Issue 50

M. Papachristoforou et alii, Frattura ed Integrità Strutturale, 50 (2019) 526-536; DOI: 10.3221/IGF-ESIS.50.44

mixtures. Superplasticizer addition rate ranged from 2-3.4 % of binder and water to cement ratio 0.47-0.57 and 0.34-0.37 for the mixtures with 500 and 830 kg/m³ binder respectively.

Limestone filler

River Sand

Composition

100

75

50

25

Passing (%)

0

0.01

0.1

1

Sieve (mm)

Figure 1 : Granulometry of aggregates used.

Materials (kg/m³) Cement II52,5N

CL1 450

FL1 350

F1

LL1 350

L1

350

350

Silica fume

50

50

50

50

50

Fly Ash

- -

100

100

-

-

Ladle Furnace slag Limestone filler

-

- -

100 667 667 280

100

667 667 289

667 667 280

-

Siliceous sand

1333

1333

Water

242

237

Superplasticizer

17

16

14

16

14

Binder

-

Fly Ash

Fly Ash

LFS

LFS

By products used

Limestone filler

Limestone filler

Limestone filler

Aggregate

-

-

Table 1 : Mixture proportions for 500 kg/m³ binder.

Materials (kg/m³) Cement II52,5N

CL2 747

FL2 582

F2

LL2 582

L2

582

582

Silica fume

83

83

83

83

83

Fly Ash

- -

165

165

-

-

Ladle Furnace slag Limestone filler

-

- -

165 550 550 308

165

550 550 308

550 550 308

-

Siliceous sand

1100

1100

Water

281

281

Superplasticizer

17

20

17

19

16

Binder

-

Fly Ash

Fly Ash

LFS

LFS

By products used

Limestone filler

Limestone filler

Limestone filler

Aggregate

-

-

Table 2 : Mixture proportions for 830 kg/m³ binder.

528