Sample No.41. 60% Gravel + 40% Sand-lime brick W/C Ratio 0.50 Observations

Cycles

Start

10

20

30

40

50

Length (*0.01 mm)

203.4

201.6

208

232

203

206

Weight (g):

11,859

11,864

11,867

11,869

11,867

11,869

R frequency (Hz):

4166

4001

3970

3916

3873

3844

Dyn. Mod. (N/mm’)

41,164

37,965

37,388

36,413

35,577

35,050

Reduction in dynamic modulus = 14.8% Increase in length = 0.005% (max 0.057%)

Sample No.42. 60% Gravel + 40% Sand-lime brick W/C Ratio 0.385 Observations

Cycles

Start

10

20

3 O

40

50

Length (*0.01 mm)

231

229

240

254

243

244

Weight (g):

11,938

11,939

11,942

11,943

11,942

11,943

R frequency (Hz):

4104

4041

4027

4008

3997

3984

Dyn. Mod. (N/mm’ )

40,2l4

38,985

38,733

38,390

38,162

37,916

Reduction in dynamic modulus = 5.7% Increase in length = 0.026% (max 0.046%)