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All Journal Prosiding SNITP (Seminar Nasional Inovasi Teknologi Penerbangan) Extrapolasi Journal Serambi Engineering (JSE) Proceeding of The International Conferences on Engineering Sciences
Karina Meilawati Eka Putri
Unknown Affiliation
Aerospace Engineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering 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.
The Effect of Building Irregularities on the Structural Performance of Air Traffic Control Towers in High Seismic Zones Ika Salsabila Nurahida; Karina Meilawati Eka Putri; Kemal Aziz
Proceeding of the International Conferences on Engineering Sciences Vol. 3 No. 1 (2026): January : Proceeding of the International Conferences on Engineering Sciences
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/iconfes.v3i1.189

Abstract

This study examines the seismic performance of slender Air Traffic Control (ATC) towers in high‑hazard regions (PGA > 0.4g), where vertical taper, torsional eccentricity, and top‑heavy cab mass can significantly increase drift, base shear, and collapse risk relative to conventional buildings. Existing studies often rely on linear procedures and outdated provisions, leading to underestimation of nonlinear behaviour and limited guidance for ATC towers designed to SNI 1726:2019. The research aims to quantify these irregularity effects and formulate design recommendations that satisfy Immediate Occupancy, Life Safety, and Collapse Prevention performance targets. The methodology couples response spectrum analysis, using a site‑specific Padang spectrum consistent with SNI 1726:2019 and ASCE 7‑16, with nonlinear pushover analysis interpreted through FEMA/ATC performance‑based criteria. A parametric study is performed on three cab configurations small, medium, and large modelled as 5%, 15%, and 25% mass ratios at the tower head, while keeping a 10 m × 10 m hybrid core–frame shaft constant. Results indicate that larger cab mass produces systematic but moderate increases in global displacement, story drift, and base shear, while plastic hinges localize primarily in the upper stories and cab‑support region, yielding performance levels from Immediate Occupancy to Collapse Prevention. Overall, the tower meets code drift limits and acceptable performance if local strengthening is provided around the shaft–cab interface, offering a calibrated reference for top‑heavy ATC tower design in Indonesian high‑seismic settings and identifying priorities for future time‑history and soil–structure interaction studies.
Evaluasi Stabilitas Lereng JLS Lot 3 Pantai Serang–Sumbersih Menggunakan Software Berbasis Limit Equilibrium Method Elang Wijaya Kusuma; Rani Ardiansyah Ardjito; Karina Meilawati Eka Putri
EXTRAPOLASI Vol. 23 No. 01 (2026)
Publisher : Universitas 17 Agustus 1945 Surabaya

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Abstract

Pembangunan infrastruktur jalan pada topografi ekstrem dengan kontur perbukitan terjal sering kali mengubah keseimbangan tegangan tanah yang berpotensi memicu ketidakstabilan. Untuk memitigasi risiko tersebut, evaluasi stabilitas lereng diperlukan guna memastikan keamanan infrastruktur jalan. Penelitian ini bertujuan untuk mengevaluasi stabilitas lereng pada proyek Jalur Lintas Selatan. Metode penelitian menerapkan analisis kuantitatif berbasis komputasi menggunakan Metode Kesetimbangan Batas. Instrumen analisis meliputi simulasi dengan metode Morgenstern Price, Bishop, Ordinary, dan Janbu yang memproses data sekunder berupa parameter sifat fisik tanah dan geometri lereng. Hasil penelitian menunjukkan bahwa seluruh metode analisis menghasilkan nilai Faktor Keamanan yang secara konsisten melampaui batas kritis 1,5 sesuai persyaratan standar SNI 8460:2017. Nilai Faktor Keamanan tertinggi sebesar 1,748 diperoleh melalui metode Bishop, sedangkan nilai terendah sebesar 1,648 dihasilkan oleh metode Janbu. Variasi nilai ini diakibatkan oleh perbedaan asumsi gaya antar irisan pada setiap metode, namun konsistensi angka di atas ambang batas mengindikasikan reliabilitas model yang tinggi. Disimpulkan bahwa kondisi lereng dikategorikan aman dan stabil, sehingga tidak berpotensi mengalami kelongsoran pada kondisi pembebanan yang dianalisis.
Co-Authors Ali Zainal Abidin Isa Alhabsyi Bambang Wasito Elang Wijaya Kusuma Fatika Putri Setianingsih Hendrata Wibisana Ifthar Ramadhana W Ika Salsabila Nurahida Kemal Aziz Rani Ardiansyah Ardjito