ANALISIS PENGARUH SIFAT MEKANIK BATUAN TERHADAP KEMAMPUGARUAN BULLDOZER DAN K…

PT. Berau Coal is one of the mining companies in Indonesia, which is engaged in coal mining. This research was conducted in pit q. block prapatan at the site of binungan mine operation 1. The condition of the bulldozer ripper tool has experienced many breakdowns so the PA plan of the D10T-2 bulldozer is not on target which makes the production of overburden material ripping not achieved. As in …

ANALISIS HEAD LOSS PIPA DENGAN VARIASI MATERIAL PIPA DAN VARIASI DIAMETER PIP…

Pipa sering digunakan dalam berbagai industri, komersial, dan rumah tangga untuk mengalirkan cairan. Untuk mencapai tingkat produksi yang efisien dan biaya produksi yang rendah, penting untuk mengoptimalkan penggunaan energi. Saat cairan mengalir melalui pipa, gesekan antara cairan dan pipa dapat menyebabkan kerugian tekanan..Penelitian ini bertujuan untuk menganalisis pengaruh material dan dia…

ANALISIS MODEL MATEMATIKA PADA PENERAPAN SISTEM BLENDING BATUBARA UNTUK MEMEN…

PT Bukit Asam, Tbk has various types of coal with different qualities. As a result of this, the company has made coal blending effort so that the coal sold is in accordance with the specifications or contracts that have been approved. PT Bukit Asam Tbk. The Tarahan Port Unit has received a coal export request for MV. Xie Hai Yong Xin from China with the market brand type BA50 and a total tonnag…

PENGARUH KETERDAPATAN ATRIBUT CLEAT TERHADAP PERMEABILITAS BATUBARA PADA AREA…

The research was conducted at PIT BME in the work area of PT. Ansaf Inti Resources with scope limited to seam c and seam d. The purpose of this research is to find out how the influence of the cleat attribute and its relation to coal permeability. The research method used includes literature study, field observations in the form of measuring cleat attributes (orientation, spacing, aperture, den…

ANALISIS FINANSIAL TAMBANG ANDESIT UNTUK MENCAPAI TARGET PRODUKSI 225.000 BCM…

PT Bima Shabartum Wijaya is a company that will invest in andesite mining project in Damarpura Village, South Ogan Komering Ulu Regency, South Sumatra, which is targeted in 2023. In making an investment, it is necessary to analyze the investment and economic feasibility of mining. This economic analysis aims to assess whether this investment is feasible or not based on its economic level. The r…

Construction Materials

Construction Materials is a comprehensive textbook covering all raw materials and products related to the construction processes, and not only those applied to building structures. The book is organized to help readers achieve competent knowledge about construction materials. At the beginning of the book the author offers the general concepts, definitions, and standards adopted worldwide…

ANALISIS PEMANFAATAN BAUKSIT UNTUK MEMENUHI KEBUTUHAN PEMBUATAN SEMEN GEOPOLI…

Bauksit merupakan hasil proses pelapukan dari batuan granit yang di dalamnya terkandung bebagai mineral, salah satunya mineral boehmit (Al2O3) yang merupakan salah satu bahan yang digunakan dalam bahan baku pembuatan semen geopolimer. Untuk kadar Al2O3 dalam pembuatan semen geopolimer menurut Muchtar Aziz, Azahri (2014) yaitu 65,23%. Umumnya kadar Al2O3 hasil tambang tidak sesuai atau tidak men…

ANALISA KARAKTERUSTIK DAN MODEL PESEBARAN LAPISAN BATUBARA PADA PT BATUALAM S…

The study was located in Gumay Talang District, Lahat Regency, South Sumatra. The research location is located in the South Sumatra Basin and is included in the Muaraenim Formation (Tmpm). The study was conducted to determine the characteristics and distribution patterns of coal seams at the location. The methods used in this study are well logging and startmodel methods. Lithology found at the…

KAJIAN TEKNIS PRODUKTIVITAS ALAT GALI MUAT DAN ALAT ANGKUT PADA KEGIATAN PENA…

PT. Ulima Nitra, Tbk is a coal mining company located in Muara Enim, South Sumatra. Coal mining activities are carried out using digging and loading equipment in the form of 1 unit of Volvo EC480DL excavator and 1 unit of Komatsu PC850 excavator. And hauling equipment in the form of UD Quester CWE280 dump trucks as many as 13 units. The coal production target in 2021 is 1.553.000 tons/year, but…

Carbon Footprint Case Studies

Global warming and its effects are felt and understood by almost every one across the globe now. Carbon footprint calculation and mitigation in different industrial sectors is the need of the hour. There are numerous industrial sectors, whose carbon footprints need to be calculated and the ways to mitigate the greenhouse gas emissions from those sectors need to be started with immediate effect.…

ANALISIS PERBANDINGAN SIMPANGAN LATERAL DAN VOLUME MATERIAL ANTARA VARIASI BA…

In the concrete’s buildings with large spons , the using of the ordinary structure system will create the dimensions of the beam , column , and plate are large so that the building be disproporlionale . Therefore, the waffle slab structure system w as developed. Waffle slab is crossed beam system that is used to increase the stiffness of the plate , so that the smaller the deflection occurs ,…

Deep Eutectic Solvents for Medicine, Gas Solubilization and Extraction of Nat…

Initially considered as a sub-class of ionic liquids, eutectic mixtures are formed by mixtures of low cost, often biodegradable Lewis or Bronsted acids and bases. Eutectic mixtures have gathered a growing scientific interest by the academic and industrial communities as they are interesting for many applications ranging from metal processing to biomass treatment or pharmaceuticals. This volu…

PEMANFAATAN LIMBAH KARET BAN LUAR 6% DAN 12% SERTA FLY ASH 5% SEBAGAI MATERIA…

Berdasarkan penelitian para ahli lingkungan perkembangan jumlah limbah yang sangat pesat saat ini mempunyai dampak negative yang sangat besar terhadap rusaknya ekosistem kita saat ini.Limbah ban luar bekas kendaraan merupakan limbah yang dapat merusak lingkungan dan harus ditanggapi dengan serius karena jumlahnya terus bertambah seiring dengan bertambahnya jumlah kendaraan. Begitu juga dengan f…

Metal and Metal Oxides for Energy and Electronics

Energy is a key world issue in the context of climate change and increasing population, 'calling for alternative fuels, better energy storage, and energy-saving devices. This books reviews the principles and applications of metals and metal oxides for energy, with focus on batteries, electrodes, nanomaterials, electronics, supercapacitors, biofuels and sensors.

ANALISA PENGENDALIAN PERSEDIAAN MATERIAL DENGAN MENGGUNAKAN METODE ECONOMIC O…

Proyek pembangunan SMA Negeri 2 Palembang bahan/material yang sangat banyak. Untuk menjamin ketersediaan bahan/material tersebut perlu dilakukan pengendalian atas tiap-tiap bahan/material yang dibutuhkan. Terkadang terdapat kendala-kendala baik dalam penyediaan material maupun penyimpanan material. Melalui manajemen pengendalian material yang baik dan efisien diharapkan dapat mengatur dan mengo…

PENGARUH VARIASI ARUS LAS DAN POLA PENGELASAN PADA KAMPUH V TERHADAP KEKUATAN…

PENGGUNAAN ARUS PENGELASAN DAN POLA PENGELASAN DAPAT MEMPENGARUHI KEKUATAN TARIK HASIL PENGELASAN. PENGGUNAAN ARUS LAS DALAM PROSES PENGELASAN SEMAKIN BESAR DAERAH LELEH DAN ARUS PENGELASAN MAKA SEMAKIN BESAR KEKUATAN TARIK DAN REGANGAN TARIK. PADA PROSES PENGELASAN ADA GERAKAN YANG DIGUNAKAN DALAM MENGAYUNKAN ELEKTRODA. PENELITIAN INI MENGGUNAKAN METODE EKSPERIMEN YANG MENCAKUP PROSES PENGELAS…

PENGARUH JENIS MATERIAL TERHADAP TEKANAN UDARA RESERVOIR PADA TUNGKU PEMANAS …

Reservoir is a vessel or storage container that is used as a storage pressure resulting from the evaporation of a liquid. In its use the reservoir building material must be a good material in order to produce maximum results. This research is an experimental research which aims to determine the effect of the type of reservoir material, namely aluminum material, steel material and stainless stee…

Design and Computation of Modern Engineering Materials

The idea of this monograph is to present the latest results related to design and computation of engineering materials and structures. The contributions cover the classical fields of mechanical, civil and materials engineering up to biomechanics and advanced materials processing and optimization. The materials and structures covered can be categorized into modern steels and titanium alloys, com…

STUDI PENGARUH PENGGUNAAN SERBUK KULIT KERANG TERHADAP KARAKTERISTIK PERKERAS…

Perkerasan kaku (rigid pavement) yang menggunakan material beton dirancang untuk memikul beban kendaraan pada jalan itu sendiri. Dalam penelitian ini digunakan serbuk kulit kerang, sebagai bahan baku campuran dalam pembuatan beton untul lapisan perkerasan kaku, sehingga bermanfaat dan dapat menurunkan biaya operasional pembuatanya. Serbuk kulit kerang digunakan sebagai bahan pencampur dengan ko…

Multiscale Modeling of Complex Materials: Phenomenological, Theoretical and C…

The papers in this volume deal with materials science, theoretical mechanics and experimental and computational techniques at multiple scales, providing a sound base and a framework for many applications which are hitherto treated in a phenomenological sense. The basic principles are formulated of multiscale modeling strategies towards modern complex multiphase materials subjected to various ty…

Construction and Building Research

Many areas of knowledge converge in the building industry and therefore research in this field necessarily involves an interdisciplinary approach. Effective research requires strong relation between a broad variety of scientific and technological domains and more conventional construction or craft processes, while also considering advanced management processes, where all the main actors permane…

PENGARUH PENAMBAHAN EKSTRAK DAUN BELIMBING WULUH TERHADAP LAJU KOROSI PADA BA…

PENGARUH PENAMBAHAN EXTRAK DAUN BELIMBING WULUH TERHADAP LAJU KOROSI PADA BAJA ST 41 DENGAN LINGKUNGAN ASAM SULFAT Oleh Muhammad Rafid Saleh Universitas Sriwijaya rafidsaleh632@gmail.com Nopriyanti, S.Pd.,M.Pd ryhantie@gmail.com ABSTRAK Korosi atau sering disebut dengan karat merupakan kerusakan struktur permukaan pada logam yang disebabkan oleh air, suhu, udara, bakteri atau ditempatkan di tem…

Transport Phenomena and Drying of Solids and Particulate Materials

The purpose of this book, Transport Phenomena and Drying of Solids and Particulate Materials, is to provide a collection of recent contributions in the field of heat and mass transfer, transport phenomena, drying and wetting of solids and particulate materials. The main benefit of the book is that it discusses some of the most important topics related to the heat and mass transfer in solids and…

Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)

This book gathers peer-reviewed contributions presented at the 3rd RILEM Spring Convention and Conference, held at Guimarães and hosted by the University of Minho, Portugal, on March 9-14, 2020. The theme of the Conference was “Ambitioning a Sustainable Future for Built Environment: comprehensive strategies for unprecedented challenges”, which was aimed at discussing current challenges and…

DENTAL MATERIALS; Clinical Applications for Dental Assistants and Dental Hygi…

Edition

2

ISBN/ISSN

978-1-4377-0855-4

Collation

xiv, 281p.; ill.; 28cm

Series Title

-

Call Number

617.6 28 Hat f

DISSIMILAR BUTT JOINT ASTM A36 DAN SS 304 MENGGUNAKAN SMAW DENGAN ELEKTRODA E…

Tujuan penelitian adalah untuk mengetahui hubungan antara sifat fisik dan sifat mekanik pada pengelasan SMAW dissimilar butt joint antara ASTM A36 dan SS 304 menggunakan elektroda E6010 dan E308-16 serta arus 65 A. Pengujian dye penetrant dilakukan untuk mengindentifikasi cacat yang terdapat pada permukaan area di sekitar pengelasan menggunakan elektroda E6010 dan E308-16. Pada bagian logam las…

ANALISIS KEKUATAN BENDING STRUKTUR SANDWICH DENGAN CORE ALUMUNIUM DAN SKIN FI…

Penelitian ini akan menganalisis perubahan kekuatan bending seiring dengan variasi ketebalan skin dengan tujuan untuk memaham ihubungan antara ketebalan skin dan kekuatan bending, diharapkan dapat memberikan wawasan yang lebih baik dalam pengembangan struktur sandwich yang optimal. Hasil penelitian ini dapat digunakan sebagai dasar untuk perancangan struktur sandwich yang efisien dan kuat dalam…

Gene Delivery

Gene therapy has been regarded as a great potential for specific treatment of gene-related human diseases, such as cancer, genetic and epidemic diseases. Gene therapy refers to the biomedical technology that inserts normal or therapeutic exogenous genes into target cells to repair or replace defective genes in target cells, so as to achieve the purpose of treating diseases. Efficient gene deliv…

UHPCC Under Impact and Blast

Edition

1

ISBN/ISSN

978-981-33-6844-6

Collation

xxiii, 504p.:Ill.

Series Title

-

Call Number

620.135 Fan u

Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)

Edition

-

ISBN/ISSN

978-3-030-76543-9

Collation

xxv, 315p.:Ill

Series Title

-

Call Number

620.11 Pro