Gradasi Klp 2 oc

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LABORATORIUM PEGUJIAN BAHAN

JURUSAN TEKNIK SIPIL

POLITEKNIK NEGERI UJUNG PANDANG

4 4.8 32.1 2.14 2.14

8 2.4 53.30 3.56 5.70

16 1.2 78.80 5.26 10.95

30 0.6 370.90 24.74 35.6950 0.3 719.50 47.99 83.68

100 0.15 184.70 12.32 96.00

Pan 59.90 4.00 100.00

Jumlah 1499

Modulus Kehalusan : 2.3

Prosentase Contoh

Tertahan (%)

Prosentase Komulatif

Tertahan (%)

ANALISA SARINGAN

(AGREGAT HALUS)

No. SaringanUkuran Saringan

(mm)

Berat Contoh

Tertahan (gram)



97.86 90-100

94.30 85-100

89.05 75-100

64.31 60-7916.32 12-40

4.00 0-10

0.00

Persen Lolos (%)Syarat Gradasi

Zone 3






11/2" 38 0.00 0.00 0.00

3/4" 19 37.70 1.51 1.51

3/8" 9.6 2168.40 86.68 88.19

No. 4 4.8 289.80 11.59 99.78

Pan 5.60 0.22 100.00

Jumlah 2501.50

Modulus Kehalusan: 6.89

ANALISA SARINGAN(AGREGAT KASAR)


(mm)

Berat Contoh

Tertahan (gram)

Prosentase Contoh

Tertahan (%)

Prosentase Komulatif

Tertahan (%)



100.00 100

98.49 90-100

11.81 40-70

0.22 0-15

0.00

Persen Lolos (%) % tembus






Pasir (%) Batu Pecah (%)

Pasir Batu Pecah 38 62

11/2" 37.5 100.00 100.00 37.91 62.09 100 -

3/4" 19 100.00 98.49 37.91 61.16 100 -

3/8" 9.5 100.00 11.81 37.91 7.33 45 -

No. 4 4.75 97.86 0.22 37.10 0.14 30 -

No. 8 2.36 94.30 35.75 0.00 23 -

No. 16 1.18 89.05 33.76 0.00 16 -

No. 30 0.6 64.31 24.38 0.00 9 -

No. 50 0.3 16.32 6.18 0.00 8 -

No. 100 0.15 4.00 1.51 0.00 0 -

Pan - - -

TABEL PERHITUNGAN PENGGABUNGAN AGREGAT

PENGGABUNGAN AGREGAT(AGREGAT HALUS DAN KASAR)

No. Saringan

Ukuran

Saringan

(mm)

Komulatif Lolos (%) Jenis AgregatSpesifika

Agg.

Ukuran Saringan

(mm)Y1 Y2 Ya Yb a1



37.5 100 100 100.00 100.00 0.00

19 100.00 100 100.00 98.49 100.00

9.5 45.00 75 100.00 11.81 37.64

4.75 30.00 48 97.86 0.22 30.50

2.36 23.00 42 94.30 24.39

1.18 16.00 34 89.05 17.97

0.6 9.00 27 64.31 14.00

0.3 8.00 12 16.32 49.03

0.15 0.00 2 4.00 0.00

-

4

3

4

7

5

0

10

7

4



100 100.00

100 99.06

75 45.24

48 37.24

42 35.75

34 33.76

27 24.38

12 6.18

2 1.51

PENENTUAN PROPORSI AGREGAT H

a1 a2 <0 0 10

i Uk. Maks.

20 mmGabungan

a2



0.00 0.00

100.00 100.00

37.64 71.65

30.50 48.93

24.39 44.54

17.97 38.18

14.00 41.99

49.03 73.55

0.00 50.06

Perhitungan:

Proporsi Pasir : (34.96

Proporsi BatuPecah:

.54

.18

.99

.55

.06

.00

0.00

.65

.93



ALUS DAN AGREGAT KASAR

20 30 40 50 60 70 80 90 100 >100



37.64 38.18

+ 40.51)/2 = 37.9 = 38 %

100 - 37.7 = 62.1 = 62 %






Pasir (%) Batu Pecah (%)

Pasir Batu Pecah 38 62

11/2" 38 100.00 100.00 38.00 62.00

3/4" 19 100.00 98.49 38.00 61.07

3/8" 9.6 100.00 11.81 38.00 7.32

No. 4 4.8 97.86 0.22 37.19 0.14

No. 8 2.4 94.30 0.00 35.84 0.00

No. 16 1.2 89.05 0.00 33.84 0.00

No. 30 0.6 64.31 0.00 24.44 0.00

No. 50 0.3 16.32 6.20 0.00

No. 100 0.15 4.00 1.52 0.00

Pan - - -

PENGGABUNGAN AGREGAT


(mm)

Komulatif Lolos (%) Jenis Agregat

0

10

20

30

40

50

60

7080

90

100

0.15 0.3 0.6 1.2 2.4 4.8 9.6 19 38

P e r s e n L o l o s S a r i n g a n ( % )

Ukuran Saringan (mm)

Gradasi Gabungan



100.00 100 - 100 0.15

99.07 100 100 0.3

45.32 45 75 0.6

37.33 30 - 48 1.2

35.84 23 - 42 2.4

33.84 16 - 34 4.8

24.44 9 - 27 9.6

6.20 8 - 12 19

1.52 0 - 2 38

Gabungan Spesifikasi

Batas atas

Batas bawah

Gradasi Gabungan



1.52 0 2

6.20 8 12

24.44 9 27

33.84 16 34

35.84 23 42

37.33 30 48

45.32 45 75

99.07 100 100

100.00 100 100

Gradasi Klp 2 oc

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