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Academic literature on the topic 'Lokalt omhändertagande av dagvatten'
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Dissertations / Theses on the topic "Lokalt omhändertagande av dagvatten"
Albertsen, Henrik, and Amanda Lindberg. "Lokalt omhändertagande av dagvatten på bostadsfastigheter." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-53587.
Full textQvicker, Jesper, and Ali Hassan. "Undersökning av dagvattenanläggning : Lokalt omhändertagande av dagvatten i bostadsområde." Thesis, Högskolan Dalarna, Byggteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:du-30453.
Full textIn the future we expect a warmer climate and the warmer temperatures will increase the rainfall in Sweden. How we disposes our stormwater have in the recent years got stricter requirements which resulted in new stormwater systems has been put in use. The report describes a stormwater system in a residential area developed by a large building company. In the area the stormwater is been taken care of inside the intended area. With this means that stormwater is being delayed and purified within the affected area. By using the ground conditions in the area together with technical solutions a system has been created to live up to the society’s set requirements. The report describes the sizing methods of stormwater systems that show that small changes in a large system can have a major impact on the functioning of the system. For a system to function for a longer period of time, It’s necessary to maintain the system after a planned maintenances plan witch this report presents. In order for the system to be able to be maintenance effectively in future, the study has developed three proposals for the design of stormwaterwells with associated magazines to facilitate maintenance and reduce flowdisturbances.
Hellborg, Tony, and Adam Ravn. "Kan lokalt omhändertagande av dagvatten minska översvämningsrisken i tätbebyggelse?" Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20333.
Full textWater has always played a central part in people’s lives, both in good and bad terms. As the number of firm surfaces has increased in the dense populated areas, the ability of the water to drain has decreased. This has contributed to stormwater management in urban areas which has also become increasingly important. The continued densification of urban areas gave birth to problems such as inundation caused by stormwater. The oldest parts of the cities are frequentlyaffected by floods during heavy rainfalls. When these areas were newly built, stormwatermanagement worked as required due to low density which led to natural waterdrainage paths.This paper will examine the problems of stormwater management that have emerged in citiesand reasons why these have occurred. One specific housing area will be studied from astormwater management perspective. Furthermore, the paper will present theories behind anumber of potential solutions which could be used in order to promote better stormwatermanagement. By investigating causes of the flooding problems in one specific urban area, thisreport will convey and propose suitable solutions in order to minimize the risk of future floods.Further, this report will also present calculations for the specific area of interest, and thedrainage and infiltration capacity of the area will also be investigated. A calculation afterproposed solutions have been realized, theoretically, will then be introduced. This will bepresented in order to give the audience an idea of whether or not the proposed solutions mighthave any effect. The report will not investigate expected climate changes since the possibilityto prevent or affect these is poor. Further, pipe dimensions and connections in municipal watersystems will not be examined.
Gutborn, Johan, and Niklas Holmén. "Lokalt omhändertagande av dagvatten vid ombyggnation och nyproduktion : Dagvattenhantering - styrkor och svagheter." Thesis, KTH, Byggteknik och design, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287734.
Full textCortés, Serrano Andrea. "En vägledning för lokalt omhändertagande av dagvatten : förklaring och dimensionering av LOD samt sammanställning av tekniker." Thesis, KTH, Byggvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174100.
Full textBest management practices (BMP) on storm water techniques emulate the nature in the way it controls water flows to make our built environments pleasant. Sewerage systems was a way to build away accumulations of water that could result in sources of infection and often there is a misconception that the BMP lead back to these problems. The outcome of this misconception is a routine to connect to water pipe systems, too often when nature surrounding the hard surfaces can hold more rainwater than it is taken accounted for. When there are functional requirements (for example moisture protection of house foundations) there often exist other ways to solve the problem than connection to the water pipe systems. The negative effects of this routine to connect to the water pipe systems are many, all to heed for alternatives. Amongst the effects are grounding problems as landslide, dehydrated nature areas, polluted water sources and overloaded pipes in the sewerage systems of cities and of expanding building areas. To make a reasonable choice of technique for each purpose and for the functional requirements for the analyzed grounds there is a need know how large water flows are accepted in each site. Each one of the techniques of BMP aims to emulate each one of natures tools, this is the reason this thesis describes both the natural tools and the man-made, nature-emulative techniques. Very little has happened regarding the aims to optimize areas where infiltration, perspiration and evaporation can take care of rainwater from hard surfaces since the 1970s when they were described. Notwithstanding, this feels like a very natural option to solve the problem. Some research has been done regarding the purification potential of plants in SLU, possibly this can be used for diversifying and enhancing BMP. One of the original intentions of this thesis was to give the municipality of Haninge tools and knowledge to manage BMP and for this reason a spreadsheet was elaborated to make dimensioning easier. To do this, available literature on dimensioning was used (named P46 in the matter). Some of the best management practices, abbreviated in Swedish as LUD (as opposed to LOD which is equivalent to BMP) mean an immediate uptake of storm water to be used on site for different purposes as irrigation etc and are suitable for those areas in Haninge as Dalarö that are composed by densified leisure house areas which are remade to permanent living areas. These places, being mostly littoral and isles, suffer from saltwater intrusion which would be remedied or at least diminished. Planning larger areas must take needed time, time to gather and coordinate information about the site amongst all disciplines. With this thesis and the enclosed spreadsheet the municipality of Haninge will have an easier way to prop individuals to use the techniques of BMP, specially in new areas of housing where greatest improvements could be made to lessen the strain on the sewerage systems and the pollution of nature. In the longer term, this could be the first step to make BMP the natural choice when constructing new areas.
Franzén, Fanny, and Mikael Stenberg. "En utredning av dagvattenhantering : Projekt Södra Hemlingby, Gävle." Thesis, KTH, Byggteknik och design, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301617.
Full textThe need to manage stormwater in urban areas, urban runoff, has changed. With a climate that continues to change, the weather and precipitation are becoming more unpredictable each year. When this is combined with even further urbanisation of our cities, urban flooding’s will be more frequent, with immense damage as aftermath. Södra Hemlingby is currently being exploited by Gävle kommun, with a mixture of accommodations. Furthermore, Gävle kommun will build a new school, gymnasium, retirement home and pre-school, all constructed in the municipal regime. By increasing the regulations regarding how to dimension the system designed to locally deal with the urban runoff, from a 10-year rain-plan to a more comprehensive 20-year rain-plan. Hemlingbybäcken, the local recipient in the area, is already at its maximum capacity. With the core of this thesis being urban runoff, Södra Hemlingby and its surrounding area planned to contain the social structure will be the area used as a foundation when estimating the local demand for processing the urban runoff. Furthermore, this thesis will also investigate how the increasing demand for a 20-year rain-plan will influence this project. The results indicated that the solution that best fulfils the requirements, and was within the of scope this thesis, was the kassettmagasin. When compared against a tried-and-tested method stenkista, the kassettmagasin proved to have more advantages. With the effect that comes with changing in climate and weather conditions, it is motivation enough to increase the demand to dimension for a 20-year rain-plan.
Gröndahl, Alexander, and Gustav Wernersson. "Projektering av markarbete, parkeringsplatser, cykelställ m.m." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-35552.
Full textCarlsson, Sara. "Hållbar dagvattenhantering - En fallstudie i Nyköping." Thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-68624.
Full textDagvattenproblematiken har uppkommit främst genom urbaniseringen där markens naturliga infiltration har begränsats. De hårdgjorda ytor av både asfalt och byggnader har bidragit med både förändringar i flöde och föroreningshalter, som för det mesta inte kan tas om hand i avloppsreningsverken utan leds direkt ut till närmaste vattendrag eller till havet för att minska risken för översvämningar på både gator och källare. Genom att utnyttja det naturliga ekosystemet som exempelvis våtmarker och diken, är det ett billigt, effektivt sätt för att omhänderta dagvattnet samt att det gynnar bildningen av grundvatten samt den biologiska mångfalden. Gröna tak minskar uppkomsten av dagvatten vid källan, svackdiken leder dagvattnet och tillåter en långsam infiltration samt flera olika lösningar på magasinering vid extrem nederbörd. I denna studie utvärderas ett fåtal olika naturliga fördröjnings- och utjämningsmetoder för att sedan ge ett förslag på utformning av ett industriområde i Nyköpings kommun som ska planläggas för att bli ett bostadsområde. Utmaningar vid införandet av olika naturliga dagvattensystem är behovet av markyta då man måste förhålla sig till de befintliga byggnaderna och samtidigt få en tillräcklig dränering. Mycket i rapporten utgår från Södermanlands län men tar även upp förväntade nederbördsmängder för hela landet som är väsentligt för ett optimalt dagvattenarbete.
Matschoss-Falck, Emma. "Lokalt omhändertagande av dagvatten i Västerås - Möjligheter till ökad användning i befintliga innerstadsområden : Local disposal of storm water i Västerås - possibilities for increased use in downtown areas." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202235.
Full textAndersson, Rickard. "Dagvattenhantering inom starkt hårdgjord radhustomt med jord av begränsade infiltrationsegenskaper." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-31229.
Full textPurpose: The problem with hard surfaces, as for example asphalt and roofing, is that they do not absorb enough rainwater. Furthermore, this leads to that grass surfaces and other absorbent surfaces around having to take care of all stormwater that the hardened surfaces cannot infiltrate. Flooding in urban environments has become increasingly common due to heavy rain and a high proportion of hard surfaces. This leads to an overload of the pipe line for rainwater. Therefore well-functioning balancing trays close to source needed to mimic natural drainage of nature. The goal was to investigate witch countervailing magazine mainly should be applied in heavily paved small terraced plots, where the soil has limited infiltration properties, in terms of efficiency, cost and maintenance. Method: The methods used to meet the objective is analysis of documents, qualitative interviews and a case study. The document analysis serves as a basis for the case study and interviews serve as empirical input for the case study. Findings: The countervailing magazine that is preferred is the pipe magazine when the plant surface is limited and the soil has limited infiltration properties. Implications: The problem statement treats the issue with an increasing number of floodings in urban environments due to the paved surfaces and the heavy rains. Furthermore, it is disclosed that the management system therefore risks becoming overloaded. This problem was also confirmed in the interviews. The work did not identify which countervailing magazine that is preferred for all kinds of cases, but only in the cases where land space is limited and where the soil has limited infiltration properties. The solution is therefore that pipe magazine is the magazine preferred for local disposal of stormwater in those circumstances. It is recommended when applying this result real life, to use the cost per meter and countervailing volume per meter available in efforts to work out how long stretch pipe magazine needs to be built on to achieve the desired equalization volume. Rating systems made for maintenance can however be used for other cases. Limitations: The result is applicable in similar scenarios as for the case study, which is at a row house site where the surface for the magazine is limited and where the soil has limited infiltration properties. A graph has been developed for the work where the construction cost per meter is described for each countervailing magazine and also has a graph with stormwater volume per meter been developed. These diagrams can therefore be applied to other cases with small areas but with other measures of the plot. Therefore the result also is applicable to other cases.