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12709 Uppsatser om Building material - Sida 41 av 848
Jämförelse mellan BKR/BSK och Eurokoders behandling av utmattning i traversbalkar med tillhörande svetsfogar
This report has been performed for WSP Construction Design located at Arenavägen 7 in Stockholm. WSP Construction Design is one of the leading departments in Sweden in construction solutions regarding everything from building construction to industrial building. Great competencies regarding steel, wood and concrete constructions are available within the department which is well sought.Crane girders used in the industry are exposed to large loads that vary over time that includes instantaneous lifts and the crane girders movement which lead to the phenomenon fatigue in the crane girder and its ingoing welds. A control of fatigue needs to be performed after a certain lifespan measured in time which in turn is converted to a number of loadcycles. When the number of loadcycles amounts to a greater number the input welds resistance will have been reduced and the rate of utilization thereby increased.
Utredning av laserskärningens materialpåverkan inför drag- och slagprovning : Teknisk Fysik med Materialvetenskap
An investigation of the heat impact of laser cutting on the material properties when producing tensile and impact test specimens of different steel types of varying thickness has been performed. The purpose of the thesis project was to provide recommendations regarding how much material that needs to be milled from the laser cut edge before tensile and impact tests. The study has been performed partly by investigating the test specimens by heat camera when the specimens were cut in the laser cutting line and partly by performing hardness tests, investigation by microscopy, and tolerance and roughness measurements and tensile tests of the laser cut material and material produced in the traditional multi operation machine. The results show that the heat affected zone in the thicker materials is greater than previously thought of, and that the currently used recommendation has to be adjusted. The study clearly shows that the thicker the material, the greater the heat affected zone, independently of the steel type, since the thicker material takes longer time to cut.
Sysselsättning eller undervisning? En studie om hur laborativt material används i matematikundervisning
Syftet med denna studie är att ta reda på hur och varför lärare använder laborativt arbetssätt i matematikundervisningen i skolår 3 samt lärarnas uppfattning om hur det förebygger elevers matematiksvårigheter. Studien inkluderar även elevers inställning till laborativt material. Motivet till valet av detta ämne är utifrån våra VFT (verksamhetsförlagd tid) erfarenheter där enskild tyst räkning dominerade matematikundervisningen och laborativt material användes som sysselsättning. Litteraturen inom området förespråkar arbete med laborativt material under hela skolgången för betydelse för elevernas förståelse i matematik och att läraren har en avgörande roll gällande konkretisering av den abstrakta matematiken. En stor del av forskningen har visat att elever som arbetar med laborativt material i matematik presterar bättre än elever som inte gör det.
I undersökningen har vi använt oss av två kvalitativa undersökningsmetoder, intervju och observation.
Design and evaluation of an AGV-system for Tetra Pack in Lund using simulation
This examination work is the final work in our education to become a Bachelor of Science inMechanical Engineering by the University of Lund.The main purpose with this work has been to develop a new effective material handling system for TPPM AB in Lund since the existing system starts to become out of date. The future system that is going to be installed shall have the capacity to support all machines with unit-, semi- and finished goods during full production. The work has also included studying the possibilities to change the material flow in a positive way between the storage and the production when one is using existing buildings.During our work we have been used a simulation program called AutoMod, performing company visits, interviews and reviewed internal and external information to create a picture of what the best conclusion can be. During the work we have contacted five suppliers to receive system solutions and quotatioris. The suppliers, which have been contacted, are Swisslog, Moving, Rocia, Christensen & Hansen and ABB.
The digital dark age? Bevarande av elektroniskt material i Sverige
The first law in Sweden containing an act of legal deposit is from 1661. Since then the printing-houses are supposed to deliver all printed material to the Royal Library and other recipient libraries. Today, more and more information is solely published electronically. This material is not yet included in the law of legal deposit. In a similar way as our printed cultural heritage is saved for posterity our electronic cultural heritage has to be saved.
Svanenmärkning av småhus : Kan Faluhus uppnå en Svanencertifiering?
Eco certification of small housesTo construct an environmental friendly building and show that as a company you care for the environment, is presently very attractive in the Swedish real estate market.This degree thesis covers the environmental certification called ?Svanenmärkning? the Swan, witch is the Swedish equivalent to the European standard ?the EU Flower?. It is concentrated on the certification process in small houses that the Swedish institute of standard, SIS, has presented. We have worked together with the company Faluhus witch is a Swedish producer of small family houses.Faluhus is located in the town of Borlänge, Dalarna and has produced family houses since the 1950:s. They have a great heritage born in the old Swedish mining culture, with great wooden mansions and country homes.
Urban Building vid Hornsbruksgatan : - att bo i spänningsfältet mellan berg och ljus
Ett bostadsprojekt i spänningsfältet mellan berg och ljus..
Allt är möjligt hus i Gustavsberg
In a sequence described in the next paragraphs, I remove the poorly insulated roof of Gustavsberg Porcelain Factory and make new use of its foundation. The monolith cement slab, once supporting heavy industrial machinery, is now the site of lakes and other movements:The top floor area is split, and a new built volume, one story higher, overtakes the southern half resting on the factory?s basement, digging into it at its western and eastern ends. Striking horizontally, the fissure exposes a long central axis, taking advantage of the factory?s horizontality to articulate vastness .
ENERGIEFFEKTIVISERING? Av lamellhus byggt på sextiotalet
TitleEnergy-efficiency ? of slab blocks built in the sixtiesAuthorsRichard Sandahl and Kim SöderbergEducationHalmstad University, Section for economy and technique Construction Engineering 180 ECTSSupervisorMargaretha Borgström, Universitylector construction physics, Halmstad UniversityContact person at HFABUlf Johansson Heating, sanitation and energy co-ordinatorReportExamination paper at the construction engineering program is performed in cooperation with HFAB (Halmstad real estate concern Inc.)AimThis examinations work is done in cooperation with HFAB and there project on the block around the street Maratonvägen. HFAB:s dwelling stock on this area are going through a bigger renovation and in relation to this they are looking on the possibilities to make this building more energy efficient. That is why this examination paper has as purpose to answer the question if it is possible to make slab blocks built in the sixties more energy efficient. This is done by calculate energy efficient measures on a chosen apartment block at Maratonvägen in Halmstad, in an energy and expense perspective.MethodThe examination paper is based on different methods, mainly calculation but also qualitative conversation studies, economic calculations and literature studies.
Läromedlet Aktiv svenska för gymnasiets kura A ur ett genusperspektiv
Detta examensarbete visar resultatet av en undersökning om hur språklärare i engelska, franska och tyska på gymnasieskolan använder sig av autentiskt material i undervisningen och hur de tror att detta påverkar eleverna.En kvalitativ forskningsmetod har använts och därefter har resultaten analyserats med ad hoc-metoden.Resultaten visade att nästan samtliga lärare blandade läroböcker och autentiskt material i sin undervisning för att ge variation. Den främsta anledningen till detta var att lärarna upplever att elevernas motivation ökar dåundervisningen varieras och om eleverna kan se en viss verklighetsanknytning. Vissa skillnader mellan språken påvisades, då engelsklärarna i större grad uppgav att de använde autentiskt material i undervisningen. Lärare ityska och franska menade oftare att brist på material och elevernas kunskapsnivå förhindrade arbetet med autentiskt material. Lärarna påpekade även att kursplanen inte hade någon påverkan gällande materialet, utan attdet var varje lärares beslut att ta..
Energieffektivisering av Åhlénshuset i Umeå : Utredning av åtgärder för ventilation, värme och kyla
Sweden is a country that has made some progress in developing energy efficient solutions. The problem in Sweden is that many houses and apartment buildings are old and have inefficient ventilation- and heating systems. This energy is lost when systems are inefficient, which then results in huge economic costs. Luckily, more and more people are becoming aware of this, which means that Sweden is on track to become even better within energy efficiency.Energy use for the housing- and service sector amounts to 166 TWh of total use at 616 TWh. Without distribution and conversion losses, these figures show that the housing- and service sector accounts for almost 40 % of the country's total energy consumption.
Tonala skillnader mellan ett tryckande stall och ett limmat stall. : -hos en bouzouki
SummaryI have a great interest in bouzoukis and since I, during my education in guitar making, mainly have focused on building bouzoukis and other traditional folk instruments, I have chosen the bouzouki as the object of my degree project.In connection to the making of these instruments, I started to consider the construction of the bouzouki and why the bouzouki has such a characteristic sound.One of my theories is based on the fact that most bouzoukis are made with floating bridges instead of glued pinbridges. Do these types of bridges differ from each other tonally and if so, how much and in what way?To receive answers to my questions, I have built two identical bouzoukis with different types of bridges, one with a glued pinbridge and one with a floating bridge. I have been very precise in the making of these instruments, giving them the exact same dimensions and using material from the same piece of wood. This to make sure that the instruments should be as exactly alike as possible.After finishing the making of the bouzoukis, I arranged for a sound test where I let musicians play and listen to the instruments.
Vart sker besparingarna inom kommunens verksamheter?
I have worked with Bergum in different courses on the IntegratedConservation of Built Environments program and I thought it was a veryinteresting subject. This is the main reason why I chosen to write mybachelor paper about Bergum.In 1650s Bergum was situated on the border between Sweden and Norway,because of that it occurred some war conflicts.Today Bergum is a socioeconomic border and is situated in an areabetween the city?s concrete suburb and the countryside.The difference between the city?s concrete suburb and the countryside mayfeel like two different worlds, were the social contact is fractional.With this paper, I will indicate a countryside area on the boundary to the citythrough time and try to survey the building history. I will also try todemonstrate the socioeconomic differences between the areas.I will demonstrate Bergum history from prehistory to present time, were I willdiscuss the agriculture history, Vättlefjäll?s forest history and also thedeforestation and replanting.
Building Information Modeling Som ett hjälpmedel i byggnadsprojekt
Just nu pågår stora förändringar i byggbranschen. Kostnaderna för att bygga är idag för stora och branschen letar efter nya metoder för att effektivisera byggandet och minska kostnaderna. Genom att använda sig av den relativt nya Building Information Modeling-tekniken (BIM) öppnar sig flera nya dörrar för vad som är möjligt.BIM är kort sagt en digital modell där all information för hur ett byggprojekts utformning, konstruktion, utrustning och förvaltning ska hanteras. En gemensam modell skapas som arkitekten, byggnadskonstruktörer, vvs-konstruktörer, el-konstruktörer och förvaltare har tillgång till. Ändringar som görs i modellen blir direkt synliga för de andra parterna.Den gemensamma modellen ligger lagrad på en gemensam server för att underlätta kommunikationen.I produktionen har man mycket att vinna av BIM.
Parkeringsköp ? ett verktyg vid plangenomförande?
Few issues raise such an engagement as parking areas, both by the municipality, property- and car owners. For car owners, it is of great importance where to park his car. Parking is not simply about availability but also about safety, security and how it affects the urban environment.When the land will be utilized for building development, there are regulations in Chapter 8, § 9 PBL how parking will be provided. Property owners have an obligation to provide parking space and it shall be arranged in an equitable manner, on the site or near it, which gives an opportunity for shared parking facilities. The guidelines for parking that the municipality has adopted should be the starting point for the extent of that space for parking is required when a building permit review.The first thing you should look at, is if the property owner has ability to provide parking space at his own property, but this is not always the best solution in areas such as inner cities.