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All Journal BERKALA SAINSTEK JIKSI (Jurnal Ilmu Komputer dan Sistem Informasi) FROPIL (Forum Profesional Teknik Sipil)
Desy Arisandi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Mathematics Physics Other

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ANALISIS KORELASI NILAI N-SPT DENGAN NILAI TAHANAN KONUS SONDIR MENGGUNAKAN METODE STATISTIKA Desy Arisandi; Yayuk Apriyanti; Ferra Fahriani
FROPIL (Forum Profesional Teknik Sipil) Vol 5 No 1 (2017): FROPIL (Forum Profesional Teknik Sipil)
Publisher : Jurusan Teknik Sipil Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (923.581 KB)

Abstract

Pertumbuhan infrastruktur di Kota Pangkalpinang berkembang semakin pesat dan menyebabkan semakin sedikit ruang gerak dan lahan kosong pada wilayah ini. Penyelidikan tanah lapangan yang digunakan adalah pengujian CPT (Cone Penetration Test) dan pengujian SPT (Standard Penetration Test). Oleh karena itu perlu dilakukan analisis korelasi antara N-SPT dengan qc-CPT untuk membantu penyelidikan tanah yang lebih ekonomis. Analisis data tanah dilakukan berdasarkan hasil penyelidikan tanah pada 4 lokasi proyek di Wilayah Kota Pangkalpinang yang meliputi data sondir (CPT) dan data SPT dengan menggunakan program SPSS. Tahapan analisis pengujian statistika yaitu uji normalitas, analisis regresi, dan uji t. Hasil analisis pengujian statistik dari 4 lokasi proyek yang telah diperhitungkan membuktikan bahwa Proyek Pembangunan Gedung Bank Indonesia Bangka Belitung merupakan proyek dengan model persamaan regresi terbaik. Hal tersebut terbukti dengan nilai koefisien korelasi (R) dan koefisien determinasi (R2) yang tertinggi paling mendekati nilai 1 serta uji t yang menunjukkan bahwa variabel N berpengaruh signifikan terhadap variabel qc. Sedangkan hasil korelasi SPT-CPT diperoleh dari data Proyek Pembangunan Kantor Terpadu Pemerintahan Provinsi Kepulauan Bangka Belitung sebesar qc = 4,377 N – 5,909, untuk Proyek Pembangunan Kantor Bank Sumsel Babel Pangkalpinang sebesar qc = 0,075 N2 + 3,590 N + 6,294, untuk Proyek Pembangunan Dermaga CPO Ketapang Pelabuhan Pangkal Balam sebesar qc = -0,001 N3 + 0,054 N2 + 1,844 N + 15,736, dan Proyek Pembangunan Gedung Bank Indonesia Bangka Belitung sebesar qc = -0,001 N3 + 0,081 N2 + 1,594 N + 26,651.
SISTEM INFORMASI UNIT KEGIATAN MAHASISWA (UKM) UNIVERSITAS TARUMANAGARA BERBASIS WEB Adinda Putri; Desy Arisandi; Tri Sutrisno
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 11 No. 1 (2023): JURNAL ILMU KOMPUTER DAN SISTEM INFORMASI
Publisher : Fakultas Teknologi Informasi Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jiksi.v11i1.24154

Abstract

The Information System of activity unit or UKM at Tarumanagara University on the Web-Based is an application designed to make easier for student to get all information about UKM so that more people are know and register their self to UKM’s new members and also help UKM to disseminate information and introduce their activities to all students at Untar. The Website uses the Waterfall System Development Life Cycle (SDLC) development methodology. The database used in this application is MySQL. The programming languages used are HTML, PHP and Boostrap Framework. The results of user testing of the application show that the application can be understood and can be used easily
Valorization of Milkfish (Chanos chanos) Bone By-Products into Bone Powder and Milkfish Bone Floss Based on Nutritional Characterization and Calcium Contribution Desy Arisandi; Anies Chamidah; Mirza Gulam Ahmad; Putri Julia Mizulni; Devi Faustine Elvina Nuryadin
BERKALA SAINSTEK Vol. 14 No. 1 (2026)
Publisher : University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v14i1.60002

Abstract

The utilization of fish processing by-products represents an important strategy to improve production efficiency and support zero-waste principles. Milkfish (Chanos chanos) bone by-products, generated from deboned milkfish processing, have significant potential as a value-added food ingredient. This study aimed to characterize the nutritional composition of milkfish bone powder and milkfish bone floss products and to evaluate their potential calcium contribution to the recommended dietary allowance (RDA) for adults. Bone powder was produced through washing, boiling, oven drying at 60-70°C, grinding, and sieving (80 mesh). Bone floss was prepared through pre-boiling, high-pressure cooking (±121°C for ±2 hours), grinding with spices, and roasting until low moisture content was achieved. The study involved two product treatments, namely milkfish bone powder and milkfish bone floss. The nutritional composition of each product was determined using proximate analysis based on AOAC methods, including moisture, ash, protein, fat, and carbohydrate contents, with all analyses conducted in triplicate. Results showed that bone powder contained 3.52% moisture, 21.50% protein, 10.28% fat, 52.44% ash, and 12.26% carbohydrates, while milkfish bone floss contained 3.30% moisture, 20.82% protein, 23.32% fat, 25.88% ash, and 26.68% carbohydrates. The calculated energy values were approximately 227 kcal/100 g for bone powder and 400 kcal/100 g for bone floss using Atwater factors. Assuming that 30% of total ash represents calcium, bone powder is estimated to contain approximately 15,730 mg calcium per 100 g, theoretically exceeding 100% of the adult RDA (1000 mg/day) with a 10 g serving. Bone powder shows strong potential as a mineral fortification ingredient, while bone floss is suitable as a ready-to-eat high-energy product. These findings demonstrate that simple thermal processing can generate nutritionally competitive products from fish bone waste.
Co-Authors Adinda Putri Anies Chamidah Devi Faustine Elvina Nuryadin Ferra Fahriani Mirza Gulam Ahmad Putri Julia Mizulni TRI SUTRISNO Yayuk Apriyanti, Yayuk