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Awan Hermawan Purwadinata

PT Kereta Api Indonesia (Persero)

Author-ID : 5328397

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENETAPAN DURASI CRASH DENGAN METODE LINEAR PROGRAM UNTUK PROYEK PEMBANGUNAN BOX CULVERT NO 409 PADA JALUR KA DI DAOP 3 CIREBON Dicky Arisikam; Awan Hermawan Purwadinata; Raden Herdian Bayu Ash Shiddiq
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 8 No. 1 (2021)
Publisher : Universitas Widyatama

Tujuan utama dari suatu proyek ialah menyelesaikan proyek tersebut sesuai dengan durasi dan biayanya. Durasi penyelesaian proyek tersebut disebut sebagai jalur kritis yang dipengaruhi oleh volume pekerjaan dan produktivitasnya. Durasi normal proyek merupakan waktu yang diperlukan untuk menyelesaikan kegiatan dengan sumber daya yang ada (tanpa input tambahan), sedangkan normal cost merupakan biaya yang diperlukan untuk durasi normal. Data durasi normal dan normal cost umumnya diperoleh dari statistik terhadap proyek-proyek serupa yang pernah dilaksanakan. Karena adanya tujuan tertentu, durasi tersebut memungkinkan untuk dipercepat dengan input tambahan, ini disebut sebagai crash program. Pada Proyek KA terdapat aturan bahwa pelaksanaan konstruksi tidak boleh mengganggu operasional KA apalagi sampai memberhentikan atau menutup jalur KA, sehingga Pembangunan Box Culvert No 409 harus dilaksanakan secepat mungkin. Berdasarkan statistik proyek sebelumnya, maka proyek ini direncanakan selesai dalam 92 hari kalender, namun dapat dipercepat menjadi 92 hari kalender

KAJIAN PENGGUNAAN BANTALAN BETON BEKAS JALUR KERETA API SEBAGAI DINDING PENAHAN TANAH PENGGANTI GABION Dicky Arisikam; Awan Hermawan Purwadinata; Nadia Laila Lathifah
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 8 No. 2 (2022)
Publisher : Universitas Widyatama

On the railway track, a change in layout and space can be found oftenly in order to improve the function of the railway to be better and have a high degree of reliability. This research aimed to analyze the slope stability due to the load that occurs when used concrete sleepers instead of gabion, as well as to find out the safety factors of hiping construction using concrete sleepers. The calculation of railway slope stability considers three models of slope failure: failure due to bolsters, shear forces, and soil bearing capacity. The calculation results of slope stability and force that occurs in the reinforcement is verified using Plaxis 2D CE V20 software with the output in the form of safety factors. Based on the results of the research, the alternative reinforcement using used concrete pads as a substitute for gabions has a deformation value of 0.1058 m with a safety factor of 1.638. So, the alternative is safe against landslides during the construction period having an FK value > 1.5 exceeding the minimum safety factor value.

PENGEMBANGAN MEDIA VISUAL 3D STASIUN HERITAGE MENGGUNAKAN APLIKASI 3D SKETCH UP 2019 SEBAGAI IMPLEMENTASI BIM DI STASIUN DAOP 2 BANDUNG Dicky Arisikam; Awan Hermawan Purwadinata; Abimanyu Noor Ravi Adzanto
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 8 No. 2 (2022)
Publisher : Universitas Widyatama

Visual Media 3 Dimensions Sketch Up is a program that is used for modeling in a field of making 3-dimensional objects of buildings. The purpose of 3-dimensional visualization is to facilitate the five senses in interpreting images. This is because the ability to present visual forms must be supported by an environment that can provide clarity of information about the location of the object to be addressed by each individual. Heritage buildings contain many values ??of cultural elements. The building has aesthetic and cultural values ??both from the exterior and interior of the building. The historical value of Heritage buildings is able to provide massive evidence of an event in the past. All values ??contained in the Heritage building contribute value to the individual or community concerned. In the asset data of the station building DAOP 2 BANDUNG belonging to PT. KAI, Heritage buildings may not be destroyed or relocated. This is because the building has historical significance. As one of the efforts to maintain the shape and value of the Heritage building is to carry out 3-Dimensional digital visualization so that the original form of the building is already available in the data bank owned by PT. KAI (Persero). This also supports the implementation of BIM (Building Information Modeling) which is a digital representation of the physical characteristics and functional characteristics of a building.

PERENCANAAN STABILISASI DAN PERKUATAN TANAH DASAR JALUR KERETA API Dicky Arisikam; Awan Hermawan Purwadinata; Isah Bela Mulyawati
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 8 No. 2 (2022)
Publisher : Universitas Widyatama

Jalan kereta api umumnya dibangun di atas subgrade yang memiliki daya dukung tinggi agar dapat menahan beban dan mencegah penurunan ballast sehingga rel tetap pada tempatnya. Fakta di lapangan menunjukkan bahwa kebutuhan jalan rel semakin meningkat dan beberapa lokasi jalan kereta api sangat mungkin dibangun di atas tanah lempung lunak sehingga rentan mengalami ketidakstabilan tanah seperti amblesan di sepanjang jalur hilir yang terjadi pada daerah rawan KM 348+200 s.d. 349+600 di Emplasemen Stasiun Talang Padang Divre III Palembang. Penanganan yang bisa dilakukan dengan penambahan perkuatan pada tanah untuk meningkatkan daya dukung yang dapat menahan beban dinamis kereta api. Penelitian ini membahas mengenai metode penanganan dengan tiga alternatif yaitu (1) metode perkuatan tanah alternatif ke-1 menggunakan pelat beton dan kayu gelam, (2) metode perkuatan tanah alternatif ke-2 menggunakan matras bambu dan kayu gelam, (3) metode perkuatan tanah alternatif ke-3 menggunakan portal dan geotextile. Analisis perhitungan dilakukan menggunakan program PLAXIS 2D CE V20 dengan tiga alternatif penanganan. Hasil penelitian yang diperoleh yaitu (1) alternatif ke-1 deformasi sebesar 29.51 cm dengan faktor keamanan 1.398, (2) alternatif ke-2 deformasi sebesar 31.56 cm dengan faktor keamanan 1.445, (3) alternatif ke-3 deformasi sebesar 0.71 cm dengan faktor keamanan 2.237. Berdasarkan ketiga alternatif, metode yang dapat dilakukan untuk karakteristik tanah pada lokasi studi yaitu alternatif ke-3 dengan menggunakan portal dan geotextile, dimana FK > 1.5 melebihi nilai faktor keamanan minimum.

PERENCANAAN PERLINTASAN KERETA API MENGGUNAKAN REL KERETA API Dicky Arisikam; Awan Hermawan Purwadinata; Bhakti Pramadita
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 8 No. 2 (2022)
Publisher : Universitas Widyatama

A railroad crossing is a cross between a railroad track and a motorized highway. Based on data and field reports at railroad crossings with highways, it is often found that damage to the asphalt layer (Surface Coarse). The cause of asphalt damage occurs due to a shift between the ballast gravel under the asphalt surface. Where the asphalt layer should be on a solid pavement or foundation, so that the life of the asphalt surface will be more durable. So to overcome these problems, a comparative study was conducted on the planning of retrofitting of the crossing using reinforced concrete slabs and using used railroad tracks. In the design of the reinforced concrete slab, a plate measuring 3x0.6 meters thick 7 cm with a concrete quality of K-225 (18.68 Mpa) is used which can withstand a train axle load of 18 tons. The load on the used railroad tracks is used by large-loaded vehicles, namely truck loads of 10 tons.

Co-Authors Abimanyu Noor Ravi Adzanto Ash Siddiq, Raden Herdian Bayu Bhakti Pramadita Dicky Arisikam Dicky Arisikam Isah Bela Mulyawati Nadia Laila Lathifah

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