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Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Published by Universitas Muhammadiyah Palembang
ISSN : 20856261     EISSN : 26231409     DOI : https://doi.org/10.32502/jbearing.v5i4
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
BEARING is a research journal and study in civil engineering that presents research results in the fields of building and structural engineering, transportation, water resources engineering and management, geotechnical engineering, infrastructure management, and environmental engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 174 Documents
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ANALISA PRODUKTIVITAS ALAT GALI MUAT DAN ALAT ANGKUT PADA PENGUPASAN LAPISAN TANAH PENUTUP (OVERBURDEN) Oemiati, Nurnilam; Revisdah, Revisdah; Rahmawati, Rahmawati
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 3 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2842202063

Abstract

Salah satu kegiatan pertambangan batubara adalah pengupasan lapisan tanah penutup (overburden) yang diawali dengan penggalian dan pengangkutan menuju area penimbunan (disposal). Lapisan tanah penutup dipindahkan dari lokasi penggaliam (front) menuju disposal memerlukan alat mekanis berupa alat muat Excavator dan alat angkut Heavy Duty. PT. Satria Bahana Sarana memiliki target produksi yang diberikan kepada subkontraktor, sehingga perlu dilakukan analisa produktivitas alat muat dan alat angkut pada pengupasan lapisan tanah penutup lokasi PIT I utara Banko Barat.Persentase ketercapaian target produktivitas berdasarkan rencana pengupasan lapisan tanah penutup (Overburden) sebesar 600 Bcm / Jam. Sedangkan berdasarkan hasil perhitungan kombinasi kerja alat muat dan alat angkut didapat, pada alat muat Excavator sebesar 90% (540,205 Bcm / Jam) sedangkan alat angkut HD sebesar 48,95% (293,727 Bcm / Jam) dari target Hasil produksi berdasarkan perhitungan kurang dari target produksi yang direncanakan. Penyebab tidak tercapainya target produksi adalah mekanisme penyiapan lokasi, pengaruh penyiapan lokasi dan pengaruh keserasian jumlah alat.Dari hasil pengamatan di lapangan dan hasil perhitungan faktor keserasian antara excavator dan heavy duty didapat bahwa hasil MF sebesar 0,642 < 1, artinya alat muat excavator bekerja kurang dari 100% sedangkan alat angkut heavy duty bekerja 100%, sehingga terdapat waktu tunggu bagi alat muat. Dengan demikian jika dilakukan optimasi terhadap kerja efektif alat tersebut, evaluasi jam kerja dan penambahan jumlah excavator dan heavy duty dapat meningkatkan hasil produksi sehingga target dapat terpenuhi.
PENGARUH PENAMBAHAN ABU AMPAS TEBU DAN ABU CANGKANG SAWIT DENGAN BENDA UJI SILINDER TERHADAP KUAT TEKAN BETON F’C 24,9 MPA” Rivai, Masri A; Bahri, Zainul; Yudhatama, Aziiz
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 4 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.3219202064

Abstract

The use of additional materials as a mixture in the manufacture of concrete is progressive. The materials used are also increasingly varied, depending on the expected results, the added material that will hopefully achieve the expected quality of the concrete is f'c 24.9 MPa This research aims to increase the percentage of concrete increase in the percentage of addition of sugar cane dust and palm shell ash.This research uses cylindrical specimens with a total of 42 specimens consisting of 2.5% and 5% bagasse ash and 0, 2.5%, 5%, 7.5%, and 10% palm shell ash as materials. alternative to the strength of the compressive strength test concrete for 28 days.Based on the results of testing the compressive strength of cylindrical concrete, it is concluded that the increase in compressive strength is the largest. can be obtained 5% bagasse ash and 5% palm shell ash with a characteristic value of f'C 26.31 Mpa for 28 daysKeywords: Concrete, bagasse ash, palm shell ash, compressive strength
ANALISA KONDISI KERUSAKAN JALAN KABUPATEN TANJUNG API-API – GASING BERDASARKAN METODE SDI Marpen, Rio
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 7, No 1 (2021): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.3632202171

Abstract

One of the potential roads in South Sumatra Province is the Tanjung Api-Api - Gasing road. So that good maintenance is needed so that community activities can run smoothly. In this study, the method used to evaluate the level of damage to the Tanjung Api-Api - Gasing road section is the Surface Distress Index (SDI) method. The purpose of this research is to carry out an inventory of current conditions and build a database or geodatabase for the Tanjung Api-api - Gasing district road. Based on the results of the field survey, the entire road width is 4 m and uses rigid pavement. Field survey observations, some field conditions are not good. Where there are still some segments that have a rough arrangement with a detached state. There are some fixes in the form of patches. On roads there is no decline that occurs. The results of the SDI analysis carried out can be concluded that there are 3 segments that are heavily damaged and 1 segment in moderate condition, while the other segments are still in good condition.Key Words : SDI (Surface Distress Index), Rigid Pavement, Tanjung api-api Gasing
Studi Kasus Kelongsoran Ruas Jalan Lahat SP. Air Dingin KM 229+000 Menggunakan Program Plaxis Arfan, Muhammad; Setiawati, Mira
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 2 (2019): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2827201962

Abstract

Penelitian ini memfokuskan kajian terhadap sloep stability terhadap ruas jalan Lahat SP. Air Dingin KM. 229+000 mengingat bahwa kelongsoran yang terjadi diruas jalan cukup terjal. Untuk mengetahui parameter tanah peneliti melakukan korelasi data N-SPT menggunakan metode Rankin dan Program PLAXIS 8.2 (metode Elemen Hingga) peneliti melakukan VII permode permodelan I dengan Nilai Safety Factor 1,2793, permodelan II dengan Nilai Safety Factor l,5595, permodelan III dengan Nilai Safety Factor 1,5703, permodelan IV dengan Nilai Safety Factor 1,5696, permodelan V dengan Nilai Safety Factor 1,2873, permodelan VI dengan Nilai Safety Factor 1,7255 dan permodelan VII dengan Nilai Safety Factor 2,0789. Jadi angka keamanan yang paling aman untuk retening wall adalam permodelan VII dengan diameter 80cm kedalaman 18m angka safety factor 2,0789.Key Words : Longsor,Tiang Pancang,Retening Wall, Plaxis
MUATAN SEDIMEN DASAR (BED LOAD) PADA MUARA SUNGAI SEKANAK KOTA PALEMBANG Andayani, Reni; Umari, Zuul Fitriana
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 3 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2836202063

Abstract

Sungai Sekanak berada pada posisi strategis didekat daerah wisata Benteng Kuto Besak dan padat aktifitas seperti pasar, menimbulkan masalah baru pada Sungai Sekanak seperti, pendangkalan akibat sedimentasi, dimana sedimentasi ini merupakan proses pembentukan atau pengendapan material sedimen. Penelitian ini dilakukan di Muara Sungai Sekanak dengan tujuan untuk menganalisis besar debit sedimen dasar. Sampel sedimen diambil dengan alat Water Sampler, selanjutnya dilakukan pengujian analisis ayak sedimen dan analisis berat jenis sedimen di laboratorium Mekanika Tanah Universitas Tridinanti. Dengan menggunakan data peta lokasi, curah hujan, morfologi sungai, dan hasil pengujian laboratorium, selanjutnya dihitung muatan sedimen dasarnya dengan menggunakan metode Frijlink. Hasil penelitian menunjukkan bahwa debit sedimen di muara Sungai Sekanak sebesar 3.0x10-5 m3/dt/m.
ANALISA KEHILANGAN AIR IRIGASI DI DESA KOTA NEGARA KECAMATAN MADANG SUKU II KABUPATEN OKU TIMUR Jonizar, Jonizar; Bahri, Zainul; Myka, Adof
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 3 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2838202063

Abstract

In the irrigation water network in the city village of Negara sub-district of Madang, Suku II, East Oku Regency experienced a significant loss of irrigation water. From the observation site, it is caused by the number of channels that have broken and broken conditions, the growth of wild plants in the walls of the channel and a lot of garbage that has accumulated in the channel and evaporation in the summer. The purpose of this research is to find out how much the loss of irrigation water in the secondary channel starting from the building tapping BGT1 to BGT4 In the liquid that flows in the channel made of concrete over time the channel will be damaged, overgrown with a lot of wild plants because of damage and the other channel will cause water loss during drainage. The source of the data is obtained based on the results of the field survey, primary data and secondary data are obtained.Based on the analysis results, the largest irrigation water loss on the first day in the morning was 0.325 m³ / s, on the sixth day in the afternoon it was 0.332 m³ / s, on the seventh day in the afternoon it was 0.184 m³ / s. The smallest irrigation water loss on the fifth day in the morning was 0.128 m³ / s, the fifth day in the afternoon was 0.129 m³ / s, and the first day in the afternoon was 0.02 m³ / s. The average water loss occurred on the second day with results obtained in the morning of 0.297 m³ / s, in the afternoon amounting to 0.322 m³ / s, and in the afternoon amounting to 0.184 m³ / s.
ANALISA PENGARUH PENGGUNAAN BAHAN STABILISASI TANAH TERHADAP KUAT TEKAN BATU BATA PASCA PEMBAKARAN Oemiati, Nurnilam
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 3 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2843202063

Abstract

Batu bata merupakan bahan konstruksi yang banyak dipergunakan dalam konstruksi. Untuk itu perlu ditambahkan bahan tambah yang bertujuan untuk menambah kekutannya yaitu zeolit. Dari zeolit ini dapat diketaui pengaruh perubahan sifat mekanik batu-bata melalui uji susut bakar dan uji kuat tekan.Digunakan sampel tanah tanah lempung yang berasal dari daerah kelurahan Talang Betutu. Sampel batu-bata berukuran panjang 23 cm, lebar 11cm, dan tinggi 5 cm. Variasi penambahan zeolit adalah 0%, 7%, 9%, 11% dan 13%.Nilai susut bakar minimum terjadi pada zeolit 13% sebesar 21,22% dan nilai kuat tekan optimum sebesar 53,97 kg/cm² dicapai pada umur 14 hari saat pendiaman campuran selama 5 hari.
PENGARUH PENAMBAHAN ABU SEKAM PADI PADA PEMBUATAN BATU BATA TERHADAP KUAT TEKANNYA Ayat, Matsyuri
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 4 (2020): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.3220202064

Abstract

The use of bricks in the world of construction, both as structural and non-structural elements, cannot be replaced. This can be seen from the many construction projects that use bricks as walls in building and housing construction, fences, channels, and foundations. Bricks are made from a mixture of soil and water. In this study, the process of making bricks will be tried to mix the soil with the additional material of rice husk ash to determine the effect of changes in the mechanical properties of the bricks in terms of the shrinkage test and compressive strength test. The soil sample used is a type of clay soil originating from Suakarsa Village, Teluk Gelam District, Ogan Komering Ilir Regency. This study used a sample of block-shaped bricks with a length of 19.5 cm, a width of 9.5 cm, and a height of 9 cm. The variations in the composition of rice husk ash added were 0%, 3%, 4%, 5% and 6%. The addition of rice husk ash with a composition percentage of 3% to 6% can affect the mechanical properties of the bricks, namely reducing burnt losses and increasing the compressive strength of the bricks. The minimum burn value was achieved in the percentage of rice husk ash with a variation of 6%, namely by 37.55% burn loss. The optimum compressive strength value is achieved in the percentage of rice husk ash with a variation of 3% with 14 days of age, the compressive strength value is 76.88 Kg / cm². Key Words : Bricks, Rice Husk Ash, Compressive Strength.
KARAKTERISTIK TANAH TIMBUN SEBAGAI PENGGANTI SUBGRADE DI LAHAN GAMBUT Srihandayani, Susy; Mazni, Deni Irda
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 7, No 1 (2021): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.3633202171

Abstract

Soil is the most important material as the base in construction. Soil is also used as landfill material on peatlands in the field of Civil Engineering work such as the subgrade, backfill, and dams. Landfill soil as a substitute for subgrade on peatlands (such as in Dumai city) has characteristics that are following existing regulations. The characteristics of peat soil are low bearing capacity, high compressibility, very high water content, and high void ratio. Therefore it is necessary to improve the land in peat soil areas. One of the improvements is to replace it with soil that has adequate carrying capacity potential. For the city of Dumai city, the materials were taken in 3 Quarry areas, namely Ex. Balai Raja Duri, Ex. Bukit Kapur dan Ex. Ujung Tanjung. It is necessary to investigate the landfill soil such as its physical and mechanical properties which are tested in the soil mechanics laboratory. In laboratory testing, soil samples are taken to a depth of approximately 50 cm from the soil surface (for undisturbed samples). Among the results of the laboratory tests, the water content values (17.85%, 21.4%, and 20%); void ratio (1.03; 1.46; and 1.63); plasticity index (13.96; 8.09; 9.6), respectively for Quarry Ex. Balai Raja Duri, Ex. Bukit Kapur dan Ex. Ujung Tanjung and CL soil classification for the 3 Quarry. So it can be concluded that the 3 Quarry is suitable to be used as a substitute for subgrade on peatlands.Keywords: Soils, Subgrade, bearing capacity
ANALISA PENGARUH PENAMBAHAN ABU SISA PEMBAKARAN BATU BATA TERHADAP KUAT LENTUR BETON Oemiati, Nurnilam; Junaidi, A
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 6, No 2 (2019): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.2828201962

Abstract

Di daerah Talang Betutu banyak terdapat abu sisa pembakaran batu bata yang menjadi limbah. Penelitian ini mencoba untuk memanfaatkan limbah tersebut yang dipakai sebagai bahan tambah pembuatan beton. Pada penelitian ini menggunakan benda uji berbentuk balok dengan ukuran 15cm x 15cm x 60cm sebanyak 8 benda uji, mempunyai 4 variasi, dengan penambahan abu sisa pembakaran batu bata 0 %, 5% , 7,5 %, 10% dalam penelitian ini menggunakan variasi umur 28 hari. Hasil uji kuat lentur rata-rata pada umur 28 hari menunjukkan bahwa beton normal sebesar 48,54 kg/cm2, beton normal + abu sisa pembakaran batu bata 5% sebesar 43,85 kg/cm2, beton normal + abu Sisa pembakaran batu bata 7,5 % sebesar 41,74 kg/cm2, dan beton normal + abu sisa pembakaran batu bata 10% sebesar 38,27 kg/cm2. Terlihat bahwa abu sisa pembakaran batu bata tidak meningkatkan kuat lentur beton.Key Words : Kuat Lentur Beton, abu sisa pembakaran batu bata

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