Hot Mix Asphalt (HMA) is a combination of asphalt and aggregates that will give durable road surface for pavement and is widely used in Malaysia. However, due to damages caused by excessive traffic loadings, the HMA pavement normally required frequently maintenance and rehabilitation works. Therefore in recent years, research on modification of HMA has tremendously increased in highway construction field using natural sources and recycling products such as rubber, plastic, anti-stripping agents, waste materials and etc. This study was conducted to evaluate the effect of sugarcane bagasse ash (SCBA) used as filler in HMA. Experimental laboratory were done to compare the properties of normal HMA sample with modified HMA sample using SCBA. Result obtained for both sample were compared to Malaysian Public Works Department (MPWD) specification. The laboratory result reveals that SCBA are effective in increasing the Marshall stability, flow and Resilient Modulus of normal HMA. The SCBA increases Marshall stability by 0.6%, flow 4.9% and Resilient Modulus 17.4% respectively of ordinary HMA and all test and analysis parameters for asphaltic concrete of SCBA sample comply with MPWD requirements. Therefore, SCBA has potential in modifying normal HMA.
Penelitian ini bertujuan untuk mengidentifikasi persepsi wajib pajak menggunakan e-filing dalam melaporkan Surat Pemberitahuan Tahunan (SPT) mereka. Metode yang digunakan adalah analisis Structural Equation Modeling (SEM) terhadap 100 orang wajib pajak pribadi yang terdaftar pada periode 2017 di Kantor Pelayanan Pajak Pekanbaru. Hasil penelitian ini menunjukkan bahwa para pembayar pajak berniat menggunakan e-filing jika sistem yang dirancang memberikan sejumlah kenyamanan bagi mereka. Oleh karena itu, Direktorat Jenderal Pajak harus gencar mempromosikan e-filing kepada wajib pajak.
AbstrakBuku teks merupakan sarana pendidikan yang standar mutunya perlu diatur. Tetapi kenyataannya guru masih memiliki keluahan mengenai buku siswa Kurikulum 2013. Tujuan penelitian adalah menganalisis kesesuaian Bab Himpunan pada Buku Siswa Matematika untuk SMP/MTs Kelas VII Kurikulum 2013 Edisi Revisi yang ditulis oleh Atang Supriadi dan diterbitkan oleh Grafindo Media Pratama tahun 2019 dengan Kurikulum 2013. Jenis penelitian adalah penelitian kualitatif deskriptif dengan instrumen sesuai dengan 4 kriteria Kurikulum 2013. Instrumen yang digunakan adalah lembar penskoran analisis kesesuaian bab himpunan. Metode pengumpulan data yang digunakan adalah metode dokumentasi dan observasi. Hasil analisis diperoleh 91,67% untuk kesesuaian dengan SKL, kategori sangat baik; 87,5% kesesuaian dengan pendekatan saintifik, kategori sangat baik; 81,25% kesesuaian dengan penilaian autentik, kategori baik; dan 90,9% kesesuaian dengan kelayakan materi, kategori sangat baik. Buku teks sudah cukup baik dijadikan sebagai sumber referensi yang digunakan dalam pembelajaran matematika, walaupun ada beberapa kekurangan atau ketidaksesuaian dengan Kurikulum 2013. AbstractTextbooks are educational facilities whose quality standards need to be regulated. But the fact is that teachers still have concerns about the 2013 Curriculum student books. The research aims to analyze the suitability of the Chapters of the Association of Mathematics Student Books for Class VII SMP / MTs of the Revised 2013 Curriculum written by Atang Supriadi and published by Grafindo Media Pratama in 2019 with the 2013 Curriculum The type of research is descriptive qualitative research with instruments by the 4 criteria of the 2013 Curriculum. The instrument used is a score sheet for the set of chapter conformity analyses. Data collection methods used are documentation and observation methods. The analysis results obtained 91.67% for conformity with SKL, very good category; 87.5% conformity with the scientific approach, very good category; 81.25% conformity with authentic assessment, good category; and 90.9% conformity to the eligibility of the material, very good category. Textbooks are good enough to be used as a reference source used in mathematics learning, even though there are some deficiencies or inconsistencies with the 2013 Curriculum.
Penelitian ini bertujuan untuk mengetahui hubungan antara kecepatan reaksi, daya ledak otot lengan, dan koordinasi mata-tangan keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru. Penelitian ini juga bertujuan untuk mengetahui hubungan antara kecepatan reaksi, daya ledak otot lengan, dan koordinasi mata-tangan secara bersama-sama untuk menghasilkan keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru. Metode penelitian yang digunakan adalah metode survei dengan teknik analisis korelasional. Penelitian ini menggunakan total sampling, di mana semua populasi diambil sebagai sampel, sebagai teknik sampling. Jumlah sampel adalah 35 orang. Hasil penelitian menunjukkan (1) ada hubungan antara reaksi kecepatan dengan keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru, seperti yang ditunjukkan oleh tobtained = 2,58> ttabel = 1,70. (2) ada hubungan antara daya ledak otot lengan dengan keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru, seperti yang ditunjukkan oleh tobtained = 2,74> ttabel = 1,70. (3) ada hubungan antara koordinasi mata-tangan dengan keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru, seperti yang ditunjukkan oleh tobtained = 3,06> ttabel = 1,70. (4) ada hubungan antara kecepatan reaksi, daya ledak otot lengan, dan koordinasi mata-tangan terhadap keterampilan smash mahasiswa FKIP JPOK UNLAM Banjarbaru, seperti yang ditunjukkan oleh Fobtained = 2.91> Ftable = 2.91. Kata kunci: reaksi kecepatan, daya ledak otot lengan, koordinasi mata-tangan, dan keterampilan smash
This study aims to apply Hierarchical cluster analysis to the distribution of Covid-19 cases by province in Indonesia. The data used is secondary data for the 2021 period. The variables used are the number of confirmed patients, the number of recovered patients, the number of patients who died, the population, population density, the number of elderly people, and health facilities. The method in this research is hierarchical cluster analysis with agglomeration process, Beetween groups linkage, with the concept of square Euclidean distance. The research step begins with data exploration, standardization, multicollinearity assumption test and Barlett KMO test, hierarchical cluster analysis, and interpretation. The results showed that the clustering process in Hierarchical analysis can be determined based on the desired number of clusters and the results are strengthened by the Dendogram representation. The distribution of Covid-19 cases in 34 provinces is divided into 2,3, and 4 clusters based on the variables used. Prov. DKI Jakarta has different characteristics from the prov. West Java, Central Java, East Java. Likewise with the prov. Banten sd. Prov. Gorontalo has similar characteristics in the case of the spread of Covid-19.
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