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All Journal Jurnal Ilmiah Poli Rekayasa Fondasi: Jurnal Teknik Sipil Jurnal Teknik Sipil Teras Jurnal Jurnal Ilmiah Rekayasa Sipil Borneo Engineering : Jurnal Teknik Sipil Jurnal Abdimas: Pengabdian dan Pengembangan Masyarakat

Fauna Adibroto

Polileknik Negeri Padang

Author-ID : 2411990

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Transportation

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Articles

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Eksperimen Beton Mutu Tinggi Berbahan Fly Ash Sebagai Pengganti Sebagian Semen Fauna Adibroto; Etri Suhelmidawati; Azri Azhar Musaddiq Zade
Jurnal Ilmiah Rekayasa Sipil Vol 15 No 1 (2018): Edisi April 2018
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Various research in concrete sector has been done as an effort to increase quality of concrete, materials and method, materials technology and implementation techniques obtained from the results of the experiments and experiments are intended to answer the increasing demands on the use of concrete and overcome the constraints that often occur in the implementation of work in the field. One way to increase the strength of concrete is to use a cement replacement that is fly ash.The purpose of this research is to know the influence of partial cement replacement effect with fly ash to the concrete compressive strength, in order to be applicated for rigid pavement in road design. The variations of composition in the addition of fly ash is 0%, 10%, 12.5%, 15%, 20% and 25% of the weight of cement. Concrete compressive strength is 40 MPa and tested at 7 days and 28 days. This research tested concrete with cylinder test object (diameter 150 mm and height 300 mm) with 30 sample and consist of 6 variation. From this research, optimum compressive strength at 10% variation is 30,770 MPa. The lowest compressive strength is in the 25% variation with 20,046 MPa.The highest compressive strength obtained from the research is 30.770 Mpa.

Experimental Study of Bamboo As A House Retrofitting Material For Developing Countries Etri Suhelmidawati; Rekana Zamzarena; Fauna Adibroto; Syofiardi Syofiardi
Jurnal Ilmiah Rekayasa Sipil Vol 14 No 2 (2017): Edisi Oktober 2017
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Earthquake is one of the main natural disasters which frequently occur in West Sumatra. Large earthquake September 30, 2009, has caused damage to the structure and caused many casualties. Due to this condition, this research was made to study bamboo as a house retrofitting material for developing countries. Mechanical and physical properties such as moisture content testing, testing density, testing of compressive strength and tensile strength were conducted. It is obtained from the test results, the highest compressive strength and tensile strength are 94.958 MPa and 183 MPa, showed by Betung bamboo. Shaking table test are also undertaken to investigate the seismic behavior of bamboo masonry wall. Two degree of masonry walls, 60° and 90° are tested in order to check the strength of masonry wall by direction of the coming of an earthquake. From the shaking table test, it was observed that a 60° masonry wall showed a better seismic performance than those of a 90° masonry walls. Small cracks were observed at 90° masonry walls after 20 seconds, while there was no crack at a 60° masonry wall. As a result of these test, using bamboo as a house retrofitting material could be chosen, both of technically and economically.

Analisis Variabel-Variabel Risiko pada Pelaksanaan Proyek Konstruksi Jalan Rahmi Hidayati; Monika Natalia; Fauna Adibroto; Mafriyal Mafriyal; yurisman yurisman; Rizkina Saskia
Jurnal Ilmiah Rekayasa Sipil Vol 14 No 2 (2017): Edisi Oktober 2017
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

This research aims to identify the risk variables that ever occurred while executing of road construction project. In addition, it is to identify how significant and how big the influence of risk variables to the articulation of project execution processes of a road construction project, based on questionnaire that distributed to 30 questionnaires who are project managers and site managers on contractors of road construction project. From the research data, there were identified 14 risk variables with 84 risk sub-variables on execution of road construction project. Those 14 risk variables were natural, social, politic, economic, law, occupational safety and health, managerial, technical, cultural, logistic, condition around construction site, design and technology, labor, and contractual variables. From the data analysis by using SPSS version 16, obtained there were 14 risk sub-variables which became the most influential sub-variables (indicators) to the road construction project. All sub-variables on the questionnaire are valid and reliable. The results of this research is expected to be considered for all parties involved in the construction project to pay more attention to risk variables during the execution of road construction project.

Kinerja Marshall Immersion pada Campuran Asphalt Concrete Wearing Course (AC-WC) dengan Penambahan Cangkang Sawit sebagai Substitusi Agregat Halus Mukhlis Mukhlis; Lusyana Lusyana; Enita Suardi; Fauna Adibroto
Jurnal Ilmiah Rekayasa Sipil Vol 15 No 2 (2018): Edisi Oktober 2018
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Asphalt concrete wearing courses (AC-WC) are asphalt mixtures which consist of coarse and fine aggregates plus fillers which have a continuous gradation with asphalt binder. In general, the aggregates in the AC WC mixtures consist of natural rock materials which are broken down and in certain areas the availability is limited so it must be imported from other regions. This resulted in relatively high prices from the asphalt mixture. This can be anticipated by looking for alternative aggregate substitute materials, one alternative is to use palm oil shells. In this test, palm shells were used as a substitute for fine aggregates with variations in percentage of palm shells, namely 0%, 5%, 10%, 15%, 20%, 25%, the tests were carried out namely the testing of volumetric characteristics, Marshall characteristics, determination of optimum asphalt content and Marshall immersion. From the results of the study obtained the value of Marshall Immersion decreases as the percentage of palm shells increases in the mixture.

PEMAMFAATAN CANGKANG SAWIT SEBAGAI AGREGAT KASAR PADA CAMPURAN ASPHALT CONCRETE BINDER COARSE (AC-BC) DENGAN METODE PERCENTAGE REFUSAL DENSITY (PRD). Lusyana Lusyana; Mukhlis Mukhlis; Syaifullah Ali; Fauna Adibroto; Zikri Duharmen
Jurnal Ilmiah Rekayasa Sipil Vol 16 No 2 (2019): Edisi Oktober
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

The road in west sumatera generally using flexible pavement, asphalt concrete binder course is used to hold the travic load, that’s why it is necessary to have a mixture with enough strength (Ariawan, 2007). Palm is one of nature resource which is widely available in west sumatera that produce palm oil. Pecentage refusal density is a state where asphalt mix that being compacted is much more bigger as simulation for secondary density, so when the mixture can’t be compacted anymore because of VIM refusal is decreasing result from the compacting until the ultimate state. The purpose of this research is to get the optimum bitumen content refusal with percentage refusal density method start from VIM refusal limit state ≤ 2% from the mixture with palm oil percentage 0%; 2,5%; 5%; 7,5%; 10%; 12,5%; and 15%, as the coarse aggregate substitute. The result from research show that the value of optimum bitumen content refusal from each mixture is 5,5%; 5,55%; 6,05%; 6,1%; 6,35%; 6,35%; and 6,45%. From research result, the sample of asphalt concrete binder course mixture with palm oil as substitute is satisfy the standard and can be used.

Karakteristik Marshall Campuran Asphalt Concrete Binder Course (AC-BC) Yang Mengandung Cangkang Kelapa Sawit Sebagai Agregat Kasar Syaifullah Alli; Mukhlis Mukhlis; Lusyana Lusyana; Fauna Adibroto; Enita Suardi
Jurnal Ilmiah Rekayasa Sipil Vol 16 No 2 (2019): Edisi Oktober
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

AC-BC coating is one type of hot mix asphalt with a minimum thickness of 4 cm. The most important characteristic of this mixture is the stability of the surface layer where the surface layer must be able to accept all types of work loads. As a foundation layer, the asphalt content it contains must be sufficient so that it can provide a waterproof coating. The aggregate used is rather rough compared to the surface wear layer. The aggregate requirement that dominates in the asphalt mixture makes us research what materials can be used as a mixture in the asphalt mixture. Palm oil waste provides an alternative opportunity as a material making up the asphalt mixture. The intended waste is oil palm shell which can be used as a substitute for coarse aggregate in asphalt mixture. The purpose of this study is to obtain the ACO BC mix KAO calculation without using an oil palm shell and using a palm oil shell with variations of 2.5%, 5%, 7.5%, 10%, 12.5%, and 15% as substitution of coarse aggregate and know the effect of adding palm shells to the mixture of test specimens on Marshall parameter values. Before the manufacture of test specimens, the materials are tested in advance in accordance with the 2010 Revised 3 General Specifications. 3. The addition of oil palm shells to the asphalt mixture showed an increase in KAO value. Based on the results of the study, the oil palm shell was suitable as an additive to the Asphalt Concrete-Binder Course (AC-BC) mixture because it met the requirements of the 2010 Revised 3 General Bina Marga General Specifications.Keywords: mixture of AC-BC, oil palm shells, KAO, Marshall parameters

Analisa Harga Satuan Pekerjaan Beton Bertulang Berdasarkan Analisa Pada Proyek Dan Analisa Harga Satuan Pekerjaan (AHSP) SNI 2016 Pada Proyek Pembangunan Aeon Mixed Use Project Phase II-Apartemen 3 Sentul City Bogor monika natalia; Fauna Adibroto; Desmon Hamid; Mafriyal Muluk; Rahma Dinna
Jurnal Ilmiah Rekayasa Sipil Vol 16 No 2 (2019): Edisi Oktober
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Hasil analisa biaya pekerjaan beton bertulang pada kolom, balok, dan pelat lantai sesuai dengan analisa pihak kontraktor dengan menggunakan metoda Budgeted Cost of Work Performed didasarkan pada laporan harian proyek, estimasi pekerja dan alat yang digunakan sesuai dengan kondisi lapangan didapatkan Rp. 2.899.987.012,-. Hasil perhitungan estimasi biaya pekerjaan beton bertulang pada kolom, balok, dan pelat lantai dengan menggunakan metoda AHSP SNI 2016 menggunakan software Microsoft Excel didapatkan sebesar Rp.4.872.399.540,34,-. Selisih biaya total pekerjaan beton bertulang pada kolom, balok, dan pelat lantai kedua metode ini adalah sebesar Rp.1.972.412.528,-. Penggunaan estimasi biaya pihak kontraktor dengan menggunakan metoda Budgeted Cost of Work Performed didapatkan hasil yang lebih rendah dari pada analisa AHSP SNI 2016.

Pemanfaatan Cangkang Sawit Sebagai Subtitusi Agregat Kasar Pada Beton Perkerasan Kaku Untuk Jalan Lalu Lintas Rendah Mukhlis. M; Fauna Adibroto; Lusyana. L; Syaifullah Ali; Dwina Archenita
Jurnal Ilmiah Rekayasa Sipil Vol 17 No 2 (2020): Oktober 2020
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.12.2.406

Agregat pada pekerasan kaku merupakan komponen yang sangat penting, namun tidak semua daerah memiliki bahan tersebut, sehingga terpaksa didatangkan dari daerah lain yang mengakibatkan biaya perkerasan kaku tersebut relatif semakin tinggi. Penelitian ini bertujuan mencari agregat alternatif dengan pemamfaatan limbah cangkang kelapa sawit ( tertahan #4,75) sebagai subtitusi agregat kasar1-2 pada campuran beton perkerasan jalan kaku lalu lintas rendah. Penelitian ini direncanakan campuran beton perkerasan kaku dengan komposisi cangkang kelapa sawit sebagai subtitusi sebagian agregat kasar yaitu CKS-0%, CKS-2,5%, CKS-5%, CKS-7,5%, dan CKS-10%. Pada pengujian dibuat tiga benda uji untuk lima variasi cangkang kelapa sawit. Benda uji untuk berbentuk silinder dengan tinggi 300 mm dan diameter 150 mm ini diuji ketahanannya terhadap tekan (f’c) pada umur beton 28 hari dan dikonversikan ke kuat tarik lentur (fcf). Berdasarkan SNI 8457:2017 syarat minimal mutu beton jalan lalu lintas rendah dengan f’c;21.8 MPa dan fcf;3.5 MPa. Hasil pengujian menujukkan campuran beton CKS-5%( f’c;23.33 MPa, fcf;3,6 MPa) dapat digunakan pada perkerasan kaku untuk jalan lalu lintas rendah dibanding campuran beton CKS-2.5%( f’c;14.43 MPa, fcf;2.85 MPa), CKS-7.5%( f’c;17.70 MPa, fcf;3.16 MPa) dan CKS-10%( f’c;12.86 MPa, fcf;2.69 MPa). Jika dibanding dengan campuran beton CKS-0%( f’c;23.97 MPa, fcf;3,7 MPa) dengan CKS-5% ( f’c;23.33 MPa, fcf;3,6 MPa) mengalami penurunan f’c dan fcf sebesar 2.7% dan 1.4%. Pengunaan cangkang kelapa sawit CKS-5% dapat mengurangi pemakaian agregat kasar ukuran 1-2 sebesar 69 Kg/m3.

Perencanaan Tebal Perkerasan Kaku Dengan Beton Mutu Tinggi (Menggunakan Fly Ash) Etri Suhelmidawati; Fauna Adibroto; Syaifullah Ali; Dwina Archenita; Azri Azhar Musaddiq Zade
Jurnal Ilmiah Rekayasa Sipil Vol 18 No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v18i1.411

Berbagai penelitian dan percobaan dibidang beton dilakukan sebagai upaya untuk meningkatkan kualitas beton, teknologi bahan dan teknik-teknik pelaksanaan yang diperoleh dari hasil penelitian dan percobaan tersebut dimaksudkan untuk menjawab tuntutan yang semakin tinggi terhadap pemakaian beton serta mengatasi kendala-kendala yang sering terjadi pada pelaksanaan pekerjaan di lapangan. Salah satu cara untuk meningkatkan kekuatan beton adalah dengan menggunakan pengganti semen yaitu abu terbang. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penggantian sebagian semen dengan abu terbang terhadap mutu kuat tekan beton dalam aplikasinya pada perencanaan tebal perkerasan kaku dengn beton mutu tinggi. Komposisi variasi penambahan abu terbang sebanyak 0%, 10%, 12,5%, 15%, 20% dan 25% dari berat semen. Mutu beton yang direncanakan 40 MPa yang diuji pada umur 7 hari dan 28 hari. Penelitian ini menguji beton dengan benda uji selinder (diameter 150 mm dan tinggi 300 mm) sebanyak 30 sampel dan terdiri dari 6 variasi. Dari penelitian ini didapatkan kuat tekan optimum pada variasi 10% yaitu sebesar 30,770 MPa. Kuat tekan yang terendah terdapat pada variasi 25% yaitu sebesar 20,046 MPa.Kuat tekan tertinggi yang didapat dari penelitian yaitu 30,770 MPa kemudian digunakan dalam perencanaan tebal perkerasan kaku metoda Bina Marga. Perkerasan kaku yang direncanakan berlokasi di STA 0+000 - STA 5+000 Bypass Kota Padang. Dari hasil perhitungan tebal perkerasan didapatkan tebal slab beton adalah 210 mm dengan jenis beton bersambung dengan tulangan. Total anggaran biaya yang dikeluarkan dari perencanaan tebal perkerasan kaku ini adalah senilai Rp.41.200.700.000,00 (Empat Puluh Satu Milyar Dua Ratus Juta Tujuh Ratus Ribu Rupiah).

Co-Authors Ahmad Fauzi Azri Azhar Musaddiq Zade Azri Azhar Musaddiq Zade Bambang Ismanto Siswosoebrotho Desmon Hamid Dwina Archenita Enita Suardi Etri Suhelmidawati Etri Suhelmidawati Ivan Padilah Jajang Atmaja Mafriyal Mafriyal Mafriyal Muluk Mukhlis Mukhlis Natalia, Monika Nurul Hidayah Rahma Dinna Rahmi Hidayati Rekana Zamzarena Rizkina Saskia Satwarnirat - Syaifullah Ali Syaifullah Ali Syaifullah Alli Syofiardi - Syofiardi Syofiardi Yurisman Yurisman Zikri Duharmen Zulfira Mirani

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