Tubes Tekton.xlsx

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TEKNOLOGI BETON I 1A D4

MATA KULIAH : TUGAS : KELAS :

1. Kadar air dan kadar lumpur agregat kasar dan agregat halus a. agregat kasar uraian I berat contoh mula-mula berat contoh kering oven berat kering telah dicuci

satuan

contoh II

1518.9 1450.9 1447

1517.8 1459.6 1447.6

gram gram gram

b. agregat halus contoh

uraian

I

berat contoh kering awal berat contoh kering oven berat contoh kering telah dicuci

1436 1408.8 1378.7

hitung :

a. kadar air rata-rata b.kadar lumpur

penyelesaian : a. kadar air rata-rata kadar air = (w1-w2)/w2 x 100% w= kadar air (100%) w1 =berat contoh kering mula-mula w2= berat contoh kering oven

satuan II

1437.6 1418.9 1370.7

gram gram gram

untuk agregat kasar contoh I w =(w1-w2)/w2 x 100%

contoh II w =(w1-w2)/w2 x 100%

w = (1518.9-1450.9)/1450.9 x 100% = 4.6867461576 % w = (1517.8-1459.6)/1459.6 x 100% = 3.9873938065 % = (kadar air cnth I + kadar air cnth II)/ 2 = (4.687 % + 3.987 %)/2 = 4.337069982 %

kadar air rata-rata ag.kasar

untuk agregat halus contoh I w =(w1-w2)/w2 x 100%

contoh II w =(w1-w2)/w2 x 100%

kadar air rata-rata ag.halus

w = (1436-1408.8)/1408.8 x 100% % = 1.9307211811

w = (1437.6-1418.9)/1418.9 X 100% % = 1.3179223342 wr = (kadar air cnth I + kadar air cnth II)/ 2 = (1.93% + 1.32 %)/2 % = 1.6243217577

b.kadar lumpur kadar lumpur= (w1-w2)/w2 x 100% w1= berat kering oven w2= berat kering oven yang telah dicuci untuk agregat kasar contoh I w =(w1-w2)/w2 x 100%

w = (1450.9-1447)/1447 x100%

= 0.2695231513

%

contoh II w =(w1-w2)/w2 x 100%

Kadar lumpur rata2 ag.kasar

untuk agregat halus contoh I w =(w1-w2)/w2 x 100%

contoh II w =(w1-w2)/w2 x 100%

Kadar lumpur rata2 ag.halus

w = (1459.6-1447.6)/1447.6 x 100% = 0.8289582758 % wl = (kadar lumpur contoh I + kadar lumpur contoh II)/ 2 X 100% = (0.269+0.828)/2 % = 0.5492407136 %

w = (1408.8-1378.7)/1378.7 x 100% = 2.1832160731 %

w = (1418.9-1370.7)/1370.7 x 100% = 3.5164514482 % wl = (kadar lumpur contoh I + kadar lumpur contoh II)/ 2 X 100% = (2.183+3.516)/2 % = 2.8498337606 %

2. hitung keausan agregat kasar sbb: Saringan lolos 1 1/2'' 1'' 3/4'' 1/2''

Sebelum (A) (gram)

tertahan 1'' 3/4'' 1/2'' 3/8'' ∑A ∑B keausan = =

1267.2 1268.1 1268.2 1267.4 5070.9 3691.9

sesudah (B) (gram)

3691.9

(∑A-∑B)/∑A (5070.9-3691.9)/5070.9 X 100 % 27.19438364 %

3. Hitung berat volume a. Agregat Kasar/batu pecah dan tinggi = 30.7

diameter wadah = 30.2 cm

Lepas

Uraian I 5.117 15.617 10.517

Berat wadah (Kg)/ W1 Berat wadah + contoh (Kg)/W2 Berat contoh (Kg)/W3 volume (V)

= = = =

1/4 𝜋𝑑^2 � 1/4 x 3.14 x( 30.2)^2 x 30.7 21979.70798 cm3 21.97970798 liter

Padat II 5.117 16.467 10.417

I 5.117 16.467 11.367

II 5.117 16.517 11.417 0.017

= = =

W3 / V (10.517/21.98) 0.4784867938

kg/lter

= = =

W3 / V (10.417/21.98) 0.4739371428

kg/lter

Berat Volume rata-rata lepas

= =

(Berat volume lepas I + Berat volume lepas II) / 2 0.4762119683 kg/lter

berat volume padat Berat volume Padat I

= W3 / V

berat volume lepas Berat volume lepas I

Berat Volume lepas II

= = =

W3 / V (11.367/21.98 0.5171588271

kg/lter

= = =

W3 / V (11.417/21.98) 0.5194336526

kg/lter

Berat Volume rata-rata Padat

= =

(Berat volume Padat I + Berat volume Padat II) / 2 0.5182962399 kg/lter

Berat isi rata-rata ag.kasar

= =

( Berat isi rata-rata lepas + berat isi rata-rata padat ) / 2 0.4972541041 kg/liter

Berat Volume Pdat II

b. Agregat halus/pasir dan tinggi = 15.5

diameter wadah = 15.2 cm Uraian

Lepas I 3.217 7.367 4.217

Berat wadah (Kg) (W1) Berat wadah + contoh (Kg) (w2) Berat contoh (Kg) (w3) Volume (V)

=

1/4 𝜋𝑑^2 �

Padat II 3.217 7.417 4.217

= =

2811.1792 2.8111792

cm3 liter

= = =

W3 / V (4.217/2.811) 1.5000822431

kg/lter

= = =

W3 / V (4.217/2.811) 1.5000822431

kg/lter

Berat Volume rata-rata lepas

= =

(Berat volume lepas I + Berat volume lepas II) / 2 1.5000822431 kg/lter

berat volume padat Berat volume Padat I

= W3 / V

berat volume lepas Berat volume lepas I

Berat Volume lepas II

Berat Volume Pdat II

= = =

W3 / V 4.267/2.811) 1.5178683735

= =

W3 / V (4.317/2.811)

kg/lter

I 3.217 7.467 4.267

II 3.217 7.517 4.317

=

1.535654504

kg/lter

Berat Volume rata-rata Padat

= =

(Berat volume Padat I + Berat volume Padat II) / 2 1.5267614388 kg/lter

Berat isi rata-rata ag.Halus

= =

( Berat isi rata-rata lepas + berat isi rata-rata padat ) / 2 1.5134218409 kg/liter

4. Kadar Organik NO.CONTOH

NO

URAIAN

A

WARNA CONTOH

I

II

Mendekati No. 2

Mendekati No.2

Dri data hasil pengujian diatas dapat disimpulkan bahwa agregat halus yang diuji memiliki kadar zat organik yang rendah karena mendekati No.2 pada tabel warna pembanding sehingga agreat dapt digunkan untuk campuran beton mutu tinggi atau normal.

5. Berat Jenis dan Penyerapan a. Agregat kasar URAIAN Berat contoh Jenuh (SSD) Bj Berat contoh jenuh dalam air Ba Berat contoh kering oven Bk

CONTOH (gr) I 2517.2 1571.1 2480.1

II 2518.5 1572.9 2478

a.berat jenis a.1. berat jenis kering a.1.1.berat jenis kering contoh I

a.1.2.berat jenis kering contoh II

= = =

bk/(bj-ba) bk/(bj-ba) 2480.1/(2517.2-1571.1) 2.6213930874 bk/(bj-ba) 2478/(2518.5-1572.9) 2.6205583756

a.2.berat jenis semu a.2.1.berat jenis semu contoh I

= = = = = = =

bk/(bk-ba) bk/(bk-ba) 2480.1/(2480.1-1571.1) 2.7283828383 bk/(bk-ba) 2478/(2478-1572.9) 2.7378190255

= = = = = = =

bj/(bj-ba) bj/(bj-ba) 2517.2/(2517.2-1571.1) 2.6606067012 bj/(bj-ba) 2518.5/(2518.5-1572.9) 2.6633883249

Berat jenis SSD rata-rata Ag.Kasar

= =

(Berat jenis SSD contoh I + berat jenis SSD contoh II)/2 2.661997513

b.penyerapan b.1.penyerapan contoh I

= = = =

(bj-bk)/bk x 100% (bj-bk)/bk x 100% (2517.2-2480.1)/2480.1 X 100% 1.4959074231 %

a.2.2.berat jenis semu contoh II

a.3.berat jenis SSD a.3.1.berat jenis SSD contoh I

a.3.2.berat jenis SSD contoh II

= = =

b.2.penyerapan contoh II

= = =

(bj-bk)/bk x 100% (2518.5-2478)/2478 X 100% 1.6343825666 %

b.Agregat halus CONTOH (gr)

URAIAN

I 517 1029.1 725.8 502.4

Berat contoh Jenuh (SSD) Bj Berat contoh +pikno + air Bt Berat pikno + air B Berat contoh kering oven Bk a. berat jenis a.1.berat jenis kering a.1.1.berat jenis kering contoh I

a.1.2.berat jenis kering contoh II

a.2.berat jenis SSD a.2.1.berat jenis SSD contoh I

a.2.2.berat jenis SSD contoh II

Berat jenis SSD rata-rata Ag.halus

II 517 1028.2 726.2 505.3

= = = = = = =

Bk/(B+Bj-Bt) Bk/(B+Bj-Bt) 502.4/(725.8+517-1029.1) 2.3509592887 Bk/(B+Bj-Bt) 505.3/(726.2+517-1028.2) 2.3502325581

= = = = = = = = =

Bj/(B+Bj-Bt) Bj/(B+Bj-Bt) 517/(725.8+517-1029.1) 2.3397285915 Bj/(B+Bj-Bt) 517/(726.2+517+1028.2) 2.4046511628 (Berat jenis SSD contoh I + berat jenis SSD contoh II)/2 2.3721898771

a.3.berat jenis semu a.3.1.berat jenis semu contoh I

a.3.2.berat jenis semu contoh II

b.penyerapan b.1.penyerapan contoh I

b.2.penyerapan contoh II

= = = = = = =

Bk/(B+Bk-Bt) Bk/(B+Bk-Bt) 502.4/(725.8+502.4-1029.1) 2.5233550979 Bk/(B+Bk-Bt) 505.3/(726.2+505.3-1028.2) 2.4854894245

= = = = = = =

(Bj-bk)/bk x 100% (Bj-bk)/bk x 100% (500-502.4)/502.4 x 100% 2.9060509554 % (Bj-bk)/bk x 100% (500-505.3)/505.3 x 100% 2.3154561647 %

6. Analisa saringan Jenis agregat ukuran saringan (mm) 1 1/2'' 1'' 3/4'' 1/2'' 3/8'' No.4 No.8 No.16 No.30 No.50 No.100

Bt.pch 2-3 Berat tertahan (gram) 0 1228.5 1015.2 757.9 247.8 0 0 0 0 0 0

Bt.pch 1-2 Berat tertahan (gram)

agregat halus Berat tertahan (gram)

0 140.6 695.9 581.7 251.6 0

0 0 0 71.4 155.2 211.4 308.3 196.4 560.4 215.4

38.2

pan

51.5

93.7

Hitung : 1. % lolos komulatif 2. modulus kehalusan 3. zone agregat halus 4. ukuran butir maksimum 5. hitung penggabungan agregat untuk mutu beton K 350 untuk batu pecah 2-3 Jenis agregat

Bt.pch 2-3 Berat tertahan (gram) 0 1228.5 1015.2 757.9 247.8 0 0 0 0 0 0 38.2 3287.6

ukuran saringan (mm) 1 1/2'' 1'' 3/4'' 1/2'' 3/8'' No.4 No.8 No.16 No.30 No.50 No.100 pan jumlah

% komulatif % tertahan 0 37.3676846332 30.8796690595 23.0532911546 7.5374133106 0 0 0 0 0 0 1.1619418421 100

tertahan 0 37.368 68.247 91.301 98.838 98.838 98.838 98.838 98.838 98.838 98.838 100 888.782

% tertahan =

=

(berat tertahan/jumlah berat tertahan keseluruhan) x 100%

% tertahan komulatif

=

%tertahan komulatif sebelum + %tertahan

lolos 100 62.6323153668 31.7526463073 8.6993551527 1.1619418421

0

% lolos komulatif

=

%lolos komulatif sebelum - % komulatif tertahan

modulus kehalusan

= = =

jumlah keseluruhan % tertahan komulatif/100 888.78/100 8.8878209028

Ukuran butir maksimum

= =

saringan yang lolos 100% yaitu saringan uk.1 1/2'' 38.1 mm

untuk batu pecah 1-2 Jenis agregat

Bt.pch 1-2 Berat tertahan (gram) 0 0 140.6 695.9 581.7 251.6 0

ukuran saringan (mm) 1 1/2'' 1'' 3/4'' 1/2'' 3/8'' No.4 No.8 No.16 No.30 No.50 No.100 pan jumlah

51.5 1721.3

% komulatif % Tertahan 0 0 8.1682449312 40.4287457154 33.7942252948 14.6168593505

2.9919247081 100

tertahan 0 0 8.1682449312 48.5969906466 82.3912159414 97.0080752919 97.0080752919 97.0080752919 97.0080752919 97.0080752919 97.0080752919 100 721.2049032708

% tertahan =

=

(berat tertahan/jumlah berat tertahan keseluruhan) x 100%

% tertahan komulatif

=

%tertahan komulatif sebelum + %tertahan

lolos 100 100 91.8317550688 51.4030093534 17.6087840586 2.9919247081

0

% lolos komulatif

=

%lolos komulatif sebelum - % komulatif tertahan

modulus kehalusan

= = =

jumlah keseluruhan % tertahan komulatif/100 721.21/100 7.2120490327

ukuran butir maksimum

= =

saringan yang lolos 100% yaitu saringan uk.1'' 25.4 mm

Untuk agregat Halus Jenis agregat

agregat halus Berat tertahan (gram) 0 0 0 0 71.4 155.2 211.4 308.3 196.4 560.4 215.4 93.7 1812.2

ukuran saringan (mm) 1 1/2'' 1'' 3/4'' 1/2'' 3/8'' No.4 No.8 No.16 No.30 No.50 No.100 pan jumlah

% komulatif % tertahan 0 0 0 0 3.9399624765 8.5641761395 11.6653790972 17.0124710297 10.8376558879 30.9237391016 11.8861052864 5.1705109811 100

tertahan 0 0 0 0 3.9399624765 12.504138616 24.1695177133 41.181988743 52.0196446308 82.9433837325 94.8294890189 100 311.588124931

% tertahan =

=

(berat tertahan/jumlah berat tertahan keseluruhan) x 100%

% tertahan komulatif

=

%tertahan komulatif sebelum + %tertahan

lolos 100 100 100 100 96.0600375235 87.495861384 75.8304822867 58.818011257 47.9803553692 17.0566162675 5.1705109811 0

zone 2 100 90-100 75-100 55-90 35-59 8 - 30 0-10

% lolos komulatif

=

%lolos komulatif sebelum - % komulatif tertahan

modulus kehalusan

= = =

jumlah keseluruhan % tertahan komulatif/100 311.588/100 3.1158812493

Zone Agregat halus

=

termasuk Zone 2

Penggabungan agregat untuk mutu beton K 350 Jenis agregat

1 1/2'' 1'' 3/4'' 1/2'' 3/8'' No.4 No.8 No.16 No.30 No.50 No.100 pan

Bt.pecah 2-3

Bt.pecah 1-2

100 62.6323153668 31.7526463073 8.6993551527 1.1619418421 0 0 0 0 0 0 0

100 100 91.8317550688 51.4030093534 17.6087840586 2.9919247081 0 0 0 0 0 0

Ag.halus 100 100 100 100 96.0600375235 87.495861384 75.8304822867 58.818011257 47.9803553692 17.0566162675 5.1705109811 0

Perbandingan Agregat Bt.Pecah 2-3 Bt.Pecah 1-2 30% 34% 30 34 18.78969461 34 9.5257938922 31.22279672 2.6098065458 17.47702318 0.3485825526 5.98698658 0 1.017254401 0 0 0 0 0 0 0 0 0 0 0 0

UKURAN MAKS . 40 MM 120 100 (%)

ukuran saringan (mm)

% lolos komulatif

80

UKURAN MAKS . 40 MM 120

persentase lolos (%)

100 80 60 40 20 0 11

10

9

8

7

6

5

4

3

2

1

ingan Agregat Ag.halus 36%

Total

36 36 36 36 34.581613508 31.498510098 27.298973623 21.174484053 17.272927933 6.1403818563 1.8613839532 0

100 88.7896946 76.7485906 56.0868297 40.9171826 32.5157645 27.2989736 21.1744841 17.2729279 6.14038186 1.86138395 0

y1

y2 100 80 50 40 36 24 18 12 7 3 0

100 90 70 65 60 47 38 30 23 15 5

4

3

2

1

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