Sample No.21. 70% Gravel + 30% Sand-lime brick U/C Ratio 0.50 Observations

Cycles

Start

10

20

30

40

50

Length (*0.0l mm) :

214.7

212.7

220

245

216

217.5

Weight (g):

11,962

11,966

11967.5

11,968

11967

11968.5

R frequency (Hz)

4186

4012

3971.5

3926

3860.5

3859

Dyn. Mod. N/mm²):

4193

38514.8

37742.8

36920

35656.8

35631.3

Reduction in dyn. mod. = 15% Increase in length = 0.005% (max 0.06%)

Sample No.22. 70% Gravel + 30% Sand-lime brick W/C Ratio 0.385 Observations

Cycles

Start

10

20

30

40

50

Length (*0.01 mm)

235.5

233.25

242

253.5

234.5

238

Weight (g):

11947.5

11949.5

11,949

11949.5

1949

11,947

R frequency (Hz):

4112

4064

4064.5

4063

4057.5

4051

Dyn.Mod. (N/mm’):

40402.9

39461.6

39,485

39474.2

39,337

39,217

Reduction in Dyn. mod. − 3% Increase in length = 0.005% (max 0.036)