Article Per Year (5 Year)
p-Index From 2021 - 2026
4.575
P-Index
This Author published in this journals
All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Jurnal Teknik Sipil Journal of Mathematical and Fundamental Sciences Journal of Engineering and Technological Sciences Tasyri` : Jurnal Tarbiyah-Syari`ah-Islamiyah Al-Ta'lim Portal: Jurnal Teknik Sipil Sibatik Journal : Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan Chalim Journal of Teaching and Learning Realism: Law Review ILJ: Islamic Learning Journal
Herwani .
JurusanTeknik Sipil Universitas Tanjungpura, Pontianak
Religion Arts Astronomy Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Social Sciences Other

Published : 43 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 43 Documents
Search

 1   2   3   4   5 
Performance and Optimization of Normal Concrete with Binary Cementitious Blends of Bagasse Ash and Rice Husk Ash Lase, Firman Kornel; Herwani, Herwani; Mukti, Elsa Tri
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.93362

Abstract

This study evaluates the use of Bagasse Ash (BA) and Rice Husk Ash (RHA) as partial cement replacements in standard concrete. The experiment used cylindrical specimens with diameters of 10 cm and 15 cm, with cement replaced by BA and RHA at 0% (control), 2.5%+2.5%, 5%+5%, and 7.5%+7.5%. Tests on material properties and concrete performance—including slump, unit weight, compressive strength, and splitting tensile strength—were conducted in accordance with Indonesian National Standards (SNI). The results show that increasing BA and RHA content reduces slump values, from 90 mm in the control mixture to 75 mm at the highest substitution level, but all mixtures remained within the acceptable workability range of 75–100 mm and met the criteria for normal-weight concrete. The highest 28-day compressive strength, 32.900 MPa, was achieved with the 2.5% BA + 2.5% RHA mixture, slightly exceeding that of the control concrete. The greatest splitting tensile strength, 2.924 MPa, occurred at the 5% BA + 5% RHA level. Overall, the findings indicate that moderate substitution using BA and RHA can maintain satisfactory mechanical performance while offering a more sustainable alternative to conventional cement.
PENGARUH VARIASI RESIN EPOKSI TERHADAP KUAT TEKAN PADA MORTAR POLIMER BERBAHAN DEBU BATU Idris Setianto, Achmad; Elvira, Elvira; Sulandari, Eti; Herwani, Herwani; Nurhayati, Nurhayati; Rabihati, Etty
SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan Vol. 5 No. 2 (2026)
Publisher : Penerbit Lafadz Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/sibatik.v5i2.4425

Abstract

Polymer mortar is an alternative material developed by utilising epoxy resin as a binder and stone dust as a fine aggregate. This study aims to analyse the effect of epoxy resin variation on the compressive strength of stone dust-based polymer mortar. The epoxy resin variations used in this study were 10%, 15%, and 20% of the material weight. Compressive strength testing was conducted at ages of 1, 2, 7, 14, and 21 days. The results showed that an increase in the percentage of epoxy resin significantly improved the mechanical properties of polymer mortar. At a variation of 10%, a compressive strength of 9.03 MPa was obtained at 21 days. Meanwhile, a variation of 20% resulted in a compressive strength of 17.71 MPa. This study indicates that an increase in the epoxy mixture content and a longer testing age affect the increase in the compressive strength of stone dust-based polymer mortar. These results also support the application of sustainable construction principles through the use of alternative materials.
The Creativity of Teachers Using Online Learning Media in Pandemic Covid-19 Nuraini, Nuraini; Suhari, Suhari; Awalia, Rubi; Herwani, Herwani; Ubabuddin, Ubabuddin
AT-TA'LIM Vol 30, No 1 (2023)
Publisher : Institut Agama Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/jt.v30i1.737

Abstract

Creativity is the potential of every individual that can be studied, processed, explored and developed for the better, not an innate talent and trait born in a person. In the implementation of learning, Creativity has an essential role in creating more active, fun, exciting learning and facilitates learning. Teacher creativity is the ability to find thoughts about ideas and ideas in solving a problem related to educational science. Creative teachers will continue to develop exciting learning to improve quality, improve materials, use methods, use media and manage classrooms. Especially during the current COVID-19 pandemic, a teacher is required to create exciting and fun learning. The Covid-19 pandemic that has occurred throughout the world, including Indonesia, involves implementing distance learning as instructed by the Ministry of Education and Culture to continue learning during this COVID-19 outbreak. Therefore, teachers at all levels of education must make new learning plans related to distance learning. Likewise, the teaching carried out at SMP Negeri 4 Subah, an area in the red zone of the spread of the COVID-19 outbreak, requires learning to be carried out online. This research was conducted at SMP Negeri 4 Subah with a qualitative approach or descriptive field research. The results show that teachers at SMP Negeri 4 Subah are ready to carry out online learning by utilizing media or applications that can support online learning to keep it exciting and fun, including using WhatsApp, Google Classroom, Google Form, Zoom Meeting, Email and other applications on when delivering subject matter, giving assignments and carrying out tests.
Co-Authors - Faisal, - ., Jeprianto Ali Akbar Andreas, Ricky Arfan ., Arfan Aryanto Aryanto Asep Supriyadi B. Budiono Bambang Budiono Bambang Budiono Bayu Emilsyah Bin Ilias, Mohd. Faeez Cek Putra Handalan, Cek Putra Chrisna Djaya Mungok Crisna Djaya Mungok DWI SANTOSO Ediansjah Zulkifli Eka Priadi Elsa Tri Mukti Elvira . Elvira Elvira Erwin Sutandar Eti Sulandari Etty Rabihati Faisal Faisal Faraid, Luthi Armey Fitrahaldi, Naufal Gagas Bagus Pradewa Hermanus, Hermanus Hutajulu, Jacob Hasiholan Idris Setianto, Achmad Insan Ari Maulana Iswadi Iswadi Iswandi Imran Ivindra Pane Kardianto, Arie Lase, Firman Kornel Lusiana Lusiana Mahazir, Muhamad Manah . MUHAMMAD YUSUF Muhammad Yusuf Novita, Arisia Nuraini Nuraini Nurhayati Nurhayati Odie Sulung, Odie Parabi, Ashraf Dhowian pengelola, pengelola Rafie Rafie Ramadhany, Ajmal Randy Factsah Rubi Awalia, Rubi Salsabila, Putri Najwa Samsul Saputra, Husyin Sonny Franata Suhari Suhari Supatmi . Sutiono, Tansetiadi Syahmil, Muhammad Syavanka, Lucky Nur Ubabuddin, Ubabuddin Udi Wijayadi Vian, Ryan Al Yasin, Usman Z, Yosafat Zulshaec, Yongga