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All Journal Jurnal Rekayasa Sipil JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION IJTI (International Journal Of Transportation And Infrastructure) Proceeding of World Conference Portal: Jurnal Teknik Sipil G-Tech : Jurnal Teknologi Terapan Journal of Applied Science, Engineering, Technology, and Education NEUTRON : Research from all areas of the Civil Engineering Jurnal Teslink : Teknik Sipil dan Lingkungan International Journal of Engineering, Science and Information Technology Indonesian Community Journal Jurnal Pengabdian Cendekia Momentum International Journal of Civil Engineering (MIJCE)
Agyanata Tua Munthe
Universitas Mercu Buana
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Performance-Based Seismic Analysis and Design of a Mid-Rise RC Guest House in a High Seismic Zone of Indonesia Harto Nurbian; Agyanata Tua Munthe; Syafwandi; Agung Sumarno
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.2

Abstract

This study presents the seismic-resistant structural design of a 3-storey guest house with a roof garden, located in Surabaya, Indonesia, an area classified as Earthquake Zone 6. The building is designed using a Special Moment Resisting Frame System (SMRFS) as per SNI 1726:2019, which is appropriate for high seismic risk areas. The equivalent static lateral force method is employed for seismic analysis. Structural modeling and upper-structure design are performed using ETABS, while sub-structure components such as pile caps and foundations are analyzed manually and supported by PCA Column software. The structural elements are designed according to Indonesian codes, including SNI 2847:2019 for reinforced concrete, SNI 1727:2020 for minimum loads, and SNI 2052:2017 for steel reinforcement. The final design yields column dimensions ranging from 200×400 mm to 600×600 mm and beam dimensions from 250×400 mm to 350×700 mm, with slab thicknesses of 120 mm and 150 mm. The results confirm that the structure meets strength, stiffness, and ductility requirements. This research ensures compliance with national standards while enhancing structural safety in high seismic zones.
Effect of Glass Bottle Waste and Granite Waste as Coarse Aggregate Substitutes on the Compressive Strength of Normal Concrete Arif Rahman Hakim; Agyanata Tua Munthe
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.3

Abstract

The increase in waste from construction and daily human activities has raised environmental concerns, particularly the disposal of non-biodegradable materials such as glass and granite. This study investigates the potential use of glass bottle waste and granite waste as partial substitutes for coarse aggregates in normal concrete. The objective is to evaluate their influence on the compressive strength of concrete with a target strength of 20 MPa. Experimental tests were conducted using cylindrical specimens (15 cm × 30 cm), incorporating 3% glass waste and varying granite waste contents (3%, 5%, 8%, and 10%). A total of 45 specimens were tested at curing ages of 7, 14, and 28 days. The results show that the highest compressive strength of 25.20 MPa was achieved with 3% glass and 3% granite waste, surpassing the design strength. However, increasing granite content beyond 3% led to a gradual strength reduction. The findings indicate that limited substitution of both wastes is feasible without compromising structural performance. Future research should optimize mix design parameters to improve efficiency and explore higher substitution levels for environmental sustainability.
ANALISIS MODIFIKASI STRUKTUR GALLERY & LEG EKSISTING CONVEYOR AKIBAT PENAMBAHAN KAPASITAS PRODUKSI BATUBARA: (Studi Kasus Proyek BLC Upgrade 2000 TPH Kalimantan Timur) Agyanata Tua Munthe; Falldy Yudianto
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 8 No. 1 (2024): JCEBT MARET
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v8i1.10136

Abstract

Conveyor merupakan salah satu struktur penting dalam memfasilitasi perpindahan material secara massal dari satu tempat ke tempat lain, umumnya digunakan dalam berbagai sektor industri. Pada sebuah perusahaan pertambangan batu bara di Kalimantan Timur, terdapat fasilitas penanganan material berupa conveyor CV-204 dengan kapasitas 1000 TPH (ton per jam) pada tahun 2019. Seiring dengan peningkatan target produksi batubara, dibutuhkan peningkatan kapasitas conveyor tersebut menjadi 2000 TPH. Penelitian ini bertujuan untuk mengevaluasi kondisi struktural conveyor, khususnya pada bagian rangka gallery dan tiang leg, ketika kapasitas dinaikkan menjadi 2000 TPH. Analisis desain dilakukan dengan menggunakan perangkat lunak SAP.2000 V.14. Hasil penelitian menunjukkan bahwa tidak terjadi perubahan pada beban Walkway, beban Dust Suppression, dan beban Angin. Beban Carry Idler & Return Idler meningkat sebesar 37,83%, berdasarkan perhitungan Helix 2000 TPH. Beban Belt naik sebesar 7,74% dari perhitungan Helix 2000 TPH. Beban Cable meningkat sebesar 50% karena adanya penambahan komponen kabel listrik. Setelah dilakukan analisis dengan SAP2000, defleksi terbesar terjadi pada sambungan ke-149, dengan nilai defleksi -17,41 mm, yang masih memenuhi batasan defleksi yang diizinkan. Terdapat 15 batang yang berisiko mengalami kegagalan pada desain 2000 TPH, terdiri dari 10 batang dengan rasio tegangan 1,001-1,082 (warna merah) dan 5 batang dengan rasio tegangan 0,969-0,994 (warna oranye), namun batang-batang ini masih aman dari pengecekan tekuk (buckling). Penguatan dilakukan pada 15 batang Siku L70x70x7 dengan menambahkan profil yang sama, yaitu L70x70x7, yang dilas untuk membentuk penampang hollow 70x77x7. Rasio tegangan pada batang yang berisiko mengalami kegagalan mengalami penurunan sekitar 35,98% hingga 42,35% setelah penguatan, dengan nilai penurunan rata-rata sebesar 39,58%. Sebagai hasilnya, batang-batang tersebut kini aman dari pengecekan tekuk (buckling).
Pemanfaatan Pengaruh Subsitusi Semen Menggunakan Abu Batang Jagung (Zea Mays) dan Penambahan Serbuk Cangkang Bekicot (ACHATINA FULICA) Terhadap Kuat Tekan Beton Dian Ismawan; Agyanata Tua Munthe
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6653

Abstract

As the height of a structure supported by concrete increases, it demands a higher quality of concrete. However, increasing the use of concrete structures makes the materials that compose the concrete more expensive. In this study, corn stalk ash, which contains silica and has pozzolanic properties, was used to partially replace cement. Meanwhile, powdered snail shell can be assumed to act as a filler to fill the voids between aggregate particles. The study was conducted by replacing 7% of the cement weight with corn stalk ash and adding varying amounts of snail shell powder at 0.3%, 0.5%, 0.7%, and 0.9% of the cement content in the concrete mix for ages of 7 days, 14 days, and 28 days. The goal was to determine its effect on the concrete's density, compressive strength, and water absorption.The results of the study concluded that substituting 7% corn stalk ash and 0.3% snail shell powder after 28 days could increase compressive strength by +10.8%, reduce the density by -2.8%, indicating that the concrete becomes lighter, and reduce water absorption by -0.4%, indicating that the concrete becomes denser, which is beneficial for reinforced concrete as it protects the reinforcement from water and harmful substances. However, this substitution and addition led to a decrease in the slump value, affecting workability and making the concrete more difficult to mold.
Performance Evaluation of Concrete Incorporating Roof Tile Waste as Coarse Aggregate Replacement and Fosroc Conplast WP421 Admixture Agyanata Tua Munthe; Romadhon; Syafwandi
Momentum International Journal of Civil Engineering (MIJCE) Vol. 2 No. 2 (2026): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v2.i2.4

Abstract

The increasing demand for concrete in construction has encouraged the exploration of sustainable materials to reduce the consumption of natural resources and utilize construction waste. Roof tile waste has potential as a partial substitute for coarse aggregate, while chemical admixtures such as Fosroc Conplast WP421 can improve concrete workability and performance. This study aimed to evaluate the effects of roof tile waste and Fosroc Conplast WP421 on the workability and compressive strength of concrete. An experimental laboratory method was employed using cylindrical concrete specimens with a diameter of 150 mm and a height of 300 mm. Fosroc Conplast WP421 was added at 1.3% of cement weight, while roof tile waste was used as a 30% replacement for coarse aggregate. Slump tests and compressive strength tests were conducted at curing ages of 7, 14, and 28 days. The results indicated that the addition of Fosroc Conplast WP421 increased the slump value from 13.5 cm in normal concrete to 18.0 cm in concrete containing 30% roof tile waste. The highest compressive strength at 28 days was obtained by concrete containing 1.3% Fosroc Conplast WP421 without roof tile waste, reaching 39.65 MPa, while the mixture with 30% roof tile waste achieved 37.73 MPa. It can be concluded that Fosroc Conplast WP421 improved concrete workability and maintained satisfactory compressive strength. Further studies are recommended to investigate different replacement ratios and long-term durability performance. The findings contribute to the development of more sustainable concrete materials through waste utilization. 
Analysis of The Use of Sawdust Waste As Concrete Mixture Add Material Against Workability and Compressive Strength Concrete With Three Concrete Treatment Methods Syafwandi Syafwandi; Danu Setyo Sembodo; Agyanata Tua Munthe; Agung Sumarno
International Journal of Engineering, Science and Information Technology Vol 1, No 2 (2021)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1220.608 KB) | DOI: 10.52088/ijesty.v1i2.109

Abstract

Wood management activities that are often encountered, as in wood cutting activities in the manufacture of wooden handicrafts, basically after this activity can become a problem, namely sawdust waste, where this waste if left for so long will be a big problem and have an impact on the environment. One solution that can be used for the problem of sawdust waste is to mix this sawdust waste into a concrete mixture. This sawdust waste can be used in concrete mixtures because of the cellulose content in sawdust waste which can affect the compressive strength value with different concrete treatment methods (curing) and slump of concrete. In this research included into experimental research with wood used is wood kamper samarinda, from the leftover cutting of wood frames from craftsman wood UD. kembang Arum in Bekasi, West Java.  Using sawdust waste with a size that passes through sieve No.4 (passes through a 4.75 mm) with variaes addition of 0 kg/m3 , 1 kg/m3  dan 1,5 kg/m3, as well as testing with a concrete mixture that has a mix design of 35 MPa f'c which is inserted into the test object in the form of a cylinder with a diameter and height of 15 and 30 cm which is then for the treatment method done by three different methods. The addition of saw dust waste with a varies of 1 kg/m3  dan 1,5 kg/m3   to the concrete mixture makes the slump and workability values decrease, but the slump value obtained is still in accordance with slump value plan. and for compressive strength values with an addition variation of 1 kg / m3 and 1.5 kg / m3 , The compressive strength value changes from the normal compressive strength value of concrete and the effect of the treatment method also affects the compressive strength value obtained.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Gafur Agung Sumarno Agung Sumarno Agung Sumarno Agung Sumarno Agung Sumarno Agung Sumarno Aldo Wirastana Adinegara Andreas Triwiyono Arif Johansyah Arif Rahman Hakim Aulian Fiery, Hanif Danu Setyo Sembodo Destrina Dwi Aryani Dian Ismawan Dyah Robbiana Zulfa Elhazri Hasdian Falldy Yudianto Haikal Hadyan A S Harto Nurbian Hendy Yusman F Hendy Yusman Firdaus Hermanto Dwiatmoko Heru Andraiko Iksan, M Jatmiko, Guntur Juliawan W P Kukuh Mahi Sudrajat Muhammad Isradi Muklish Nalahuddin Noegroho, Muhammad Ardiansyah Pawening Esti Pramundi Rhenake Yovica Romadhon Sandi Indratama Sultona, Gilang Suprapto Siswosukarto Syafwandi Syamsiar, Syamsiar Trisna Dewangga Vidia Intan Deliani