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All Journal JITEK (Jurnal Ilmiah Teknosains) Reviews in Civil Engineering Jurnal DISPROTEK Journal of Dedicators Community JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Jurnal Teknik Sipil dan Teknologi Konstruksi Jurnal Manajemen Teknologi dan Teknik Sipil (JURMATEKS) Teknika Indonesian Journal of Society Development (IJSD) Jurnal Pengabdian KOLABORATIF
Khotibul Umam
Prodi Teknik Sipil, Fakultas Sains Dan Teknologi, Universitas Islam Nahdlatul Ulama Jepara,
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Perencanaan Jembatan Komposit Bentang 50 M Desa Kecapi Kecamatan Tahunan Kabupaten Jepara Khotibul Umam; Yayan Adi Saputro; Maulana Anwar Safi’i; Tira Roesdiana; Mochammad Qomaruddin
Teknika Vol 18, No 2 (2023): Oktober
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/teknika.v18i2.7812

Abstract

Upaya dalam meningkatkan mobilisasi masyarakat perlu adanya pembangunan sarana dan prasarana perhubungan yang memadai sejalan dengan pertumbuhan teknologi dan industri. Masalah yang sering terjadi dalam pembangunan jalan raya terutama pembangunan jalan raya di Dukuh Ngesing RT 21 RW 04 dan Dukuh Telahap RT 09 RW 02 Desa Kecapi terhalangnya oleh rintangan berupa sungai sehingga perlu dibangun bangunan penghubung seperti jembatan. Tahapan perencanaan diawali dengan survey pendahuluan, Perencanaan struktur atas jembatan dan Perencanaan struktur bawah jembatan. Hasil yang diperoleh dari perencanaan struktur atas jembatan menggunakan pipa sandaran 3 inch. Sandaran pipa panjang 20 cm lebar 15 cm tinggi 100 cm dengan tulangan D10-100 mm dan D10-150. Lantai trotoar lebar 70 cm tebal 20 cm dengan tulangan D12-200 mm dan D12-200. Lantai kendaraan lebar 7,4 m tebal 20 cm dengan susunan tulangan atas bawah D22-250 mm  dan D16-450 mm. Gelagar Memanjang (Girder) dengan dimensi WF 850.300.39.19 dan Gelagar Melintang (Diafragma) dengan dimensi WF 250.125.9.6. Untuk struktur bawah jembatan menggunakan pier dengan dimensi panjang 7,5 m tinggi 7,5 m lebar 1,75 m susunan tulangan D32 – 120 mm, D25 – 170 mm, dan tulangan hoops D13-500 mm, pile cap dengan dimensi panjang 11 m tinggi 1,5 m lebar 7 m susunan tulangan atas bawah D32 – 300 mm, dan D28 – 150 mm. Pada mutu beton pier dan pile cap menggunakan kuat tekan pada f’c 30 MPa dan mutu besi tulangan pada fy 400 MPa. Tiang pancang dengan mutu beton f’c 30 MPa diameter 40 cm membutuhkan 8 tiang dengan kedalaman sesuai perhitungan dan hasil sondir.  
Pelatihan Pemanfaatan Software Geogebra dalam Pembelajaran Matematika pada MGMP Matematika Ahmat Wakit; Lilik Sulistyo; Khotibul Umam; Ariyanto Ariyanto; Decky Rochmanto
Jurnal Pengabdian KOLABORATIF Vol. 2 No. 1 (2024): January
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jpk.v2i1.8365

Abstract

The Mathematics Subject Teacher Meeting (MGMP) at KKMA 02 Jepara is routinely held at least 3 times in a semester, namely at the beginning before learning begins, in the middle, and at the end of the semester. The routine activities carried out are discussing textbooks and worksheets, setting up learning traps, and preparing for the preparation of Mid-Semester Examination questions and Final Semester Examination questions. However, in the last few semesters, the Mathematics MGMP is rarely held, even in this semester there is only 1 meeting and there is no more meeting agenda. This is due to several factors such as the level of saturation because the activities carried out are the same, never innovative activities that are in nature to improve the abilities and skills of teachers such as training, this encourages community service programs to be held with the theme "Utilization of Geogebra software in learning mathematics". This activity is a training for teachers who are members of the Mathematics MGMP regarding the importance of Geogebra software in learning mathematics. The method used is lectures and discussions from presenters from UNISNU Jepara and continued with simulations. The results of this activity are increased teacher knowledge and skills in designing learning media and implementing Geogebra software-based mathematics learning. It is hoped that by increasing teacher skills in developing innovative learning media, the learning atmosphere in the classroom will be enjoyable and student interest and motivation in learning will increase.
Co-Authors Ahmat Wakit Ana Rahmawati Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto Decky Rochmanto Decky Rohmanto Dias Prihatmoko Dwika Fatimatuz Zaroh Khusna Dwijayanti Lilik Sulistyo M.Tsubutus Surur Al Misbah Maulana Anwar Safi’i Muhrodi Muhrodi Nor Hidayati Qomaruddin, Mochammad Saputro, Yayan Adi Tira Roesdiana Wahyu Setyo Darmoko Yayan Adi Saputro Yayan Adi Saputro Yayan Adi Saputro