studi perbandingan pelat konventional, ribslab dan...
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STUDI PERBANDINGAN PELAT KONVENTIONAL, RIBSLAB DAN FLATSLAB
BERDASARKAN BIAYA KONSTRUKSI
TUGAS AKHIR RC-09 1380
Tugas Akhir Denny Ervianto / 3108100031
Denny Ervianto 3108100031
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PENDAHULUAN
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PENDAHULUAN
Tugas Akhir Denny Ervianto / 3108100031
Material menghabiskan > ½ biaya proyek
60 % material konstruksi adalah beton
Efisiensi material (beton bertulang)
Penghematan
Sistem Struktur Pelat
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PENDAHULUAN
Tugas Akhir Denny Ervianto / 3108100031
4 Tipe Pelat
Pelat Konvensional
Flatslab
Ribslab
Flatslab dengan balok semu
• 14 mm • 15 mm • 16 mm
• 17 mm • 20 mm • 23 mm • 26 mm
• 10 mm • 11 mm • 12 mm
• 17 mm • 20 mm • 23 mm • 26 mm
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TUJUAN PENELITIAN
Tugas Akhir Denny Ervianto / 3108100031
Mendapatkan ketebalan optimum •pelat konventional, •Ribslab •flatslab •flatslab dengan balok semu
Mengetahui perbandingan biaya total keempat sistem pelat tersebut.
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BATASAN MASALAH
Tugas Akhir Denny Ervianto / 3108100031
Tidak mempertimbangkan gempa.
Tidak mempertimbangkan biaya tak langsung.
Perhitungan biaya menggunakan HSPK
Hanya memperhitungkan struktur utama (pelat, balok, kolom, drop panel, dan balok anak)
Tidak mempertimbangkan perbedaan waktu pelaksanaan.
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TINJAUAN PUSTAKA
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TINJAUAN PUSTAKA
Tugas Akhir Denny Ervianto / 3108100031
Pelat Konvensional
Pelat
Balok
Kolom
Alur Pembebanan
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TINJAUAN PUSTAKA
Tugas Akhir Denny Ervianto / 3108100031
Flat Slab
Pelat
Drop Panel
Kolom
Alur Pembebanan
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TINJAUAN PUSTAKA
Tugas Akhir Denny Ervianto / 3108100031
Rib Slab
Pelat
Rib
Balok Induk
Alur Pembebanan
Kolom
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TINJAUAN PUSTAKA
Tugas Akhir Denny Ervianto / 3108100031
Flat Slab dengan Balok Semu
Pelat
Rib
Balok Induk
Alur Pembebanan
Kolom
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ANALISA STRUKTUR
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DATA
Tugas Akhir Denny Ervianto / 3108100031
Tipe bangunan : Perpustakaan (6 lantai) Panjang bangunan : 16 m Lebar bangunan : 16 m Tinggi plafond : 4 m Mutu beton (f’c) : 31.2 Mpa Mutu tulangan (fy) : 400 Mpa Mutu sengkang (fy) : 300 Mpa Zona gempa : (tidak diperhitungkan)
40046
0
60
600 600
1200
2760
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
600
600
600 600
1600
1600
60
60
KolomBalok
Balok
30
30
200
200
200
200
Balok
Detil A
400
600 6001600
50
1410
460
Pelat
BalokKolom
Spasi plafon
200 200
60
Detil B
Pelat : lapangan tumpuan Balok : lentur tumpuan lentur lapangan geser
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
600
600
600 600
1200
1200
200
200
200
200
60
60
200
200
Pelat
Kolom
Drop panel
Balok semuDrop panel
Kolom
Detil F
400
600 6001200
1710
10
437
Drop Panel
Kolom
Pelat
Spasi plafon
60
Detil G
Pelat : daerah kolom daerah lapangan Drop panel
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
400
600 6001200
20
20 50
PelatRib
Spasi plafon
460
10
10
30
Balok induk
70
Detil E
600
600
600 600
1200
1200
60
60
Kolom
Rib
Balok induk
A A
20
30Pelat
200200
200
200
Balok
Detil C
Detil D
Pelat : lapangan tumpuan Rib : lentur tumpuan lentur lapangan geser B. Induk: lentur tumpuan lentur lapangan geser
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
600
600
600 600
1200
120060
60
200
200
200
200
200
200
Pelat
Kolom
Drop panel
Balok semu
40
40
Balok semu
Drop panel
Kolom
Detil H
400
600 6001200
1710
10
437
Drop Panel
Kolom
Pelat
Spasi plafon 60
Detil I
Pelat : daerah kolom daerah lapangan Balok semu : lentur tumpuan lentur lapangan geser Drop panel
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ANALISA STRUKTUR
Tugas Akhir Denny Ervianto / 3108100031
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ANALISA BIAYA
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ANALISA BIAYA
Tugas Akhir Denny Ervianto / 3108100031
Rp- Rp100,000,000.00 Rp200,000,000.00 Rp300,000,000.00 Rp400,000,000.00 Rp500,000,000.00 Rp600,000,000.00 Rp700,000,000.00 Rp800,000,000.00 Rp900,000,000.00
Rp1,000,000,000.00
14 cm 15 cm 16 cm
Beton struktur
Bekisting
Pembesian
Biaya Total
Rp-
Rp200,000,000.00
Rp400,000,000.00
Rp600,000,000.00
Rp800,000,000.00
Rp1,000,000,000.00
Rp1,200,000,000.00
17 cm
20 cm
23 cm
26 cm
Beton struktur
Bekisting
Pembesian
Biaya Total
Rp-
Rp200,000,000.00
Rp400,000,000.00
Rp600,000,000.00
Rp800,000,000.00
Rp1,000,000,000.00
Rp1,200,000,000.00
Rp1,400,000,000.00
10 cm 11 cm 12 cm
Beton struktur
Bekisting
Pembesian
Biaya Total
Rp-
Rp200,000,000.00
Rp400,000,000.00
Rp600,000,000.00
Rp800,000,000.00
Rp1,000,000,000.00
Rp1,200,000,000.00
Rp1,400,000,000.00
17 cm
20 cm
23 cm
26 cm
Beton struktur
Bekisting
Pembesian
Biaya Total
Pelat Konvensional Flat slab
Rib Slab Flat slab dgn balok semu
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ANALISA BIAYA BETON
Tugas Akhir Denny Ervianto / 3108100031
Rp-
Rp50,000,000.00
Rp100,000,000.00
Rp150,000,000.00
Rp200,000,000.00
Rp250,000,000.00
Rp300,000,000.00
Rp350,000,000.00
Rp400,000,000.00
Rp450,000,000.00
1 2 3 4
Konvensional
Flat Slab
Rib Slab
Flat Slab dengan Balok Semu
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ANALISA BIAYA BEKISTING
Tugas Akhir Denny Ervianto / 3108100031
Rp-
Rp50,000,000.00
Rp100,000,000.00
Rp150,000,000.00
Rp200,000,000.00
Rp250,000,000.00
Rp300,000,000.00
Rp350,000,000.00
Rp400,000,000.00
1 2 3 4
Konvensional
Flat Slab
Rib Slab
Flat Slab dengan Balok Semu
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ANALISA BIAYA PEMBESIAN
Tugas Akhir Denny Ervianto / 3108100031
Rp-
Rp100,000,000.00
Rp200,000,000.00
Rp300,000,000.00
Rp400,000,000.00
Rp500,000,000.00
Rp600,000,000.00
Rp700,000,000.00
Rp800,000,000.00
Rp900,000,000.00
1 2 3 4
Konvensional
Flat Slab
Rib Slab
Flat Slab dengan Balok Semu
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ANALISA BIAYA TOTAL
Tugas Akhir Denny Ervianto / 3108100031
Rp-
Rp200,000,000.00
Rp400,000,000.00
Rp600,000,000.00
Rp800,000,000.00
Rp1,000,000,000.00
Rp1,200,000,000.00
Rp1,400,000,000.00
1 2 3 4
Konvensional
Flat Slab
Rib Slab
Flat Slab dengan Balok Semu
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ANALISA BIAYA TOTAL
Tugas Akhir Denny Ervianto / 3108100031
No. Jenis Pelat Ketebalan Pelat Biaya Total14 mm 899,383,400.17Rp
15 mm 843,623,230.95Rp
16 mm 853,524,751.76Rp
17 mm 1,023,165,994.34Rp 20 mm 1,038,675,809.47Rp 23 mm 1,043,440,984.41Rp 26 mm 1,093,881,628.09Rp 10 mm 1,271,556,110.03Rp 11 mm 1,289,812,294.59Rp 12 mm 1,293,436,224.99Rp
17 mm 1,280,199,845.73Rp
20 mm 1,197,781,806.41Rp
23 mm 1,258,967,090.29Rp 26 mm 1,262,682,273.46Rp
Flat Slab dengan Balok Semu
Rib Slab
Flat Slab
Konvensional1
2
3
4
Perbandingan Biaya Total
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KESIMPULAN DAN SARAN
Tugas Akhir Denny Ervianto / 3108100031
Kesimpulan
Saran
1. Sistem pelat yang memerlukan biaya terendah adalah pelat konvensional.
2. Flat slab memerlukan biaya 21.28% lebih mahal dibandingkan pelat konvensional.
3. Rib slab memerlukan biaya 50.73% lebih mahal dibandingkan pelat konvensional.
4. Flat slab dengan balok semu memerlukan biaya 41.98% lebih mahal dibandingkan pelat konvensional.
•Perlu dilakukan analisa struktur yang melibatkan gaya horizontal. •Perlu membandingkan waktu dan kemudahan pelaksanaan.
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TERIMA KASIH