Penelitian ini dilatarbelakangi oleh pembelajaran yang masih menggunakan metode ceramah dan media yang berupa buku teks serta papan tulis menyebabkan siswa cenderung pasif dan mengalami kesulitan dalam mengaitkan konsep struktur atom yang masih dianggap sulit dipahami karena bersifat abstrak. Oleh karena itu, diperlukan media pembelajaran yang menarik dan mampu membantu siswa memahami konsep se…
This study aims to determine the effect of using STEM-based e-LKPD on students’ learning outcomes in the Atomic Structure topic at SMA Negeri 19 Palembang. This study employed a quasi-experimental method with a nonequivalent control group design. The research subjects consisted of two classes selected using the random cluster sampling technique, namely class X.2 as the experimental class usin…
This study aims to examine the effect of Capital Structure, Liquidity, and Corporate Social Responsibility on Profitability, with Good Corporate Governance as a moderating variable. The object of this study is energy sector companies listed on the Indonesia Stock Exchange during 2020–2024. By using the purposive sampling method, the sample of this study consists of 49 companies with a total o…
Reinforced concrete portals with masonry infill walls are structural systems commonly used in building construction and play an important role in resisting lateral loads caused by earthquakes. To improve the performance of these structures, the development of materials and reinforcement configurations is necessary to enhance structural strength, ductility, stiffness, and energy dissipation capa…
Hospitals are buildings with significant environmental impacts due to high energy and material consumption, making the application of eco-friendly materials an essential component of green building implementation. The Government of Indonesia, through the Regulation of the Minister of Public Works and Housing Number 21 of 2021, establishes performance assessment criteria for green buildings, inc…
The intake structure is a building that functions as a place to take water from the river and drain it to the processing site. In the research conducted for regulations using provisions that refer to SNI 1726:2019, ASCE 41-17, and FEMA 356:2000 regarding pushover analysis. Non-linear Static Analysis or better known as Pushover Analysis is a method used to analyze the capacity curve of the relat…
Nanosilica is nano-sized silica which is around 1-100 nm and has a function to increase the compressive strength of concrete. Nanosilica can be produced by extraction process from fly ash waste. The materials used in this study were fly ash, Hydrochloric acid (HCl) solution, Sodium Hydroxide (NaOH) solution, and distilled water. This study used variations in drying time for 12, 15, and 18 hours…
Enhancing the seismic performance of multi-story buildings in high-seismic regions requires effective structural control systems to improve lateral resistance and energy dissipation. This study evaluates the influence of steel bracing and Fluid Viscous Damper (FVD) systems on the dynamic response of a 10-story regular building using Response Spectrum Analysis in structural analysis software, in…
This study aims to evaluate the seismic performance of a multi-story building structure with the application of Fluid Viscous Dampers (FVD) as an energy dissipation system. Indonesia, particularly the Bengkulu region, is located in a high seismic hazard zone, making earthquake-resistant structural design an essential requirement. In this research, a multi-story building was modeled using SAP200…
Nanosilica is a material that accelerates the pozzolanic reaction and fills the nanopores of concrete, with particle sizes ranging from 1 to 100 nm and a high specific surface area. It functions to improve the compressive strength of concrete. Nanosilica can be produced through an extraction process from fly ash waste. The materials used in this study include fly ash, NaCl solution, NaOH soluti…
Fly ash is the remaining ash from coal combustion. Silica in fly ash can be used to increase the compressive strength of concrete. Quality nanosilica can be produced by the synthesis process from fly ash waste. The materials used in this study were fly ash, HCl solution, NaOH, distilled water, and kangen water. These materials will be synthesized using the hydrothermal method. This study used v…
Palm kernel shell ash (PKSA) is an abundant biomass material that can be utilized as a reinforcement for aluminum composites due to its low cost, environmental friendliness, and ability to enhance mechanical properties. This study develops an Aluminum Matrix Composite (AMC) based on Aluminium 6063 reinforced with 3% PKSA and 1% SiC to improve its strength and corrosion resistance. The composite…
Nanosilica is silica with a nano size ranging from 1 to 100 nm, and it functions to enhance the compressive strength of concrete. Nanosilica can be produced through a synthesis process using fly ash. The material used in this study is fly ash. This research uses molarity variations of 1 molar, 2 molar, and 3 molar. In this study, microstructure testing is conducted to analyze the extraction res…
Nanosilica is a nano-sized silica that ranges from 1-100 nm and has a function to increase the compressive strength of concrete. Quality nanosilica can be produced with a synthesis process from fly ash waste. The materials used in this research are fly ash, HCl solution, NaOH, Methanol, Ammonia, and demin water. The material will be synthesised using the sol-gel method. This research uses varia…
Penelitian ini dilatarbelakangi oleh keterbatasan bahan ajar yang hanya berbentuk media cetak, sehingga pembelajaran menjadi monoton dan kurang menarik bagi peserta didik. Tujuan dari Penelitian ini adalah menghasilkan e-LKPD yang valid, praktis, dan efektif pada materi struktur atom berbasis Science, Technology, Engineering and Mathematic (STEM) di SMA Srijaya Negara. Penelitian ini merupakan …
The fashion industry ranks second among creative industries in terms of its contribution to the national economy. High demand, both domestically and internationaly, can motivate entrepreneurs to continue to innovate in product development to remain competitive and maximize profits. This study aims to determine whether industrial concentration affects the efficiency of the knitted and embroidere…
Nanosilica particles are silica of very small size on the nanometer scale, namely 1-100 nm. With its very small size, less than 100 nm, nanosilica is very suitable to be synthesized from fly ash waste. This research aims to examine the effect of varying heating times and the use of fly ash on the quality of the produced nanosilica. Fly ash can be used as a constituent material in cement and can…
Penelitian ini bertujuan untuk membuat model struktur geologi dangkal di daerah Danau Ranau dan sekitarnya berdasarkan data gravitasi global gravity model plus (GGMPlus). Penelitian dilakukan pada area seluas 16 × 16 km² dengan integrasi data gravitasi, digital elevation model (DEM), dan data geologi lapangan. Tahapan analisis meliputi koreksi udara bebas, Bouguer, dan medan untuk menghasilka…
This study aims to examine the effect of capital structure and ownership structure on financial performance. The object of this research is food and beverage sub-sector companies listed on the Indonesia Stock Exchange (IDX) in 2018-2023. By using the purposive sampling method, the number of samples in this study obtained 15 companies with a total of 90 observations. The independent variables ar…
RINGKASAN IDENTIFIKASI MORFOLOGI DAN STRUKTUR GEOLOGI BERDASARKAN LINEAMENT DAERAH BUNGIN CAMPANG DAN SEKITARNYA, KABUPATEN OKU SELATAN, PROVINSI SUMATERA SELATAN Karya tulis ilmiah berupa Laporan Tugas Akhir, Juli 2024 Muhammad Abdul Latif, dibimbing oleh Budhi Setiawan, S. T., M. T., Ph.D. dan Yogie Zulkurnia Rochmana, S. T., M. T. xix + 41 halaman, 6 Tabel, 35 Gambar, 4 Lampiran RINGKASAN Id…
Bangunan beton bertulang, seperti masjid, sekolah, dan perkantoran yang merupakan tempat kegiatan manusia haruslah aman dan terlindungi dari bahaya gempa tersebut. Karena itu upaya perbaikan konstruksi bangunan beton bertulang yang lebih rasional, sederhana dan tahan gempa dengan menggunakan prinsip teknik yang benar, detail konstruksi yang baik dan praktis merupakan kebutuhan mendesak bagi mas…
Proyek merupakan suatu kegiatan sementara yang dilaksanakan dalam jangka waktu terbatas, salah satu contoh proyek adalah Pembangunan Jembatan Pipa Desa Kangkung Kabupaten OKU TIMUR.Untuk menghasilkan hasil yang optimal maka pembangunan tersebut harus didahului dengan perencanaan yang matang. Perencanaan tersebut meliputi perencanaan konstruksi dan manajemen proyek. Untuk menyelesaikan suatu pro…