PT. JAYA BETON INDONESIA

Plant Sadang

TRIAL MIX DESIGN AND PROPORTION

Date of Trial Mix = Monday, October 19, 2015Production = CCSP

INTERNAL CTF-15Target Strength = K-700

Mix Proportion

MIX PROPORTION Volume Adukan ( m3 )TM 1 TM 2 TM 3 14 0.02198K-700 K-700 K-700 TM 1 TM 2 TM 3

Cement 570 570 525 525 525 525 12.534 11.540 11.540

Fly ash 0 0.0% 0 0.0% 0 0.0% 0.000 0.000 0.000

Gravel-1 (Splite 10-20) 639 661 664 14.056 14.529 14.595

Gravel-2 (Screen 5-10) 274 276 295 6.024 6.066 6.484

Sand 778 806 783 17.105 17.716 17.210

Water 140 132 135 3.077 2.901 2.967

Additive 1 (Water Reducer) 9.00 1.58% 9.00 1.71% 9.55 1.82% 0.198 0.198 0.210

Additive 2 (CTF-15) 0 0.00% 3.15 0.60% 3.15 0.6%

2411 2411.00 2412.15 2414.70 52.99 52.95 53.01

- Semen yg digunakan Gersik Gersik Gersik

- Splite yg digunakan Bandung Bandung Bandung

- Pasir yg digunakan Galunggung 04 Galunggung 04 Galunggung 04

- Additive yg digunakan Polinex P Polinex P Polinex P- Jenis Additive Polimer Polimer Polimer

- W/C 25% 25% 25% 25% 26% 26%

- S/A 46% 46% 45%

- Slump Target ( cm )- Slump Actual (cm ) 23(48/48) 8 24(68/60)

- Jumlah Sampel 12 12 12

- Workability OK Not OK OK

- Time of trial 11:10 11:50 15:00

Compressive StrengthLoad f'c Ave Load f'c Ave Load f'c Ave K Ave K Ave

%(kN) (kN) (kN)

1 Hari189 24.1

28.7

194 24.7

22.5

168 21.4

23.4251 32.0 163 20.8 161 20.5

20 Oktober 2015235 29.9 173 22.0 221 28.2

7 Hari368 46.9

41.6

302 38.5

35.8

348 44.3

44.0 3.8325 41.4 333 42.4 340 43.3 4.1

26 Oktober 2015286 36.4 207 26.4 349 44.5 3.6

7.6%

28 hari343 43.7

44.2

338 43.1

44.5

366 46.6

45.6 4.4351 44.7 361 46.0 341 43.4 4.4

16 November 2015347 44.2 348 44.3 368 46.9 4.3

8.7%

Keterangan :- Menggunakan material eksisting PT. JBI--

Purwakarta, October 19, 2015Diketahui oleh, Dilaporkan oleh,

Ka.Bag. QC & Eng. Team QC & ENG

22 ± 2 22 ± 2 22 ± 2

(N/mm2) (N/mm2) (N/mm2) (kg/cm2) (kg/cm2)