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All Journal Inersia : Jurnal Teknik Sipil Abdi Reksa Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development
Agustin Gunawan
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Engineering Mechanical Engineering Social Sciences

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 1 
PERILAKU TEKUK (BUCKLING) PADA BAMBU PETUNG BENTUK BILAH AGUSTIN GUNAWAN
Inersia: Jurnal Teknik Sipil Vol 1, No 2 (2010)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (685.181 KB) | DOI: 10.33369/ijts.1.2.1-9

Abstract

The Compressed bar at the frame, columns, and other structures is always probably happened buckling. The experiment is conducted to investigate the behavior of buckling at the bar of lath shaped bamboo petung and the buckling strength of  the experiment result with the theory result (the equation of tetmayer and euler, proposal of morisco, and atrops (D/T=0)). In the research, it is conducted testing of the mechanic character of bamboo and wood specimens, testing of resin, and buckling testing  with the compressed testing principle. The testing result showed that buckling happened at the lath shaped bamboo petung is influenced by the length of bar, the resin strength, and the quality of work.   The buckling stress of the experiment result was higher than  the result of  morisco proposal, but it’s less than the result of tetmayer and atrops (D/T=0), so that  the equation of  morisco proposal is safe to used at the compressed bar design.
STUDI PERBANDINGAN ANALISIS KOLOM BETON BERTULANG BERBENTUK + (PLUS-SHAPED COLUMN) DENGAN KOLOM BERBENTUK PERSEGI Bob Ramosta; Mukhlis Islam; Ade Sri Wahyuni; Agustin Gunawan; Yuzuar Afrizal
Inersia: Jurnal Teknik Sipil Vol. 15 No. 2 (2023)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/ijts.15.2.154-163

Abstract

Penelitian ini membahas tentang studi perbandingan analisis kolom dengan variasi bentuk penampang kolom yang berbeda antara kolom + (Plus–shaped column)dan kolom beton bertulang berbentuk persegi. Penelitian ini bertujuan untukmenganalisis seberapa besar pengaruh perubahan bentuk kolom terhadap kekuatanstruktur kolom. Perhitungan ini terdiri dari 120 sampel dengan perbedaan mutubeton (fc’), rasio tulangan dan dimensi kolom pada masing-masing sampel.Analisis perhitungan kolom menggunakan hubungan diagram tegangan reganganHognestad. Hasil penelitian, semakin besar rasio tulangan maka selisih nilai Mnkolom + (Plua-shaped column) dan kolom persegi untuk tiap luasan, semakinbesar. Semakin besar rasio tulangan maka selisih nilai Pn kolom + (Plus-shapedcolumn) dan kolom persegi untuk tiap luasan semakin kecil.Kata kunci : kolom beton bertulang, kolom + (Plus-shaped column), rasio tulangan, kapasitas kolom.
Peningkatan Kreatifitas Ibu Rumah Tangga Dalam Pemanfaatan Sampah Kemasan Plastik Menjadi Produk Berguna di Kelurahan Sawah Lebar Baru Kota Bengkulu Fepy Supriani; Agustin Gunawan; Yuzuar Afrizal
Abdi Reksa Vol. 5 No. 1 (2024)
Publisher : UNIVERSITAS BENGKULU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/abdireksa.5.1.111-116

Abstract

Penggunaan produk-produk kemasan plastik dalam rumah tangga menyisakan sampah yang sulit terurai dengan tanah dan jika dibakar akan memberikan polusi udara yang berbahaya. Dalam menumbuhkan kepedulian terhadap lingkungan serta peningkatan kreatifitas masyarakat maka diperlukan pembekalan keterampilan berupa kerajinan tangan yang mampu mengolah sampah plastik menjadi barang berguna yang memiliki nilai tambah dan nilai jual. Tujuan program adalah peningkatan pemahaman, kreatifitas dan kemampuan kewirausahaan dalam pemanfaatan sampah kemasan plastik dan diharapkan meningkatkan perekonomian dan sosial keluarga. Kelompok ibu rumah tangga melalui TIM PKK (Penggerak kesejahteraan Keluarga) diharapkan dapat menjadi garda depan memastikan edukasi tentang sampah dapat diterapkan dimasyarakat. Tim pengabdian FT UNIB 2023 melakukan sosialisasi dan pendampingan dengan mendatangkan pihak yang telah berhasil mengolah kemasan sampah plastik menjadi barang yang bernilai ekonomis. Kegiatan dimulai dengan berkoordinasi dengan pihak Kelurahan Sawah Lebar Baru dan ibu-ibu TIM PKK, sosialisasi pengumpulan sampah kemasan plastik sebagai bahan utama pembuatan barang berguna, seperti tas, tempat air mineral, keranjang. Melakukan pemisahan sampah plastik berdasarkan jenis, warna dan tebal. Selanjutnya melibatkan komunitas peduli lingkungan yang memberikan pelatihan pembuatan barang berguna dari limbah kemasan plastik. Hasil yang didapat melalui melalui Pengabdian FT UNIB, yaitu menambah pengetahuan tentang pengolahan sampah kemasan plastik, memberikan dan menambah keahlian dalam membuat kerajinan yang bernilai ekonomis, peningkatan kreatifitas dan pembentukan kader pemanfaat sampah di Lingkungan kelompok Rukun Tetangga (RT) melalui tim penggerak PKK kelurahan. Anggota kelompok kedepannya diharapkan bisa memanfaatkan limbah rumah tangganya khususnya sampah kemasan plastik menjadi barang yang bisa dimanfaatkan dan memiliki nilai ekonomis. Kata kunci: Kreatifitas, Keterampilan, Sampah Kemasan Plastik, Kewirausahaan
OPTIMASI WAKTU DAN BIAYA PROYEK KONSTRUKSI GEDUNG DENGAN METODE TIME COST TRADE OFF (Studi Kasus Proyek Non Struktur Gedung Perkantoran Tiga Lantai Tahap Lanjutan di Kota Bengkulu) Iqbal Alfayed; Fepy Supriani; Agustin Gunawan
Inersia: Jurnal Teknik Sipil Vol. 16 No. 1 (2024)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/ijts.16.1.29-41

Abstract

  The research objective was to analyze the most optimal time and cost between the additional of overtime and labor. The data used in this study is from the construction project data of a three floors office building advanced stage in Bengkulu City with non structural groups of work. Research began with project network arrangement and critical path identification using Microsoft Project program, the selected critical activity resources then added with  overtime and labor by the Time Cost Trade Off method. The results of the critical path identification showed that there are three critical jobs namely walls plastering  1 : 4 thickness 15 mm, anti-fungal exterior painting and wallpaper that selected to be accelerated in order to shorten the total duration of the critical path. The results showed that the addition of one hour of overtime for the first three days of each critical job accelerated the duration of work by 8.24%, and saved costs by 1.77%. The addition of labor of a worker and a handyman on  walls plastering  1 : 4 thickness 15 mm and anti-fungal exterior painting jobs, as well as one handyman on wallpaper job is known to accelerate the duration by 8.24%, and save costs by 0.61%. The addition of overtime results the most optimal time and cost by accelerating the duration for 7 days (8.24 %), and saving the total cost of Rp. 4.245.237,92 (1.77%)  
THE Sosialisasi Pengetahuan dan Pemahaman Ilmu Oli Mesin untuk Masyarakat Desa Lokasi Baru, Kecamatan Air Periukan, Kabupaten Seluma, Provinsi Bengkulu Angky Puspawan; Agustin Gunawan; Fepy Supriani; Hardiansyah
Dharmakayana Vol 1 No 2 (2024): November : Dharmakayana: Journal of scientists, engineers, educators and scientif
Publisher : Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dk.v1i2.38916

Abstract

Engine oil is widely found in the remote village in many types of oil for engines. The more alternative engine oil products there are, the more choices of engine oil that are appropriate, correct, valid, and ideal. Many standards are referred such as SAE, API Service, and JASO. Buyers are not free to choose engine oil according to their wishes. Apart from that, there are also many fake engine oils circulating. Therefore, efforts are needed to overcome this problem. One way is to provide basic knowledge and understanding to villagers in choosing valid and correct types of engine oil based on engine characteristic specifications. The selection of valid and correct engine oil according to engine specifications in order to prevent and maintain engines from damage is the focus of community service. Strategies and methods in selecting valid and correct engine oil according to specifications are solutions in maintaining and caring for engines
Co-Authors Ade Sri Wahyuni Angky Puspawan Bob Ramosta FEPY SUPRIANI Fepy Supriani Hardiansyah Iqbal Alfayed MUKHLIS ISLAM Yuzuar Afrizal