• Series 1: RCC with Porac Sand as Fine Aggregate (RCCPS)

Mix Code

Water

(kg)

Cement

Type I

(kg)

Porac

Sand

(kg)

Mine Tailings

(PCGMT)

(kg)

Gravel

(20 - 25 mm)

(kg)

Average Compressive Strength (MPa)

7 days

28 days

63 days

S1/200

83

200

966

-

1190

6.40

7.40

10.70

S1/300

100

300

854

-

1190

16.30

16.90

20.70

S1/400

116

400

741

-

1190

30.10

33.20

38.40

S1/500

130

500

633

-

1190

35.20

37.40

44.90

• Series 2: RCC with Philex Copper-Gold Mine Tailings as Fine Aggregate (RCCCGMT)

Mix Code

Water

(kg)

Cement

Type I

(kg)

Porac

Sand

(kg)

Mine Tailings

(PCGMT)

(kg)

Gravel

(20 - 25 mm)

(kg)

Average Compressive Strength (MPa)

7 days

28 days

63 days

S2/200

112

200

-

1003

1227

8.30

9.70

10.30

S2/300

118

300

-

919

1227

15.30

17.80

20.00

S2/400

125

400

-

842

1227

21.70

25.50

28.50

S2/500

132

500

-

742

1227

24.80

28.50

32.70