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Program Profesi Insinyur Gedung Dekanat Fakultas Teknik Universitas Lampung Jl. Prof. Dr. Ir. Sumantri Brojonegoro No.1, Gedong Meneng, Kec. Rajabasa, Kota Bandar Lampung, Lampung 35141
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Jurnal Profesi Insinyur Universitas Lampung
Published by Universitas Lampung
ISSN : -     EISSN : 27225771     DOI : https://doi.org/10.23960/jpi
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Environmental Science Industrial & Manufacturing Engineering
Dalam jurnal ini akan dimuat artikel-artikel ilmiah berbagai bidang Profesi Insinyur, seperti bidang teknik sipil, teknik arsitektur, teknik kimia, teknik pertanian, teknik kimia, teknik elektro, teknik geofisika, teknik, geodesi, teknik informatika, material, konversi energi dan mekanika struktur serta konstruksi-perancangan dan bidang lain yang terkait dengan profesi insininyur. Dewan redaksi diisi oleh Dosen, Peneliti dan Praktisi bidang Profesi Insinyur dan beberapa mitra bestari yang direkrut dari luar. Jurnal Profesi Insinyur diterbitkan 2 (dua) kali dalam setahun, yaitu bulan Juni dan Desember.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 5 Documents
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Search results for , issue "Vol. 1 No. 2 (2020)" : 5 Documents clear
Perencanaan Pengembangan Aspek Teknis Operasional Dan Finansial Pengelolaan Sampah Kabupaten Mesuji Farid, Sulton; Purba, Aleksander
Jurnal Profesi Insinyur Universitas Lampung Vol. 1 No. 2 (2020)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (893.517 KB) | DOI: 10.23960/jpi.v1n2.45

Abstract

Timbunan sampah di Kabupaten Mesuji dari tahun ke tahun mengalami peningkatan, karena aktivitas yang berasal dari perumahan, industri, perdagangan dan jasa, fasilitas kesehatan, pasar dan fasilitas umum. Bersamaan dengan kondisi lingkungan tersebut, adanya tuntutan MDGs yaitu memberikan pemenuhan layanan sanitasi lingkungan pada wilayah pemukiman, domestik dan industri, penanganan pelayanan persampahan menjadi salah satu bagian yang penting demi menuju lingkungan yang sehat dan bersih seperti yang diinginkan oleh sebagian masyarakat. Metode analisis yang digunakan adalah analisis kuantitatif dengan menghitung pengurangan, penanganan serta memproyeksikan sampah menggunakan indikator Peraturan Presiden Nomor 81 Tahun 2012 tentang Kebijakan dan Strategi Nasional Pengelolaan Sampah Rumah Tangga dan Sampah Sejenis Sampah Rumah Tangga. Hasil analisis data diketahui pada tahun 2030 timbulan sampah yaitu sebesar 28,04 ton/hari dengan pengurangan sampah ditargetkan mencapai 50%. Agar pengelolaan menjadi lebih baik, dibutuhkan peningkatan kualitas pengurangan sampah dengan menambah sarana dan prasarana persampahan. Pada penanganan sampah dibutuhkan penambahan unit motor sampah, kontainer pasar, arm roll truk pasar, compactor truck, TPS 3R dan arm roll truk ke TPA. Estimasi biaya pengelolaan sampah dari TPS Ke TPA adalah sebesar Rp 587.028.141,-/m3/tahun. Estimasi besaran retribusi sampah yang didasarkan atas biaya operasional dan pelayanan untuk masing – masing kepala keluarga pada tahun 2030 adalah Rp. 4.203,-
Kuat Tekan Beton Dengan Menggunakan Agregat Halus Gunung Sugih, Agregat Kasar Sumber Batu Berkah Dan Abu Batu Sumber Batu Berkah Tarahan Girinandi, Irwan; Riyanto, Heri
Jurnal Profesi Insinyur Universitas Lampung Vol. 1 No. 2 (2020)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (446.098 KB) | DOI: 10.23960/jpi.v1n2.46

Abstract

The development of the construction industry and transportation continue to show a significant increase with the increasing number of people and also the needs of humanity. Lampung province developed as well as an increase in charges. Part of construction that encounter development is concrete. High compressive strength of concrete with an affordable price start to be research to mixing modifications with the use of additive. One of modifications is mixing with stone ash as additive. This research explains about concrete compressive strength which mixed by good quality aggregate and stone ash in lampung area. Fine aggregate that used was natural aggregate from Gunung Sugih while coarse aggregate was crushed stones from Sumber Batu Berkah quarry. This research was done at Laboratory facilty of Bandar Lampung University. The use of stone ash was done in partial substitusion for 10%, 20%, 30%, 40% and 50% of coarse aggregate start from the biggest gradation. From the result of this research, the highest compressive strength was discovered in concrete with 30% use of stone ash which was 451,837 kg/m2. The maximum compressive strength was increase about 18,76% in comparation of 10 % use of stone ash and decreased about 6,17 % in the use of 50 % ston ash. The density of every level of stone ash use follow the same record of compressive strength. The density weight in 30% variants use of stone ash which is superior than 10 % and 50 % variants.
Perhitungan Penghematan Energi Terhadap Rencana Pemasangan Automatic Blowdown Control System Pada HOKEN Boiler Pelayer, Meijon; Despa, Dikpride
Jurnal Profesi Insinyur Universitas Lampung Vol. 1 No. 2 (2020)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (379.666 KB) | DOI: 10.23960/jpi.v1n2.47

Abstract

Boiler Feed water dengan tidak mengindahkan jenis dan luasnya masih terdapat contaminant – contaminant yang dapat menyebabkan pengendapan, korosi dan carry over. Pengendapan secara langsung berkaitan dengan menurunnya efektifitas perpindahan panas yang menyebabkan pemborosan penggunaan bahan bakar. Kandungan padatan terlarut dalam air boiler (dalam bentuk TDS, total dissolved solid) semakin tinggi dengan penguapan air boiler menjadi steam. Kandungan padatan terlarut ini dapat mangakibatkan priming dan carry over air boiler menuju aliran steam bila dibiarkan secara terus menerus. Hal ini dapat mengakibatkan kerusakan pada jalur steam dengan adanya waterhammer, korosi dan kotoran yang menghambat laju pindah panas. Untuk mencegah tingginya kandungan padatan terlarut dalam air boiler, pembuangan air dilakukan melalui blowdown valve sehingga feed water dapat segera terganti dengan baik. Namun pengendalian blowdown secara terus menerus dengan range waktu yang cukup lama dapat menyebabkan kehilangan air boiler, energi, bahan kimia dan biaya lainnya. Umumnya selama ini, blowdown dilakukan secara manual atau dengan timer secara berkala (misal 1 jam selama 3 – 15 detik) cara ini diyakini telah menghasilkan pemborosan blowdown, karena blowdown tetap dilakukan meskipun kondisi air boiler masih dalam kondisi bagus (nilai TDS masih sangat rendah). Hal ini mengakibatkan pemborosan karena blowdown yang tidak perlu dilakukan (berlebihan). Pengendalian blowdown secara otomatis mendekati nilai TDS yang diinginkan menjadi satu solusi untuk meminimalkan hilang energi, bahan bakar, bahan kimia dan biaya serta konsumsi air umpan boiler.
Studi Kelayakan Dan Perancangan Serta Implementasi Turbin Pada Proyek PLTMH Di Kabupaten Sleman Yogyakarta Tarmizi, Achmad; Wardono, Herry
Jurnal Profesi Insinyur Universitas Lampung Vol. 1 No. 2 (2020)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (512.222 KB) | DOI: 10.23960/jpi.v1n2.48

Abstract

The Regional Government of Sleman Regency will build a PLTMH by utilizing the potential of hydropower in Girikerto village, which is one of the renewable energy sources. This research is based on the results of a feasibility study conducted by the author by conducting a field study to retrieve location data by paying attention to technical, economic and social, then a literature study and data analysis are carried out to determine the type of turbine and the most appropriate characteristics for the PLTMH at that location. From the results of the data analysis and by conducting careful calculations and taking into account the conditions of the PLTMH project location, the most appropriate turbine to be used is the turbine Cross Flow type. Besides having a simple construction, this turbine can also be designed for a large enough capacity and is easier to fabricate. Another result obtained is the value of the ratio of benefits to costs of 0.79 (less than 1). This means that the construction of this PLTMH is considered uneconomic, but with the power it can generate at 10.58 kW, it will certainly be able to illuminate and supply electricity (a huge benefit) for dozens of Girikerto villagers.
Analisis Kebutuhan Pengembangan Perumahan Dan Kawasan Permukiman Kabupaten Pesisir Barat Tahun 2018 – 2037 Fahmi; Widyawati, Ratna
Jurnal Profesi Insinyur Universitas Lampung Vol. 1 No. 2 (2020)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (768.677 KB) | DOI: 10.23960/jpi.v1n2.49

Abstract

The development of housing and residential areas is a basic human need that has a strategic function as a center for family education, cultural nursery, and improving the quality of future generations, and is a manifestation of identity. One of the manifestations of the achievement of people's welfare is marked by increasing the quality of a decent and dignified life through meeting the needs of boards as one of the basic human needs. Thus the development of housing and settlement areas is one of the strategic fields in the efforts of Indonesian human development as a whole and the construction of housing and settlement areas is a multi-sector activity, the results of which directly touch one of the basic needs of the community. Meeting the needs of decent housing in a healthy environment is certainly the duty of the community itself, the government in this case has the task of creating a conducive development climate so as to provide opportunities for businesses to provide housing and residential areas. The dynamics of the development of spatial use in the area of Pesisir Barat Regency has an impact on the occurrence of a shift in the use of space from areas that are characterized by rural areas to areas that are characterized by urban areas, increased growth of built areas and misuse of land allotment for settlements A backlog of houses can be measured from two perspectives, from the residential and ownership aspects. Home backlog from the perspective of occupancy is calculated by referring to the ideal calculation concept: 1 family occupies 1 house. The formula used to calculate the house backlog from the perspective of occupancy is: Backlog = ∑Family - ∑Home. The concept of inhabiting in the calculation of the backlog represents that each family is not required to own a house, but the Government facilitates / encourages that every family, especially those belonging to Low Income Communities (MBR), can inhabit decent homes, either by leasing / contracting, buying / inhabiting own house, or living in a house owned by a relative / family as long as security of residence (secure tenure) is guaranteed. Ownership backlog is calculated based on the home ownership rate / percentage of households (households) occupying their own home. The development of housing and settlements in Pesisir Barat Regency is caused by several factors that ultimately require a large amount of space in carrying out their activities. In determining the allocation of space for meeting housing needs, the number of housing needs in Pesisir Barat Regency is determined first. Determination of the needs for the number of houses up to 2037 is calculated from the population of the predicted year.

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