Perencanaan Gedung Majelis Guru SMKN 2 Kec.menggunakan konstruksi beton bertuang dengan mutu beton 25 MPa dan baja tulangan ulir menggunakan mutu beton 420 MPa. Perencanaan gedung ini terdiri dari 3 lantai dengan tinggi tiap lantai 4 meter dengan luas 15x33 meter. Setelah dilakukan perhitungan dan pengecekan terhadap dimensi pelat yang sudah direncakan maka didapatkan tebal pelat lantai atap (h) 10 cm, tebal pelat lantai typical (h) 12 cm menggunakan tulangan Ø10, dimensi balok induk 30/60 cm menggunakan tulangan utama D16 ulir dan sengkang menggunakan tulangan Ø10, dimensi balok anak 20/40 cm, dan dimensi kolom 40/40 cm menggunakan tulangan utama D16 ulir dan sengkang menggunakan tulangan Ø10. Pondasi yang digunakan yaitu bored pile kedalaman 12,4 meter. Analisa struktur menggunakan aplikasi SAP2000 v14 dan desain gambar untuk perencanaan gedung ini menggunakan aplikasi Autocad 2007.
Fisika menganut metodologi ilmiah (sains) yang memuat tiga kegiatan terpadu dan membentuk daur (cycles) empirico-logico-verification yang pertama kali dirintis oleh I. Newton yaitu (1) pengamatan gejala-gejala alam (kegiatan empiris melalui fisika eksperimen), (2) Penalaran untuk menjelaskan hasil pengamatan tersebut dan ekstensinya sehingga mampu menghasilkan ramalan mengenai gejala baru (kegiatan berlogika melalui fisika teori) dan (3) pengujian mengenai kesesuaian ramalan tersebut dengan realitas alam (kegiatan verifikasi melalui fisika eksperimen). Keberadaan laboratorium di sekolah-sekolah menjadi kunci keberhasilan dalam memperkenalkan tiga kegiatan terpadu tersebut. Sekolah Menengah Atas Negeri (SMAN) 2 Harau, Kabupaten Lima Puluh Kota merupakan sekolah di bawah naungan Provinsi Sumatera Barat dengan jarak sekitar 138 km dari Jurusan Fisika FMIPA Universitas Andalas tepatnya berada di Kecamatan Harau. Dari informasi yang diperoleh masih terbatasnya sarana dan prasarana seperti jumlah peralatan praktikum. Berdasarkan hal tersebut, tim pengabdian Jurusan Fisika FMIPA Universitas Andalas akan melaksanakan rangkaian kegiatan pengabdian masyarakat di SMA N 2 Harau dengan pemanfaatan media online salah satunya Phet- Simulation. Hasil pengabdian menunjukkan 90 % siswa mengatakan setuju dan sangat setuju bahwa kegiatan seperti ini memberikan manfaat bagi pemahaman materi di bidang Fisika. Kegiatan seperti ini perlu dilakukan lebih banyak oleh Tim Pengabdian sehingga masyarakat merasakan keberadaan perguuruan tinggi yang ada didaerahnya. Kata kunci: PhET Colarado; Simulasi Fisika; dan Pengabdian Masyarakat
The Public Works and Spatial Planning Service or known as (PUPR of Payakumbuh is the agency in charge of public works, spatial planning, and building permits in Payakumbuh. So it is necessary to control reports on development implementation, especially in the special allocation fund (DAK) activity section, one of the activities contained in PUPR, namely managing DAK activity report data to manage financial data in the PUPR Office. At the PUPR Service, especially the subdivision of the Program, there is no application system so they still use Microsoft Office Excel, this results in errors regarding funding information in making reports due to large amounts of data and delays in preparing reports. This study aims to create a web-based DAK reporting application. The method used to build the system is Rapid Application Development (RAD), with the stages of Requirement Planning, Workshop Design and Implementation, so that system development is faster and more efficient. Application development uses PHP, in this case Laravel and MySQL. The results of the research show that the application built is easy to use, all functions are running as expected, and user needs can be met.
Several studies have been carried out on the development of real-time gamma radiation dosimeter based on the wireless sensor network (WSN) protocol IEEE 802.15.4. WSN technology can be adopted to develop a gamma radiation dose monitoring system on a large scale due to its real-time, centralized, efficient, and relatively low-cost attributes. This study aims to develop a personal radiation dosimeter that can collect data from the measurement results of several sensor nodes or multi-sensors. The measurement results of radiation dose values from many radiation workers are sent to a coordinator node consisting of the Xbee module and Arduino as a microcontroller. The system test is compared with a calibrated dosimeter reading and is expected to be one of the instruments for determining radiation dose in real-time. It can also reduce the risk of receiving a radiation dose that exceeds the threshold allowed by the ionizing control agency and a program in radiation protection. Changes in the intensity of radiation emitted by Cs-137 (gamma radiation) are carried out by varying each detector's distance to the source, which indirectly varies the value of the dose rate received by the detector. This relationship is shown from the value of R2 = 0.99, which indicates a strong correlation between changes in the dose given to the detector's response being developed. The system built is efficient, inexpensive, and collecting radiation exposure data can monitor radiation exposure received by workers in real-time. This technique can help speed up reporting of radiation exposure received by radiation workers.
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