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All Journal Teknosains: Media Informasi Sains dan Teknologi Buletin Ilmiah Pendidikan
Yani, Lusi
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Languange, Linguistic, Communication & Media Mathematics Physics Other

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PENGEMBANGAN MEDIA FUN THINKERS BOOK PADA TEMA 1 MATA PELAJARAN PKN MENGGUNAKAN PEMBELAJARAN INTERAKTIF DAN MENYENANGKAN UNTUK SISWA KELAS 3 SD NEGERI 3 LENDANG NANGKA Yani, Lusi
Buletin Ilmiah Pendidikan Vol. 2 No. 2 (2023)
Publisher : Papanda Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/bip.v2i2.541

Abstract

This study aims to develop Fun Thinker Book learning media and determine the level of feasibility of the media, in terms of validation experts and the level of feasibility in terms of student responses to teaching media developed in theme one subtheme 1 Civics learning about Understanding the meaning of images on the national emblem garuda pancasila in grade 3 SD Negeri 3 Lendang Nangka. This type of research is research and development (R & D), which aims to produce products with the research and development model used in this study, the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The use of the research model aims to produce viable learning media products. The data collection instruments used are observation, interviews, and validation sheets, questionnaire sheets for student responses regarding learning media. The fun Thinker book learning media product was developed as a framed book with nine tiles. The book contains six learning exercises that can be understood using frames and tiles. The validation results obtained from material experts were 95.38%, media experts 90.90%, and student response questionnaire results 92.22%. The validation results of material experts media experts show that the fun Thinker book media is very valid for learning. The results of the questionnaire of student responses regarding learning media in field trials showed that the level of media interest reviewed by student responses about the fun thinker book media was very valid.
Analisis variasi suhu 150°C, 160°C, 170°C dalam variasi jumlah tumbukan terhadap spesifikasi Asphalt Concrete Binder Course (AC-BC) Yani, Lusi; Rahmaniah, Rahmaniah; Asriani, Asriani
Teknosains Vol 17 No 2 (2023): Mei-Agustus
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/teknosains.v17i2.36658

Abstract

Asphalt Concrete Binder Course (AC-BC) is a type of pavement on roads that has a cover layer with an asphalt aggregate mixture structure. The AC-BC layer functions to maintain resilience and stability on roads resulting from the effects of weather and vehicle loads. The aim is to determine the effect of pure asphalt on the specifications of the Asphal Concrete Binder Course (AC-BC), to determine the effect of temperature variations and collisions on the specifications of the Asphal Concrete Binder Course (AC-BC), and to determine the effect of the composition of the asphalt mixture on the specifications of the Asphal Concrete Binder Course ( AC-BC). From the 5 tests of asphalt, a penetration value of 62.6 mm, a melting point of 50 oC, a ductility value of 150 cm, an asphalt mass of 1.0618 gr, and a loss of asphalt mass of 0.36%. The test results identified that the AC-BC asphalt used complied with SNI 06-2456-1991 and SNI 2432-2011 standards. The marshall characteristic values for each asphalt content with temperature variations of 150 oC, 160 oC and 170 oC obtained from the test results met the 2018 Bina Marga specifications, with the ideal mixing temperature at 150 oC and 160 oC. The marshall characteristic value indicates that the mixing composition can increase the ability of the pavement, where a high temperature increase will cause the mixed material to overheat and burn so that it is easily deformed, unstable, and bleeding will occur. The effect of temperature changes can reduce stability and reduce performance on AC-BC concrete pavements. Compaction when mixing asphalt identifies air voids and stability values according to SNI with the ideal number of collisions, namely 75 and 80 collisions.
Co-Authors Asriani Asriani, Asriani Rahmaniah, Rahmaniah