1,720,975 research outputs found
Effect of Marine Environment to the Concrete Beams Strengthened Using GFRP Sheet
Full text linkStructures built aggresive enviroment such ason the sea/marine environment is to be carefully designed, due to possibility of chloride ion penetration into the the concrete. One way to reduce the strength degradation in such environment is to use FRP, which is attached to the surface of R/C using epoxy. The study presented is focused on determining the effect of the sea water to the capacity of GFRP as flexural reinforcementelements. Beam of 10x10x40 cm dimension were designed without reinforcing bars. The samples were tested using variation to the distance to the sea and duration of the contact to sea.\ud
The result showed that the use GFRP increased the flexural strength 84,21%, compared to the normal beam, without GFRP. It can also be seen that the closer the distance to the sea, the higher the strength degradation of the beam. The sample rinsed in the water has strength 2.53 kN. The result of this study also showed that for areas closer to the sea has a greater effect in terms decreasing flexural capacity of the bea
KORELASI POROSITAS BETON TERHADAP KUAT TEKAN RATA-RATA
Full text linkAgregat yang tersedia di alam umumnya mempunyai pori yang berbeda setiap satu lokasi, hal ini dapat dilihat dengan perbedaan nilai resapan air oleh agregat. Salah satu masalah yang dihadapi adalah bagaimana pengaruh porositas terhadap nilai kuat tekan beton, dengan perbedaan nilai faktor air semen (FAS).Tujuan penelitian ini adalah untuk mengetahui hubungan dan pengaruh porositas beton dengan kuat tekan beton rata-rata. Pada penelitian ini dilakukan pengujian kuat tekan dan porositas beton. Penelitian ini menggunakan agregat kasar dari 3 lokasi yaitu Tubo, Bula, dan Togafo. Pembuatan benda uji dengan nilai FAS berbeda.Dari hasil penelitian disimpulkan bahwa semakin besar porositas maka kuat tekan beton semakin kecil. Dari hasil analisa regresi diperoleh nilai koefesien korelasi yaitu negatif, maka kedua variabel mempunyai hubungan tidak searah. Hubungan antara porositas agregat terhadap kuat tekan beton sangat kuat, hal ini dilihat dari hasil analisis data yang menunjukkan nilai korelasi atau hubungan antara dua variabel sangat erat
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
ANALISIS PENANGANAN KERUSAKAN JALAN BERDASARKAN IDENTIFIKASI LAPANGAN SECARA VISUAL (STUDI KASUS RUAS JALAN BERE-BERE – SOPI)
Full text linkPenanganan Kerusakan Jalan merupakan kebutuhan dalam menjaga umur rencana dan tingkat layanan jalan guna mendukung kelancaran transportasi kenyamanan dan keselamatan berkendara pengguna jalan, khususnya kendaraan bermotor baik roda 4 dan roda 2. Identifikasi nilai kondisi jalan secara berkelanjutan diperlukan untuk mendapatkan data dan informasi yang digunakan dalam upaya penanganan pemeliharaan jalan. Metode IRI (International Roughness Index) dan Identifikasi Lapangan secara Visual akan menghasilkan data dan keterangan akan kondisi jalan dan jenis penanganan kondisi jalan sebelum dan setelah dilakukan penanganan, disamping itu akan memberikan informasi terkait dengan kondisi jalan berdasarkan hasil dari metode penilaiannya. Ruas Jalan Nasional Bere-bere - Sopi memiliki panjang 52,19 km dan lebar yang di dominasi 4,50 m dan sebagian lainnya 7,00 m menjadi lokasi dalam melakukan penelitian ini. Analisis Kerusakan Jalan dilakukan dengan menggunakan alat NAASRA yang dipasang pada kendaraan. Berdasarkan hasil analisis Kerusakan Jalan dengan metode IRI (International Roughness Index) dan Identifikasi Lapangan secara Visual menunjukkan bahwa ruas jalan Bere-bere - Sopi dapat dikategorikan buruk atau kritis Poor, yang dilihat berdasarkan nilai rata-rata hasil IRI (International Roughness Index) sebesar 13,87 hal ini ditunjukkan dengan nilai IRI >12 dengan prosentase sebesar 56,22% yang di dominasi Lajur Kiri Jalan, sementara untuk kondisi jalan sedang dengan nilai IRI <8 memiliki persentase sebesar 11,11%. Dengan demikian bentuk penanganan yang direkomendasikan berupa Preservasi Rutin Kondisi Jalan, Preservasi Holding (Penunjang), Preservasi Rehabilitasi Minor Jalan, dan Rehabilitasi Mayor Jalan. Pemeliharaan dan Penanganan Kerusakan ini diperuntukkan pada ruas yang dalam kondisi Rusak Ringan dan Rusak Berat.Penanganan Kerusakan Jalan merupakan kebutuhan dalam menjaga umur rencana dan tingkat layanan jalan guna mendukung kelancaran transportasi kenyamanan dan keselamatan berkendara pengguna jalan, khususnya kendaraan bermotor baik roda 4 dan roda 2. Identifikasi nilai kondisi jalan secara berkelanjutan diperlukan untuk mendapatkan data dan informasi yang digunakan dalam upaya penanganan pemeliharaan jalan. Metode IRI (International Roughness Index) dan Identifikasi Lapangan secara Visual akan menghasilkan data dan keterangan akan kondisi jalan dan jenis penanganan kondisi jalan sebelum dan setelah dilakukan penanganan, disamping itu akan memberikan informasi terkait dengan kondisi jalan berdasarkan hasil dari metode penilaiannya. Ruas Jalan Nasional Bere-bere - Sopi memiliki panjang 52,19 km dan lebar yang di dominasi 4,50 m dan sebagian lainnya 7,00 m menjadi lokasi dalam melakukan penelitian ini. Analisis Kerusakan Jalan dilakukan dengan menggunakan alat NAASRA yang dipasang pada kendaraan. Berdasarkan hasil analisis Kerusakan Jalan dengan metode IRI (International Roughness Index) dan Identifikasi Lapangan secara Visual menunjukkan bahwa ruas jalan Bere-bere - Sopi dapat dikategorikan buruk atau kritis Poor, yang dilihat berdasarkan nilai rata-rata hasil IRI (International Roughness Index) sebesar 13,87 hal ini ditunjukkan dengan nilai IRI >12 dengan prosentase sebesar 56,22% yang di dominasi Lajur Kiri Jalan, sementara untuk kondisi jalan sedang dengan nilai IRI <8 memiliki persentase sebesar 11,11%. Dengan demikian bentuk penanganan yang direkomendasikan berupa Preservasi Rutin Kondisi Jalan, Preservasi Holding (Penunjang), Preservasi Rehabilitasi Minor Jalan, dan Rehabilitasi Mayor Jalan. Pemeliharaan dan Penanganan Kerusakan ini diperuntukkan pada ruas yang dalam kondisi Rusak Ringan dan Rusak Berat.
 
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