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Elastic Modulus Test

 

Sample(I): porphyry

Location: Trentino

Rocktype: porphyric quartzite

 

Orientation of possible planes of discontinuity or schistocity with respect to the direction of load

 

Elastic Modulus Test diagram

 

L = 201.0 mm
A = 50.5mm
B = 49.5 mm

 

 

Applied load
P (kN)

Axial pressure
σ1(MPa)*

Longitudinal
deformation
ε1(με)

 

Applied load
P(kN)

Axial pressure
σ1(MPa)*

Longitudinal
deformation
ε1(με)

0

0

0

 

323.7

129.5

2180

49.0

19.6

365

 

353.2

141.3

2364

98.1

39.2

722

 

382.6

153.0

2549

117.7

47.1

856

 

412.0

164.8

2737

147.1

58.8

1056

 

441.4

176.6

2917

176.6

70.6

1242

 

470.9

188.4

3107

206.6

82.4

1432

 

500.3

200.1

3290

235.4

94.2

1620

 

529.7

211.9

3480

264.9

106.0

1810

 

557.2

223.7

3677

294.3

117.7

1994

 

578.8

231.5

breaking

Breaking load under monoaxial compression: Cο = 231,5 MPa

* 1 MPa = 10.2 Kgf/cm^2