Tatap Muka Ke 6 Hkk 3

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1. Pek. Struktur Pekerjaan

Stn

1. Kolom

M3

2. Balok

M3

3. Ring Balok

M3

4. Plat

kg

Penunjang Struktur 1. Besi Tulangan

M3

2. Papan Begisting

M3

3. Kayu Perancah

M3

PERHITUNGAN KUANTITAS / VOLUME Pekerjaan 1.

Kolom

M3

Keterangan : 1.

Tentukan ketinggian kolom masing-masing type.

2.

Ketinggian kolom dihitung mulai sisi bawah sloof sampai sisi atas ring balok

V = pjg x lbr x tbl kolom V K1 ( untuk Lt 1, AS 1,2,5 & 6) = 4.1 x 2 bh x 4 as x 0.4 x 0.25 = 3.28 m3 V K2 ( untuk Lt 1, AS 1,2,5 & 6) = 4.1 x 1 bh x 4 as x 0.4 x 0.25 = 1.64 m3 V K3 ( untuk Lt 2, AS 1,2,5 & 6) = 3.7 x 3 bh x 4 as x 0.4 x 0.25 = 4.44 m3

V = pjg x lbr x tbl kolom V K1 ( untuk Lt 1, AS 3 & 4) = 4.1 x 3 bh x 2 as x 0.4 x 0.25 = 2.46 m3 V K2 ( untuk Lt 1, AS 3 & 4) = 4.1 x 1 bh x 2 as x 0.4 x 0.25 = 0.82 m3 V K3 ( untuk Lt 2, AS 3 & 4) = 3.7 x 4 bh x 2 as x 0.4 x 0.25 = 2.96 m3

1.

Besi Tulangan K 1

Besi Utama Kolom

Kg

Kg

K1 jumlah = 6 bh dia 19 Tinggi Kolom = 4.1 m Jml Kolom = 14 bh V = (14 x 6 x 4.1 x 19 x 19 x 0.074)/12 = 766.692 kg 0.20

Besi Pengikat / Begel

Kg

Tinggi Kolom = 4.1 m

0.35

Jml Kolom = 14 bh Jml Begel = (4.1 / 0.15)+ 1 = 28.3 ~ 28 bh Pjg Besi Begel = (0.2 x 2)+(0.35 x 2)+(2 x 4 x 0.008) = 1.164 m V = (14 x 28 x 1.164 x 8 x 8 x 0.074)/12 = 180.08 kg

2.

Besi Tulangan K 2

Besi Utama Kolom

Kg

Kg

K2 jumlah = 8 bh dia 19 Tinggi Kolom = 4.1 m Jml Kolom = 6 bh V = (6 x 8 x 4.1 x 19 x 19 x 0.074)/12 = 438.11 kg

Besi Pengikat / Begel

Kg

0.20

Tinggi Kolom = 4.1 m

0.35

Jml Kolom = 6 bh Jml Begel = (4.1 / 0.15)+ 1 = 28.3 ~ 28 bh Pjg Besi Begel = (0.2 x 2)+(0.35 x 2)+(2 x 4 x 0.008) = 1.164 m

0.20

V = (6 x 28 x 1.164 x 8 x 8 x 0.074)/12 = 77.18 kg

Besi Pengikat / Begel 3.

Besi Tulangan K 3

Besi Utama Kolom

Kg

Kg

Kg 0.35

Tinggi Kolom = 3.7 m Jml Kolom = 20 bh Jml Begel = (3.7 / 0.15)+ 1 = 25.66 ~ 26 bh

K3 jumlah = 4 bh dia 19

Pjg Besi Begel = (0.2 x 2)+(0.35 x 2)+(2 x 4 x 0.008) = 1.164 m

Tinggi Kolom = 3.7 m

V = (20 x 26 x 1.164 x 8 x 8 x 0.074)/12 = 238.88 kg

Jml Kolom = 20 bh V = (4 x 20 x 3.7 x 19 x 19 x 0.074)/12 =658.95 kg

0. 25

2. PEK. PAPAN BEGISTING/MALL A. Papan mall kolom K1 & K2

0.40

M3

V = Pjg x lbr papan x tebal papan x Jml Kolom Jml Kolom = 20 Bh

0.5 m

3m

Tebal Papan = 0.025 m

4.1m

V = (0.4 x 2)+(0.25 x 2) 4.1m x 0.025 x 20 = 2.665 M3 Maksimum pemakaian 3 x = 2.665/3 = 0.88 M3

Kayu 5 x 7 perancah kolom

M3

V = Pjg x lbr kayu x tebal kayu x Jml Kolom Jml Kolom = 20 Bh Panjang Kayu = (3 x 4) + (7 x (0.25+0.25+0.4+0.4) = 21.1 m 0. 25

V = 21.1m x 20 x 0.05 x 0.07 = 1.477 M3, Maksimum pemakaian 3 x = 1.477/3 = 0.492 M3 A. Papan mall kolom K3

0.40

M3

Jml Kolom = 20 Bh Tebal Papan = 0.025 cm

2.8 m

V = (0.4 x 2)+(0.25 x 2) 3.7m x 0.025 x 20 = 2.405 M3 Maksimum pemakaian 3 x = 2.405/3 = 0.802 M3

Kayu 5 x 7 perancah kolom

M3

Jml Kolom = 20 Bh Panjang Kayu = (2.8 x 4) + (7 x (0.25+0.25+0.4+0.4) = 20.3 m V = 20.3m x 20 x 0.05 x 0.07 = 1.421 M3, untuk pemakaian 3 x = 1.477/3 = 0.474 M3

0.5 m 3.7 m

PERHITUNGAN BALOK DAN PLAT

2.

Balok

M3

Keterangan : 1.

Tentukan dimensi balok masing-masing type.

2.

Panjang balok dihitung antara sisi-sisi dalam kolom

V = pjg x lbr x tbl balok a. Balok type A 30 x 20, (pada As B,C & D) Panjang Balaok = (3.5 – 0.25) = 3.25 m Jml Balok = 5 bh x 3 bh As = 15 bh V = 3.25m x 15 bh x 0.3 x 0.2 = 2.925 m3 b. Balok type A2 15 x 25 (ring balok) Panjang Balok = (3.5 – 0.25) = 3.25 m Jml Balok = 5 bh x 3 bh As = 15 bh V = 3.25 m x 15 bh x 0.15 x 0.25 = 1.828

2.

Kg

Besi Tulangan balok A

Besi Utama balok A

Kg

Jumlah besi = 1/4 bentangan 5 bh dia 16 dan 2 dia 10 = 2/4 bentangan 4 bh dia 16 dan 2 dia 10 Panjang Balok = 3.5 m Jml balok = 15 bh V1 = (5 x (3.5/4) x 2 x 15 x 16 x 16 x 0.074)/12 = 207,2 kg V2 = (4 x (3.5/2 x 15 x 16 x 16 x 0.074)/12

= 165,76 kg

V3 = (2 x 3.5 x 15 x 10 x 10 x 0.074)/12

= 64,75 kg

Total = 437,71 kg

0.15

Besi Pengikat / Begel

Kg 0.25

Panjang Balok = (3.5-0.25) = 3.25 m Jml balok = 15 bh Jml Begel = ((3.25/4) x 2)) / 0.15)+1 tumpuan, (3.25/2) / 0.2)+1lapangan = 21bh Pjg Besi Begel = (0.25 x 2)+(0.15 x 2)+(2 x 4 x 0.008) = 0.864 m V = (15 x 21 x 0.864 x 8 x 8 x 0.074)/12 = 107,41 kg

2.

Kg

Besi Tulangan balok A2

Jumlah besi = 1/4 bentangan 5 bh dia 16 dan 2 dia 10 = 2/4 bentangan 4 bh dia 16 dan 2 dia 10 Panjang Balok = 3.5 m Jml balok = 15 bh V1 = (7 x (3.5/4) x 2 x 15 x 16 x 16 x 0.074)/12 = 290,08 kg V2 = (6 x (3.5/2 x 15 x 16 x 16 x 0.074)/12

= 248,64 kg

V3 = (2 x 3.5 x 15 x 10 x 10 x 0.074)/12

= 64,75 kg

Total = 603,47 kg

0.10

Besi Pengikat / Begel

Kg 0.20

Panjang Balok = (3.5-0.25) = 3.25 m Jml balok = 15 bh Jml Begel = (3.25/0.2)+1 tumpuan, (3.25/0.25)+1lapangan = 16 bh Pjg Besi Begel = (0.2 x 2)+(0.1 x 2)+(2 x 4 x 0.008) = 0.664 m V = (15 x 16 x 0.664 x 8 x 8 x 0.074)/12 = 62,89 kg

2. PEK. PAPAN BEGISTING/MALL A. Papan mall balok A 20 x 30

M3

V = Pjg x lbr papan x tebal papan x pjg balok

75 cm

75 cm

75 cm

Panjang balok A untuk as B,C dan D = (3.5 – 0.25) = 3.25 m Jml Balok = 5 bh x 3 bh As = 15 bh Tebal Papan = 0.025 m V = (0.3 x 2)+(0.25) 3.25 x 15 x 0.025 = 1,04 M3 20 cm

Kayu 5 x 7 perancah balok

M3

1.

Tentukan panjang kayu

2.

Tentukan jumlah perancah sepanjang kolom

Papan Cor 3 x 25

30 cm

40 cm 30 cm

V = Pjg x lbr kayu x tebal kayu x jml perancah Panjang Kayu = (3 + 0.3 + 0.3 + 0.4) = 4 m Jumlah perancah = (3.25 x 15) / 0.75 = 65 bh Volume = 4 x 65 x 0.05 x 0.75 = 0.91 m3

300 cm Kayu 5/7

Pek. Plat

M3

Keterangan : Beton plat dihitung sesuai ukuran bersih setelah dikurangi balok dan kolom

1. BETON PLAT V = pjg x lbr x tbl balok a. Luas Lanatai = (17.5 x 8.5) + (3.3 X 2.7) = 157.66 m2 b. Luas Balok = (4.15 x 12x 0.35)+(3.325 x 15 x 0.3)+ (23.875 x 0.15) = 35.974 m2 c. Luas Kolom = 20 x 0.25 x 0.4 = 2 m2 Tebal plat 12 cm V = (157.66 m2) – (35.974 m2 + 2 m2) x 0.12 = 14.362 m3

Kg

2.

Besi Tulangan balok A

1.

Tentukan dulu panjang besi

2.

Tentukan jumlah besi untuk masing -masing arah sesuai gambar

3.

Ambil perhitungan untuk satu trafe plat lantai

2.

Besi Tulangan balok A

1.

Tentukan dulu panjang besi

Kg

Arah x1 = (4,25 – 0.03 selimut beton)+(4 x 0.01 bengkokan) = 4,26 m

4,25 0.04 Arah x2 = (4,25 – 0.03)/4 bentangan) x 2bh + (4 x 0.01 bengkokan) = 2,15

2,11

Y 0.04

Arah y1 = (3 – 0.03 selimut beton)+(4 x 0.01 bengkokan) = 3.01 m

2,97 0.04 Arah y2 = (3 – 0.03)/4 bentangan) x 2bh + (4 x 0.01 bengkokan) = 1,525 m

1,485

1.

Tentukan jumlah besi

Volume Arah x1 = (4.26 x 7,66 x 10 x 10 x 0.074)/12 = 20,12 kg

0.04 1.

X

Tentukan jumlah besi

Arah x1 = dia 10 – 15 = (1/ 0.15) + 1 = 7,66 bh Arah x2 = dia 10 – 15 = (1/ 0.15) + 1 = 7,66 bh Arah y1 = dia 10 – 15 = (1/ 0.15) + 1 = 7,66 bh Arah y2 = dia 10 – 15 = (1/ 0.15) + 1 = 7,66 bh

Volume Arah x2 = (2.15 x 7,66 x 10 x 10 x 0.074)/12 = 10,16 kg Volume Arah y1 = (2.97 x 7,66 x 10 x 10 x 0.074)/12 = 14,03 kg Volume Arah y2 = (1,525 x 7,66 x 10 x 10 x 0.074)/12 = 7.20 kg Total besi = 51,51 kg Jumlah Trafe Plat yg sama = 10 bh Volume semua plat = 10 x 51,51 = 515,1 kg

2. PEK. PAPAN BEGISTING/MALL A. Papan mall balok A 20 x 30

50 cm

M3

V = Pjg plat x lbr plat x tebal papan (jika pakai papan) Luas Lanatai = (17.5 x 8.5) + (3.3 X 2.7) = 157.66 m2 b. Luas Balok = (4.15 x 12x 0.35)+(3.325 x 15 x 0.3)+ (23.875 x 0.15) = 35.974 m2 c. Luas Kolom = 20 x 0.25 x 0.4 = 2 m2 Volume = (157,66 – 35,97 – 2) x 0.025 = 2,99 m3 Kayu 5 x 7 perancah Plat

M3

1.

Tentukan panjang kayu

2.

Tentukan jumlah perancah dalam 1 m2

1m 50 cm

1m Papan Cor 3 x 25

60 cm 50 cm

V = Pjg x lbr kayu x tebal kayu x jml perancah Panjang Kayu = (3 + 0.6 + 0.5 + 0.5) = 4,6 m Jumlah perancah per 1 m2 = 8 bh Luas plat = (157,66 – 35,97 – 2) = 119,69 m2 Total jumlah perancah = 199,69 x 8 = 957,52 bh Volume kayu perancah = 4,6 x 957,52 x 0.05 x 0.75 = 15,42 m3 Total keseluruhan = 15,42 – 2,99 (perancah balok) = 12.43

300 cm Kayu 5/7

1. Pek. Tangga Pekerjaan

Stn

1. Beton Plat Tangga

M3

2. Beton Injakan Tangga

M3

3. Beton Plat Bordes

M3

4. Balok Tangga

M3

5. Pembesian Tangga

kg

6. Keramik Tangga

M2

7. Railing Tangga

M1

8. Cat Railing Tangga

M2

9. Cat Beton Tangga

M2

Pekerjaan

Stn

1. Beton Plat Tangga

M3

Perhitungan : 1. BETON PLAT TANGGA V = pjg x lbr x tbl Plat a. Panjang Plat = 2.2 + 1.2 + 1.6 = 5 m b. Lebar Plat

= 0.9 m2

c. Tebal Plat

= 0.12 cm

V = 5 x 0.9 x 0.12 = 0.54 M3

2. Beton Injakan Tangga

M3

Perhitungan : 1. BETON PLAT INJAKAN TANGGA V = pjg x lbr x tbl Plat 30 cm

a. Panjang Plat = 0.9 m b. Lebar Plat

= 0.3 m

c. Tebal Plat

= 0.2 m

20 cm

Catatan : Untuk Beton Plat Injakan Hitung Jumlah Anak Tangga dan Untuk Luas Penampang di pakai Rumus segit tiga V = 0.9 x 0.3 x 0.2 x 0.5 x 12 = 0.324 M3

3. Beton Plat Bordes

M3

Perhitungan : 1. BETON PLAT BORDES V = pjg x lbr x tbl Plat a. Panjang Plat = 0.9 + 0.9 = 1.8 m b. Lebar Plat

= 0.9 m

c. Tebal Plat

= 0.12 cm

V = 1.8 X 0.9 X 0.12 = 0.194 M3

4. Balok Tangga

M3

Perhitungan : 1. BETON PLAT BORDES V = pjg x lbr x tbl balok a. Panjang Balok = 0.9 + 0.9 = 1.8 m b. Lebar Balok c. Tebal Balok

= 0.15 m = 0.4 cm

V = 1.8 X 0.15 X 0.4 = 0.108 M3

5. Pembesian Tangga

kg

Perhitungan : 1. Besi dia 16 Plat Tangga a. Jml Besi Plat Dia 16 = (0.9 / 0.175)+1 = 6 bh b. Pjg Besi dia 16

= (2.2 + 1.6 + 1.2) + (6 x 4 x dia 16) = 5.384 m

V = 6 x 5.384 x 2 lapis x Rumus besi = 101.99 kg 2. Besi dia 8 Plat Tangga a. Jml Besi dia 8 = (2.2 / 0.125)+1) + (1.6 / 0.125)+1) + (1.2 / 0.125)+1) = 49 bh b. Pjg Besi dia 12 = (0.85 ) + (2 x 4 x dia 8) = 0.914 m V = 49 x 0.914 x Rumus Besi = 17.676 kg

5. Pembesian Injakan Tangga

kg

Perhitungan : 1. Besi dia 16 Plat Injakan Tangga a. Jml Besi Plat Dia 16 = (0.9 / 0.1)+1 = 10 bh x jml injakan (12) = 120 bh b. Pjg Besi dia 16

= (0.2715 + 0.40125) + (2 x 4 x dia 16) = 0.801 m

V = 120 x 0.801 x Rumus besi = 151.74 kg 2. Besi dia 8 Plat Injakan Tangga a. Jml Besi dia 8 = 4 x 12 bh injakan = 48 bh b.Pjg Besi dia 12 = (0.85 ) + (2 x 4 x dia 8) = 0.914 m V = 48 x 0.914 x Rumus Besi = 17.315 kg

5. Pembesian Plat Bordes

kg

Perhitungan : 1. Besi dia 16 Plat Bordes a. Jml Besi Plat Dia 16 = (0.9 / 0.175) +1 = 6 bh b. Pjg Besi dia 16

= (0.85 ) + (2 x 4 x dia 16) = 0.978 m

V = 6 x 0.978 x 2 lapis x 2 bordes x Rumus besi = 37.055 kg 2. Besi dia 8 Plat Bordes a. Jml Besi dia 8 = (0.9 / 0.125)+1 = 8 bh b.Pjg Besi dia 12 = (0.85 ) + (2 x 4 x dia 8) = 0.914 m V = 8 x 0.914 x 2 lapis x 2 bordes x Rumus Besi = 11.543 kg

6. Keramik Tangga

M2

30 cm 20 cm

Perhitungan : 1. Keramik Anak Tangga

2. Keramik Bordes

a. Pjg Anak Tangga = 0.9 m

a. Lbr Borde = 0.9 m

b. Lbr Anak Tangga = 0.2 + 0.3 = 0.5 m

b.Pjg Bordes = 0.9 m

c. Jml Anak Tangga = 12 Bh

c. Jml Bordes = 2 bh

V = 0.9 x 0.5 x 12 = 5.4 M2

V = 0.9 x 0.9 x 2 = 1.62 M2

90 cm

7.

Railing Tangga

M1

Perhitungan : 1. Tiang Railling pipa dia 2”

8.

Cat Railing Tangga

V = 0.8 x 6 = 4.8 M1

Perhitungan :

2. Railling Tangga pipa dia 2”

1. Cat Tiang Railling pipa dia 2”

V = (1.6 + 2.2 + 1.2 ) x 2 = 10 M1

V = 0.8 x 6 x 0.157 (pjg keliling pipa 2”)= 0.754 M2

3. Pipa ¾” Railling Tangga

2. Cat Railling Tangga pipa dia 2”

V = (5 / 0.1 ) x 0.45 = 22.5 M1

V = (1.6 + 2.2 + 1.2 ) x 2 x 0.157 = 1.57 M2

4. Angkur Dinabol Tiang = 4 x 6 = 24 Bh

3. Cat Pipa ¾” Railling Tangga

5. Plat 15 cm, t 5 mm tiang = 6 Bh

V = (5 / 0.1 ) x 0.45 x 0.059 = 1.3275 M2

M2

9.

Cat Beton Tangga

M2

Perhitungan : 1. Cat Plat Tangga V1(samping) = (2.2 + 1.6 + 1.2 ) x 0.12 x 2 = 1.2 M2 V2 (Bawah) = (0.9 x (2.2 + 1.6 + 1.2)

= 4.5 M2

Total ------------------------------------------------- = 5.7 M2 2. Cat Injakan Tangga V = (12 x 0.3 x 0.2 x 0.9 x 0.5 x 2 ) = 0.648 M2 3. Cat Plat Bordes V = (0.9 x 0.9 x 2) = 1.62 M2

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