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2552 Uppsatser om Lean Construction - Sida 42 av 171
Sambanden mellan arbetets utformning, samspel inom team och samspelets betydelse för teamets proaktiva beteende i Lean Production
Studien är genomförd inom ramen för ett större pågående longitudinellt forskningsprojekt om teamarbete inom Lean Production i fordonsindustrin. Syftet är att studera sambanden mellan arbetets utformning, samspel inom team och samspelets betydelse för teamets proaktiva beteende. Resultatet baserades på en tidigare genomförd enkätundersökning (N=352) och chefernas bedömning av teamets proaktiva beteende. Korrelationsanalyser visade att starkast signifikanta samband fanns det mellan arbetets komplexitet i inte standardiserade arbetsuppgifter i team och chefernas skattning av teamens proaktiva beteende. Multipel Regression visade signifikant samband mellan chefernas bedömning av teamens proaktiva beteende och teamens kognitiva process att skapa samsyn om arbetet med arbetets komplexitet i inte standardiserade arbetsuppgifter i team.
Prototyputveckling av digitalt styrsystem för torkskåp
Nimo Verken AB is the leading producer in the Scandinavia of drying cabinets. The construction has, with small changes, been the same since the 70s with a thermostat and a timer as controlling system. There was a wish to develop a modern cabinet which showed remaining time on a display and with energy saving functions.In this report we go through how it is possible to implement a digital controlling system, where remaining time is shown on a display and where it is possible to choose a preset ?program?.The report first presents the fundamental theory for a PIC, where we describe the different registers, how interrupts are handled, the internal clock function and how data is sent to control the different parts of the construction.Next the report presents and describes the new hardware that is needed, such as the encoder, the temperature sensor and the display.After the theory we describe how the program in the PIC may be drafted. Last in the report we have the result of the tests of the temperature variations and the accuracy of the time..
Kvalitetsbristkostnader under garantitiden
Construction companies in Sweden have for recent years seen an increase in the numbers ofwarranty complaints associated with the market of resident buildings and the cost for this hasbeen measured to over 1.2 billion SEK per year. Working with poor quality cost as a way ofcreating insight about defects within the company?s processes is a method developed and usedby the manufacturing industry for decades, but have not yet reached the construction industry.This study has been performed in collaboration with a Swedish construction company, wherethe author has been stationed at the aftersales division for residential buildings. Owing tocircumstances, this published report has been made anonymous regarding the company whowill further on be namedthe Company. The Company is aware that warranty claims producegreat costs and has requested a way of putting cost and cause to specific claims in order ofreceiving a more specific cost view and to make the reuse of knowledge more efficient.
Radon i betongkonstruktioner : - Kan det undvikas?
The following article consists of two parts; one part is about house construction and the other is a specialization about radon. The house construction part describes how to project a house from start. It contains the conformation of the house, the installations needed, calculations considering the strength of the construction, energy calculation and what materials were chosen. Calculations considering the costs of building and operate the house has been carried out. The result showed that the house would cost approximately two million Swedish kroner to build and thirteen thousand kronor a year to operate.
Kontrollmodul
This report describes the scientific work of designing and manufacturing an intelligent controller module prototype for automobile trailer connections. The functions of the module are both to drive the lamps and detect failures. The module also contains functions to handle other functions of the trailer. To learn about controller modules the group does extensive feasibility study.The group receives three already existing modules, the functions of the three modules are studied and tested in the lab, this is done too get a overview of the construction. The method used I called reversed engineering, a way of constructing by analyzing constructions already done.When the modules are analyzed, the functions of the prototype are tested and designed without copying the analyzed modules.
Klagomålshantering i den svenska bankbranschen
The production costs have steadily increased within the construction industry during the 21st century. Voices are raised meaning that the construction industry is too unsuccessful in making the production more efficient and to develop it?s way of working. One way to deal with the production costs is to minimise the waste, with waste meaning activities that doesn?t add value to the finished product.
Skjuvhållfasthet och deformationsegenskaper för Uppsalalera med CRS och standardödometer
Shear Strength and Deformation Characteristics of Uppsala Clay with CRS and Standard OedometerTyra Morell Bonin & Magdalena MählerTo see how much a clay compact under different pressure one can use several different methods and in this project, two methods were used, the Standard Oedometer and a CRS apparatus. A Standard Oedometer is a full-time manual device and the CRS apparatus is a modern electric and automatic device. The aim of the project was to see similarities and differences between the two methods and examine which method that were most reliable. This has been done with repeated laboratory tests and afterward evaluations. With this information one can get a picture of how the clay will behave and how it will deform in nature.
Prefabricerade väggelement av hampabetong
Lime Hempcrete consists of lime, water and hemp and creates an insulating, sound-absorbing, lightweight and environmentally friendly material that can be used in wall, roof and floor structures (Bevan & Woolley 2008). This construction method is not yet developed in Sweden as there has been a ban on the cultivation of the hemp plant. This ban on the cultivation of hemp was removed in 2003, when the material got a boost. You can use it in many different ways and not just in the construction industry (Ahlsten, 2010).In this study we have investigated the possibility to produce prefabricated wall elements of LHC. We have also studied its mechanical properties and dehydration time.
Förbättrande av processen för hantering av kundreklamationer
genom offensiv kvalitetsutveckling
Detta examensarbete har genomförts hos General Electric Healthcare Life Science i Umeå, GEHC Umeå, som tillverkar högteknologiska laboratorieinstrument. GEHC Umeå upplevde att deras kundklagomålsprocess hade stor förbättringspotential, men var inte helt säkra i vilket avseende de helst ville förbättra den. För att kartlägga problemkategorierna inom processen genomfördes en förstudie med några medarbetare, i Umeå som är involverade i processen. De identifierade problemkategorierna var ledtid, lärande av kundklagomålen, utförligheten och professionalismen av svar på kundklagomålsärenden samt utbildningsbrist hos medarbetarna. Utifrån förstudien skapades en teoretisk referensram och processen analyserades genom litteratur inom offensiv kvalitetsutveckling och Lean.
Kommunikationseffektivitet och kommunikationsstrategier för L1- och L2-talare i referentiella problemlösningsuppgifter
This thesis examines and measures differences in effciency between L1- and L2 language use for solving referential problems. Quantitative measures used in the study were time and error frequency. Qualitative measures, such as how the tasks and the participants own performance were experienced, were measured by an post interview and two questionaires. Two different tasks, a sorting task and a construction task, in which each informant was given the role as a constructor or instructor, were used for data gathering. A total of 20 dyads, divided in two language groups (English and Swedish) participated in the study.
Utvärdering av Revit Architecture : Med hänsyn till Autocad Architecture
This Degree project summarizes how it is to work in the CAD program Revit Architecture. This was done because AQ Arkitekter in Eskilstuna is interested in how Revit works. Especially compared to AutoCad which is the software they are using today. Will their work become more efficient with the new software?The starting point was to find out how it is to work with Revit when you only used AutoCAD Architecture before.
Intäktsredovisning i svenska byggföretag -En studie kring IFRIC 15 och IASB:s föreslagna standard och dess påverkan på intäktsredovisningen i tre svenska byggföretag
One of the most crucial entries in the financial statements is revenue. Despite the importanceof revenue a lot of mistakes are made concerning this entry because of the extensive room forjudgements. Especially in the construction companies where a lot of differences exist due tothe fact that different standards are used for similar business transactions.The research concerning IFRIC 15 and the new upcoming standard for revenue recognition isnot very extensive. Studies including both IFRIC 15 and the new standard are even morelimited. Therefore this study aims to compare the effects of IFRIC 15 and the new upcomingstandard for revenue recognition, Revenue from Contracts with Customers, in three Swedishconstruction companies.
Stenebergs sockerbruk: en fallstudie av en timmerstomme fr?n 1739
Stenebergs sockerbruk is a large log-timber construction, purpose built as a sugar refinery in
1739 and is one of Sweden's oldest industrial buildings constructed entirely out of wood.
Despite receiving the status of a listed building (in Swedish: Byggnadsminne) in 1977, there
exists today a surprisingly low amount of documentation of the building itself. In order to
enhance the existing and lacking building documentation, this case study aims to shed light
on the building's log-timber built frame, focusing on how it was constructed, how the long
lengths of its walls were handled and what type of joinery and tools were used.
A thorough investigation of the building is conducted on site, followed by gathering of
information which is then presented through text and illustrations. The findings indicate the
orientation of timbers, location of joints and scarfs as well as tool marks which together
contribute to the forming of a basis of understanding of the building's construction..
Visualisering av tomten Pelarsalen, Välle Broar
This Degree project summarizes how it is to work in the CAD program Revit Architecture. This was done because AQ Arkitekter in Eskilstuna is interested in how Revit works. Especially compared to AutoCad which is the software they are using today. Will their work become more efficient with the new software?The starting point was to find out how it is to work with Revit when you only used AutoCAD Architecture before.
Livscykelanalys för koldioxidutsläpp från flerbostadshus
Today, about 15 to 20 percent of Sweden?s total emission of carbon dioxide can be traced to the household sector. By examining apartment blocks in a life cycle perspective, the origin of the carbon dioxide emission has been charted and analyzed. This information has been used to create a computational model that calculates the total emission of carbon dioxide from a specific apartment block. The results from the analyzed apartment blocks indicate that both the use of energy and the emission of carbon dioxide have been reduced since the 1960s. Through the examination of building materials, it is possible to lower the emission of carbon dioxide that origins from the construction phase of an apartment block.