kuliah 2 metode konstruksi
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TEKNOLOGI DALAM ARSITEKTUR
Kuliah program Magister Teknik Arsitektur
Fakultas Teknik
Universitas Sumatera Utara
Prof Dr.-Ing. Johannes Tarigan 1
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Prof Dr.-Ing. Johannes Tarigan 2
Perancangan
Disain optimal
Fungsi Disain
struktur Tampak
Ekonomis Cara Membangun
pelaksanaan
Bangunan Arsitek Insinyur
Berdasarkan, Kotulla, Bernhard / Urlau-Clever, Bernd P. / Kotulla, Peter:
1994· Industrielles Bauen, II: Expert Verlag ISBN-13: 978-3-8169-1145-6 ISBN-10: 3-8169-1145-5
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Struktur Bangunan
Fisika Bangunan
Disain Pelaksanaan
Panas Api Hujan Bunyi
Perhitungan Struktur Faktor Keamanan dll
Sistem pelaksanaan Crane Transport
Prof Dr.-Ing. Johannes Tarigan 3
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JENIS ELEMEN KONSTRUKSI
Dimensi satu
Kolom,balok, portal
Dimensi dua
Pelat, dinding geser, shall
Dimensi tiga
Bangunan reaktor, pondasi besar
Prof Dr.-Ing. Johannes Tarigan 4
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Metode konstruksi pada bangunan
1. Cast In Situ
2. Pre cast dan pre stress
3. Top down
4. Lift slab
Prof Dr.-Ing. Johannes Tarigan 5
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1. Cast Insitu
Beton di cor ditempat/
Konvensional
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2. Pre-cast dan Pre-stress
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Pre Cast
• Kolom
• Balok
• Lantai
• Dinding
• Pondasi
• DLL
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Pabrik dari pre cast
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Ware House/Pre cast
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Prof Dr.-Ing. Johannes Tarigan 11
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Ware house precast
Prof Dr.-Ing. Johannes Tarigan 12
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Prof Dr.-Ing. Johannes Tarigan 13
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Prof Dr.-Ing. Johannes Tarigan 14
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Prof Dr.-Ing. Johannes Tarigan 15
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Prof Dr.-Ing. Johannes Tarigan 16
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Prof Dr.-Ing. Johannes Tarigan 17
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Product Index
Septic Tanks 1
Pump Tanks 2
Holding Tanks 3
Siphon Tanks 4
Recharge Tanks 5
Distribution Boxes 6
Aerobic Tanks 7
Treatment Tanks 8
Grease Traps & Interceptors 9
Lids & Extensions 10
Manholes 11
Inlets 12
Inlet Tops 13
Headwalls 14
Reinforced Concrete Pipe 15
Miscellaneous 16
Prof Dr.-Ing. Johannes Tarigan 18
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Prof Dr.-Ing. Johannes Tarigan 19
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Prof Dr.-Ing. Johannes Tarigan 20
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100 ton
Prof Dr.-Ing. Johannes Tarigan 21
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Reservoir
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Ukuran Elemen Pre Cast
Persyaratan khusus b h L
Tidak perlu < 250 cm < 400 cm < 1800 cm
Perlu, tanpa perlindungan polisi di Jalan Propinsi
< 350 cm Berdasarkan tinggi Di jembatan
<2400 cm
Perlu, tanpa perlidungan polisi di Tol
< 450 cm Berdasarkan tinggi di jembatan
< 2800 cm
Prof Dr.-Ing. Johannes Tarigan 23
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Toleransi dalam pre cast
Dalam pabrikasi, perlu ada toleransi yang dihitung dengan statistik.
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Modul dalam bangunan
• 3 M = 300 mm
• 6 M = 600 mm
• 12 M = 1200 mm
Prof Dr.-Ing. Johannes Tarigan 25
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Prof Dr.-Ing. Johannes Tarigan 26
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Jenis-jenis panel
1. Solid Panels
2. Insulated (sandwich) Panels
3. Ribbed Panels
4. Hollow-core Panels
5. Sculptured Panels
Prof Dr.-Ing. Johannes Tarigan 27
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Solid Panel
Prof Dr.-Ing. Johannes Tarigan 28
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HOLLOW
Prof Dr.-Ing. Johannes Tarigan 29
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Ribbed Panel
Prof Dr.-Ing. Johannes Tarigan 30
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Insulated (sandwich) Panels
Prof Dr.-Ing. Johannes Tarigan 31
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Prof Dr.-Ing. Johannes Tarigan 32
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Desain dinding Panel
Prof Dr.-Ing. Johannes Tarigan 33
Dinding Panel : 1. Beton Bertulang/RC (Reinforced Concrete)/Stahlbeton 2. Beton Pratekn/PSC(Pre Stress Concrete/Spannbeton
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Prof Dr.-Ing. Johannes Tarigan 34
b
heff
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Klasifikasi Panel
1. Non-Load-Bearing Panel (cladding)
2. Load-Bearing Panel
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KEUNTUNGAN PRE CAST
• Cepat dipasang
• Harga lebih murah
Prof Dr.-Ing. Johannes Tarigan 36
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PERENCANAAN PRE CAST
• Arsitek dan insinyur Sipil
Prof Dr.-Ing. Johannes Tarigan 37
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ORGANISASI
Prof Dr.-Ing. Johannes Tarigan 38
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Perencanaan pre cast
1. Dimensinya elemen bangunannya sama
2. Slabnya rata
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Pemasangan Slab
Prof Dr.-Ing. Johannes Tarigan 40
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Crane
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Pemasangan kolom
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Sambungan antar dinding
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Sambungan antar kolom dan balok
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Sambungan antar kolom dan pondasi
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Sambungan antar balok
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Sambungan kolom balok
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pemasangan
Prof Dr.-Ing. Johannes Tarigan 48
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Pre Stress
• Salah satu bagian dari pre cast
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Material Sifat
Beton • bahan campuran Semen, Agregat dan Air
• tegangan tekan tinggi
• tegangan tarik rendah
• harga murah
Tulangan • tegangan tekan dan tarik tinggi
• harga mahal
• bahaya terhadap korosi/karat
Kabel pratekan
• tegangan tarik sangat tinggi
• harga sangat mahal
• sangat bahaya terhadap korosi.
Perbandingan sifat beton, tulangan dan kabel pra tekan
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BETON DALAM KEADAAN BELUM RETAK
Jika σb < f’c
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Beton dalam keadaan sudah retak
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Beton Pratekan
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Keunggulan Beton Pratekan dibanding Beton bertulang
1. Tampang lebih kecil
2. Lendutan lebih kecil
3. Bentang lebih panjang
4. Umur lebih panjang (bebas retak)
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Jenis-jenis Baja Pratekan
• Wires : diameter 7 mm
• Strands: gabungan dari beberapa wires
• Tendon: gabungan dari beberapa strands (dipakai pada post tensioning)
• Bar :high strength dengan diameter > 20 mm
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Jenis-jenis kabel pra tekan di pasaran
• Freyssinet
• BBRV (Birkenmaeier, Brandestini, Ros)
• Dywidag
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Metode pelaksanaan pratekan
• Pre-tensioning: kabel ditarik dulu baru kemudian beton dicor
• Post-tensioning: beton dicor dulu baru kabel ditarik
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3. Lift Slab Method
• Lift slab construction is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks, so being cheaper and faster as not requiring boxing and supports for casting in situ.
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Liftslab method
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4. Top Down Construction Method
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Top Down Construction Method lanjutan....
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Top Down Construction Method lanjutan.......
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