Article Per Year (5 Year)
p-Index From 2020 - 2025
1.431
P-Index
This Author published in this journals
All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa BERKALA SAINSTEK Rekayasa Sipil Jurnal Rekayasa Sipil dan Lingkungan SIKLUS: Jurnal Teknik Sipil Jurnal Aplikasi Teknik Sipil ABDIKOM
Gati Annisa Hayu
Universitas Pertamina
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Mathematics Physics Transportation

Published : 13 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : BERKALA SAINSTEK

 1 
The Evaluation of Mechanical Properties of Concrete Due to The Use of Glass Waste as Partial Substitution of Fine Aggregate Hayu, Gati Annisa; Dewi, Kharisma; G., Aryawitra; Akbar, Rivald
BERKALA SAINSTEK Vol 9 No 3 (2021)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v9i3.26628

Abstract

Increasing human awareness of the importance of protecting the environment and conserving natural resources requires concrete innovation as an environmentally friendly and sustainable material. Accumulated of solid waste begins to be processed and reused, one of which is as a constituent of concrete. Among the various types of solid waste, glass waste is considered as an alternative that can be used as a substitute for fine aggregate (sand), coarse aggregate (split stone) and cement. This study investigated the use of mix coloured glass waste consisting of clear, green, and brown as partial substitution of sand in concrete. Although the glass colors were mixed, the proportion of each color had been determined in this study, namely 25%, 25%, and 50%. The purpose of determining these proportions is to find out which type of color glass has the most effect on concrete mix. The target characteristic strength of 25 MPa was produced by replacing sand with 20% of mix coloured waste glass. Three combinations of concrete mixes were prepared for this study. Compression tests were conducted at 7, 14, and 28 days. Workability of fresh concrete, density, compressive strength, and failure mode were investigated in this study. Results showed that the use of waste glass was able to increase the workability of fresh concrete. K1, K 2, and K3 obtained slump values which were 4%, 6,7%, and 1,3% higher than normal concrete. Normal concrete and all combinations exhibited similar density values. Only normal concrete achieved the characteristic strength of 25,7 MPa at 28 days. Meanwhile K1, K2, and K3 achieved strengths of 22,4 MPa, 22,1 MPa, and 24,7 MPa, respectively. It was evident that as workability values increased, the compressive strengths were noticed to reduce.
Analisis Perbandingan Kapasitas Balok Komposit Baja-Beton dengan Steel Headed Stud dan UNP Stud Hayu, Gati Annisa; Mifta, Ahmad; A., Syamsul
BERKALA SAINSTEK Vol 8 No 4 (2020)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v8i4.18621

Abstract

Penghubung geser atau stud memiliki peranan penting dalam menghasilkan perilaku komposit baja-beton. Terdapat dua jenis stud yang direkomendasikan, yaitu steel headed stud atau paku berkepala dan UNP stud atau kanal. Penelitian ini menganalisis perbandingan kapasitas balok komposit baja-beton dengan penghubung geser jenis steel headed stud dan UNP stud. Pemodelan menggunakan program elemen hingga dipilih sebagai metode dalam analisis perilaku non-linier. Luas permukaan kedua jenis penghubung geser dibuat sama sehingga kuat nominal, jumlah, dan jarak pemasangan penghubung geser pun juga akan sama untuk kedua jenis pemodelan ini. Kapasitas yang ditinjau meliputi tegangan pada balok baja WF, tegangan pelat beton, tegangan pada stud, konsentrasi tegangan pada balok baja dan pelat beton, serta defleksi pada balok komposit. Sebelum melakukan pemodelan dengan program elemen hingga, proses desain sesuai SNI 1727:2015 dilakukan terlebih dahulu untuk menentukan dimensi struktur yang akan digunakan. Validasi diperlukan untuk melihat tingkat keakuratan pemodelan yang dilakukan. Metode validasi dilakukan dengan membandingkan nilai tegangan lentur pada serat bagian bawah dan atas balok komposit baja-beton. Persentase pemodelan mencapai 86,95% untuk model steel headed stud dan 87,4% untuk UNP stud. Hasil pemodelan menunjukkan bahwa balok komposit dengan UNP stud memilik kapasitas yang lebih baik karena menghasilkan nilai tegangan-tegangan dan defleksi yang lebih kecil. Tegangan lentur balok baja UNP stud dan steel headed stud adalah 19,129 MPa dan 19,556 MPa (perbedaan 2,18 %). Tegangagan lentur pelat beton UNP stud dan steel headed stud adalah 1,21 MPa dan 1,194 MPa (perbedaan 1,34 %). Defleksi balok komposit dengan UNP stud dan steel headed stud adalah 0.478 mm dan 0,435 mm (perbedaan 8,99 %).
Co-Authors A., Syamsul Akbar, Rivald Bagas Rahmandita Subchan Dewi, Kharisma Dwi Nurtanto Entin Hidayah G., Aryawitra Hernu Suyoso Iffah Ariqoh Fakrunnisa Krisfanri Natanael Aritonang Machmud Budi Sulistiyo Machmud Budi Sulistyo Mifta, Ahmad Nurul Fajar Januriyadi Ranny Adriana Reza Kurniawan Rinda Fitri Nabhilla Siswanto, Roby Utami, Adita Utami, Nanin Meyfa Winda Tri Wahyuningtyas