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 ,…
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…
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…
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.
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…
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…
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…
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…
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…
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…
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 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…
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…
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…
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…
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 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…
Dengan tingginya laju produksi, PT Kaltim Prima Coal (PT KPC) harus selalu melakukan inovasi agar seluruh tahapan dapat dilaksanakan secara optimal dan efisien, terutama pada tahap pemboran dan peledakan. Salah satu faktor penting keberhasilan suatu operasi peledakan dilihat dari fragmentasi hasil peledakan dimana hal tersebut akan berdampak pada aktivitas gali muat material. Berdasarkan data d…
Slope stability is an important factor in the sustainability of the mining process, a stable slope will reduce potential losses due to cladding. A waste dump/disposal area is an area in an open pit mining operation that is used as a place to dispose of low-grade material and/or non-ore materials such as overburden and interburden. The east block heap slope of the Muara Tiga Besar Utara is a hoa…
The PQRT pit is one of the pits in Site Lati which is the largest contributor to PT Berau Coal's coal production which in 2022 will reach 7,856,452 tons. Due to market demand in meeting the needs of coal has become an important matter in the mining business so that the market demand for seam P coal has also increased. Judging from the actual conditions of the PQRT pit, which is on the west side…
This book provides a comprehensive and concise description of most important aspects of experimental and theoretical investigations of porous materials and powders, with the use and application of these materials in different fields of science, technology, national economy and environment. It allows the reader to understand the basic regularities of heat and mass transfer and adsorption occurri…
This book presents fundamental theories, design and testing methodologies, and engineering applications concerning spacecraft thermal control systems, helping readers gain a comprehensive understanding of spacecraft thermal control systems and technologies. With abundant design methods, advanced technologies and typical applications to help them grasp the basic concepts and principles of engine…
This book contains the proceedings of the IUTAM Symposium on Multiscale Modeling and Uncertainty Quantification of Materials and Structures that was held at Santorini, Greece, September 9 – 11, 2013. It consists of 20 chapters which are divided in five thematic topics: Damage and fracture, homogenization, inverse problems–identification, multiscale stochastic mechanics and stochastic dynami…