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549 Uppsatser om Timber transportation - Sida 6 av 37

Hållbara transporter : Överföring från väg till järnväg

Road transports stand for a great part of Sweden?s total CO2-emissions. Transports are expected to increase over the coming years, and with those the emissions. A greater environmental awareness leads to increased demands for environmentally friendly transport. The aim of this thesis is to study the consequences of changing transportation modes from road to railway.

Contortatallens roll för virkesförsörjningen på Holmen Skog, Region Iggesund : konsekvensanalys av fyra hushållningsstrategier för contortatall

Large areas of Lodgepole pine (Pinus contorta var. latifolia) were planted in the 1970s - and '80s. The purpose of the fast-growing species was to increase growth and with short rotation periods allow a rapidly increased harvest level. Today a large proportion of the young forests owned by Holmen Skog, Iggesund are covered by Lodgepole pine and an active forest management is required to spread the harvested volume over time which is desirable by a market perspective. The purpose of this essay is to investigate the possibility of spreading the harvested volume of Lodgepole pine over time.

Investeringsmodell för lastpallstillverkning vid Södra timber i Långasjö : Investment model for pallet manufacturing at Södra timber in Långasjö

Huvudmålet med detta examensarbete var att undersöka om det för Södra timber är ekonomiskt hållbart att tillverka engångspallar till pelletsproduktionens tilltänkta säckningsanläggning i Långasjö, gentemot att köpa in engångspallar från en extern leverantör. Detta gäller då för 30 000 engångspallar om året.Intervjuer togs på Södra timber i Långasjö om vilket virke som var lämpligt från företagets sida att bli av med. Detta visade sig vara brädor av 19x75 mm och 75x75 mm. Dessutom beslutades i ett tidigt skede att en engångspall med måtten 1200x800 mm är en bra lösning då detta är europastandardens mått. Olika alternativ togs fram för hur man skulle kunna ta fram materialet och sänka produktionskostnaderna och avsåg då brädor 19x75 och klossvirke 75x75.

Resultat från tre klonförsök med fågelbär, Prunus avium L, i södra Sverige :

This study was based on measurements of growth and shape of 50 clones of wild cherry, Prunus avium L, in south Sweden and aimed at finding out wether or not any of these clones are useful for commercial propagation. Initially, a short assembly of documented knowledge concerning wild cherry as a timber producing tree species was put together. The study of the 50 clones includes information gathered during the fall of 2006 from four trials located in the counties of Blekinge, Småland and Västergöland. The oldest trial, founded in Tranemåla, Blekinge, in 1992, was focused on offspring and aimed at discerning differences between provenances and at developing an adapted plant material. The other experiments were both clone trials and founded in 2002. These are based on 50 individuals selected from the offspring trial in Tranemåla.

Älgexplosionen på 70- och 80-talet, ett hot mot sågverket?

The background of this study is an article in the hunting magazine ?Svensk Jakt? where Karl Hedin claims that his sawmills has not noticed any significant moose damages in the timber. The purpose with the study is to find out the causes to the moose explosion and what it has led to in today?s forests. A questionnaire has been sent out to sawmills in the region Dalarna with the purpose of finding out if sawmills receive moose-damaged timber and what they think about how they foresee future development. There were two causes of the moose explosion, that had effects on the moose population. The first cause was that the moose hunters wanted to raise the moose population, and by raising the calf shooting and by saving the cows they succeeded. The second cause was changing methods in Swedish forestry.

Älgexplosionen på 70- och 80-talet, ett hot mot sågverken?

The background of this study is an article in the hunting magazine ?Svensk Jakt? where Karl Hedin claims that his sawmills has not noticed any significant moose damages in the timber. The purpose with the study is to find out the causes to the moose explosion and what it has led to in today?s forests. A questionnaire has been sent out to sawmills in the region Dalarna with the purpose of finding out if sawmills receive moose-damaged timber and what they think about how they foresee future development. There were two causes of the moose explosion, that had effects on the moose population. The first cause was that the moose hunters wanted to raise the moose population, and by raising the calf shooting and by saving the cows they succeeded. The second cause was changing methods in Swedish forestry.

Glacialgeologi i fjällranden : Undersökning för att spåra värdberget till ett zinkmineraliserat block

The valleys southwest of Storuman has been exploration targets for sulfide mineralizationslike the Laisvall Pb-Zn deposit since the late 1900 when several mineralized boulders wherefound. No previous glaciogeological survey has been made. This report focus on thedirections of local paleoiceflows and glacial transportation in the area of Skikkisjön, thelocation of the westernmost mineralized boulder, found in 2010. The aim of this study hasbeen to create a picture of the glaciogeological evolution of the area in order to determinatepossible hostrock areas. My results suggest that the geomorphology and transportationoccurred during a western icedivide located in the nearby mountainrange.

Tillämpning av nya beräkningsmetoder för branddimensionering av  träkonstruktioner - analyser och jämförelser

To build high-rise buildings made of timber has for long been limited by national laws, due to the lack of knowledge in engineering solutions. Frame structures made of wood has for a long time been associated with major fire hazards and consequently lower safety and this connection is still being made today. The increased environmental awareness in recent years has contributed to the exploitation of indigenous building materials, including wood from our own Swedish forests and has become increasingly common. Increased knowledge about how structures behave in fire and how they can be protected in order to achieve safe timber structures has resulted in a growing interest in these structures in the construction industry. Research in the area is constantly updated and new laws allow any number of storeys in wooden buildings in Sweden as long as the performance requirements are fulfilled.The main part of this work has involved calculations of the fire resistance and load bearing capacity of floor and wall constructions.

Marknadsundersökning av Södra skogsägarnas medlemmar inom Gislaveds verksamhetsområde

This study is done on behalf of Södra skogsägarna in the autumn of 2012. The main purpose of the study is to get an explanation to why some of the members are passive in their forestry, and how Södra can stimulate them to become more active. To achieve this a questionnaire study was conducted on the members of Södra in the community of Gislaved. The result of the study shows that there are many different factors that influence whether the forest owner is active or not. Examples of those factors are timber prices, the forest owner's objectives and the forest owner's financial situation. The main goal for the forest owners in the survey was to obtain high economic result and to increase the standing timber volume for the next generation.

Kejsarsnitt på nötkreatur : indikation, frekvens och utförande

The background of this study is an article in the hunting magazine ?Svensk Jakt? where Karl Hedin claims that his sawmills has not noticed any significant moose damages in the timber. The purpose with the study is to find out the causes to the moose explosion and what it has led to in today?s forests. A questionnaire has been sent out to sawmills in the region Dalarna with the purpose of finding out if sawmills receive moose-damaged timber and what they think about how they foresee future development. There were two causes of the moose explosion, that had effects on the moose population. The first cause was that the moose hunters wanted to raise the moose population, and by raising the calf shooting and by saving the cows they succeeded. The second cause was changing methods in Swedish forestry.

Skogsbristen i Smålands bruksskogar : en studie av träkolsförbrukning vid Storebro Bruk 1793-1850

The forest in the county of Småland has been utilised for a long time. One of the most important forms of utilisation of wood has been charcoaling for the benefit of the iron industry. Shortage of forest in relation to the iron industry, was discussed already in the 17th century in Sweden. The aim of this study was to analyse the purchase and consumption of charcoal at Storebro Bruk, an ironwork in Småland, during the period 1793-1850, as well as analyse the shortage of forest at the time. To determine the utilisation of the forest in the area, I have used historical sources from Storebro Bruksarkiv.

Kvinnors organisering : hur ser svenska kvinnoorganisationer på betydelsen av statligt bidrag?

AbstractC-level essay in political science, by Frida Orlinder, spring semester 2008Supervisor: Susan Marton?Good contracting? ? A study of contracting in public procurement regarding the transportation of school children?Over the last decades models influenced by the market have been gaining influence in public administration all over the world. New Public Management has been presented as a theoretical ?shopping basket? from which concepts can be applied to the administration of municipal services. The purpose of this essay is to investigate in an explorative way how New Public Management (NPM) views contracting and the role of the internal customer in contracting.

Effekt på värdeutfallet av sågad vara vid övergång från 30 till 60 cm moduler : - en fallstudie av Moelven

The purpose of this study is to explain how the value of sawn wood changes when sawn wood are cut in 30 respective 60 cm lengths. The raw material into the saw mill will mainly be bucked in 30cm and 60 cm modules. There will also be two alternatives where the timber will be bucked special lengths, 370, 490 and 550 cm but also in 490 and 550 cm.The method used for the study is to simulate both cutting and sawing the woods. For cutting the simulator Timan is used and for sawing the simulator Timberopt is used. When data is generatedfrom the simulators, calculations of some key figures is done and also how much the revenue need to be increased for the sawn wood in order to cover for the increased costs of changing sawn woodfrom 30 cm to 60 cm modulesThe conclusion is that the single biggest reason, impacting the value of the sawn wood is the cutting at the saw mill.When going from 30 to 60 cm modules, the impact will be that the customers to the saw mill must pay more to increase the revenue by at least 10% for the sawn wood in order to justifice the changein production.It is also possible to increase the value of the products further by bucking the timber in three lengths, 370, 490 and 550 cm, in order to get 12 % increase of the share of longer sawn wood (>= 480 cm)..

God kontrakstyrning? : En studie av kontraktstyrning vid offentlig upphandling av skolskjutstrafik

AbstractC-level essay in political science, by Frida Orlinder, spring semester 2008Supervisor: Susan Marton?Good contracting? ? A study of contracting in public procurement regarding the transportation of school children?Over the last decades models influenced by the market have been gaining influence in public administration all over the world. New Public Management has been presented as a theoretical ?shopping basket? from which concepts can be applied to the administration of municipal services. The purpose of this essay is to investigate in an explorative way how New Public Management (NPM) views contracting and the role of the internal customer in contracting.

Skogsåkeriägares inställning till organisationsförändringar :

There are two groups of haulage contractors in roundwood transport , those who are contracted direct by the transport buyer and those who are connected to a freight company which in its turn is contracted by the transport buyer. Today the roundwood haulage is dominated by contractors with one to two lorries. The effort of coordinating transportation for a transport buyer is dependent on how many communication contacts that must be managed (how many individual haulage contractors the transport buyer has to work with). A structural change in the sector that leads to a decrease in the number of haulage contractors but an increase in the capacity of each contractor, makes it possible for a transport buyer to coordinate transports with fewer communication contacts. The reason why a company reaches a certain size can be explained by the number of contracts it makes and manages.

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