load @ 5% Strain
(lb)

Disp @ 5% Strain
(in)

Load @ Yield
(lb)

Disp. @ Yield
(in)

Modulus of Rupture
(psi)

Flexural YS
(psi)

% Strain @ Y

Modulus of Elasticity
(psi)

E1

21

1.189

5.852

17.662

4.922

638.328

621.338

1.890

718.781

3.150

719.700

3.243

no fracture

1827

4.16%

126203

E2

21

1.115

5.854

18.834

5.250

616.135

617.883

1.890

735.681

3.150

739.300

3.257

no fracture

2133

3.92%

147664

E3

21

1.198

5.848

17.529

4.881

660.242

650.901

1.890

753.560

3.150

753.800

3.247

no fracture

1886

4.20%

127703

E4

21

1.198

5.800

17.529

4.841

655.111

644.630

1.890

741.210

3.150

743.400

3.257

no fracture

1875

4.21%

127760

E5

21

1.182

5.825

17.766

4.928

720.894

679.052

1.890

788.171

3.150

790.300

3.257

no fracture

2039

4.16%

145747

Average

21

1.176

5.836

17.864

4.965

658.142

642.761

1.890

747.481

3.150

749.300

3.252

no fracture

1952

4.13%

135016

STDS

0

0.035

0.023

0.551

0.163

39.079

24.823

0.000

25.956

0.000

26.039

0.007

 

129

0.12%

10711