Aspal-S2.pptx - TEKNOLOGI BAHAN ASPAL REFERENSI Click icon to add picture REFERENSI Tujuan Instruksional Umum Memberikan pengetahuan bagaimana mendisain

Aspal-S2.pptx - TEKNOLOGI BAHAN ASPAL REFERENSI Click icon...

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TEKNOLOGI BAHAN ASPAL
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REFERENSI
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Click icon to add picture REFERENSI
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PERKERASAN LENTUR MENGGUNAKAN CAMPURAN ASPAL Tujuan Instruksional Umum: Memberikan pengetahuan bagaimana mendisain campuran aspal yang benar dan baik
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JALAN BERASPAL DENGAN KONDISI MANTAP
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CONTOH KERUSAKAN PADA JALAN BERASPAL Untuk dapat membangun jalan yang baik , dibutuhkan pengetahuan tentang: Aspal, Aggregat, Teknik campuran aspal, dan Teknik pelaksanaan
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HMA HMA Aggrega t halus Aggreg at kasar Aspal Additiv e
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ASPAL
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MACAM MACAM ASPAL
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JENIS ASPAL Aspal Alam Aspal Gunung (Rock Asphalt) Contoh: Aspal Buton Aspal Danau (Lake Asphalt) Contoh: Aspal Bermuda, Trinidad Aspal Buata n Aspal Minyak (By-product Destilasi minyak) Tar (By-product destilasi batubara) Aspal Keras (AC) Cutback Asphalt Asphalt Emulsion
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PENAMBANGAN ASPAL BUTON
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REFINERY OPERATION - UNTUK MENGHASILKAN ASPAL MINYAK FIELD STORAGE PUMPING STATION LIGHT DISTILLATE HEAVY DISTILLATE PROCESS UNIT ASPHALT CEMENTS FOR PROCESSING INTO EMULSIFIED AND CUTBACK ASPHALTS STILL AIR AIR BLOWN ASPHALT STORAGE TOWER DISTILLATION REFINERY RESIDUUM OR GAS PETROLEUM SAND AND WATER CONDENSERS AND COOLERS TUBE HEATER MEDIUM DISTILLATE
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CONTOH ASPHALT REFINERY
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KOMPOSISI ASPAL Asphaltenes material hitam atau coklat tua tidak larut dalam heptane Maltenes cairan kental terdiri atas resins dan oils larut dalam heptane Aspal = Asphaltenes + Maltenes Aspal = Asphaltenes + Maltenes OILS : media dari asphaltenes dan resins RESINS : cairan berwarna kuning atau coklat tua memberikan sifat adhesi pada aspal, merupakan bagian yang mudah hilang atau berkurang selama masa pelayanan jalan
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Tidak semua jenis aspal tersedia dalam kondisi cair. Umumnya padat Perlu adanya pencair (Solvent)
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ASPAL KERAS (AC) Berbentuk padat pada temperatur ruang (25 o – 30 o C) Digunakan pada keadaan cair dan panas Jenis tergantung pada proses pembuatan dan jenis minyak bumi asalnya AC-60, AC-30, dll
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ASPAL KERAS (AC) Jenis* Keterangan AC 40/50 Penetrasi antara 40 - 50 AC 60/70 Penetrasi antara 60 – 70 AC 85/100 Penetrasi antara 85 – 100 AC 120/150 Penetrasi antara 120 – 150 AC 200/300 Penetrasi antara 200 - 300 *di Indonesia: AC 60/70 dan 80/100
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CONTOH PENGGUNAAN ASPAL KERAS (AC)
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CONTOH PENGGUNAAN ASPAL KERAS (AC) (2)
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ASPAL CAIR/DINGIN (CUT BACK ASPHALT) Aspal yang memerlukan bahan pencair/solvent (bensin, solar, dll) Berbentuk cair pada suhu ruang Digunakan pada keadaan cair dan dingin
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