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ANALISIS DAYA DUKUNG PONDASI DENGAN METODE REESE & WRIGHT (1977) DAN SKEMPTON (1966)
No full textBridge has a structural load from above which is supported by the foundation. The foundation has an important role to holding the load from the superstructure. Therefore, planning the foundation, the bearing capacity must be taken into account so the foundation should withstand the load. In the Bengkulu – Taba Penanjung toll access road construction project, bored piles are used. To determine the bearing capacity of the foundation, NSPT soil data is needed for analysis needs. Based on the results of the bearing capacity analysis, the value of 382 tons with the Reese & Wright method and 349 tons with the Skempton method at a depth of 14 m was obtained. With a 7 x 2 pile configuration, an average efficiency value of 85% is obtained. With this efficiency value, the group pile bearing capacity is 4538,22 tons (Reese & Wright) and 4147,47 tons (Skempton). With the group's pile bearing capacity, the pile is considered capable of withstanding the axial load of the superstructure of 2391.21 tons. The amount of immediate settlement that occurs in a single pile is 13.72 mm using the Vesic method (1977). This reduction is safe where the settlement limit is 65 mm according to Skempton and Mc Donald. Because the dominant soil is clay, the value of the decrease in primary consolidation that occurs is 5 mm. Thus, the drill pile foundation with a length of 14 meters and a total of 14 piles with a configuration of 7 x 2 piles can be said to be feasible and can withstand the axial load transmitted to the drill pile foundation.Jembatan memiliki beban struktur dari atas yang ditumpu oleh pondasi. Pondasi memiliki peranan penting dalam menahan beban struktur atas. Maka dari itu dalam merencanakan pondasi harus diperhitungkan daya dukungnya suapay pondasi dapat menahan beban yang diterima. Pada proyek pembangunan jalan akses tol Bengkulu – Taba Penanjung digunakan tiang bored pile. Untuk mengetahui daya dukung pondasi dibutuhkan data tanah NSPT untuk kebutuhan dalam menganalisis. Berdasarkan hasil analisis daya dukung didapat nilai 382 ton dengan metode Reese & Wright dan 349 ton dengan metode Skempton pada kedalaman 14 m. Dengan konfigurasi tiang 7 x 2 tiang didapat nilai efisiensi rata – rata 85%. Dengan hasil nilai efisiensi tersebut didapat nilai daya dukung tiang grup 4538,22 ton (Reese & Wright) dan 4147,47 ton (Skempton). Dengan daya dukung tiang grup tersebut, tiang dianggap mampu menahan beban aksial struktur atas sebesar 2391,21 ton. Besar penuruan segara yang terjadi pada tiang tunggal ialah sebesar 13,72 mm dengan metode Vesic (1977). Penurunan ini aman dimana batasan penuruan ialah 65 mm menurut Skempton dan Mc Donald. Karena tanah dominan tanah lempung maka nilai penurunan konsolidasi primer yang terjadi ialah sebesar 5 mm. Dengan demikian pondasi tiang bor dengan panjang 14 meter dan jumlah 14 tiang dengan konfigrasi 7 x 2 tiang dapat dikatakan layak dan dapat menahan beban aksial yang tersalurkan pada pondasi tiang bor
ANALISIS DAYA DUKUNG PONDASI DENGAN METODE REESE & WRIGHT (1977) DAN SKEMPTON (1966)
No full textBridge has a structural load from above which is supported by the foundation. The foundation has an important role to holding the load from the superstructure. Therefore, planning the foundation, the bearing capacity must be taken into account so the foundation should withstand the load. In the Bengkulu – Taba Penanjung toll access road construction project, bored piles are used. To determine the bearing capacity of the foundation, NSPT soil data is needed for analysis needs. Based on the results of the bearing capacity analysis, the value of 382 tons with the Reese & Wright method and 349 tons with the Skempton method at a depth of 14 m was obtained. With a 7 x 2 pile configuration, an average efficiency value of 85% is obtained. With this efficiency value, the group pile bearing capacity is 4538,22 tons (Reese & Wright) and 4147,47 tons (Skempton). With the group's pile bearing capacity, the pile is considered capable of withstanding the axial load of the superstructure of 2391.21 tons. The amount of immediate settlement that occurs in a single pile is 13.72 mm using the Vesic method (1977). This reduction is safe where the settlement limit is 65 mm according to Skempton and Mc Donald. Because the dominant soil is clay, the value of the decrease in primary consolidation that occurs is 5 mm. Thus, the drill pile foundation with a length of 14 meters and a total of 14 piles with a configuration of 7 x 2 piles can be said to be feasible and can withstand the axial load transmitted to the drill pile foundation.Jembatan memiliki beban struktur dari atas yang ditumpu oleh pondasi. Pondasi memiliki peranan penting dalam menahan beban struktur atas. Maka dari itu dalam merencanakan pondasi harus diperhitungkan daya dukungnya suapay pondasi dapat menahan beban yang diterima. Pada proyek pembangunan jalan akses tol Bengkulu – Taba Penanjung digunakan tiang bored pile. Untuk mengetahui daya dukung pondasi dibutuhkan data tanah NSPT untuk kebutuhan dalam menganalisis. Berdasarkan hasil analisis daya dukung didapat nilai 382 ton dengan metode Reese & Wright dan 349 ton dengan metode Skempton pada kedalaman 14 m. Dengan konfigurasi tiang 7 x 2 tiang didapat nilai efisiensi rata – rata 85%. Dengan hasil nilai efisiensi tersebut didapat nilai daya dukung tiang grup 4538,22 ton (Reese & Wright) dan 4147,47 ton (Skempton). Dengan daya dukung tiang grup tersebut, tiang dianggap mampu menahan beban aksial struktur atas sebesar 2391,21 ton. Besar penuruan segara yang terjadi pada tiang tunggal ialah sebesar 13,72 mm dengan metode Vesic (1977). Penurunan ini aman dimana batasan penuruan ialah 65 mm menurut Skempton dan Mc Donald. Karena tanah dominan tanah lempung maka nilai penurunan konsolidasi primer yang terjadi ialah sebesar 5 mm. Dengan demikian pondasi tiang bor dengan panjang 14 meter dan jumlah 14 tiang dengan konfigrasi 7 x 2 tiang dapat dikatakan layak dan dapat menahan beban aksial yang tersalurkan pada pondasi tiang bor
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Get PDFWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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