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Samverkan mellan geotekniker och konstruktörer
Malmö högskola, Faculty of Technology and Society (TS).
Malmö högskola, Faculty of Technology and Society (TS).
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Föreliggande studie omfattar sättningsberäkningar med den senaste kommersiella versionen av datorprogrammet FEM-Design 12, utvecklat i samverkan mellan konstruktörer och geotekniker. Programmet är en uppföljare till den tidigare versionen FEM-Design 11 och även en förbättring av den betaversion 12, som fanns tillgänglig och under utveckling fram tills att den första kommersiella versionen av FEM-Design 12 lanserades under hösten 2013. Tidigare studier har gjorts av en Betaversion 12 i form av ett examensarbete, där jorden modellerades med volymelement, enligt kontinuumsmekanik. Resultaten i studien påvisade en stor procentuell sättningsdifferens (22 %) jämfört med sättningsberäkningar i det geotekniska programmet PLAXIS. Denna procentuella skillnad kan antingen bero på att själva byggnaden inte kan modelleras i PLAXIS och därmed inte kunde beaktas i beräkningarna, eller att det fanns brister i betaversionen FEM-Design 12, vilka gjorde att resultaten som uppvisades inte var rättvisande. I denna naturliga fortsättning har nya beräkningar gjorts med hjälp av den senaste kommersiella versionen av FEM-Design 12 för att validera sättningarna i en ny pilotstudie och undersöka om rimliga resultat erhålls. Som en del av denna jämförelse och värdering har även sättningsberäkningar för hand utförts. Interaktionen mellan FEM-Design och användarna har granskats för att se hur brukarna upplever den nya versionen samt om programmet uppfyller de mål som formulerades i samband med utvecklingsarbetet. Tre olika projekt har modellerats i FEM-Design 12 där jorden beskrivs med finita element (volymelement).

Abstract [en]

The present study includes settlement calculations with the latest commercial version of the computer program FEM-Design 12, developed in collaboration between geotechnical- and structural engineers. The program is a sequel to the earlier version FEM-Design 11 and also an improvement of the beta version 12, which was available and under development until the first commercial version of FEM-Design 12 was launched in autumn 2013. Previous studies have been made of a Beta version 12 in the form of a study, where the soil was modeled with volume elements, according to continuum mechanics. The results of this study demonstrated a large percent set difference (22 %) compared to settlement calculations in the geotechnical computer program PLAXIS. This percentage difference could either be due to that the building itself cannot be modeled in PLAXIS and thereby could not be considered in the calculations, or that there were deficiencies in the beta version FEM-Design 12, which led to that the results exhibited were not accurate. In this natural continuation, new calculations have been made by using the latest commercial version of FEM-Design 12 to validate the settlements in a new pilot Study and examine whether reasonable results is obtained. As part of this comparison and evaluation, hand calculations have been performed. The interaction between FEM-Design and the users have been examined to see how the users experience the new version and whether the program meets the objectives formulated in the context of the development work. Three different projects have been modeled in FEM-Design 12 where the soil is described by finite element (volume elements) will be used.

Place, publisher, year, edition, pages
Malmö högskola/Teknik och samhälle , 2014. , p. 48
Keywords [sv]
Sättningar, FEM-Design, Kontinuumsmekanik, Volymelement, PLAXIS, Finita element
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mau:diva-20435Local ID: 16688OAI: oai:DiVA.org:mau-20435DiVA, id: diva2:1480311
Educational program
TS Byggingenjör
Available from: 2020-10-27 Created: 2020-10-27 Last updated: 2022-06-27Bibliographically approved

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