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kuncoro, wahyu hadi
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Analisis Kedalaman Gerusan Lokal (Local Scouring) di Hilir Bangunan pelimpah (Stepped Modified Spillway) dengan Model Fisik 2D kuncoro, wahyu hadi; Wahono, Endro Prasetyo; Zakaria, Ahmad; Kusumastuti, Dyah Indriana
Jurnal Rekayasa Sipil dan Desain Vol. 9 No. 4 (2021): Edisi Desember 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v9i4.2011

Abstract

Spillway is a hydraulic structure whose existence is very important because it is built to release excess water or flood discharge that cannot be accommodated in the dam. The hydraulics analysis of this study used a spillway design (Stepped modified Spillway) with a 2-D physical model and the sediment used was sand with a uniform diameter of 1.8 mm or passed sieve no. 16. This research was carried out 5 times for every 25 minutes of upstream water level observations.In the Stepped spillway spillway the maximum scour (dsmax) occurs at an upstream height (H0) of 3 cm of 0.125 m with an Lds of 0.09 m from the downstream of the spillway. Meanwhile, for the Stepped Modified Spillway spillway, the maximum scour (dsmax) occurs at an upstream height ( H0) 3 cm is 0.076 m with Lds of 0.221 m. This shows that the greater the flow rate, the greater the depth of scour that occurs. So it can be concluded that the Lacey method is the closest to the laboratory results. This is because a balance has been achieved. The deeper the local scour that occurs, the more volume of sediment carried downstream of the weir.Keywords: Stepped and stepped modified spillway, local scour, sediment.
Pembelajaran Informatika SMP tentang Algoritma dan Struktur Data di SMPN 6 Singingi Hilir Fatmawati1, Fatmawati; Kuncoro, Wahyu Hadi; Sumiatun, Sumiatun
Mandala Bakti (Jurnal Pengabdian kepada Masyarakat) Vol. 1 No. 1 (2025): MANDALA BAKTI (Jurnal Pengabdian kepada Masyarakat) Januari 2025
Publisher : Yasin Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65359/mandala_bakti.v1i1.9

Abstract

Pembelajaran informatika di tingkat Sekolah Menengah Pertama (SMP) memiliki peran penting dalam mengembangkan keterampilan berpikir komputasional siswa, terutama dalam memahami konsep algoritma dan struktur data. Penelitian ini bertujuan untuk menganalisis implementasi pembelajaran algoritma dan struktur data dalam kehidupan sehari-hari siswa SMPN 6 Singingi Hilir. Metode penelitian yang digunakan adalah pendekatan deskriptif kualitatif dengan teknik observasi, wawancara, dan analisis dokumen. Hasil penelitian menunjukkan bahwa guru menggunakan berbagai pendekatan kontekstual, seperti pemecahan masalah berbasis aktivitas sehari-hari dan pemanfaatan perangkat lunak edukatif, untuk membantu siswa memahami konsep algoritma dan struktur data. Selain itu, keterlibatan siswa dalam diskusi kelompok dan proyek berbasis kasus nyata meningkatkan pemahaman mereka terhadap materi. Studi ini menegaskan bahwa integrasi konsep informatika dalam aktivitas sehari-hari dapat meningkatkan keterampilan berpikir logis dan analitis siswa, sehingga memberikan kontribusi positif terhadap pembelajaran di SMP.
Co-Authors Ahmad Zakaria Dyah Indriana Kusumastuti Endro Prasetyo Wahono Fatmawati1, Fatmawati Sumiatun Sumiatun, Sumiatun