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Ming Narto Wijaya
Jurusan Teknik Sipil Fakultas Teknik Universitas Brawijaya
Civil Engineering, Building, Construction & Architecture

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Journal : Rekayasa Sipil

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Studi Eksperimental Momen Batas pada Pelat Berusuk Akibat Pembebanan Merata Nurlina, Siti; Setyowati, Edhi Wahyuni; Wijaya, Ming Narto
Rekayasa Sipil Vol 4, No 3 (2010)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (484.837 KB)

Abstract

Pelat merupakan salah satu jenis struktur yang sering digunakan dalam dunia konstruksi. Banyak bangunan yang menggunakan pelat dengan berbagai variasi, salah satunya adalah adanya rusuk dengan dimensi dan jarak tertentu pada pelat tersebut. Tujuan dari penelitian ini untuk mengetahui dan membandingkan momen, lendutan pada pelat berusuk dengan pelat datar. Analisa plat dilakukan dengan menggunakan metode elastis pada plat berusuk. Untuk eksperimental, pelat yang dibuat adalah tiga buah pelat dengan variasi rusuk 10x10 cm dengan jarak antar rusuk 40 cm dan satu buah pelat berusuk. Pembebanan dilakukan dengan pemberian beban merata pada masing-masing pelat. Secara eksperimental, lendutan pelat datar lebih besar jika dibandingkan dengan pelat berusuk untuk titik yang sama pada tengah bentang pelat. Dari hasil perhitungan analisis nilai momen dan lendutan pada pelat datar lebih besar dibanding pelat berusuk pada tengah bentang pelat. Adanya rusuk pelat menjadi kaku dan distribusi momen merata dan lendutan yang terjadi juga lebih kecil. 
Perilaku Geser Dan Daktilitas Dinding Panel Jaring Kawat Baja Tiga Dimensi Akibat Beban Lateral Siklik Wijaya, Ming Narto; Wisnumurti, Wisnumurti; Utama, Defri Arya
Rekayasa Sipil Vol 10, No 3 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.015 KB) | DOI: 10.21776/ub.rekayasasipil.2016.010.02.04

Abstract

Rawannya korban gempa bumi akibat keruntuhan dinding, konsep pembangunan ramah lingkungan, serta efisiensi kinerja merupakan tiga aspek yang menuntut adanya inovasi di bidang konstruksi. Sejalan dengan perkembangan teknologi, salah satu inovasi tersebut adalah panel jaring kawat baja tiga dimensi yang merupakan produk SIPs, sebagai alternatif material penyusun dinding. Penelitian kemudian dirancang menggunakan dua seri spesimen, yaitu M4 dengan tebal EPS 40 mm dan M8 dengan tebal 80 mm. Keduanya memiliki lebar dan tinggi dinding berturut-turut 600 mm dan 900 mm, dengan tebal mortar mutu K175 yang disemprotkan 35 mm pada kedua sisi dinding, yang kemudian diangkurkan pada balok sloof. Pemberian beban dilakukan secara siklik dengan protokol pengujian berdasarkan kontrol defleksi. Mengacu pada analisis eksperimental, diperoleh bahwa energi disipasi pada seri M4 hampir 20% lebih besar dibandingkan seri M8. Sedangkan rasio redaman ekuivalen pada kedua seri spesimen dinding panel relatif sama. 
Koreksi Pembacaan Ultrasonic Pulse Velocity (UPV) Terhadap Kesalahan Akibat Ketidakstabilan Posisi Tranducer Sugeng P. Budio; Ming Narto Wijaya; Eva Arifi; Putri Dewanti
Rekayasa Sipil Vol 10, No 1 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.653 KB)

Abstract

Pengawasan dalam bidang konstruksi bertujuan agar struktur bangunan laik fungsi, dan metode NonDestructive Test (NDT) telah banyak digunakan di Indonesia. Ultrasonic Pulse Velocity (UPV) merupakan salah satu alat NDT yang dapat digunakan untuk mengetahui kualitas kerapatan beton. Gangguan sinyal atau noise akibat ketidakstabilan posisi tranducer selama pembacaan dapat mengakibatkan kesalahan dalam pengukuran, oleh sebab itu perlu dibuat suatu formula koreksi pembacaan. Penelitian ini dilakukan terhadap tiga jenis benda uji, dan masing-masing dibuat menggunakan tiga nilai kuat tekan karakteristik. Setelah dilakukan pengukuran menggunakan UPV terhadap seluruh benda uji, didapatkan penyebaran data yang sangat beragam yang ditampilkan dalam diagram box whiskers. Namun tidak terlihat suatu pola sebaran yang konsisten yang dapat digunakan untuk melakukan regresi yang bertujuan untuk menurunkan formula koreksi. 
Evaluasi Tegangan-Regangan Dengan Pemodelan Silinder Beton Ming Narto Wijaya
Rekayasa Sipil Vol 12, No 1 (2018)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (575.207 KB) | DOI: 10.21776/ub.rekayasasipil/2018.012.01.8

Abstract

Compressive strength is one of the main parameters in the analysis of concrete behavior. In general, the compressive strength of the concrete will be tested in the laboratory using the Uniaxial Compression Test tool. However, it requires a lot of energy and cost and a long time. For that we need an approach with a simulation of numerical methods that is with finite element method using ABAQUS aids program. Based on the results of numerical analysis, it is concluded that the modeling of concrete elements using ABAQUS element finite aids program can be done by creating 3D solid model, using C3D8R element type and discrete rigid plate as pressure load suppliers. Furthermore, plastic material input is used in the form of Concrete Damaged Plasticity (CDP). While the stress-strain distribution in concrete modeling using ABAQUS auxiliary program shows the distribution according to laboratory test result, especially the elasticity modulus seen from the relationship curve of stress-strain strain. However, there is a difference in the maximum compressive strength achieved between the two tests. Therefore, further analysis is needed to know the properties of the concrete material used in the analysis, and the damage behavior that will influence the input of the material being analyzed.
Bending Moment Responses Of Bridge Pile Foundation In A Liquefiable Soil Stratum Underlain By Irregular Bedrock Under Earthquakes Ming Narto Wijaya
Rekayasa Sipil Vol 9, No 3 (2015)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (619.033 KB)

Abstract

In the past earthquakes, there have been many reports about damage to bridge’s pile foundations caused by soil liquefaction. The purpose of this study is to investigate the bending moment responses of pile foundations of a bridge pier in a liquefiable soil stratum underlain by irregular bedrock under earthquakes. In this study, the effect of irregular bedrock on the bending moment responses of pile is investigated using nonlinear three-dimensional effective stress finite element method. The slope variation of inclined lateral rock and local intrusion of bedrock and two types of connection between pile cap and piles were considered in the analysis: fixed connection and hinge connection. Three acceleration time-histories were used as input motion. From the parametric studies, it was found that the effect of irregular bedrock on the bending moment responses of pile depends on the characteristics of earthquake motions, location of pile within the pile group and sometimes the configuration of the irregular bedrock. Therefore, it is important to check the adequacy of pile foundation design using the earthquake motions measured at the construction site whose bedrock configuration should be determined as accurately as possible. 
The Effectiveness Of Using Column Formwork In A Multi-Story Building Construction Project Vansya, Muhammad Lawdy Dhiyaa; Arifi, Eva; Wijaya, Ming Narto
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.14

Abstract

Building the structural components is crucial for constructing a multi-story building. In the process of creating these components, which is commonly done through casting, a tool called formwork is required. Formwork is a tool used to mold the necessary concrete structures, ensuring that their shape and dimensions align with the concrete material's planning. Formwork tasks for concrete work significantly impact costs. Different formwork options, including traditional, semi-system, and full-system forms, are available. This research aims to assess cost-effectiveness through value engineering, specifically focusing on column formwork, by comparing their utilization in a multi-story construction project. The study begins by collecting primary data, namely working drawings, so that the volume of conventional formwork can be calculated. Then, budget planning calculations are made to analyze the cost comparison of each formwork alternative. The selection of the appropriate formwork affects the speed of execution and the costs incurredIn this construction project for the building, the conventional column formwork results in expenses amounting to IDR 587,749,263.04 and requires 28 days for completion, while semi-system column formwork achieves a 37% cost saving with the same duration of 28 days, and full-system column formwork becomes 64% more cost-effective with a construction period of 10 days.
Sustainability and Environmental Impact of Polymer Concrete with Styrene Monomer and GGBFS In Structural Applications: A Literature Review Nursamhuda, Wahyu; Susanti, Lilya; Wijaya, Ming Narto
Rekayasa Sipil Vol. 19 No. 1 (2025): Rekayasa Sipil Vol. 19 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.01.12

Abstract

Polymer concrete using styrene monomer and Ground Granulated Blast Furnace Slag (GGBFS) as key components show great potential in sustainability and environmental impact for structural applications. This study examines its ability to reduce carbon emissions, improve energy efficiency through recycled materials, and reduce reliance on Portland cement. Using styrene monomer enhances resistance to corrosion and cracking but also presents challenges related to volatile organic compound (VOC) emissions, which are harmful to the environment. The literature review concludes that although this polymer concrete shows promise as an environmentally friendly material, further development is needed to address sustainability challenges, particularly in production and material recycling processes. Additional research is required to overcome production efficiency and material recycling challenges.
Comparison of Strain Histories on Reinforced Concrete Eccentric Braced Frame (EBF) With Vertical and Horizontal Link Wijaya, Ming Narto; Susanti, Lilya; Pinontoan, Frisca Presley
Rekayasa Sipil Vol. 19 No. 2 (2025): Rekayasa Sipil Vol. 19 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.02.5

Abstract

This study investigates the seismic performance of reinforced concrete Eccentrically Braced Frames (EBF) with vertical and horizontal link beams subjected to cyclic loading. The main objective is to compare strain histories and evaluate energy dissipation in vertical and horizontal link configurations. Experimental results indicate that vertical links, especially those with shorter lengths (15 cm), exhibit higher strain values, leading to significant plastic deformation and enhanced energy dissipation, though at the cost of increased damage and repair needs. Conversely, horizontal links remain largely within the elastic range, maintaining better structural integrity but offering less energy dissipation during seismic events. The CBF (Concentrically Braced Frame) control specimen showed minimal deformation and lower energy absorption. The findings suggest that vertical links are more suitable for energy dissipation in seismic design, while horizontal links offer greater durability and lower post-event maintenance. The balance between energy absorption and repairability is crucial for optimizing EBF systems in earthquake-prone areas. (explain the findings related to the purpose of this paper: to determine the effects of link orientation on strain distribution, energy dissipation, and structural integrity during seismic events).
Seismic Capacity of Reinforced Concrete Eccentric Braced Frame (EBF) With Vertical Link Using 20% GGBFS I Gde Eka Wiranatha; Wijaya, Ming Narto; Susanti, Lilya
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.7

Abstract

EBF-V bracing is highly attractive due to its good seismic performance in high seismic zones. Vertical link beams as a component are capable of high elastic displacement and ductility to absorb lateral forces through shear-bending collapse mechanisms. However, the lateral load capacity of the bracing has to be sacrificed as it tends to decrease. The present study focuses on the capacity and lateral behavior of reinforced concrete eccentrically braced frame (EBF) with vertical link beam and tighter reinforcement spacing in the link beam in combination with GGBFS. GGBFS at 20% can improve the mechanical properties by reducing the pore number of the concrete due to the smaller particle size of OPC.This study uses CBF-V as a control to investigate the seismic behavior of tightly spaced transverse reinforcement (75 mm) in EBFs’s vertical link beam with eccentricities of 15 cm and 25 cm. In addition, the role of GGBFS was also observed through the displacement and ductility of the frame. As a result, the CBF has the highest plasticity. However, the tight reinforcement spacing of the vertical link beam in the EBF-V-15 results in the highest restraint, resulting in excellent stiffness and ductility through earthquake absorption with a shear collapse mechanism. In addition, GGBFS also plays a role in improving the collapse mechanism, which is characterized by large elastic displacement and high ductility.
Crack Behavior of Eccentrically Braced Frame Type-V with Ground Granulated Blast Furnace Slag Yohanes Ola Sira Lamawato; Susanti, Lilya; Wijaya, Ming Narto
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.8

Abstract

To make the structure stronger and stiffer, which is more susceptible to earthquake forces, a special mechanism is required to improve the structure's lateral stability. EBF-V with a horizontal link beam is a brace that can enhance structural performance by providing good stiffness and ductility. On the other hand, GGBFS, as a partial OPC replacement material, was applied to contribute to using more environmentally friendly materials. Besides offering a smaller carbon footprint, GGBFS also positively improves the mechanical properties of concrete. Thus, this study focuses on investigating the crack propagation pattern of reinforced concrete braced frames combined with 20% GGBFS in EBF-V with three variations of link beam element lengths of 0 cm (CBF), 15 cm (EBF-V-) and 25 cm (EBF-V-25). As a result, the CBF specimen showed the best seismic performance. In EBF specimens, there is an increase in the collapse mechanism to be more ductile. The link beam plays a role in making the crack pattern more focused. EBF-V-15 performs well under seismic loading with large lateral capacity and ductility. The cracks in the frame are evenly distributed, dominated by fine cracks, and symmetrical on both sides. This validates that GGBFS plays a good role in improving the frame performance with its pore-filling effect and pozzolanic reaction.
Co-Authors ., Rafdy Abadiah, Yuli Nur Agraprana, Andhika Aji Wijaya, Dwi Prasetyo Alfianto, Alif Alifian Arzaq, Bachrudin Muhammad Andhareshi, Farly Anorogo, Bagus Anugrah, Ahmad Yuri Aprilliza, Hani Ari Wibowo Astuti, Kamiliyana Puteri Aulia, Rahmi ‘Isa Mahendra, Ridho Firdaus B. K., Bhondana Bayu Bhondana Bayu B.K Brahmana Kridaningrat, Bhondana Bayu Cendekiawan Putra, Moch Aldin Datu, Crescencia Bunga Desy Setyowulan Devi Nuralinah Dwijo Wibowo, Christoforus Aditya Edhi Wahyuni Setyowati Eva Arifi Faisal, Muhammad Rifky Fauzan, Mohammad Fawait, Ilfan Febrian, Abid Ferdiansyah, Hafidh Firdausy, Ananda Insan Firdausy, Ananda Insan Halim, Riandy Hamzah, Muhammad Hasan, Ahmad Akbar Hedyanto, Aldy Zinedine Hidayat Jati, Muhammad Iqbaal Hidayat, M. T Hidayat, Muhammad Farras I Gde Eka Wiranatha Ibady, Azka Fardany Indra Waluyohadi, Indra Indradi Wijatmiko Irfansyah, Muhammad Nur Jarwo Saputra, Muhammad Aldo Jelian, Adven Jokhu, Paulus Daniel Juniarty, Elliana Kamal, Wan Muhammad Khamdani, Muhammad Ali Kurniawan, Ari Tri Laksono, Rizal Adhit Lilya Susanti Lilya Susanti Listiana, Henri M. Taufik Hidayat M., Novita Gusmayati MAULANA, ARDIAN SUBHAN Maulana, Farhana Irvan Melindasari, Elfira Muftie, Bayu Adiprasyad Muhammad Yusuf, Fathullah Munadi, Abu Qasim, Muhammad Yusuf, Mumtaz Aly, Bilqis Anjanaa Muslim, Muhammad Syaiful N., Faiq Putra Natasa, Fani Nawawi, Imam Nouvaliansyah, Mochammad Drajad Novriadi, Ilham NUGROHO, CANDRA ADI Nugroho, Eko Prasetyo Nugroho, Rahadian Dwi Nur Latifah, Amike Nuriani Virgianti, Febbi Ayu Nursamhuda, Wahyu Pangestu, I Made Surya Wisnu Pinontoan, Frisca Presley Pramitari W.D, Sagung Istri Pratama, Rizky Fajar Pratama, Sony Pratsiwi, Dyah Ayu Prawira, Jodi Bagus Puspitasari, Linda Andita Putera, Raihan Ananta Puterawardhana, Sjahihza Putranto, Rheza Febrian Putri Dewanti Rachman, Muhammad Arif Rachmawan, Fahmi Akbar Ramadhanti, Dias Ayu Randha, Yehuda Keyzia Ridzkyvianto, Muhammad Faiz Rifai, Rahmat Bahtiar Risaldi, Yulizar S, Rinaldi Sabrina, Raissa Salim, Ahmad Agus Samudra, Gibran Satria Sasmita, Mochamad Hadi Setiadi, Alan Dharmasaputra Simanjuntak, Jackson Bernath Siti Nurlina Sofiana, Dini Sri Murni Dewi Sugeng P. Budio Sugeng P. Budio Sugeng P. Budio Suseno, Kartika Candra Syafirra, Sonnia Taufik Hidayat Tennyson, Albany Tuanany, Syafiqah Rizky Utama, Defri Arya Vansya, Muhammad Lawdy Dhiyaa W., Hafidz Ohtavian Wahyu Abadi, Kusuma Putri Wanda, Mahardhika Nurislam Wicaksono, Ananta Dzaky Wisnumurti . Wresniwira, Sastria Yohanes Ola Sira Lamawato