PEMELIHARAAN JEMBATAN KHUSUS - bpsdm.pu.go.id diklat pemeliharaan jembatan ii modul 4 pemeliharaan jembatan

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  • DIKLAT PEMELIHARAAN JEMBATAN II

    MODUL 4

    PEMELIHARAAN JEMBATAN KHUSUS

    KEMENTERIAN PEKERJAAN UMUM DAN PERUMAHAN RAKYAT

    BADAN PENGEMBANGAN SUMBER DAYA MANUSIA

    PUSDIKLAT JALAN, PERUMAHAN,PERMUKIMAN, DAN

    PENGEMBANGAN INFRASTRUKTUR WILAYAH

    BANDUNG

    2015

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 2

    DAFTAR ISI .............................................................................................. 2

    DAFTAR TABEL ........................................................................................ 6

    DAFTAR GAMBAR.................................................................................... 7

    PETUNJUK PENGGUNAAN MODUL..........................................................10

    PENDAHULUAN ......................................................................................12

    1.1 Latar Belakang.................................................................................... 12

    1.2 Deskripsi Singkat ................................................................................ 12

    1.3 Tujuan Pembelajaran ......................................................................... 13

    KEGIATAN BELAJAR 1..............................................................................14

    UMUM ...................................................................................................14

    2.1 Maksud Dan Tujuan ........................................................................... 14

    2.2 Pemeriksaan Jembatan Khusus ......................................................... 15

    2.3 Pemeliharaan Jembatan Khusus ........................................................ 17

    2.4 Pengujian Dan Perkiraan Kondisi Teknis Serta Daya Dukung Jembatan 23

    2.5 Fasiitas Dan Peralatan Pemeliharaan Jembatan Khusus ................... 26

    KEGIATAN BELAJAR2 ..............................................................................32

    JEMBATAN BOX GIRDER BETON..............................................................32

    3.1 Perbaikan Dan Perawatan Bangunan Bawah .................................... 32

    3.1.1 Fundasi........................................................................................ 32

    3.1.2 Pile Cap ....................................................................................... 33

    DAFTAR ISI

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 3

    3.1.3 Pilon Beton ................................................................................. 33

    3.1.4 Pilar ............................................................................................. 34

    3.2 Perawatan Dan Pemeliharaan Pada Struktur Atas Jembatan Box Girder 36

    KEGIATAN BELAJAR 3..............................................................................46

    JEMBATAN PELENGKUNG BETON............................................................46

    4.1 Tipe Jembatan Pelengkung Beton ..................................................... 46

    4.2 Pemeriksaan Rutin ............................................................................. 50

    KEGIATAN BELAJAR 4..............................................................................53

    JEMBATAN PELENGKUNG BAJA...............................................................53

    5.1 Konsep Jembatan Pelengkung Baja ................................................... 53

    5.1.1 Desain Jembatan Pelengkung Baja............................................. 53

    5.1.2 Kelebihan Jembatan Pelengkung................................................ 56

    5.1.3 Kekurangan Jembatan Pelengkung ............................................ 57

    5.2 Tipe Jembatan Pelengkung Baja ........................................................ 57

    5.2.1 Jembatan Pelengkung................................................................. 57

    5.2.2 Elemen-Elemen Struktur Jembatan Pelengkung........................ 58

    5.2.3 Sambungan Pada Jembatan Pelengkung.................................... 62

    KEGIATAN BELAJAR 5..............................................................................66

    JEMBATAN KABEL CANCANG (STAYED CABLE).........................................66

    6.1 Elemen-Elemen Struktur Stayed Cable.............................................. 67

    6.1.1 Gelagar........................................................................................ 67

    6.1.2 Kabel ........................................................................................... 69

    6.1.3 Lock Up Device............................................................................ 70

    6.1.4 Angkur......................................................................................... 71

    6.1.5 Hirarki Elemen ............................................................................ 72

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 4

    6.2 Metode Pemeliharaan Dan Penanganan Elemen Baja ...................... 74

    6.2.1 Elemen Baja ................................................................................ 74

    6.2.2 Pemantauan Atas Sambungan Las Dan Material Baja ............... 77

    6.2.3 Tindakan Atas Keretakan Sambungan Las Dan Material Baja.... 78

    6.2.4 Cara Pemeliharaan Dan Penanganan Baut Berkekuatan Tinggi. 80

    6.2.5 Lapisan Anti Karat/Coating/Cat .................................................. 82

    6.3 Stayed Cable....................................................................................... 85

    6.3.1 Pengamatan Gaya Pada Kabel.................................................... 85

    6.3.2 Pemeliharaan Dan Penanganan Stay Cable................................ 86

    6.3.3 Angkur Stay Cable....................................................................... 88

    6.3.4 Mechanical Perletakan (Bearing) ............................................... 91

    6.3.5 Kerusakan Pada Stay Cable....................................................... 101

    6.3.6 Kerusakan 404 – Kerusakan Besar Pada Pelindung Hdpe, Kabel Terlihat 105

    KEGIATAN BELAJAR 6............................................................................111

    JEMBATAN SUSPENSI ...........................................................................111

    7.1 Tipe Jembatan Suspensi................................................................... 111

    7.1.1 Gelagar...................................................................................... 111

    7.1.2 Jembatan Suspensi ................................................................... 113

    7.1.3 Menara Atau Pilon.................................................................... 114

    7.1.4 Hanger ...................................................................................... 115

    7.1.5 Angkur....................................................................................... 117

    KEGIATAN BELAJAR 7............................................................................122

    KASUS RUNTUHNYA JEMBATAN KHUSUS..............................................122

    8.1 Runtuhnya Jembatan Khusus KUKAR............................................... 122

    8.2 Deskripsi Jembatan .......................................................................... 122

    8.3 Data Teknis Jembatan...................................................................... 123

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 5

    8.4 Kronologis Kejadian Runtuhnya Jembatan ...................................... 125

    8.5 Kondisi Jembatan Setelah Runtuh ................................................... 126

    8.6 Hipotesis Runtuhnya Jembatan KUKAR ........................................... 138

    8.7 Perkiraan Mekanisme Kegagalan..................................................... 139

    8.8 Pengujian dan Analisis yang Diperlukan .......................................... 142

    8.9 Penyelenggaraan Keamanan Jembatan dan Terowongan Jalan ..... 143

    RANGKUMAN.......................................................................................144

    LEMBAR KERJA .....................................................................................144

    DAFTAR PUSTAKA.................................................................................144

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 6

    Tabel 1 Nilai Makximum Dari Lebar Retak Akibat Beban Mati..................... 35

    Tabel 2 - Hierarki Elemen Jembatan Pelengkung Beton............................... 49

    Tabel 3 – Pemeriksaan Rutin ........................................................................ 52

    Tabel 4 – Kode Elemen.................................................................................. 72

    DAFTAR TABEL

  • Modul 4 –Pemeliharaan Jembatan Khusus

    Diklat Pemeliharaan Jembatan II 7

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    Gambar 2 – Turap ............................................ Error! Bookmark not defined.

    Gambar 3 – Bronjong....................................... Error! Bookmark not defined.

    Gambar 4 – Rip-Rap atau Pasangan Batu BesarError! Bookmark not

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    Gambar 5 – Pembuatan Perkerasan Lantai Dengan Beton atau Batu Besar