Analisa Perk Eras An Lentur Dan Kaku by arnida_upi1

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									Analisa Perk Eras An Lentur Dan Kaku                                                                                             http://www.scribd.com/doc/90591782/Analisa-Perk-Eras-An-Lentur-D...


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Analisa Perk Eras An Lentur Dan Kaku                                                                  http://www.scribd.com/doc/90591782/Analisa-Perk-Eras-An-Lentur-D...



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               ANALISA DATA

               1. Analisa CBR Subgrade

                    Untuk perencanaan tebal perkerasan jalan yang akan
                    dianalisa, diperlukan gambaran atau data tentang kondisi
                    tanah dibawah perkerasan (Subgrade) pada ruas jalan .
                    Data tanah tersebut di dapatkan dari
                    Hasil Laboratorium.
                    Data CBR yang dapat dilihat pada Tabel dibawah



               Berdasarkan kondisi lapangan, secara umum CBR Desain adalah sebagi berikut :
               -         Di asumsikan CBR Desain =                  5         %

               2. Analisa Lalu lintas
               -           Asumsi Pertumbuhan lalulintas=             2           %

               3. Perhitungan Tebal lapis Konstruksi Perkerasan

               A. Perhitungan Tebal Konstruksi Perkerasan Lentur
               -          Asumsi Umur Rencana =                       20       Tahun

               -          Asumsi Vol ume Lalulintas Pada Tahun Rencana (2012)

                                         Jenis        Volume
                              No       Kendaraan    Kendaraan
                                                    Kend/hari
                                   1 Mobil
                                                        500
                                     Penumpang
                                   2 Bus                100
                                   3 Truck 2 as          10
                                   4 Trailer 3 as         5
                                    Total               615

                          LHR Untuk Tahun 2032
                                       Jenis          Volume       LHR
                             No      Kendaraan      Kendaraan ta hun 2032
                                                    Kend/hari Kend/hari
                                   1 Mobil
                                                        500          700
                                     Penumpang
                                   2 Bus                200           280
                                   3 Truck 2 as         50            70
                                   4 Trailer 3 as       10            14
                                    Total               760          1064

                          Penentuan Angka Ekivalen (E)
                                        Jenis          Beban       Ekivalen
                             No      Kendaraan Satu Sumbu            (E)
                                                       (ton)
                                   1 Mobil
                                                         2          0.0004
                                     Penumpang
                                   2 Bus                 9         0.3006
                                   3 Truck 2 as         18.2       0.2174
                                   4 Trailer 3 as       26.2       6.1179

                          Perhitungan Lintas Ekivalen Permulaan (LEP)
                                         Jenis         Volume                  Ekivalen
                             No       Kendaraan Kendaraan           C            (E)        LEP
                                                     Kend/hari                            Kend/hari
                                   1 Mobil
                                                        500           0.5      0.0004         0.100
                                     Penumpang
                                   2 Bus                100          0.5       0.3006       15.03
                                   3 Truck 2 as          10          0.5       0.2174       1.087
                                   4 Trailer 3 as         5          0.5       6.1179     15.29475
                                                      TOTAL                               31.51175

                          Perhitungan Lintas Akhir Permulaan (LEA)
                                         Jenis        Volume                   Ekivalen
                             No       Kendaraan Kendaraan             C          (E)        LEP
                                                    Kend/hari                             Kend/hari
                                  1 Mobil
                                                       700            0.5      0.5000          175
                                    Penumpang
                                  2 Bus                280           0.5         0.5           70
                                  3 Truck 2 as          70           0.5         0.5          17.5
                                  4 Trailer 3 as        14           0.5         0.5          3.5
                                                      TOTAL                                   266



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8 of 12                                                                                                                                                8/5/2012 2:28 AM
Analisa Perk Eras An Lentur Dan Kaku                                                                                                    http://www.scribd.com/doc/90591782/Analisa-Perk-Eras-An-Lentur-D...



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               PERHITUNGAN TEBAL PELET BETON SEMEN

               Diketahui data parameter perencanaan sebagi berikut :
               > CBR Tanah dasar                  =                     5 %
               > Kuat Tarik lentur (Fcf)            =                    4 Mpa (F'c =          285 kg/cm2, Silinder)
               > Bahan Pondasi Bawah            =            Stabilisasi
               > Mutu Baja Tulangan              =            BJTU39 ( fy : tegangan Leleh =               3900 kg/cm2)   untuk
                                                              BMDT dan BJTU 24 (fy =                       2400 kg/cm2)    untuk BBDT
                                                              ket :
                                                              BBDT :      Beton Bersambung dengan tulangan
                                                              BBTP :      Beton semen Bersambung Tanpa Tulangan
                                  Search                      BJTP :       Baja Tulangan Polos
                                  Search History:             BMDT:       Beton Menerus Dengan Tulangan
                                  Searching...                BJTU :       Baja Tulangan Ulir
                                 Result 00 of 00
               > Koefisien gesek antara pelat beton dan pondasi (µ )   =                    1.3
                                  00 results for result for
               > Bahu Jalan                                            =          Ya              (BETON)
               > Ruji (Dowel)                                          =          Ya
                                  p. Rata-rata
               > Data Lalulintas Harian




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Analisa Perk Eras An Lentur Dan Kaku                                                                                   http://www.scribd.com/doc/90591782/Analisa-Perk-Eras-An-Lentur-D...



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               b. Perhitungan repetisi sumbu yang terjadi

               Jenis         Beban         Jumlah        Proporsi       P ropor si Lal u- linta s r epetisi
               Sumbu        Sumbu         Sumbu         Beban          Sumbu       Rencana yang
                            (Ton)                                                                terjadi
                        1            2                3              4            5           6 7=4x5x6
               STRT                   6                 5          0.04        0.50 1427990             31043.25
                                     5               10         0.09          0.50 1427990              62086.5
                                     3              100         0.87          0.50 1427990               620865
                       Total                        115         1.00
               STRG                   8               10         0.09 0.478261 1427990                   62086.5
                                     5              100         0.91 0.478261 1427990                    620865
                       Total                        110         1.00
               STRD                  14                5          1.00 0.021739 1427990                31043.25
                       Total                          5          1.00
                                                    Komulatif                                        1427989.5

               c. Perhitungan tebal pelat beton

                            Sumber data beban                        =           asumsi
                            Jenis Perkerasan                           =          BBTT dengan Ruji
                            Jenis Bahu                                =           beton
                            Umur rencana                             =           20 tahun
                            JSK (jumlah sumbu kendaraan)              =             1427990
                            Faktor keamanan Beban                    =                  1.1




                            Kuat tarik lentur beton (f'cf) umur 28 hari              =                       4 mpa
                            Jenis dan tebal lapis pondasi                         =           Stabilitas semen 15 cm
                            CBR tanah dasar                                       =                        5 %
                            CBR Efektif                                             =                      65 %




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                    Analisa Fatik dan Erosi




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