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All Journal REKAYASA AGREGAT Prosiding SNITP (Seminar Nasional Inovasi Teknologi Penerbangan) EPI International Journal of Engineering International Journal of Engineering, Science and Information Technology Extrapolasi AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Talenta Sipil International Journal Science and Technology (IJST) JITSi : Jurnal Ilmiah Teknik Sipil Journal Serambi Engineering (JSE) Jurnal Teknik Sipil Journal of Engineering and Technological Sciences Advance Sustainable Science, Engineering and Technology (ASSET) Jurnal Abdi Karya Sipil Proceeding of The International Conferences on Engineering Sciences
Karina Meilawati Eka Putri
Universitas Pembangunan Nasional Veteran Jawa Timur
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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STUDI PERENCANAAN PONDASI BORE PILE PADA PEMBANGUNAN GEDUNG TERMINAL BANDAR UDARA NGLORAM BLORA Fatika Putri Setianingsih; Bambang Wasito; Karina Meilawati Eka Putri
Prosiding SNITP (Seminar Nasional Inovasi Teknologi Penerbangan)
Publisher : Politeknik Penerbangan Surabaya

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Abstract

One of the important parts in a building planning is foundation planning. The foundation is the lower structure of the building construction that is directly related to the ground and functions as a load-bearing building from above and will channel it into the ground. The existence of the foundation is not something that is not important, but has a big influence in the construction of the building to be built. The bore pile foundation is the foundation chosen for the Ngloram Airport construction project because it has several advantages such as the diameter and depth of the pile that can be changed as specified. The airport, which is located in the middle of the rice fields, has a type of clay soil, therefore the calculation of the magnitude of the load and the carrying capacity of the soil is very necessary in planning the foundation. The calculation of the carrying capacity is based on CPT data (cone penetration test) using 2 methods, namely Reese & Wright and O'neil & Reese. From the results of the analysis using the Reese & Wright method, Qijin was obtained at 483.1471 kN, while the results from O'neil & Reese obtained Qijin at 418.9704 kN. For the results of the calculation of the load calculated using the SAP 2000 application is 402.851 kN. So it can be concluded that the foundation is safe in holding the load on it.
Analisa Perbandingan Metode Lifting Hammer Menggunakan Crane dan Frame Portal untuk Uji PDA Pada Tiang Bore Pile Berdasarkan Analisa Mutu, Waktu dan Biaya Ali Zainal Abidin Isa Alhabsyi; Ifthar Ramadhana W; Hendrata Wibisana; Karina Meilawati Eka Putri
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The foundation is an important part of building construction, acting as a support for the building and transferring loads evenly from the upper structure to the ground. In construction projects, one of the most important activities is to test the bearing capacity of bore piles using the Pile Driving Analyser (PDA) method. The purpose of this test is to ensure that the capacity of the bored pile can meet the structural requirements of the toll road, particularly in the face of significant vertical and lateral loads. Improving the efficiency of the PDA (Pile Driving Analyzer) testing method is an important challenge in the foundation of bored piles in infrastructure projects. This study discusses the analysis of the use of the Frame Portal PDA as an alternative to the crane hammer method. The analysis includes quality, time and cost aspects on the Toll project. The results show that the PDA Portal Frame method is more efficient with a cost saving of Rp109,010,524.00 and a reduction in implementation time for 2 days of test points compared to the crane method. In addition, the PDA Portal Frame structure has a maximum deformation of 0.030 mm, which is within safe limits according to SNI 2847-2019.
Produktivitas Alat Berat Concrete Pump dengan Perbandingan Elevasi Pengecoran Dwi Cahya, Maulana Zidan; Prasetyo, Dimas Bagus; Wibisana, Hendrata; Eka Putri, Karina Meilawati
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.825

Abstract

Construction projects are influenced by various factors, one of which is the productivity of heavy equipment used. One such equipment used in concrete pouring projects is the concrete pump, which functions to transport fresh concrete to the pouring location. This study aims to measure the productivity and time efficiency of concrete pump usage in the construction of the Aston Inn Hotel in Lumajang. The equipment's productivity is calculated based on the volume of concrete pumped and the time required for the pouring process. The results showed that the productivity of the concrete pump on the 5th floor was 0.219 m³/min, while on the 6th floor, it was 0.166 m³/min, with an elevation difference of 3.4 meters between the floors. Time efficiency was also measured, with the pouring of 63 m³ of concrete taking between 30 and 45 minutes, depending on the proximity of the concrete mixer truck to the project site. This study provides insights into how optimizing the use of heavy equipment can improve productivity and efficiency in construction projects, especially in concrete pouring tasks with a concrete pump.
Kombinasi Alat Berat pada Pekerjaan Pemindahan Tanah Dan Galian pada Pembangunan Jalan Jalur Lintas Selatan Lot 3 Pantai Serang – Sumbersih Septiono, Wisnu Panji; Syahputra, Aldy; Wibisana, Hendrata; Putri, Karina Meilawati Eka
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.827

Abstract

The construction of roads is one of the key aspects to support economic growth and facilitate community mobility. A crucial stage in this project is the earthmoving and excavation work, which requires proper heavy equipment planning to achieve efficiency in terms of time, cost, and quality. This analysis aims to evaluate the optimal combination of heavy equipment for the construction project of the South Coastal Road (JLS) Lot 3 Pantai Serang – Sumbersih, focusing on excavation and earthmoving tasks. The project faces complex geographical challenges, such as hilly terrain and varying soil types, which necessitate the use of suitable heavy equipment to optimize productivity. Using a quantitative approach, data collection, documentation studies, and interviews were conducted. The collected data were then analyzed using productivity calculation formulas for heavy equipment to identify the most efficient combination of heavy machinery. The results show that a combination of heavy equipment consisting of 1 Kobelco SK200 excavator, 1 Kobelco SK200 excavator, 4 dump trucks, and a bulldozer can improve work efficiency and reduce the required time and costs. Hence, Combination 1 was selected as the most optimal choice for excavation and earthmoving work in the JLS Lot 3 Pantai Serang – Sumbersih road construction project, achieving a total duration of 15,730 hours and a cost of IDR 25,837,774,442.
Financial Performance Assessment of Flat Buildings Using Life Cycle Cost and Cost–Benefit Analysis Griselda Junianda Velantika; Reguel Mikhail; Karina Meilawati Eka Putri; Elok Dewi Widowati; Rizqi Alghiffary; Muhamad Fauzan Akbari
Advance Sustainable Science Engineering and Technology Vol. 7 No. 1 (2025): November-January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i1.1005

Abstract

Buildings resulting from construction projects are durable assets and decisions related to construction projects have enduring impacts. In many cases, building owners prioritize only the initial costs, such as building design, construction, and equipment costs, while neglecting the future operation and maintenance costs. This research studies life cycle costing (LCC) analysis to evaluate the financial feasibility of urban housing. The LCC calculates all the costs incurred and benefits during the building's operation. The cost is generated from construction, operational, and maintenance costs. At the same time, the benefit breaks down into flat rental costs, retail rental costs, and parking costs. The costs incurred are estimated over 25 years, and the parameters of feasibility are net Present Value (NPV), Benefit-Cost Ratio (BCR), and Internal Rate of Return (IRR). The study generates negative NPV, BCR < 1, and 0.61% of IRR. It indicates that the project is not feasible. This research gives alternatives to make the project feasible. This study employed a trial-and-error approach to ascertain the viability of investing in flat rentals by systematically adjusting rental rates. Incremental adjustments to rental rates are tested by a series of rate hikes of 50%, 100%, 150%, and 200% using a trial-and-error approach. The project will become feasible if the flat rate increases to 150-200% of the initial rental rate.
Dynamics Responses of a Block Machine Foundation and a Pile Group Foundation Systems on Stratified Residual Soils in Indonesia by Lumped Mass and Finite Element Methods Susila, Endra; Ary, Wim Ramartsa; Sahadewa, Andhika; Putri, Karina Meilawati Eka; Zulkifli, Ediansjah; Sadono, Kresno Wikan
Journal of Engineering and Technological Sciences Vol. 56 No. 2 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.2.6

Abstract

This paper presents a comprehensive study of the dynamic responses of machine foundations, both block and pile foundations, on stratified residual soils in Duri and Ulubelu, Indonesia. The evaluation was conducted using two widely recognized methods: the lumped mass method (LMM) and the finite element method (FEM). LMM and FEM were performed by utilizing DYNA and ABAQUS, respectively. The analysis results showed that LMM generally predicted more conservative displacements compared to FEM. This conservatism in predicted displacement was more pronounced for pile group foundations, which are inherently more flexible than block foundations. Additionally, this study found that the resonance frequencies obtained through both analysis methods were not the same. Furthermore, this paper includes a parametric study and presents its results to assess the influence of key factors, i.e., pile cap thickness, pile diameter, number of piles, and vertical dynamic loads, on displacement.
ANALISIS DAYA DUKUNG AKSIAL DAN LATERAL FONDASI TIANG BOR PADA PROYEK JEMBATAN DAERAH NGANJUK Sanhaji, Salsabila Faranande; Khafidh, Syarif Nur; Putri, Karina Meilawati Eka
Jurnal Teknik Sipil Vol 4, No 2 (2025): Edisi Desember
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jtsip.v4i2.12953

Abstract

Fondasi Tiang bor merupakan jenis Fondasi dalam yang banyak digunakan pada konstruksi jembatan karena kemampuannya dalam menahan beban aksial dan lateral secara bersamaan. Pada Proyek Rekonstruksi Jembatan Daerah Nganjuk, analisis kapasitas dukung Fondasi menjadi sangat penting mengingat variasi kondisi tanah dan besarnya beban yang bekerja pada struktur. Penelitian ini bertujuan untuk menganalisis daya dukung aksial dan lateral FondasiTiang bor berdasarkan data Standard Penetration Test (SPT). Analisis daya dukung aksial dilakukan menggunakan metode Luciano Decourt untuk memperoleh nilai kapasitas ultimit (Qu) dan kapasitas izin (Qall), sedangkan analisis daya dukung lateral dilakukan menggunakan metode Finite Difference untuk mengevaluasi perilaku defleksi, momen lentur, dan gaya geser tiang. Hasil analisis menunjukkan bahwa kapasitas ultimit aksial tiang sebesar 7.580,585 kN dengan kapasitas izin sebesar 2526,86 kN, yang masih lebih besar dibandingkan beban aksial kerja sebesar 833,754 kN. Analisis lateral menunjukkan defleksi maksimum sebesar 6,4 mm pada Load Case 1 dan 1,6 mm pada Load Case 2, yang masih berada di bawah batas izin defleksi lateral menurut SNI 8460:2017 sebesar 12 mm. Dengan demikian, dapat disimpulkan bahwa FondasiTiang bor pada proyek ini telah memenuhi persyaratan daya dukung aksial dan lateral serta aman digunakan untuk mendukung struktur jembatan.
Analysis of Natural Stone Wall Function Index Using Fuzzy Building Service Life (FBSL) Griselda Junianda Velantika; Ayu Fatimah Sari; Karina Meilawati Eka Putri; Elok Dewi Widowati
International Journal Science and Technology Vol. 5 No. 1 (2026): March: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v5i1.2612

Abstract

Natural stone wall claddings are widely used in residential buildings, but their functional performance often declines earlier than the building’s structural design life due to environmental exposure and installation-related deterioration. Objective: This study aims to quantify the functional condition of natural stone wall claddings using a Function Index (FI) so that maintenance decisions can be made more consistently and objectively. Methodology: A quantitative case-study approach was applied to five residential buildings in Situbondo Regency. Data were collected through field observations and building-age documentation, assessed using expert judgment, and analyzed using a fuzzy inference-based Fuzzy Building Service Life (FBSL) model to obtain a crisp FI score for each building. Findings: The results indicate that one building was classified as moderate/fair (FI = 56), while four buildings were classified as poor (FI = 0–23), implying higher maintenance urgency. When linked to the estimated Remaining Service Life (RSL) under an assumed 50-year design life and a 2020 observation year, an exploratory exponential relationship between FI and RSL was obtained (y = 12.177e0.3243x; R² = 0.7444). Implications: The FI can serve as a practical decision-support indicator to prioritize immediate repair, scheduled maintenance, or routine monitoring for façade components, even when the building still has considerable remaining design life. Originality: This research contributes by integrating a fuzzy-based functional condition index for natural stone claddings with a remaining service life perspective in a residential case-study context, bridging qualitative inspection outcomes with interpretable maintenance planning.
Analisis Evaluasi Tiang untuk Stabilisasi Lereng dengan Metode Elemen Hingga Dua Dimensi Karina Meilawati Eka Putri; Griselda Junianda Velantika; Rizqi Alghiffary; Elok Dewi Widowati; Muhamad Fauzan Akbari
AGREGAT Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v11i1.31293

Abstract

Landslides due to slope instability are natural phenomena that can lead to substantial damage to infrastructure, loss of property, and human fatalities. Slope-stabilizing piles are among the most effective and widely used recently to increase slope stability. This paper presents an evaluation of slope-stabilizing piles using 2D finite element method (FEM), including a parametric study on the effects of pile diameter, pile spacing, and pile length on the pile responses, such as bending moment and deformation. The analysis conducted in this research employed the 2D FEM. FEM modeling was performed with the plane strain model and the Hardening Soil (HS) soil constitutive model. A parametric study was conducted by varying the pile parameters, such as pile length (12, 16, and 20 meters), diameter of pile (0.6, 0.8, 1.0, and 1.2 meters), and pile spacing (1.5D, 2D, 3D, and 4D). Based on the analysis results, pile length shows the most significant influence on slope stability; an increase in pile length is proportional to an increase of the factor of safety and bending moments but inversely proportional to the resulting deformation. On the other hand, pile diameter was found to have no significant impact on the improvement of the Factor of Safety in this study, although dimensional variations affect internal forces, specifically regarding deformation and bending moment distribution within the pile. Furthermore, increasing the spacing between piles tends to decrease the factor of safety because it weakens the soil arching mechanism, which subsequently increases deformation at the pile head. This research suggested that the optimization of slope stability is more dependent on the embedment length of pile and pile spacing rather than the pile diameter.
Analisis Komparatif Potensi Likuefaksi Menggunakan Metode Youd & Idriss dan Idriss & Boulanger Berdasarkan Data SPT M Naufal Ramadhan Naufal; Bagas Aryaseta; Karina Meilawati Eka Putri; Miguel Felix Wijaya
AGREGAT Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v11i1.31444

Abstract

Indonesia is one of the countries with high levels of seismic activity because it lies at the junction of three major tectonic plates and along the Pacific Ring of Fire. These conditions make several regions, including the Special Region of Yogyakarta, vulnerable to earthquakes and their associated impacts, one of which is liquefaction. This study aims to analyze the potential for liquefaction in the Yogyakarta Toll Road Construction Project, Section 2, Package 2.1, Sleman, using the Youd & Idriss and Idriss & Boulanger methods based on Standard Penetration Test (SPT) data. The analysis was conducted at three borehole locations—BH-86, BH-89, and BH-93—selected because they have the highest groundwater levels, thereby representing the most critical conditions regarding the likelihood of liquefaction. Earthquake magnitude variations of 6, 6.3, and 7 were used in this study to evaluate the influence of magnitude on liquefaction potential at the study site. The analysis was conducted by calculating soil resistance parameters against liquefaction based on each method, then comparing the results for each borehole and earthquake magnitude variation. The analysis results indicate that an increase in earthquake magnitude leads to an increase in soil cyclic load and a decrease in the Safety Factor value, thereby increasing the potential for liquefaction. Soil layers located below the groundwater table exhibit higher vulnerability to liquefaction compared to those above it. A comparison of the results shows that both methods exhibit similar trends, namely that the potential for liquefaction increases as earthquake magnitude increases. However, the Idriss & Boulanger (2008) method generally yields lower Safety Factor values compared to the Youd & Idriss (2001) method, making it more conservative in evaluating liquefaction potential. Thus, this study demonstrates that variations in earthquake magnitude and differences in analytical methods influence the results of liquefaction potential evaluations at the study site.
Co-Authors Ali Zainal Abidin Isa Alhabsyi Alivia Wulan Yufika Andhika Sahadewa, Andhika Arasi Arahman Ary, Wim Ramartsa Aryaseta, Bagas Aulia Dewi Fatikasari Ayu Fatimah Sari Bambang Wasito Dian Purnamawati Solin Dimas Bagus Prasetyo Dwi Cahya, Maulana Zidan Elang Wijaya Kusuma Elok Dewi Widowati Endra Susila Fatika Putri Setianingsih Griselda Junianda Velantika Griselda Junianda Velantika Griselda Junianda Velantika Hendrata Wibisana Ifthar Ramadhana W Ika Salsabila Nurahida Karina Jelita Putri Kemal Aziz Khafidh, Syarif Nur Kresno Wikan Sadono M Naufal Ramadhan Naufal Miguel Felix Wijaya Muhamad Fauzan Akbari Rani Ardiansyah Ardjito Reguel Mikhail Rizqi Alghiffary Rizqi Alghiffary Sanhaji, Salsabila Faranande Septiono, Wisnu Panji Syahputra, Aldy Vio Aditya Pratama Wijaya Zulkifli, Ediansjah