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747 Uppsatser om Pore pressure - Sida 24 av 50

Numerisk simulering av jordtryck mot rörbro ? Med tillämpning av programmet PLAXIS

This thesis deals with numerical simulation of earth pressure against tubular bridges in the software Plaxis. Plaxis is a FEM (Finite Element Method) software based on numerical calculations for which approximate solutions are developed through an iterative process. The program is specifically designed for soil and rock mechanical tests, such as voltage and deformation calculations in soil.The Royal Institute of Technology conducted in 2005, field tests on tubular bridges of corrugated steel, which was part of Ersa Bayoglu Fleners PhD (Bayoglu Flener, 2009). She studied how two different tubular bridges deformed during installation and filling. Tests and measurements were made during filling.

Kalvhyddans utformning : påverkan på kalvens hälsa och komfort

This paper aims to, through a literature review, examine how to best design and adapt calf huts to meet the calf's physiological requirements and reduce the infection pressure for enteric and respiratory diseases. It illuminates how the calf relates to different temperatures and climate, which temperature control mechanisms it uses and its ability to perform these regulations, as well as providing a summary of the past decades´ research on the calf huts housing system. These two theory chapters, along with a concluding discussion, provide a better understanding of how to, especially in temperate climates, design the most suitable calf hut, which cater to the calf's both thermal comfort and physical health. The literature suggests that the calf's own temperature control works well to counteract the temperature outside the desired range, and that one of the most important factors rather is ventilation of a calf hut, which reduces moisture and pathogens. The conclusion of this paper is mainly that there is not an obvious way to place and construct a calf hutch and that most design principles contribute to both positive and negative effects simultaneously.

Gruppverksamhet för barn till missbrukare : en jämförande studie av två gruppmodeller

In Sweden approximately ten percent of all children grows up in a family where at least one parent is having an alcohol related addiction. Since 1998 the development of group activities for children in this situation has been immense. The aim of group activities is to break the child's isolation and make them feel that they are not lonely in their experiences, give them knowledge about addiction and relive the pressure of guilt and responsibility.In a comparative study we examined studied how two different group activity models one with the conception of illness and one without, use the children's network to support the group process. The aim was also to find each models definition of the "normal family", since we understood the groupactivity as a part in the normalization process. We reached our aim through interviews with group leaders and by literature studies.

Den innovativa förmågans förutsättningar: En studie av organisationer inom Internetbranschen

Nowadays, the world around us is changing faster and faster, the globalization is increasing and harder competition puts extra pressure on companies to be more innovative than ever before. One of the fastest changing industries is the IT industry where the actors always have to be up to date to keep their competitive advantage. The authors want to find out what makes some companies in this industry more innovative than others by examining what internal elements that are necessary for innovation. Much research has already been carried out within the field of innovation and especially about innovation management, although less research exists about smaller, non high tech service companies. Therefore the authors also tries to find out how applicable today?s theories are on this special field and thereby fill a smaller gap in today?s research.

Optimering av skumdämpande additiver För användning i en lufttorkande vattenburen rostskyddsprimer

The development of defoaming additives is steadily progressing and there are therefore always new and improved additives on the market. Some modern additives provide the desired defoaming effects by themselves, in contrasts to previous additives that needed to be used in combination with other additives. The task of this bachelors thesis was to evaluate the possibility of using these improved defoaming additives, with the aim to find alternatives that give the system better defoaming attributes while, at the same time, using less of the primary products. The tests were carried out in the coating type Teknocryl Aqua Combi 2780. The coating is a waterborne air drying acrylat-latex/alkyd based coating that can be used for both single coat painting and primer.

Hjärtans god Choklad - Flavanols påverkan på blodtrycket

Kardiovaskulära sjukdomar och hypertoni blir allt mer vanligt i västvärlden. Trots livsstilsrekommendationer ökar antalet insjuknanden i hjärt-kärlsjukdomar, vilket har blivit en av de vanligaste dödsorsakerna i Sverige. Syftet med litteraturstudien var att undersöka om flavanol i kosten kan användas blodtryckssänkande samt att klargöra om flavanol påverkar den kardiovaskulära ohälsan. Metoden som användes var en litteraturstudie av redan publicerade vetenskapliga artiklar inom ämnet. Flertalet studier visar på att flavanol har en blodtryckssänkande likväl som andra positiva effekter.

"Än så länge går vi på känsla" : En studie av bibliotekariers hantering av kontroversiella medier

The purpose of this bachelor's thesis is to investigate how working librariansmanage controversial media. It builds on three debates in the media about libraries and booksthat have taken place during the years of 2012 and 2013. The questiones asked were: How dolibrarians manage racist media? How do librarians manage media that instructs on how tocommit crimes? How do librarians manage sexually explicit media? And lastly, how dolibrarians manage pressure from outside of the library? The theoretical framework consists ofRobert Hauptmans division of the two kinds of ethical strands of librarianship, in this thesiscalled ?Free information? and ?Information responsibly?. The method used to collectempirical material was qualitative interviews.

Kedjetäckens påverkan på sömn och aktivitet : En före- och efterstudie

Syftet med denna litteraturstudie var att undersöka patientens upplevelse av livskvalitet efter överviktsoperation samt främjande omvårdnadsåtgärder. Metod: Litteratursökning utfördes i PubMed och Cinahl med Full Text. Sökord var följande: Bariatric, Bariatric Surgery, Quality of life, Bariatric patient, nursing, postoperative care samt treatment outcome. Dessa sökningar kompletterades med manuella sökningar. Efter genomgång avseende inklusions- och exklusionskriterier valdes sammanlagt 16 artiklar ut för denna litteraturstudie.

Or?ttvist flexibelt? En studie om hybridarbetets betydelse f?r r?ttvisa och v?lm?ende inom en organisation

The purpose of this study is to explore how hybrid work affects the experience of organizational justice and psychological well-being within an organization where working conditions differ between professional groups. Using a combination of semi-structured interviews and a quantitative survey, the study offers a nuanced understanding of how various work arrangements are perceived and interpreted by employees. The findings show that justice is not primarily about having equal conditions, but rather about how these conditions are understood and communicated within the organization. Many employees accept differences in work arrangements when they are perceived as logically justified and clearly communicated. However, when these differences lack explanation or are associated with injustices, frustration can arise even if employees understand the reasons behind them.

Självgående renslastare till sockerbetor :

Our greatest interest within crop farming is to grow sugarbeets, that?s why we want to write about something new in this sector. We heard that a new concept had come to Sweden so we wanted to find out everything about this machine. This new technique was a self-propelled cleaning loader for sugarbeets. This machine is supposed to replace a loader and a cleaning machine when the sugarbeets is going to be loaded, cleaned and delivered to the sugerbeet factory. The cleaning loader picks up the sugarbeets with rollers from the pile, which is placed close to the road.

Förslag till kväverening i Forsåsystemet genom våtmarksetablering

The last hundred years humans have drastically changed the amount of available nitrogen in nature. Today human activities release twice as much available nitrogen as all natural processes are doing together. We also have degraded nature´s possibilities to take care of nitrogen through the draining of wetlands and straightening of rivers. In order to regain the potential of nitrogen retention in the water systems there now requires a reshape of the landscape we live in. A planned expansion of the mining activities in Garpenberg, Dalarna, would double the content of nitrogen in the waters below the mine.

matematikämnets egna språk : En kvalitativ studie av förståelse för och missförstånd kring geometriska begrepp

This study is based on interviews with four managers in public elderly care and four managers in private elderly care. The aim of this paper is to examine how these managers are experiencing their leadership in relation to conflict management, and if the managers leadership differs depending on private or public elderly care. Leadership and conflict management are theories that have been used in order to analyze the empirical findings. Previous research that has been used in the study concerns ?leadership/leadership styles?, ?conflict management?, ?to be active in the private/public elderly care?.

Mobbning i skolan : En studie om elevers relation till mobbning

According to Nosti (2012) banks target youths to find new customers by giving them special offers such as debit cards from a relatively early age. However, Moschis and Churchill (1979) point out that age can affect the level of knowledge in the consumer. Therefore, this essay focuses on youths as consumers. Specifically, youths? awareness of security risks in using bank tools such as debit cards or internet banks was studied.

Den politiska maktens bruk, missbruk och icke-bruk av historien : En analys av debatten om Sveriges och EU:s erkännande, samt Turkiets förnekande, av folkmordet på armenier, assyrier/syrianer/kaldéer,och pontiska greker 1915-1917

This essay is about use, misuse and non-use of history in politics. To recognize genocide is a use of history that has been established in politics, but also sparked debate. The position of non-use of history in international policy towards Turkey's denial policy has increasingly been replaced by recognition of genocide as a matter of making up with the story, moral consider, and where fundamental issues of culture, identity, history and morality has become guiding element in the discourse behind European expansion and integration policies. A breakthrough for this change is due to the Cold War's end; since the 1980s it has become possible to realize the humanitarianism which has its roots in the Enlightenment humanism underlying the United Nations, and later the EU conventions on human rights and genocide conventions. A genocide concept has become an important discourse in world politics that puts moral pressure on states to act.

Ambulanssjuksköterskan och höftfrakturpatienten : smärtlindring och trycksårsprevention : en forskningsöversikt

Introduction: Anxiety and depression are common among patients enrolled in psychiatric outpatient care. Ear Acupuncture is an alternative form of treatment that has been shown to relieve anxiety and depression in previous studies.Aim: To evaluate ear acupuncture as a group treatment for depression and anxietyMethod: A psychiatric outpatient clinic has been offering group treatments with ear acupuncture for anxiety and depression for 5 weeks. Participants of the study have answered self-rating scales Montgomery Åsberg Depression Rating Scale, Beck Anxiety Inventory and Sheehan Disability scale before and after the treatment period. Material was collected in the period 2008-2012 and has been analyzed in SPSS.Results: Data from 31 patients were included in the study. The results from the study showed a significant difference, between the measurements before and after treatment, with a reduction of the average values in the three different scales.Summary: From this study, it is difficult to draw any conclusions about the effect of ear acupuncture.

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