shear box

Test 1: Weight 10 lbs Rotation 0 1 2 3 4 5 6 7 8 9 10

Horizontal Reading 0.000 0.004 0.120 0.212 0.292 0.368 0.416 0.445 0.470 0.480 0.490

1) Calibration Constant k=

Name: Hekmatullah Sharifi Horizontal Force (N)

Horizontal Movement

0.00 1.61 48.19 85.13 117.26 147.78 167.06 178.70 188.74 192.76 196.77

0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00

Shear Stress (N/mm²)

Vertical Reading

0.000 0.000 0.013 0.024 0.033 0.041 0.046 0.050 0.052 0.054 0.055

10.31 10.31 10.31 10.31 10.31 10.31 10.32 10.32 10.33 10.33 10.33

= 1.02 / 0.00254 = 401.57 N

- Horizontal Force = Horizontal Reading x Calibration Con k (1.02N / 0.00254)

a force of 1.02N used to produce a Deformation of 0.0001inch or 0.00254mm - Horizontal Movement 1Rotation = 0.2 mm - Area = 60x60 = 3600 mm² - Shear Stress Horizontal = Horizontal Force / Area (Mpa) - Vertical load (Stress) applied = (15 kg + 10 x 10lb or 4.54342 kgs) x 10 (N) = 603.59N - Normal Stress Vertical = Vertical Force / Area

Vertical Load (N) 603.59 603.59 603.59 603.59 603.59 603.59 603.59 603.59 603.59 603.59 603.59

Vertical (normal) Stress (N/mm²)

0.168 0.168 0.168 0.168 0.168 0.168 0.168 0.168 0.168 0.168 0.168

Vertical Movement (mm)

0.000 0.005 0.000 0.001 0.002 0.001 0.006 0.004 0.006 0.000 0.000

Com' Vertical Movement (mm)

0.000 0.005 0.005 0.006 0.008 0.009 0.015 0.019 0.025 0.025 0.025

Test 2: Weight 20 lbs Rotation

0 1 2 3 4 5 6 7 8 9 10 11 12 13

Horizontal Reading 0.000 0.058 0.170 0.275 0.368 0.479 0.544 0.602 0.653 0.694 0.722 0.747 0.768 0.781

1) Calibration Constant k=

Name: Hekmatullah Sharifi Horizontal Force (N)

Horizontal Shear Stress Movement (N/mm²)

0.00 23.29 68.27 110.43 147.78 192.35 218.46 241.75 262.23 278.69 289.94 299.98 308.41 313.63

0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60

Vertical Reading

0.000 0.006 0.019 0.031 0.041 0.053 0.061 0.067 0.073 0.077 0.081 0.083 0.086 0.087

= 1.02N / 0.00254 = 401.57 N

- Horizontal Force = Horizontal Reading x Calibration Con k (1.02N / 0.00254) a force of 1.02N used to produce a Deformation of 0.0001inch or 0.00254mm - Horizontal Movement 1Rotation = 0.2 mm - Area = 60x60 = 3600 mm² - Shear Stress Horizontal = Horizontal Force / Area - Vertical load applied = (15 kg + 10 x 20lb or 4.54342 kgs) x 10 (N) = 1057.18 N - Normal Stress Vertical = Vertical Force / Area

11.77 11.75 11.73 11.71 11.69 11.68 11.67 11.67 11.67 11.68 11.69 11.70 11.71 11.73

Vertical Load (N) 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18 1057.18

Vertical (normal) Stress (N/mm²)

0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294 0.294

Vertical Movement (mm)

0.000 -0.020 -0.020 -0.020 -0.020 -0.010 -0.010 0.000 0.000 0.010 0.010 0.010 0.010 0.020

Com' Vertical Movement (mm)

0.000 -0.020 -0.040 -0.060 -0.080 -0.090 -0.100 -0.100 -0.100 -0.090 -0.080 -0.070 -0.060 -0.040

Test 3: Weight 40 lbs

Name: Hekmatullah Sharifi

Rotation Horizontal Horizontal Horizontal Reading Force (N) Movement

Vertical Shear Vertical Vertical Vertical (normal) Movement Stress Reading Load (N) Stress (mm) (N/mm²) (N/mm²)

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

0.000 0.119 0.280 0.438 0.584 0.719 0.834 0.954 1.045 1.143 1.222 1.297 1.373 1.425 1.479 1.522 1.558 1.572 1.577 1.586 1.602 1.603

0.00 47.79 112.44 175.89 234.52 288.73 334.91 383.10 419.65 459.00 490.72 520.84 551.36 572.24 593.93 611.20 625.65 631.28 633.28 636.90 643.32 643.72

0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00 4.20

0.000 0.013 0.031 0.049 0.065 0.080 0.093 0.106 0.117 0.128 0.136 0.145 0.153 0.159 0.165 0.170 0.174 0.175 0.176 0.177 0.179 0.179

8.91 8.91 8.91 8.90 8.89 8.88 8.87 8.86 8.85 8.84 8.83 8.82 8.82 8.82 8.82 8.82 8.82 8.82 8.83 8.83 8.83 8.83

1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37 1964.37

Calibration Constant k= = 1.02N / 0.00254 = 401.57

Horizontal Force = Horizontal Reading x Calibration Con k (1.02N / 0.00254) a force of 1.02N used to produce a Deformation of 0.0001inch or 0.00254mm Horizontal Movement 1Rotation = 0.2 mm Area = 60x60 = 3600 mm² Shear Stress Horizontal = Horizontal Force / Area Vertical load applied = (15 kg + 40 x 10lb or 4.54342 kgs) x 10 (N) = 1964.37 N Normal Stress Vertical = Vertical Force / Area

0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546 0.546

0.000 0.000 0.000 -0.010 -0.010 -0.010 -0.010 -0.010 -0.010 -0.010 -0.010 -0.010 0.000 0.000 0.000 0.000 0.000 0.000 0.010 0.000 0.000 0.000

kmatullah Sharifi Com' Vertical Movement (mm)

0.000 0.000 0.000 -0.010 -0.020 -0.030 -0.040 -0.050 -0.060 -0.070 -0.080 -0.090 -0.090 -0.090 -0.090 -0.090 -0.090 -0.090 -0.080 -0.080 -0.080 -0.080

Hekmatullah Sharifi

Vertical Movement Vs Horizontal Movments Vertical Deformation (mm)

0.040 0.020

0.000 -0.020

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

-0.040 -0.060 -0.080 -0.100 -0.120

10 lbs 20 lbs 40 lbs

Horizontal Movment (mm)

Shear Stress Vs Horizontal Movements 0.200 0.180 0.160 0.140 0.120 0.100 0.080

0.060 0.040 0.020 0.000 -0.020 0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

10 lbs 20 lbs 40 lbs

Horizontal Movement (mm)

Shear Stress Vs Normal Stress

10lbs 20lbs 40lbs

168 294 546

Shear Stress (kPa) 55 87 180

y = 0.3348x - 5.3095

200 Shear Stress kPa

Normal Weight Stress (kPa)

150 100 50 0 0

100

200

300 Normal Stress kPa

Cohesion C = 0 and the angle of Friction f = 20

400

500

600

ah Sharifi