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Table 5 Summary of the fluidity test results.

From: Control of Viscosity of Cementitious Materials Using Waste Limestone Powder

Mixture

Slump (mm)

T20a (s)

Rheology test

w/b

WLP replacement ratio

Plastic viscosity (Pa-s)

Yield stress (Pa)

0.20

Control

320

2.0

2.00

0.0

C90L10

 L2000

340

Not reached

1.90

0.0

 L4000

350

2.0

1.21

0.0

 L7000

330

2.0

2.86

0.0

C80L20

 L2000

350

1.5

1.56

0.0

 L4000

340

1.5

1.42

0.0

 L7000

330

2.0

1.52

0.0

C70L30

 L2000

330

1.5

0.96

0.0

 L4000

350

2.0

1.10

0.0

 L7000

310

2.0

1.52

0.0

0.25

Control

260

Not reached

1.19

8.0

C90L10

 L2000

270

2.0

1.15

0.0

 L4000

280

1.0

1.35

0.0

 L7000

230

2.0

1.54

2.5

C80L20

 L2000

315

1.0

0.57

1.6

 L4000

310

1.0

1.30

0.0

 L7000

250

2.0

1.46

0.0

C70L30

 L2000

320

1.0

0.42

0.0

 L4000

320

1.0

1.09

0.0

 L7000

290

1.0

1.11

0.0

0.30

Control

175

Not reached

1.14

5.5

C90L10

 L2000

220

1.5

0.72

2.3

 L4000

215

2.0

0.94

0.8

 L7000

190

Not reached

1.05

2.8

C80L20

 L2000

260

2.0

0.50

0.0

 L4000

240

1.0

0.56

0.0

 L7000

200

4.0

1.01

5.6

C70L30

 L2000

300

1.0

0.14

0.0

 L4000

260

1.0

0.49

0.0

 

 L7000

190

4.0

0.90

3.3

  1. a T20 means the time to reach 20 mm spread distance.