552 uppsatser · sida 2 av 37
Influence of Restraint in Casting Joints <br /> and in Concrete Structures on Resilient Foundation
In this report, the risk of cracking in joints and/in adjacent concrete is estimated by checking shear forces in joints and the ratio between the actual maximum principal stress ant the actual strength of the concrete. The shear force has been estimated both by simple methods as …
En studie av vad lärare och elever associerar ett laborativt arbetssätt i matematik med
… The purpose of this study was to find out what teachers and students associate concrete mathematics with and make a comparison between them. A qualitative method based on interviews was used to reach the purpose. The data was analyzed and the result was that two groups took …
En studie för Strängbetongfabrikerna i Veddige och Herrljunga
… AB, Sweden. The natural gravel that is being used as fine aggregate for concrete production today is an ending natural recourse and the Swedish government has decided to strongly reduce the extraction from the year of 2020. The only reasonable replacement is aggregates from …
a comparative study of piglets reared on structured polyurethane coating and piglets reared on concrete floors
… with a profile in pens with nursing piglets was tested and compared with a concrete floor, as the soft floor theoretically should be gentler toward piglets? claws and legs. To avoid injuries caused by slips, a structured surface profile to increase the friction and floor grip of …
… aims to develop a methodology for determining the condition of load-bearing concrete structure and to test this methodology on an older existing building. The selected building is a community hall in Gävle, built in the late 1940s. It is a heavy structure building of five floors …
… firms. We have chosen to limit the thesis to discuss only road bridges made of concrete due to the lack of method for verification of concrete in the national appendix. There is a need for clarification of what method to use. To make sure that this thesis will be of use to the …
Med häktet i Helsingborg som referensobjekt
… another location. Among all the materials in the property, it was found that concrete elements were the worst pollutants. This report has, however, showed that the longer expected life time, the better this concrete frame is in comparison to wooden frame. If the property will be …
Livscykelanalys av flerfamiljsfastigheten "Teodoliten"
… another location. Among all the materials in the property, it was found that concrete elements were the worst pollutants. This report has, however, showed that the longer expected life time, the better this concrete frame is in comparison to wooden frame. If the property will be …
Skillnader i genomstansningskapacitet för metoderna i BBK04, EK2 och BHB
… mainly the method in BBK04 that was used for calculating punching capacity in concrete structures, and in less common cases the method in BHB. The method of BBK04 is easy to use and have had the same structure since the first was published in 1979. The Concrete handbook method …
Ekhagsmotet i Jönköping
… type of bricks that are a bit like a sandwich element, with a core of EPS and concrete on both sides of the core material. The concrete is hollow, so that after the walls has been bricked up you pour concrete into the hollow bricks. The issue of this report is to find out if …
… type of bricks that are a bit like a sandwich element, with a core of EPS and concrete on both sides of the core material. The concrete is hollow, so that after the walls has been bricked up you pour concrete into the hollow bricks. The issue of this report is to find out if …
Ett examensarbete om akustik- och brandkrav samt en jämförelse av energi- och fuktaspekter
… wooden beams and the floor structure is an assembled structure of wood and concrete. Martinsons system consists of cross-glued wood, which is abbreviated KL-wood. To get an idea of the differences between wood and concrete, the two systems of wood are compared with a concrete …
En LCA-analys med fokus på koldioxidutsläpp samt en LCC-analys
… boundary, that contributes to greater carbon emissions for the wood- and the concrete bridge. The life-cycle cost analysis was calculated with a lifespan of 40 years and covers the basic cost of investment, operating and maintenance, and decommissioning costs. The analyzed …
… a rotary milking system, with a matched group of cows on traditional scraped concrete alleys used for comparison. All claws were trimmed and lesions recorded at the beginning and end of the 4-month study. Locomotion, claw and leg health, behaviour and hygiene were observed and …
Ett alternativ till den platsgjutna kärnan
… way to stabilize high rise buildings is to use an elevator core built of concrete. Today, we use to build these elevator cores of in-situ concrete. Precast concrete twin wall (double wall) is a semi-finished product that has become more common in recent years. This diploma work …
