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Kajian terhadap Pengendalian Puncak Banjir dengan Menggunakan Kolam Retensi pada DAS Bekala di Kota Medan Priambodo, Sebastianus; Hamzah, Yayu Sriwahyuni
Portal: Jurnal Teknik Sipil Vol 16, No 2 (2024): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v16i2.5377

Abstract

munculnya banjir yang merugikan aktifitas kehidupan. Banjir yang berasal dari luapan sungai, drainase kawasan maupun pasang surut air laut umum terjadi di sebagian kota besar di Indonesia. Sistem drainase makro dan mikro menjadi objek pembicaraan saat musim hujan datang.Berkurangnya lahan untuk penyerapan air, bertambahnya luasan permukiman dan usaha menjadi umum terlihat di pinggiran kota besar saat ini. Daerah bantaran sungai menjadi berkurang dampak perluasan pembangunan untuk memenuhi kebutuhan aktifitas manusia. Koefisien pengaliran pada siklus hidrologi sebagai suatu keseimbangan alam semakin membesar seiring pembangunan yang terjadi. Rekayasa teknis telah disiapkan untuk menekan dampak resiko banjir, namun perlu dipararelkan dengan peningkatan kesadaran masyarakat akan fenomena alam ini. Usulan kolam retensi banjir untuk menekan puncak banjir di Kecamatan Medan Tuntungan tidak menjadikan daerah ini bebas banjir, namun setidaknya mengurangi resiko yang terjadi.
Optimalisasi Penyebab Keterlambatan Proyek Revitalisasi Gedung Sekolah Pascasarjana Kampus B Universitas Airlangga Wahyudi, Agus; Dzinnur, Cilda Thesisa Ilmawan; Hamzah, Yayu Sriwahyuni
Jurnal Basement : Jurnal Teknik Sipil Vol. 2 No. 2 (2024): Jurnal Basement : Jurnal Teknik Sipil
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/basement.v2i2.14873

Abstract

Delays in the Airlangga University Postgraduate school building revitalization project occurred due to design changes, weather and some invalid data. The aim objective this study is to identify the contributing components. delays and obtain the root of the problem which has the most important role in resolving work delays on a construction project for the revitalization of the postgraduate building at Arilangga University. This research began with collecting data through field surveys, and observing what factors caused delays that occurred during the execution of the building of the Arilangga University postgraduate building revitalization project. The methods for gathering data that were employed in this study are, firstly primary data and secondly secondary data. Primary data is data produced through field surveys, interviews and observations. Meanwhile, secondary data is based on literature study, information from related parties. This research uses the same data collection techniques as in research conducted by others relevant research. Interview and observational data revealed that the elements contributing to the delays in the construction of the Arilangga University postgraduate building revitalization project were: 1) design changes due to the unsuitability of the function of several building structures, 2) delays in material supplies, 3) unpredictable weather. Of the several factors causing delays Regarding this project, one could say that delays occurred in design changes and delays in material supplies
Pelatihan Teknik Ecoprint Sebagai Upaya Peningkatan Keterampilan Kelompok PKK Desa Janti Waru Sidoarjo Hamzah, Yayu Sriwahyuni; Safitri, Feby Salma Ayu; Priambodo, Sebastianus; Ikhwanuddin, Ikhwanuddin; Dzinnur, Cilda Tesisa Ilmawan; Judiono, Judiono; Djaelani, M.
Jurnal Pengabdian Masyarakat Vol. 4 No. 1 (2025): Juni 2025
Publisher : Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/japamas.v4i1.206

Abstract

This community service activity aims to improve the skills of PKK members in Janti Waru Village, Sidoarjo through ecoprint technique training as a form of community empowerment based on local potential. The training adopted the Asset-Based Community Development (ABCD) approach, focusing on utilizing community-owned assets such as natural materials from the surrounding environment. The training was conducted through several stages: preparation, material delivery, hands-on practice, and evaluation. Questionnaire results showed that 90% of participants strongly agreed that the training improved their skills, 65% stated that the materials were clearly delivered, and 95% of participants expressed interest in ecoprint techniques. However, only 50% of participants indicated readiness to develop ecoprint-based businesses. These findings suggest that while the training was effective in enhancing skills and interest, further mentoring is needed to encourage the establishment of independent businesses. Overall, this activity has made a positive contribution to women’s empowerment and the sustainable development of local economic potential.
ANALISA PERBAIKAN TANAH MENGGUNAKAN METODE PRELOADING DI PROYEK REKLAMASI TERMINAL TELUK LAMONG Sadili, Mochamad; Hamzah, Yayu Sriwahyuni
SISTEM Jurnal Ilmu Ilmu Teknik Vol 20 No 3 (2024)
Publisher : Fakultas Teknik Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/sistem.v20i3.295

Abstract

Proyek reklamasi di Terminal Teluk Lamong melibatkan upaya perbaikan tanah yang ekstensif untuk memastikan stabilitas dan keberlanjutan lahan yang baru terbentuk. Penelitian ini berfokus pada analisis perbaikan tanah menggunakan metode preloading, teknik yang diterima secara luas untuk mempercepat konsolidasi tanah dan meningkatkan kapasitas menahan beban. Metode preloading melibatkan penerapan beban sementara ke permukaan tanah, yang mendorong pengeluaran air pori dan dengan demikian mempercepat penurunan dan pemadatan. Penelitian ini bertujuan untuk mengevaluasi efektivitas metode preloading dalam meningkatkan karakteristik tanah di lokasi reklamasi Teluk Lamong. Parameter utama yang dianalisis meliputi laju penurunan, derajat konsolidasi, dan perubahan kekuatan tanah. Data lapangan dikumpulkan melalui serangkaian investigasi geoteknik, termasuk pengambilan sampel tanah, pengujian laboratorium, dan pemantauan penurunan di tempat. Temuan studi ini menunjukkan bahwa metode preloading secara signifikan meningkatkan konsolidasi tanah, mencapai derajat konsolidasi U 90%. Penurunan yang dipercepat yang diamati selama periode preloading menghasilkan peningkatan yang nyata dalam kekuatan tanah dan kapasitas menahan beban. Analisis tersebut juga mengungkap pentingnya penerapan beban yang tepat dan durasinya dalam mencapai hasil perbaikan tanah yang optimal. Sebagai kesimpulan untuk mencapai U 90% pada setiap zona adalah, Zona D tahun 4 pasca beban operasional; Zona E tahun 1 pasca beban operasional; Zona F tahun 10 pasca beban operasional; dan Zona G tahun 7.45 pasca beban operasional
Peningkatan Kapasitas UMKM Kebon Alam Ecoprint melalui Pelatihan Business Model Canvas dan Strategi Pemasaran Omnichannel di Lakarsantri Surabaya Yayu Sriwahyuni Hamzah; Utami Puji Lestari; Eko Nurmianto; Alfiah Indasah; Feby Salma Ayu Safitri
KREATIF: Jurnal Pengabdian Masyarakat Nusantara Vol. 5 No. 3 (2025): Jurnal Pengabdian Masyarakat Nusantara
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/kreatif.v5i3.8314

Abstract

This Abdimas activity aims to enhance the capacity of Kebon Alam Ecoprint UMKM in Lakarsantri, Surabaya through training on the Business Model Canvas (BMC) and omnichannel marketing strategies. The main problems faced by the partner are the absence of a structured business plan and limited ability to integrate offline and digital marketing strategies. The method applied in this program is Participatory Action Research (PAR), which combines research and social intervention by actively involving the community throughout all stages of the activity. Using a community-based empowerment approach, the program emphasized active collaboration between the service team and the target community through focus group discussions (FGD), socialization, training, and mentoring in designing BMC and applying cross-channel marketing strategies. The results indicate an improvement in UMKM’s understanding of comprehensive business model mapping, the identification of ecoprint product value propositions, and the optimization of digital marketing channels integrated with offline sales activities. The tangible impacts of this program include a shift in entrepreneurial mindset toward digital adaptability, improved competitiveness, and the establishment of business independence. Thus, BMC training and omnichannel marketing strategies have proven effective in fostering the sustainability of creative economy-based UMKM.