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All Journal Jurnal Planologi Sultan Agung TEKNIK MEDIA KOMUNIKASI TEKNIK SIPIL Teknik Sipil dan Arsitektur Jurnal Ilmu Dasar Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Journal of Engineering and Technological Sciences Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Pondasi Jurnal Manajemen Pendidikan Syntax Literate: Jurnal Ilmiah Indonesia Rang Teknik Journal Astonjadro Jurnal Hilirisasi IPTEKS (JHI) ComTech: Computer, Mathematics and Engineering Applications Jurnal Ilmiah RESPATI Portal: Jurnal Teknik Sipil Agro Bali: Agricultural Journal Jurnal Ilmiah Akuntansi Kesatuan Jurnal Bakti Masyarakat Indonesia Jurnal Teknik Sipil dan Arsitektur Jurnal Revenue : Jurnal Ilmiah Akuntansi Journal of Industrial Engineering & Management Research (JIEMAR) Fokus: Publikasi Ilmiah untuk Mahasiswa, Staf Pengajar dan Alumni Universitas Kapuas Sintang PIPER Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Jurnal Ilmiah Wahana Pendidikan Jurnal Manajerial Dan Kewirausahaan Teknika INTERNATIONAL JOURNAL OF MECHANICAL COMPUTATIONAL AND MANUFACTURING RESEARCH Jurnal Bina Komputer International Journal of Multidisciplinary Sciences and Arts Jurnal Audit dan Perpajakan MDP Student Conference JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Maximus: Journal of Biological and Life Sciences TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Prosiding Dedikasi: Pengabdian Mahasiswa Kepada Masyarakat Jurnal Ekonomi, Manajemen, Akuntansi jurnal informasi teknologi dan sistem
Antonius Antonius
Department of Civil Engineering, Universitas Islam Sultan Agung, Jl. Raya Kaligawe Km. 4, Semarang 50112, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Veterinary Other

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Design of Low Alkali Activator Geopolymer Concrete Mixtures Setia Romadhon, Eri; Antonius, Antonius; Sumirin, Sumirin
ASTONJADRO Vol. 11 No. 3 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i3.7484

Abstract

This paper presents the results of research on the design of geopolymer concrete mixes. The main objective of this research is to develop an efficient and easy design of low-alkaline activator geopolymer concrete mixture, which until now has been the biggest obstacle in the use of geopolymer concrete. The variables reviewed were the amount of alkaline activator was quite low at 4%, room temperature and 60oC ratio of alkaline activator/fly ash (AAS/FA) were 0.35, 0.4, 0.5, 0.6. The test results show the parameters of geopolymer concrete with low alkali activator 4%, sodium silicate/sodium hydroxide ratio 2.5%, sodium hydroxide molarity 14M, type F fly ash and the discovery of the relationship model of compressive strength and the ratio of alkali activator/fly ash with a very high correlation as basic development of geopolymer concrete mix design. The design of the geopolymer concrete mix developed is easy because it is application-based and efficient because it only requires 4% alkaline activator.
Pemanfaatan Fly Ash pada Beton Non Pasir di Lingkungan Ekstrem Purnamasari, Eka; Antonius, Antonius; Setiyawan, Prabowo
Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Vol 7 No 1 (2025): Juni 2025
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/modulus.v7i1.6035

Abstract

No-Fines Concrete is a lighter type of porous concrete, which is made by removing sand from conventional concrete mixes. Fly Ash is a by-product waste from Steam Power Plants (PLTU) which use coal as fuel, in the form of fine, light, round particles and has pozzolanic properties. This research aims to evaluate the effect of using fly ash in No-Fines concrete in extreme environments, especially in peat swamp environments. The use of No-Fines concrete as a construction material is expected to reduce dependence on natural sand and utilize industrial waste such as fly ash. The peat swamp environment which has the characteristics of acidic and porous soil provides its own challenges in construction, so concrete with appropriate mechanical and physical properties is needed. The research results are expected to show that the addition of fly ash can improve the technical properties of concrete, especially in terms of strength and durability in peat swamp environments. It is hoped that it will contribute to developing environmentally friendly concrete materials and supporting the sustainability of construction in areas with extreme soil conditions. Apart from that, the use of fly ash as an additional material can help reduce industrial waste, while producing concrete that is economical and efficient to use.
Analysis of Profit Projected Value Due to the Effect of Price Escalations on Construction Projects: Case Study of Ameroro Dam Project, Southeast Sulawesi Andika, Wahyu; Wibowo, Kartono; Antonius, Antonius
Jurnal Planologi Vol 22, No 2 (2025): October 2025
Publisher : Universitas Islam Sultan Agung Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jpsa.v22i2.46948

Abstract

ABSTRACT  Indonesian contractors are facing pressure due to the domino effect of the Russia-Ukraine war. Which triggered a spike in commodity prices, including construction materials. High inflation and rising fuel prices apparently also had an impact on PT Wijaya Karya (Persero) Tbk (WIKA). The BUMN works asked the owners to adjust the contract price. The government has given the green light regarding proposals for price adjustments or contract escalations for infrastructure projects running in the 2022 fiscal year. Based on the above background. This research is an in-depth study to dissect further the analysis of profit projections due to the influence of escalation carried out by the review of the Ameroro Dam Project, Southeast Sulawesi. The research strategy used is literature study and data analysis of the Cost Budget Plan (RAB) for the Ameroro Dam project in Southeast Sulawesi including: Bill of Quantity Data, (ii) Work Unit Price Analysis (AHSP) Data, (iii) Material Price List and (iv) Work Wage Price List. Then a projection of the adjustment value is carried out with projection i using the BPS price index value and projection ii using the Pertamina economic price index. The results from adjustments to projection I amounted to IDR 15,548,548,165 and projection II amounted to IDR 44,854,254,042. From the results of these adjustments, we obtained an increase in the projected contract value i of 2% from the contract value to IDR 1,016,698,604,665 and an increase in the projected contract value i of 4% from the contract value to IDR 1,046,004,310,542. Based on the projection data, there are differences in the adjusted price values. From this data it can be concluded that the index data used is closer to using Pertamina's economic index data.        Keywords: Escalation, Job Unit Price Analysis, Fuel Industry, Reinforced Steel
Application of Lean Construction to Improve Cost Efficiency Due to Delays in the Manggarai–Jatinegara Railway Facilities Development Project (Package A, Phase II, Mainline I) Subekti, Andip; Antonius, Antonius; Wibowo, Kartono
Jurnal Planologi Vol 22, No 2 (2025): October 2025
Publisher : Universitas Islam Sultan Agung Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jpsa.v22i2.47719

Abstract

AbstractThe budget allocated for infrastructure development increased by 7.57%, reaching IDR 125.18 trillion in 2022. To support this growth, the integration of intermodal transportation systems is essential. The Manggarai–Jatinegara Railway Facilities Development Project (Package A, Phase II, Mainline I) represents a significant infrastructure initiative in this context. Preventing construction delays requires proactive measures to ensure project safety and quality, alongside efforts to enhance efficiency and value. Lean Construction is a methodology focused on increasing efficiency, minimizing waste, and maximizing value for all project stakeholders. This study aims to identify the factors causing delays and cost overruns in the Manggarai Station project and formulate appropriate strategies and steps to address these issues. The research employs the Analytic Hierarchy Process (AHP) to analyze data collected from selected respondents, enabling weighted prioritization of the identified factors according to their rank. The study demonstrates that Lean Construction strategies, particularly waste reduction through improved coordination and preventive measures, effectively mitigate these issues. The findings provide practical insights for project managers and policymakers to institutionalize Lean Construction in Indonesia’s railway megaprojects.Keywords: Project Delay, Cost Overruns, Lean Construction, Construction Project, Railway AbstrakAnggaran yang dialokasikan untuk pembangunan infrastruktur meningkat sebesar 7,57%, mencapai Rp125,18 triliun pada tahun 2022. Untuk mendukung pertumbuhan ini, integrasi sistem transportasi antarmoda menjadi sangat penting. Proyek Pembangunan Fasilitas Perkeretaapian Manggarai–Jatinegara (Paket A, Tahap II, Mainline I) merupakan salah satu inisiatif infrastruktur yang signifikan dalam konteks tersebut. Pencegahan keterlambatan konstruksi memerlukan langkah-langkah proaktif untuk menjamin keselamatan dan kualitas proyek, sekaligus upaya meningkatkan efisiensi dan nilai. Lean Construction adalah metodologi yang berfokus pada peningkatan efisiensi, meminimalkan pemborosan, dan memaksimalkan nilai bagi seluruh pemangku kepentingan proyek. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor penyebab keterlambatan dan pembengkakan biaya pada proyek Stasiun Manggarai serta merumuskan strategi dan langkah yang tepat untuk mengatasinya. Penelitian ini menggunakan metode Analytic Hierarchy Process (AHP) untuk menganalisis data yang dikumpulkan dari responden terpilih, sehingga memungkinkan prioritisasi berbobot terhadap faktor-faktor yang telah diidentifikasi sesuai tingkat kepentingannya. Hasil penelitian menunjukkan bahwa strategi Lean Construction, khususnya pengurangan pemborosan melalui koordinasi yang lebih baik dan langkah-langkah pencegahan, efektif dalam mengurangi permasalahan tersebut. Temuan ini memberikan wawasan praktis bagi manajer proyek dan pembuat kebijakan untuk menginstitusionalisasikan Lean Construction dalam megaproyek perkeretaapian di Indonesia.Kata Kunci: Keterlambatan Proyek, Pembengkakan Biaya, Lean Construction, Proyek Konstruksi, Perkeretaapian
Introduction to the Basic Concept of Simple Financial Recording in MSMEs Syahrizal, Muhammad; Nugroho, Very Sapto; Mardin, Mardin; Antonius, Antonius; Jaya, Andi Eka Putra; Rakhmaji, Iqbal; Sari, Maya; Masriani, Masriani; Nurlinda, Andika; Asma, Asma; Hanif, Faizira Nur
JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Vol 10, No 3 (2025): Social, Cultural and Historical Studies
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jimps.v10i3.35641

Abstract

Early financial literacy is an essential foundation for developing financial awareness and skills. This program was implemented through the Community Service Program (KKN) in Petiku Village in October 2024. The program aimed to introduce basic financial concepts to micro-entrepreneurs and improve the owners' competency in financial management. The research methods used were interviews, direct observation, and field training to identify problems and provide easy-to-implement financial record-keeping solutions. The results showed that implementing simple financial records, such as cash flow statements, profit and loss statements, and balance sheets, manually can help MSMEs better monitor their finances, make more informed business decisions, and improve operational efficiency. This study concluded that good and regular financial records are crucial for the sustainability and development of MSMEs.
Innovation in the Use of Rigid Pavement Waste in Recycled Concrete: Challenges and Solutions to Improve Mechanical Performance Lubab, Lubab; Antonius, Antonius; Sumirin, Sumirin
ASTONJADRO Vol. 14 No. 3 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i3.17956

Abstract

The use of rigid pavement waste as recycled aggregate in concrete has become a focus of research in an effort to improve sustainability in the construction industry. This article discusses the main challenges in using rigid pavement waste as recycled aggregate, especially related to the mechanical strength of concrete, such as compressive and flexural strength. In addition, this article also explores various innovations in concrete mix design that can overcome the mechanical performance weaknesses of recycled concrete. Some of the solutions discussed include the use of reinforcing fibers, alternative binders, and more efficient production technologies. The research shows that these innovations can significantly improve the performance of recycled concrete with rigid pavement waste aggregate, making it a viable option to support more environmentally friendly infrastructure development.
PENGEMBANGAN SISTEM PENJUALAN DAN PERSEDIAAN BARANG BERBASIS DESKTOP PADA USAHA DAGANG AFEN Nanda, Bunga; Kristina, Kristina; Antonius, Antonius
INTEKSIS Vol 11 No 1: Mei 2024
Publisher : LPPM Universitas Widya Dharma Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Usaha Dagang Afen is a is a business that sells various accessories such as: wallets, bags, jewelry boxes and so on. This business has not yet implemented a computerized based information system and has not used a database as a storage. Usaha Dagang Afen still uses a conventional system where there is no record of incoming, outgoing, and quantity of goods, so there is often a shortage or shortage of unknown goods which hinders selling, and inaccurate accounts receivable. The method of data collection carried out by the author is by interview, observation and literature study. The analysis technique used is an object-oriented analysis technique with the Unified Modeling Language (UML) as the modeling language and StarUML Ver 5.0.2.1570 as the modeling application. The system design application used is Microsoft Visual Studio 2010 as the programming language, MySQL ODBC 5.3 Unicode Driver, XAMPP Control Panel ver 3.3.0, MySQL ver 8.0 as the system design and database processing application. Based on the results of the research conducted, the authors produced a desktop based selling and inventory application that helps minimize the occurrence of incomplete invoices and uncontrolled inventory. Keywords — Analysis, Design, Information System, Selling, Inventory
PENERAPAN FITUR AUTOCOMPLETE DAN ALGORITMA TURBO BOYER MOORE PADA APLIKASI KAMUS KIMIA Novina, Firda; Darmanto, Tony; Antonius, Antonius
INTEKSIS Vol 11 No 1: Mei 2024
Publisher : LPPM Universitas Widya Dharma Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research implements the autocomplete feature and the Turbo Boyer Moore algorithm on an Android-based chemical term dictionary application. The autocomplete feature allows users to quickly search for chemical terms by entering only the first few letters, while the Turbo Boyer Moore algorithm is used for efficient string matching. This research uses data collection techniques, object-oriented system analysis, and application design techniques using Android Studio and SQLite. The result is an Android-based chemical term dictionary application that speeds up the search process and display relevant word suggestions. The conclusion that researchers can give from the results of applying the autocomplete feature and the Turbo Boyer Moore algorithm in this chemical term dictionary application is that it can search quickly and accurately, and minimizes time in typing patterns. The author gives advice to readers to be able to add other features such as the autocorrect features, voice recognition and can combine it with other algorithms. Keywords: Turbo Boyer Moore Algorithm, Autocomplete, Dictionary, Chemical Term Dictionary
PERANCANGAN APLIKASI TES KEPRIBADIAN DISC DENGAN PENDEKATAN BERORIENTASI OBJEK Wenxi, Wenxi; Antonius, Antonius; Tendean, Sandi
INTEKSIS Vol 11 No 2: Nopember 2024
Publisher : LPPM Universitas Widya Dharma Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Personality testing is an activity conducted by individuals to identify and obtain results about their personality traits. One method used for this purpose is the DISC method (Dominant, Influence, Steadiness, Compliance). Implementing this method in personality testing is expected to be beneficial in business, employment, and organizational. Moreover, companies may consider using this test when recruiting employees. The rapid advancement of technology and the widespread use of Android-based mobile devices, reaching 79.96% in 2022, alongside the previously manual administration of personality tests, are primary factors driving the development of a mobile personality test application using the DISC method. This application is designed as a questionnaire to be filled out by individuals, and upon completion, the results will be immediately displayed to them. To enhance the test results, the application will provide general information about the characteristics, common traits, and example jobs associated with each personality type based on the DISC theory. This information aims to help individuals expand their understanding, knowledge, and application of the DISC method across various domains, including education, employment, organizations, and personal development. Additionally, the application implements the Linear Congruential Generator (LCG) as a randomization algorithm for the questionnaire, ensuring that each individual receives unique questions. Keyword: Personality test, DISC, Java, Android, Linear Congruential Generator
IMMUNOSTIMULATORY EFFECT OF VITAMIN C ON MICE INDUCED BY STAPHYLOCOCCUS AUREUS Khairani, Iffa Afiqa; Riana, Elisa Nurma; Maretta, Gres; Azizah, Najla Nur; Putri, Isnaini Anggraini; Maruli, Berkat Afni; Mulyadi, Salsa Pratiwi; Antonius, Antonius
MAXIMUS: Journal of Biological and Life Sciences Vol. 1 No. 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/maximus.v1i2.1636

Abstract

Several compounds that can boost immune activity (immunostimulatory) include vitamin E, curcumin, flavonoids, and vitamin C. In this study, ascorbic acid or vitamin C, was used as one method to enhance the immune system. This study aims to determine the immunostimulatory effect of vitamin C on the phagocytosis activity of macrophages in mice induced by Staphylococcus aureus. The mice were divided into two groups: the control group, which received 0.3 ml of distilled water orally, and the treatment group, which received 0.036 mg/g BW of vitamin C orally for 14 days. On the 15th day, each mouse was intraperitoneally induced with 0.5 mL of Staphylococcus aureus bacterial suspension and left for two hours. The phagocytic activity value represents the percentage of active macrophage cells among all macrophages observed. The result showed that the value of % phagocytic activity in the control group was 21.43% ± 7.92, whereas the % phagocytic activity in the treatment group was 48.31% ± 22.27. The group of mice given vitamin C 0.036 mg/g BW orally showed increased phagocytic activity compared to the control group mice. This shows that vitamin C has potential as an immunostimulator.
Co-Authors ABDUL RAHMI Abdul Rochim Adhitiyawarman, Adhitiyawarman Affendi, Achmad Sholikin Agus Budiman Andika, Wahyu Anjelia, Viona Argunanto, Argunanto Arifin, Deni Asma Asma Azizah, Najla Nur Berlian Sitorus Bernard Renaldy Suteja Brandon, Brandon Christ Rudianto Cornelius, Kelsen Dewi, Ni Luh Manik Cahyaning El Latifa Sri Suharto Endang Purwaningsih Fachry Abda El Rahman Fasikhullisan, Fasikhullisan Fatkhurozak, Fatkhurozak Faza, Muhammad Arief Fransina Latumahina Giovanna, Aurelyn Gres Maretta, Gres Han Ay Lie Hanif, Faizira Nur Haq, Naufal Al Hari Setiabudi Husni, Hari Setiabudi Hendrik, Billyanto Herlambang, Hendri Hidayat, Muhammad Zhorif Holiawati, Holiawati Iffa Afiqa Khairani Ikhlas, Zaitul Irawan, Yosef Ariyanto Irmayanti Irmayanti, Irmayanti Isfahani, Muhammad Nafhan Iswandi Imran Januarti Jaya Ekaputri Jaya, Andi Eka Putra Jorden, Jorden Junaedi Utomo, Junaedi Karlinasari, Rinda Kartono Wibowo, Kartono Kiong, Ritchie Kristina Kristina Kurniawan Kurniawan Kuswariyah, Ratmi Limawan, Hendy Linggasa, M.I. Dewi Lubab, Lubab Lukman, Wiwik Malik, Muhamad Abdul Mansyur, Nur Indah Mardin, Mardin Maruli, Berkat Afni Mashudi Mashudi Masriani . Maya Sari MILA SILFIA Muhammad Syahrizal Mulyadi, Salsa Pratiwi Mulyana, Jeane Siswitasari Nanda, Bunga Niko, Fernanda Ni’am, M Faiqun Nofryanti, Nofryanti Novina, Firda Nugroho, Very Sapto Nurcahya, Gebriel Nurhayu, Winati Nurlinda, Andika Oktavia, Kartika Penidas Fodinggo Tanaem Prabowo Setiyawan, Prabowo Prabowo, Rizal Agung Prastyo, Sugeng Prihatno, Teguh Purnamasari, Eka Purnomo, Vito Dwi Purwoko Purwoko Putri, Isnaini Anggraini Rachmat Mudiyono, Rachmat Rakhmaji, Iqbal Riana, Elisa Nurma Romadhon, Rizki Roni Pazla Saputra, Priyandi Kusuma Sari, Dian Anggria Sari, Nur Desianti Permata Sarwo Edy Handoyo, Sarwo Edy Selviena, Shelly Setia Romadhon, Eri Shinta, Ni Luh Putu Subekti, Andip Sumirin Sumirin Suripto Suripto Suryadi, Muhammad Wahyu Suryadi Suryanti, Erma Susilawati, Susilawati Suzandi, Yudi Taufan Abdurrachman Tendean, Sandi Tewoloipaky, Wasti Thannia, Yvonne Titing, Deny Tony Darmanto Tunggal, Arie Wenxi, Wenxi Wibowo, H. Kartono Wibowo, Titus Tonny Willay, Thommy Wulan, Defina Andany Yanti, Gusri Zahra, Anisa Mumtaz Zahra, Indri Eliza