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Agustina Nababan
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Civil Engineering, Building, Construction & Architecture Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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THE EFFECTIVENESS NUMBER OF BAFFLE BLOCKS TO REDUCE ENERGY IN TUKUTAHA TRANSITION CHANNELS Agustina Nababan; Nadjadji Anwar; Wasis Wardoyo
Journal of Civil Engineering Vol 36, No 2 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v36i2.9428

Abstract

One of the causes of damage to the weir structure is scouring. Scouring may occur along the weir channel. Scouring occurs due to the high flow velocity and high specific energy. One of the methods used to reduce specific velocity and energy is by installing baffle blocks in parts that have high-velocity and energy. The addition of baffle blocks is carried out at a place that has a high-velocity, namely the transition channel. To see the effect of baffle block variation on velocity and energy, a study was conducted. The study was conducted with four baffle block type models. The type 0 model is a baffle block installation pattern based on the initial design. Type 1 model is designed based on the planning of The Colorado State University (CSU) rigid boundary basin. Type 2 model is designed by reducing the number of baffle blocks from the initial design of 102 baffles to as many as 75 baffles. while the 3 channel type model transitions without baffle blocks. Based on the analysis of % energy loss in the transition channel, the type 0 model produces the largest energy loss. The type 0 model at maximum discharge has a % energy loss 10.821% greater than the type 1 model, 14.889% greater than the type 2 model and 33.02 % greater than the type 3 model.
THE EFFECTIVENESS NUMBER OF BAFFLE BLOCKS TO REDUCE ENERGY IN TUKUTAHA TRANSITION CHANNELS Agustina Nababan; Nadjadji Anwar; Wasis Wardoyo
Journal of Civil Engineering Vol. 36 No. 2 (2021)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v36i2.7633

Abstract

One of the causes of damage to the weir structure is scouring that can accur along the weir channel. Scouring occurs due to the high flow velocity and high specific energy. One of the methods used to reduce specific velocity and energy is by installing baffle blocks in parts that have high velocity and energy. The addition of baffle blocks is carried out at a place that has a high velocity, namely the transition channel. To see the effect of baffle block variation on velocity and energy, a study was conducted. The study was conducted with four baffle block models type. Model type 0 is a model with the same assumptions as of the existing one. model type 1 is designed based on the planning of The Colorado State University (CSU) rigid boundary basin. Model type 2 is designed by reducing the number of baffle blocks from the initial design of 102 baffles to as many as 75 baffles. while the 3 channel model type transitions without baffle blocks. Based on the percentage of energy loss analysis in the transition channel, Model type 0 can reduce energy greater than others models. At maximum discharge, the model type 0 has an energy loss of 10.821% greater than the model type 1, 14,889% greater than the model type 2, and 33.02% greater than the model type 3.
Pengenalan Karakteristik Anak Berkebutuhan Khusus Tunalaras (Emosional dan Perilaku) dalam Konteks Pendidikan Inklusif Pasaribu, Gabriel; Agustina Nababan; Joice Tabita Ginting; Yoseph Hardy Napitupulu; Yan Indra Siregar; Ahmad Syabaruddin
Jurnal Dunia Pendidikan Vol 6 No 5 (2026): Jurnal Dunia Pendidikan
Publisher : LPPM Sekolah Tinggi Olahraga dan Kesehatan Bina Guna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55081/jurdip.v6i5.4858

Abstract

Penelitian ini bertujuan mengenal karakteristik anak berkebutuhan khusus tunalaras (gangguan emosional dan perilaku) dalam konteks pendidikan inklusif. Metode yang digunakan adalah studi kepustakaan dengan menganalisis berbagai literatur terkait. Hasil penelitian menunjukkan bahwa anak tunalaras menghadapi hambatan utama dalam regulasi emosi, kontrol perilaku, serta interaksi sosial yang memengaruhi proses belajar. Mereka sering menunjukkan perilaku impulsif, agresif, pasif, atau mudah marah, sehingga membutuhkan strategi pembelajaran adaptif. Pendekatan individual, penggunaan media visual, penguatan positif, serta pembelajaran berbasis aktivitas terbukti lebih efektif membantu anak berpartisipasi dalam kelas inklusif. Selain itu, dukungan lingkungan sekolah yang kondusif dan penerimaan sosial sangat penting bagi perkembangan mereka. Pengenalan karakteristik anak tunarasa sejak dini membantu guru merancang strategi pembelajaran yang inklusif dan responsif. Dengan demikian, pendidikan inklusif tidak hanya menjamin akses setara, tetapi juga mendukung perkembangan akademik dan sosial-emosional anak tunalaras
Co-Authors Ahmad Syabaruddin Joice Tabita Ginting Nadjadji Anwar Pasaribu, Gabriel Wasis Wardoyo Yan Indra Siregar Yoseph Hardy Napitupulu