Eval Beton PBI Dan SNI

Kuat Tekan Beton Karakteristik Rencama (σbkdesign) : 225 kg/cm2

(K-225)

Standar Deviasi Rencana (Srdesign) : - kg/cm2

σbi ≥ σbk σbi,4 ≥

σbk-0,82Sr

1 2 3 4 5 6 7 8 9 10 11 12

1 6/21/2005 290.0 270.0 280.00 72.25 OK

2 6/21/2005 300.0 270.0 285.00 12.25 OK

3 6/22/2005 290.0 290.0 290.00 2.25 OK

4 6/22/2005 290.0 300.0 295.00 42.25 287.50 15.00 OK OK OK 6.45

5 6/23/2005 290.0 260.0 275.00 182.25 286.25 20.00 OK OK OK 8.54

6 6/23/2005 280.0 290.0 285.00 12.25 286.25 20.00 OK OK OK 8.54

7 6/24/2005 320.0 290.0 305.00 272.25 290.00 30.00 OK OK OK 12.91

8 6/24/2005 260.0 290.0 275.00 182.25 285.00 30.00 OK OK OK 14.14

9 6/24/2005 280.0 290.0 285.00 12.25 287.50 30.00 OK OK OK 12.58

10 6/24/2005 290.0 320.0 305.00 272.25 292.50 30.00 OK OK OK 15.00

11 6/24/2005 290.0 280.0 285.00 12.25 287.50 30.00 OK OK OK 12.58

12 6/24/2005 300.0 260.0 280.00 72.25 288.75 25.00 OK OK OK 11.09

13 6/25/2005 280.0 320.0 300.00 132.25 292.50 25.00 OK OK OK 11.90

14 6/25/2005 300.0 320.0 310.00 462.25 293.75 30.00 OK OK OK 13.77

15 6/26/2005 290.0 260.0 275.00 182.25 291.25 35.00 OK OK OK 16.52

16 6/26/2005 240.0 280.0 260.00 812.25 286.25 50.00 OK OK OK 22.87

17 6/26/2005 290.0 320.0 305.00 272.25 287.50 50.00 OK OK OK 23.98

18 6/26/2005 300.0 320.0 310.00 462.25 287.50 50.00 OK OK OK 23.98

19 6/26/2005 320.0 300.0 310.00 462.25 296.25 50.00 OK OK OK 24.28

20 6/26/2005 240.0 270.0 255.00 1122.25 295.00 55.00 OK OK OK 26.77

Jumlah (∑) 5770.00 5055.00

Kuat Tekan Rata-Rata Aktual (σbrata2 actual), kg/cm2 288.50

Standar Deviasi Aktual (Sractual), kg/cm2 16.31

k 1.64

Kuat Tekan Karakteristik Aktual (σbkactual), kg/cm2 σbrata2 - k Sr 261.75

EVALUASI MUTU BETON (PBI 1971)

Selisih nilai σbi

maks. dan σbi

min. dari 4 nilai

berurutan

(σbi,4)

σbi,4 ≤ 4,3 Sr(jika σbi <

σbk, tdk

lebih dari 1

Nilai)

Nilai Konstanta Statistik dg 5% Cacat (k), dari 20 nilai σbi

maksimum hanya 1 nilai yang kurang dari σbk

NO.Tanggal

Pembuatan

Kuat Tekan Beton (kg/cm2) Persyaratan PBI 1971

Srσb1 σb2

(σbrata2 - σbi)2

Rata2 dari 4

σbi berurutan

(σbi,4)2

σbσbσb 21

i

n

σbn

1i

i

1n

)σb-σb(n

i

2

irata2

Kuat Tekan Beton Karakteristik Rencama (σbkdesign) : 300 kg/cm2

(K-300)

Standar Deviasi Rencana (Srdesign) : - kg/cm2

σbi ≥ σbk σbi,4 ≥

σbk-0,82Sr

1 2 3 4 5 6 7 8 9 10 11 12

1 312.5 300.2 306.35 201.77 OK

2 345.2 321.2 333.20 159.91 OK

3 310.9 343.2 327.05 42.19 OK

4 343.2 387.4 365.30 2002.16 332.98 58.95 OK OK OK 24.42

5 367.2 321.6 344.40 568.61 342.49 38.25 OK OK OK 16.82

6 341.2 311.2 326.20 31.87 340.74 39.10 OK OK OK 18.40

7 305.9 299.8 302.85 313.45 334.69 62.45 OK OK OK 26.57

8 298.7 320.1 309.40 124.42 320.71 41.55 OK OK OK 18.60

9 300.2 311.1 305.65 222.15 311.03 23.35 OK OK OK 10.47

10 287.9 320.4 304.15 269.11 305.51 6.55 OK OK OK 2.83

11 302.9 300.2 301.55 361.17 305.19 7.85 OK OK OK 3.28

12

13

14

15

16

17

18

19

20

Jumlah (∑) 3526.10 4296.80

Kuat Tekan Rata-Rata Aktual (σbrata2 actual), kg/cm2 320.55

Standar Deviasi Aktual (Sractual), kg/cm2 20.73

k 1.64

k1 1.19

EVALUASI MUTU BETON (PBI 1971)

Nilai Konstanta Statistik dg 5% Cacat (k), dari 20 nilai σbi

maksimum hanya 1 nilai yang kurang dari σbk

Ket.

Faktor Pengali Standar Deviasi, Apabila Jumlah Benda Uji

Tidak Memenuhi Ketentuan Jumlah Minimal

NO.Tanggal

Pembuatan

Kuat Tekan Beton (kg/cm2) Persyaratan PBI 1971

σb1 σb2(σbrata2 - σbi)

2

Rata2 dari 4

σbi berurutan

(σbi,4)

Selisih nilai σbi

maks. dan σbi

min. dari 4 nilai

berurutan

(σbi,4)

σbi,4 ≤ 4,3 Sr(jika σbi <

σbk, tdk

lebih dari 1

Nilai)

2

σbσbσb 21

i

n

σbn

1i

i

1n

)σb-σb(n

i

2

irata2

Kuat Tekan Karakteristik Aktual (σbkactual), kg/cm2 σbrata2 - k x Sr x k1

280.10

Kuat Tekan Beton Karakteristik Rencama (fc'design) : 27.5 Mpa

Standar Deviasi Rencana (Srdesign) : - Mpa

1 2 3 4 5 6 7 8 9 10

1 3/5/2006 32.0 32.9 32.45 0.80 OK

2 3/6/2006 33.9 35.2 34.55 1.46 OK

3 3/10/2006 32.5 32.8 32.65 0.48 33.22 OK OK

4 3/12/2006 33.1 34.5 33.80 0.21 33.67 OK OK

5 3/13/2006 34.5 33.8 34.15 0.65 33.53 OK OK

6 3/17/2006 30.2 31.5 30.85 6.21 32.93 OK OK

7 3/19/2006 31.9 33.2 32.55 0.63 32.52 OK OK

8 3/21/2006 33.1 32.2 32.65 0.48 32.02 OK OK

9 3/25/2006 34.6 34.1 34.35 1.02 33.18 OK OK

10 3/28/2006 32.7 33.8 33.25 0.01 33.42 OK OK

11 3/30/2006 29.7 28.3 29.00 18.85 32.20 OK OK

12 4/2/2006 29.7 25.0 27.35 35.90 29.87 OK OK

13 4/5/2006 32.7 33.7 33.20 0.02 29.85 OK OK

14 4/8/2006 33.6 34.8 34.20 0.74 31.58 OK OK

15 4/9/2006 31.7 32.2 31.95 1.94 33.12 OK OK

16 4/15/2006 30.5 32.3 31.40 3.77 32.52 OK OK

17 4/16/2006 34.3 35.0 34.65 1.71 32.67 OK OK

18 4/19/2006 33.8 35.0 34.40 1.12 33.48 OK OK

19 4/20/2006 39.2 38.4 38.80 29.79 35.95 OK OK

20 4/22/2006 36.6 33.6 35.10 3.09 36.10 OK OK

21 4/24/2006 35.0 34.3 34.65 1.71 36.18 OK OK

22 4/28/2006 32.0 30.6 31.30 4.17 33.68 OK OK

23 5/1/2006 35.1 35.0 35.05 2.92 33.67 OK OK

24 5/3/2006 37.4 38.0 37.70 19.00 34.68 OK OK

25 5/7/2006 36.5 37.0 36.75 11.62 36.50 OK OK

26 5/10/2006 32.4 32.9 32.65 0.48 35.70 OK OK

27 5/11/2006 33.7 34.8 34.25 0.83 34.55 OK OK

28 5/15/2006 34.5 33.7 34.10 0.58 33.67 OK OK

29 5/16/2006 33.2 32.2 32.70 0.41 33.68 OK OK

30 5/18/2006 29.3 30.3 29.80 12.54 32.20 OK OK

Jumlah (∑) 1000.25 163.11

Kuat Tekan Rata-Rata Aktual (f'cractual), MPa 33.34

Standar Deviasi Aktual (Sractual), MPa 2.37

Kuat Tekan Karakteristik Aktual (fc'actual) ke 1, MPa fcr - 1,34 x Sr 30.16


Kuat Tekan Karakteristik Aktual (fc'actual), MPa Diambil nilai terkecil dari nilai di atas 27.82

EVALUASI MUTU BETON (SNI 03-2847-2000)

NO.Tanggal

Pembuatan

Kuat Tekan Beton (MPa) Persyaratan SNI 03-2847-2000

Ket.fc1 fc2

Rata2 dari 3 fci

berurutan

(fci,3)2

fcfcfc 21

i

3,5-fcfc '

i '

i fc,3fc 2

ir )fc-(fc

1-n

)fc-(fcn

1i

2

ir

Kuat Tekan Beton Karakteristik Rencama (fc'design) : 35 Mpa


1 2 3 4 5 6 7 8 9 10

1 37.0 39.0 38.00 3.30 OK

2 36.0 35.0 35.50 0.47 OK

3 35.5 36.7 36.10 0.01 36.53 OK OK

4 36.5 34.5 35.50 0.47 35.70 OK OK

5 35.9 36.7 36.30 0.01 35.97 OK OK

6 34.8 33.5 34.15 4.13 35.32 OK OK

7 38.7 36.2 37.45 1.60 35.97 OK OK

8 36.5 38.2 37.35 1.36 36.32 OK OK

9 38.3 32.1 35.20 0.97 36.67 OK OK

10 35.2 37.4 36.30 0.01 36.28 OK OK

11 39.3 35.2 37.25 1.14 36.25 OK OK

12 35.2 39.2 37.20 1.03 36.92 OK OK

13 33.2 37.1 35.15 1.07 36.53 OK OK

14 37.2 34.2 35.70 0.23 36.02 OK OK

15 36.1 35.1 35.60 0.34 35.48 OK OK

Jumlah (∑) 542.75 16.15



k 1.18

Kuat Tekan Karakteristik Aktual (fc'actual) ke 1, MPa fcr - 1,34 x Sr x k 34.49

Kuat Tekan Karakteristik Aktual (fc'actual) ke 2, MPa fcr - 2,33 x Sr x k 33.23



Ket.fc1 fc2

Rata2 dari 3 fci

berurutan

(fci,3)

Faktor Pengali Standar Deviasi, Apabila Jumlah Benda

Uji Tidak Memenuhi Ketentuan Jumlah Minimal

NO.Tanggal

Pembuatan


2

fcfcfc 21

i

3,5-fcfc '

i '

i fc,3fc 2

ir )fc-(fc

n

fc1

i

n

i

1-n

)fc-(fcn

1i

2

ir

21

23

28

FAKTOR PENGALI STANDAR DEVIASI JIKA JUMLAH BENDA UJI

TIDAK MEMENUHI KETENTUAN MINIMAL

Untuk jumlah benda uji Untuk jumlah benda uji

minimal 30 buah minimal 20 buah

Jml. Benda uji Faktor pengali Jml. Benda uji Faktor pengali

10 1,36 8 1,37 11 1,31 9 1,29 12 1,27 10 1,23 13 1,24 11 1,19 14 1,21 12 1,15 15 1,18 13 1,12 16 1,16 14 1,10 17 1,14 15 1,07

18 1,12 16 1,06 19 1,11 17 1,04 20 1,09 18 1,03 21 1,08 19 1,01 22 1,07 20 1 23 1,06 24 1,05 25 1,04 26 1,03 27 1,02 28 1,02 29 1,01 30 1

TABEL 4. 1. (SNI 03-6815-2002)

NILAI-NILAI k UNTUK BERBAGAI KEMUNGKINAN KEKUATAN DI BAWAH

BATASAN TERENDAH (f’c)

Kuat Tekan Beton Karakteristik Rencama (fc'design) : 25 Mpa


1 2 3 4 5 6 7 8 9 10

1 3/5/2006 37.3 33.7 35.50 5.90 OK

2 3/6/2006 29.3 32.3 30.80 5.16 OK

3 3/10/2006 33.7 30.5 32.10 0.94 32.80 OK OK

4 3/12/2006 31.5 34.9 33.20 0.02 32.03 OK OK

5 3/13/2006 38.5 34.9 36.70 13.16 34.00 OK OK

6 3/17/2006 31.5 34.9 33.20 0.02 34.37 OK OK

7 3/19/2006 34.2 31.0 32.60 0.22 34.17 OK OK

8 3/21/2006 32.5 35.9 34.20 1.27 33.33 OK OK

9 3/25/2006 34.8 31.4 33.10 0.00 33.30 OK OK

10 3/28/2006 37.7 41.7 39.70 43.93 35.67 OK OK

11 3/30/2006 35.2 31.8 33.50 0.18 35.43 OK OK

12 4/2/2006 34.4 38.0 36.20 9.78 36.47 OK OK

13 4/5/2006 36.5 33.1 34.80 2.99 34.83 OK OK

14 4/8/2006 29.4 32.4 30.90 4.72 33.97 OK OK

15 4/9/2006 34.1 30.9 32.50 0.33 32.73 OK OK

16 4/15/2006 32.7 36.1 34.40 1.76 32.60 OK OK

17 4/16/2006 34.9 31.5 33.20 0.02 33.37 OK OK

18 4/19/2006 33.7 37.3 35.50 5.90 34.37 OK OK

19 4/20/2006 33.8 30.6 32.20 0.76 33.63 OK OK

20 4/22/2006 34.8 38.4 36.60 12.45 34.77 OK OK

21 4/24/2006 37.3 33.7 35.50 5.90 34.77 OK OK

22 4/28/2006 34.7 38.4 36.56 12.17 36.22 OK OK

23 5/1/2006 36.1 32.7 34.40 1.76 35.49 OK OK

24 5/3/2006 30.5 33.7 32.10 0.94 34.35 OK OK

25 5/7/2006 31.7 28.7 30.20 8.25 32.23 OK OK

26 5/10/2006 32.6 36.0 34.30 1.51 32.20 OK OK

27 5/11/2006 25.6 23.2 24.40 75.20 29.63 OK OK

28 5/15/2006 24.2 26.8 25.50 57.34 28.07 OK OK

29 5/16/2006 26.1 23.7 24.90 66.78 24.93 OK Tidak OK

30 5/18/2006 31.7 35.1 33.40 0.11 27.93 OK OK

Jumlah (∑) 992.16 339.46






Rata2 dari 3 fci

berurutan

(fci,3)


NO.Tanggal

Pembuatan


Ket.fc1 fc2

2

fcfcfc 21

i

3,5-fcfc '

i '

i fc,3fc 2

ir )fc-(fc

n

fc1

i

n

i

1-n

)fc-(fcn

1i

2

ir

Documents

Eval Beton PBI Dan SNI