DAFTAR ISI LAPORAN PKL GEOMETRIK JALAN

DAFTAR ISI

Lembar Persetujuan...............................................................................................                                 ii

Kata Pengantar......................................................................................................                                 iii

Daftar Isi...............................................................................................................                                 iv

BAB I. PENDAHULUAN..................................................................................                                   1

    1.1  Latar Belakang...........................................................................................                                  1

    1.2  Maksud Dan Tujuan...................................................................................                                  2

    1.3  Informasi Proyek........................................................................................                                  2

    1.4  Lokasi Proyek.............................................................................................                                 3

    1.5  Waktu Kerja Praktek..................................................................................                                  3

BAB II. PELAKSANAAN TEKNIS................................................................                                   5

    2.1  Struktur Organisasi Proyek........................................................................ 5

           2.1.1  Pemberi Tugas.................................................................................. 5

           2.1.2  Konsultan Dan Perencana................................................................ 6

           2.1.3  Kontraktor........................................................................................ 6

           2.1.4  Direksi / Pengawas........................................................................... 7

    2.2  Hubungan Kerja Dari Unsur-Unsur Pelaksana........................................... 9

    2.3  Rencana Kerja Proyek  .............................................................................. 10

           2.3.1  Tujuan Rencana Kerja...................................................................... 11

           2.3.2  Fungsi Rencana Kerja...................................................................... 11

           2.3.3  Isi Rencana Kerja............................................................................. 12

           2.3.4  Bentuk Rencana Kerja..................................................................... 13

BAB III. TINJAUAN PUSTAKA..................................................................... 15

    3.1  Klasifikasi Jalan.......................................................................................... 15

           3.1.1  Klasifikasi Menurut Fungsi Jalan..................................................... 15

           3.1.2  Klasifikasi Menurut Kelas Jalan....................................................... 15

           3.1.3  Klasifikasi Menurut Medan Jalan..................................................... 16

           3.1.4  Klasifikasi Menurut Wewenang Pembinaan Jalan........................... 16

    3.2  Kriteria Perencanaan.................................................................................. 16

           3.2.1  Kendaraan Rencana......................................................................... 16

           3.2.2  Satuan Mobil Penumpang................................................................ 17

           3.2.3  Volume Lalu-lintas Rencana............................................................ 18

                     3.2.3.1  Lalu Lintas Harian Rata-rata............................................... 18

                     3.2.3.2  Volume Jam Perencanaan (VJR)......................................... 19

           3.2.4  Kecepatan Rencana.......................................................................... 20

    3.3  Elemen Perencanaan Geometrik Jalan........................................................ 23

           3.3.1  Penampang Melintang Jalan............................................................. 23

                     3.3.1.1  Jalur Lalu Lintas.................................................................. 25

                     3.3.1.2  Lajur.................................................................................... 29

                                  3.3.1.2.1  Lebar Lajur Lalu Lintas....................................... 29

                                  3.3.1.2.2  Jumlah Lajur Lalu Lintas..................................... 30

                     3.3.1.3  Bahu Jalan........................................................................... 31

                                  3.3.1.3.1  Jenis Bahu Jalan.................................................. 31

                                  3.3.1.3.2  Lebar Bahu Jalan................................................. 32

                                  3.3.1.3.3  Lereng Melintang Bahu Jalan.............................. 32

                     3.3.1.4  Median................................................................................ 33

                     3.3.1.5  Fasilitas Pejalan Kaki.......................................................... 35

    3.4  Jarak Pandang............................................................................................ 35

           3.4.1  Jarak Pandang Henti (JPH).............................................................. 36

           3.4.2  Jarak Pandang Mendahului (JPM)................................................... 36

           3.4.3  Daerah Bebas Samping Pada Tikungan........................................... 36

    3.5  Alinyemen Horizontal................................................................................ 41

           3.5.1  Bentuk Bagian Lengkung................................................................ 42

           3.5.2  Trase................................................................................................. 46

           3.5.3  Jari – Jari Tikungan........................................................................... 47

           3.5.4  Tikungan Gabungan ........................................................................ 48

           3.5.5  Panjang Bagian Lurus...................................................................... 50

           3.5.6  Superelevasi...................................................................................... 50

           3.5.7  Pelebaran Jalur Lalu Lintas.............................................................. 52

    3.6  Alinyemen Vertikal.................................................................................... 55

           3.6.1  Pengertian Alinyemen Vertikal........................................................ 55

           3.6.2  Landai Maksimum............................................................................ 56

           3.6.3  Panjang Kritis................................................................................... 56

           3.6.4  Lengkung Vertikal........................................................................... 56

           3.6.5  Koordinasi Alinyemen..................................................................... 58

BAB IV. DATA DAN ANALISA..................................................................... 61

    4.1  Data Proyek................................................................................................ 61

           4.1.1  Data Lalulintas Tahun 2013............................................................. 61

    4.2  Penetapan Trase Jalan................................................................................. 62

           4.2.1  Data titik Koordinat......................................................................... 62

           4.2.2  Perhitungan Azimuth....................................................................... 64

           4.2.3  Perhitungan Sudut PI....................................................................... 69

           4.2.4  Perhitungan Jarak Antar PI.............................................................. 72

                     4.2.4.1  Menggunakan Rumus Phytagoras....................................... 72

                     4.2.4.2  Menggunakan Rumus Sinus................................................ 76

                     4.2.4.3  Menggunakan Rumus Cosinus............................................ 79

           4.2.5  Perhitungan Kelandaian Melintang..................................................

    4.3  Perhitungan Alinyemen Horizontal............................................................

           4.3.1  Berdasarkan Peraturan Bina Marga..................................................

           4.3.2  Perhitungan Alinyemen Horizontal Dengan Mengubah Trase 

                     Jalan..................................................................................................

           4.3.3  Perhitungan Alinyemen Horizontal dengan Menyesuaikan

                     Kondisi Jalan....................................................................................

    4.4  Perhitungan Alinyemen Vertikal................................................................

           4.4.1  Perhitungan Kelandaian Memanjang...............................................

           4.4.2  Perhitungan Lengkung Vertikal.......................................................

BAB V. PENUTUP.............................................................................................

    5.1  Kesimpulan.................................................................................................

    5.2  Saran...........................................................................................................

Daftar Pustaka.......................................................................................................

Lampiran