94 research outputs found
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Modifikasi Perancangan Struktur Gedung Perkantoran Capital Square Surabaya Dengan Menggunakan Metode Flat Plate Dan Shear Wall
Gedung Perkantoran eksisting Capital Square Surabaya merupakan gedung 35 lantai yang dibangun di Kota Surabaya yang termasuk dalam kategori risiko gempa menengah. Bangunan gedung tersebut akan dimodifikasi dengan menggunakan metode flat plate dan shear wall. Dalam tugas akhir ini, dilakukan beberapa modifikasi perencanaan. Modifikasi yang dilakukan diantaranya adalah mengurangi jumlah lantai menjadi 15 lantai dengan menggunakan sistem flat plate dikombinasikan dengan shear wall yang berfungsi sebagai struktur penahan gaya lateral. Struktur atas lainnya meliputi kolom dan balok tepi. Struktur bawah direncanakan menggunakan pondasi tiang pancang dengan pile cap. Gedung akan dimodelkan secara tiga dimensi dengan pembebanan gravitasi dan gempa. Dilakukan analisis mengenai besaran base shear dan story drift untuk memenuhi aspek keamanan gedung.
Sistem flat plate digunakan secara luas pada bangunan gedung karena beberapa kelebihan dalam aspek struktural maupun arsitektural. Dibandingkan dengan sistem rangka pemikul momen pada umumnya, struktur yang menggunakan sistem flat plate memiliki jumlah lantai lebih banyak dengan tinggi gedung yang sama dikarenakan tidak menggunakan balok interior sehingga mengurangi tinggi tiap lantai. Selain itu waktu konstruksi menjadi lebih singkat serta biaya konstruksi menjadi lebih murah dikarenakan tidak diperlukan pekerjaan pembuatan bekisting, penulangan, serta pengecoran elemen balok interior.
Dalam tugas akhir ini, secara keseluruhan struktur direncanakan dengan sistem rangka gedung. Jika direncanakan menggunakan dinding geser beton bertulang khusus, kategori desain seismik yang sesuai adalah B dan C tidak dibatasi, D dan E dibatasi dengan ketinggian maksimum 48m, serta F dibatasi dengan ketinggian maksimum 30m.
Berdasarkan hasil analisis yang telah dilakukan didapatkan ringkasan bahwa rangka utama Gedung mampu menahan beban lateral arah X dan arah Y dengan besar simpangan pada lantai atap sebesar 20,173 mm dengan periode struktur sebesar 0,639 detik. Ketebalan flat plate yang direncanakan adalah 250 mm dan ketebalan shear wall yang direncanakan adalah 400 mm.
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The exsisting Capital Square Surabaya Office is a 35-story building to be constructed in Surabaya which is located in intermediate earthquake zone. The office building will be modified using Flat Plate and Shear Wall. On this final project, there are several structural design modifications that will be done. One of which are reducing the amount of stories available to just 15-stories using Flat Plate system combined with Shear Wall to provide adequate resistance against lateral earthquake forces. The other main structure elements to be designed are columns and perimeter beams. For the foundation design, spun piles with pile cap will be used. The 3-Dimensional model of the building will be made. This model is designed to withstand any gravity and earthquake loadings. Therefore, the model will be analyzed to obtain structure response results such as base shear and story drift to fulfill the structureal security aspects.
The flat plate system is widely used in buildings because of several advantages in structural and architectural aspects. Compared to the frame resisting moment system in general, the structure that uses a flat plate system has a higher number of floors with the same building height because it does not use interior beams thereby reducing the height of each floor. In addition, construction time will be shorter and construction costs will be cheaper because it is not required to make formwork, reinforcement and concrete casting of beam elements.
In this final project, the overall structure is designed using building frame system. If it is planned using specially reinforced concrete shear walls, the seismic design category for maximum building height which is suitable are, B and C are not restricted, D and E are resricted to maximum height of 48 meters, while F is restricted to maximum height if 30 meters.
Based on the results of the analysis that has been done, it is obtained a summary that the main frame of the building is able to withstand lateral loads in the direction of X and direction of Y with structural displacement on the roof floor about 20,173 mm with a period of structure about 0.639 seconds. The designed flat plate thickness is about 250 mm and as for the shear wall thickness is about 400 m
The ecological effects of bioturbation on the eelgras Zostera capensis : community interactions and the impacts on the biota of an intertidal sandflat
Bibliography: leaves 126-134.Thalassinidean prawns in the genus Callianassa have been singled out as important bioturbators because of their size and activity, and because they often occur at high densities and burrow deep into the sediments. The ecological effects of bioturbation by Callianassa kraussi on the eelgrass Zostera capensis, and its indirect effects on the sedentary mudprawn Upogebia africana and the biota of an intertidal sandflat were assessed at Langebaan Lagoon, South Africa, through comparative surveys, observations and field experiments. I hypothesised that C. kraussi and Z. capensis have mutually detrimental effects on each other, with bioturbation by C. kraussi leading to smothering of Z. capensis, and stabilising of sediments by Z. capensis impeding burrowing of C. kraussi. I also hypothesised that C. kraussi would be negatively correlated with U. africana because the latter relies on semi-permanent U-tubes to filter-feed, and bioturbation is likely to disrupt these
Soutien aux proches-aidants francophones en situation minoritaire dans le contexte nordique : la contribution de la dynamique communautaire partenariale du Nord de l’Ontario au vieillissement à domicile
Faits saillants
Cette recherche confirme et soutient :
1.Le fait que la proche-aidance se conjugue presque exclusivement au féminin. Deux facteurs expliquent ce fait de notre point de vue : (1) les femmes sont plus nombreuses au grand âge, donc sont statistiquement plus représentées dans le rôle que les hommes, (2) la socialisation des femmes au rôle du prendre soin et son intégration par celles-ci comme allant de soi témoigne d’une légitimation à priori de l’idée que le poids de l’aidance relève naturellement de la femme.
2.Que l’aidance en contexte minoritaire francophone est un travail qui va au-delà du temps plein ; la personne proche-aidante, indépendamment du degré de perte d’autonomie de la personne aidée, doit être présente 24 h/24, 7 j/7. Elle exige à la fois de l’intervention directe (prendre soin de son proche, l’accompagner, le soutenir…) et de l’intervention indirecte (assumer la coordination des services, plaider pour les services en français…).
3.Qu’entre le discours politique sur le soutien à domicile et la réalité des proches-aidantes en contexte francophone minoritaire, il y a un écart énorme à combler par des mesures concrètes de soutien et d’accompagnement. Ces mesures nécessitent d’importants investissements, notamment dans le financement des organismes de proximité qui constituent un filet de sécurité de première ligne pour un vieillissement à domicile à la hauteur des attentes des aînés francophones
The Feasibility of a Primary Care Based Navigation Service to Support Access to Health and Social Resources: The Access to Resources in the Community (ARC) Model
Introduction: We established a patient centric navigation model embedded in primary care (PC) to support access to the broad range of health and social resources; the Access to Resources in the Community (ARC) model. Methods: We evaluated the feasibility of ARC using the rapid cycle evaluations of the intervention processes, patient and PC provider surveys, and navigator log data. PC providers enrolled were asked to refer patients in whom they identified a health and/or social need to the ARC navigator. Results: Participants: 26 family physicians in four practices, and 82 of the 131 patients they referred. ARC was easily integrated in PC practices and was especially valued in the non-interprofessional practices. Patient overall satisfaction was very high (89%). Sixty patients completed the post-intervention surveys, and 33 reported accessing one or more service(s). Conclusion: The ARC Model is an innovative approach to reach and support a broad range of patients access needed resources. The Model is feasible and acceptable to PC providers and patients, and has demonstrated potential for improving patients’ access to health and social resources. This study has informed a pragmatic randomized controlled trial to evaluate the ARC navigation to an existing web and telephone navigation service (Ontario 211)
Multidrug-resistant Salmonella Typhimurium in Four Animal Facilities
Within each of 4 outbreaks of S. Typhimurium among humans and animals at companion animal care facilities, isolates were identical or nearly identical
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