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…
Sistem informasi manajemen didefinisikan sebagai suatu sistem berbasis komputer yang menyediakan informasi bagi beberapa pemakai dengan kebutuhan yang serupa. Konsep sistem informasi menajemen merupakan suatu sumber daya organisasi yang menyediakan informasi - informasi kepada kelompok — kelompok manajer dengan sistem kerja yang hampir sama dimulai dengan menyatukan perangkat lunak dan data k…
Government expected to socialize the use of LPG gas cylinders to overcome the accident rate. In addition to socialization from the government, testing of LPG cylinders using the Solidworks application can also be carried out to see the pressure that is safe to use on LPG cylinders with a capacity of 50 kg. This study is intended to determine the safe pressure for 50 kg LPG cylinders for daily u…
This book includes a collection of research and practical papers from international research and technology activities on recent developments in infrastructure engineering. Sustainability is increasingly a key priority in engineering practices. With the aging transportation infrastructure and renewed emphasis on infrastructure renovation by transportation agencies, innovations are urgently need…
PT Gorby Putra Utama is a coal mining company in North Musi Rawas District, South Sumatera. The coal mining of PT Gorby Putra Utama is carried out using the open pit mining method. This study aims to determine the flow of water entering the mine so that the ideal sump volume will be known to accommodate the water discharge, the pump capacity capable of removing water from the sump and the volum…
Suatu proyek konstruksi selalu membutuhkan persediaan material sebagai salah satu peranan penting untuk kelancaran proyek itu sendiri. Terkadang sering sekali muncul kendala dalam penyediaan material. Kekurangan dan keterlambatan penyediaan bahan material ini sering sekali jadi satu permasalahan dalam suatu proyek. Masalah keterlambatan dan kekurangan bahan material ini dapat menimbulkan kerugi…
Seiring dengan perkembangan teknologi dalam dunia konstruksi yang semakin pesat, berkembang pula metode-metode baru dalam perbaikan pekeijaan konstruksi pada bangunan. Banyaknya bangunan-bangunan yang rusak akibat kesalahan dalam perencanaan, pemberian beban yang berlebihan maupun kesalahan dalam pelaksanaan konstruksi. Bangunan tersebut akan mengalami kerusakan. Salah satu kerusakan pada bangu…
The toll road connecting Palembang and Indralaya is built on a generally soft layer of soil. This is because soft soils generally have low shear strength, which takes longer to consolidate. Soil improvement using PVD assistance is a solution to get a short time. The analysis was carried out using the Terzaghi Method and Plaxis 2D Software. The method used in this study was the analytical method…
This book presents inductive and hybrid levitation micro-systems and their applications in micro-sensors and –actuators. It proposes and discusses analytical and quasi-finite element techniques for modeling levitation micro-systems based on the Lagrangian formalism. In particular, micro-bearings, -actuators, -accelerators and –accelerometers based on inductive levitation are comprehensively…