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All Journal Indonesian Research Journal on Education JURNAL ILMIAH TEKNIK SIPIL
Syaputra, Dedy
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EVALUASI KONSTRUKSI BENDUNG SEI WAMPUKECAMATAN STABAT KABUPATEN LANGKAT (STUDI KASUS) Syaputra, Dedy; Sidjabat, Robinson; Ginting, Rahelina
JURNAL ILMIAH TEKNIK SIPIL Vol 11 No 1 (2022): FEBRUARI
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Darma Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/tekniksipil.v11i1.1715

Abstract

Tujuan studi ini adlah untuk mengetahui debit banjir rencana pada bendung Sei Wampu; mengetahui debit air maksimum dan minimum pada bendung Sei Wampu; mengetahui stabilitas bending; dan mengetahui hidrolis bending. Setelah dilakukan survey pendahuluan, penentuan lokasi penelitian dapat ditetapkan jika lokasi tersebut telah memenuhi persyaratan yang telah ditentukan.Dimana lokasi penelitian berada di Bendungan Sei Wampu di Desa Pantaigemi Kec. Stabat Kab. Langkat. Sungai merupakan yang sangat penting bagi kehidupan manusia salah satunya adalah sebagai sumber air yang dapat dimanfaatkan untuk memenuhi kebutuhan irigasi, penyediaan air minum, kebutuhan air industri, rumah tangga dan lain-lain.Kebutuhan air bagi kehidupan manusia semakin meningkat sehingga perlu dilakukan penyediaan air. Dalam pembangunan bendung tetap dilengkapi dengan data-data sebagai berikut Luas Daerah Aliran Sungai (DAS) adalah seluas 291.91 km2 dan Panjang sungai ± 41,87 km. Curah hujan rencana periode ulang T Tahun menggunakan metode Gumbel yaitu R2 = 119,666 mm; R5 = 149,076 mm; R10 = 168,546 mm; R20 = 186,980 mm; R25 = 193,153 mm; R50 = 211,405 mm; R100 = 229,523 mm. Dari hasil perhitungan debit banjir periode ulang T tahun menggunakan Metode Weduwen dengan nilai Q2 = 2776,318 m3/det; Q5 = 3110,045 m3/det; Q10 = 3330,978 m3/det; Q20 = 3540,156 m3/det; Q25 = 3610,203 m3/det; Q50 = 3817,316 m3/det; Q100 = 4022,908 m3/det. Untuk menjaga keamanan kontruksi pada waktu dilewati banjir besar, pada perencanaan Bendung Sei Wampu ini di pakai debit banjir rencana yang nilainya sedang yaitu Q100 tahun = 4022,908 m3/detik. gaya akibat berat sendiri tubuh bendung didapat gaya akibat berat sendiri (G) = 107,62 Ton (↓), momen akibat berat sendiri (M) = 304,12 Ton meter (↑), Gaya Akibat Gempa, gaya akibat gempa (K) = 10,36 T (→), Momen akibat gempa (M) = 83,00 Tm ( ).
Persepsi Siswa Tentang Kinerja Guru Terhadap Hasil Belajar Siswa pada Mata Pelajaran Administrasi Sistem Jaringan Kelas XI TKJ di SMKN 1 Rao Selatan Syaputra, Dedy; Sesmiarni, Zulfani
Indonesian Research Journal on Education Vol. 2 No. 2 (2022): irje 2022
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (580.766 KB) | DOI: 10.31004/irje.v2i2.42

Abstract

The purpose of this study was to determine how much influence the teacher's performance had on student learning outcomes in the subject of network system administration for class XI TKJ at SMKN 1 Rao Selatan. The population in this study were 131 students of SMKN 1 Rao Selatan. Respondents in this study were class XI TKJ1, TKJ2, TKJ3 and TKJ4. The sampling technique was cluster random sampling with random sample type. Cluster random sampling is a type of sampling technique in which a researcher divides the population into separate groups and takes several randomly selected samples. The type of research used is correlational. Types of research instruments with questionnaires or questionnaires and documents. Testing the data in this study using SPSS 22. The data were obtained through filling out questionnaires by students. The tests carried out are validity, reliability, normality, linearity, hypothesis testing and R square tests to determine how muchinfluence the teacher's performance has on student learning outcomes. From the research results, there is a significant positive effect between teacher performance and student learning outcomes. sign value. (2-tailed)each variable X and Y is < 0.05. Judging from the value of rcount > rtable, the rtable value is 0.355. While the results of the reliability test of the X variable have Cronbach's alpha > 0.06. The value of the X variable is 0.894 so it is said to be reliable. This shows that the instrument is a questionnaire that can be used to determine the effect of variable X. After processing, it is obtained R2 of 0.862, which means that the teacher's performance variable affects the variable student learning outcomes, giving an effect of 86.2%.
Co-Authors Ginting, Rahelina Sidjabat, Robinson Zulfani Sesmiarni