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All Journal REKA RACANA IPTEK The Journal of Engineering Aplikasia: Jurnal Aplikasi Ilmu-Ilmu Agama Didaktik : Jurnal Ilmiah PGSD STKIP Subang Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Muhammad Sigit Darmawan
Unknown Affiliation
Religion Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Mechanical Engineering Social Sciences Other

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Analisis Keterlambatan dalam Pelaksanaan Proyek Konstruksi Rumah Hunian Dempsey Hill, Citraland Utara, Kota Surabaya Yafie Abdillah Akbar; Ridho Bayu Aji; Gentur Prihartono; Muhammad Sigit Darmawan; Budi Suswanto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.983

Abstract

This journal examines the factors that have the potential to cause delays in the implementation of the Dempsey Hill residential housing construction project, North Citraland, Surabaya. Projects managed by CV. Tirta Kusuma has a target of completion in 10 months, but there are indications of delays that affect the schedule and costs. This study aims to identify and analyze the dominant factors causing delays, such as project management, material procurement, and human resources. The methods used include observation, questionnaire distribution, and literature study. The results of this analysis are expected to provide recommendations to improve time management, resource efficiency, and control of future construction projects. The results of data analysis in this study indicate that project delays are primarily caused by material delays and errors in work execution, as concluded based on the results of factor analysis.
PENDAMPINGAN STRATEGI PEMASARAN DIGITAL UNTUK MENINGKATKAN DAYA SAING UMKM BATIK DI DUSUN PIJENAN Muhammad Sigit Darmawan; Aulia Rahma Kusumaningtyas; Naufal al-Haq; Nisrina Indy Saqifa; Nafa Elifah Khairunnisa; Dani Darmawan; R. Rully Mahendra; Dimas Alfandi; Fahmi Muharomi Dzikri; Adi Putra; Nadiva Freya Danella; Gunawan Budi Susilo
Aplikasia: Jurnal Aplikasi Ilmu-ilmu Agama Vol. 25 No. 1 (2025)
Publisher : UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/aplikasia.v25i1.4216

Abstract

Abstract - Digital marketing strategies are crucial factors in improving the competitiveness of MSMEs in the era of globalization. Dusun Pijenan, a batik producer in Bantul Regency, faces challenges in marketing its products. Reliance on conventional marketing methods has limited the market reach of batik MSMEs in Dusun Pijenan. Currently, 80% of batik MSME sales in Dusun Pijenan rely on resellers, while only 20% come from direct buyers. This situation results in lower selling prices to resellers, thereby limiting business revenue. Therefore, a digital marketing training and mentoring program has been designed to assist batik MSMEs in Dusun Pijenan in optimizing digital technology to enhance market potential and competitiveness. This mentoring activity uses the Participatory Action Research (PAR) method, which directly involves MSME actors in the planning and implementation of digital marketing strategies. Several factors, such as limited technological knowledge, difficulties in managing digital marketing accounts, and a lack of personnel to manage digital platforms, pose challenges that need to be addressed during the mentoring process. The results of the activity showed a significant increase in visibility and customer interaction through the creation of digital marketing platforms, such as Instagram and WhatsApp Business. Additionally, the growth in online visitors from the creation of digital platforms was successfully implemented by the seven batik MSMEs in Dusun Pijenan. This mentoring program demonstrates that digital marketing can enhance the market potential and competitiveness of MSMEs in a sustainable manner.
EVALUASI STRUKTUR EKSISTING GEDUNG GRAHA PT PETROKIMIA GRESIK Muhammad Wahyu Firdani; Muhammad Sigit Darmawan; Budi Suswanto; Gentur Prihantono
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 01 (2026): Volume 12 No. 01, Maret 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i04.10974

Abstract

This paper discusses the Evaluation of the Existing Structure of the Graha Building of PT Petrokimia Gresik. The building was constructed on December 6, 2021, and handed over on June 28, 2023. However, in August 2025, cracks were discovered in the rear section of the building. These cracks were found in areas such as the staircase access from the 1st to the 2nd floor, the head office's room, and on beams across several floors. Consequently, a special identification of this damage is required, encompassing visual inspection, concrete surface hardness testing, concrete core sampling, and analysis using SAP2000. Therefore, a technical study is necessary to analyze the structural strength of the existing building. Based on the structural system analysis, the selected strengthening methods are: Adding new post columns using IWF 250 x 250 sections, Injecting the concrete cracks, Strengthening the cantilever beams using Carbon Fiber Reinforced Polymer (CFRP). Furthermore, risk mitigation for these work methods is required to ensure the project implementation can be completed safely.
Site-Specific Seismic Hazard Assessment and Ground Motion Selection for Nonlinear Time History Analysis Faradina Safiraa; Yuyun Tajunissa; Muhammad Sigit Darmawan; Hendra Wahyudi
IPTEK The Journal of Engineering Vol. 11 No. 3 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v11i3.a23085

Abstract

This journal aims to study a comprehensive methodology involving Deterministic Seismic Hazard Analysis (DSHA), site-specific ground motion selection, spectral matching, and nonlinear dynamic analysis on Beribis Kendeng Waleri Fault. Seven strong ground motion records were selected from the PEER NGA-West2 database and spectrally matched to the target response spectrum derived from DSHA parameters. Local site effects were incorporated through a site response analysis using detailed subsurface soil data, which classified the site as Class E (very soft soil). The resulting surface-level acceleration time histories were used in nonlinear time history analysis to assess structural performance.
Evaluasi Kinerja Statik dan Fatik Dermaga Peti Kemas Eksisting Akibat Operasional Harbour Mobile Crane Jaya Via Dewata; Muhammad Sigit Darmawan; Afif Navir Refani; Moh. Fadhlan Rosyidi; Kohar Yudoprasetyo
RekaRacana: Jurnal Teknik Sipil Vol 12, No 2: Juli 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v12i2.115

Abstract

ABSTRAKDermaga Petikemas Tarakan yang telah beroperasi sekitar 20 tahun direncanakan menerima tambahan beban Harbour Mobile Crane (HMC). Penelitian ini mengevaluasi kinerja statik dan fatik struktur eksisting menggunakan data survei visual, Non-Destructive Test, core drill, pemodelan SAP2000, kurva Wöhler/S-N, dan aturan Palmgren-Miner. Kuat tekan minimum core drill 24,63 MPa digunakan sebagai parameter konservatif. Hasil statik menunjukkan balok dan pelat 450 mm memenuhi, sedangkan pelat 350 mm tidak memenuhi. Analisis fatik menunjukkan beton pelat 350 mm gagal dengan D = 5.443.281,091, sementara beton pelat 450 mm dan balok masih memenuhi dengan D masing-masing 0,6047 dan 3,177 × 10⁻⁸. Operasional HMC perlu dibatasi pada area yang memenuhi atau disertai redistribusi beban dan perkuatan lokal.Katakunci: analisis fatik, analisis statik, dermaga petikemas, Harbour Mobile Crane, Palmgren-Miner ABSTRACTThe 20-year-old Tarakan Container Wharf is planned to accommodate additional Harbour Mobile Crane (HMC) loading. This study evaluates the static and fatigue performance of the existing wharf by integrating visual inspection, Non-Destructive Testing, core drilling, SAP2000 modelling, Wöhler/S-N curves, and Palmgren-Miner damage accumulation. The minimum core compressive strength of 24.63 MPa was adopted as a conservative material parameter. Static evaluation indicates that the beams and 450 mm slab remain adequate, whereas the 350 mm slab is inadequate. Fatigue analysis shows that the concrete of the 350 mm slab fails with D = 5,443,281.091, while the 450 mm slab and beam satisfy the fatigue limit with D values of 0.6047 and 3.177 × 10⁻⁸, respectively. HMC operation should therefore be limited to acceptable areas or supported by load redistribution and local strengthening.Keyword: fatigue analysis, static analysis, container wharf, Harbour Mobile Crane, Palmgren-Miner
Co-Authors Adi Putra Afif Navir Refani Aulia Rahma Kusumaningtyas Budi Suswanto Dani Darmawan Dimas Alfandi Fahmi Muharomi Dzikri Faradina Safiraa Gentur Prihantono Gentur Prihartono Gunawan Budi Susilo Hendra Wahyudi Jaya Via Dewata Kohar Yudoprasetyo Moh. Fadhlan Rosyidi Muhammad Wahyu Firdani Nadiva Freya Danella Nafa Elifah Khairunnisa Naufal al-Haq Nisrina Indy Saqifa R. Rully Mahendra Ridho Bayu Aji Yafie Abdillah Akbar Yuyun Tajunissa