Essays about: "span length"

Showing result 1 - 5 of 59 essays containing the words span length.

  1. 1. Harmonised traffic load model between Eurocode 1 - part 2 (EN 1991-2) and TRV specifications : A pilot study on reinforced concrete portal frame bridges

    University essay from KTH/Bro- och stålbyggnad

    Author : Mubashar Amir Ablahad; Nuredin Rasslan; [2023]
    Keywords : ;

    Abstract : The advancement of society has led to an increase in demand for infrastructure, particularly bridges, which are designed in accordance with different design codes. In Sweden, bridge design adheres to the Eurocode and national code (TRV specifications), with the most adverse scenario of the two codes determining the basis for bridge design. READ MORE

  3. 2. Anaerobic cellulose degrading bacteria isolated from biogas plants

    University essay from SLU/Department of Molecular Sciences

    Author : Caroline Sjöberg; [2023]
    Keywords : anaerobic bacteria; biogas; cellulose; cellobiose; VFA; enzyme activity; TRFLP;

    Abstract : Two cellulose degrading bacteria, named BCISO-4 and DC1-18-4, were isolated from samples retrieved from two large scale biogas-plants. In order to investigate and determine information regarding their growth preferences multiple tests were performed. READ MORE

  4. 3. The design of a hydraulic equalizer bar for the feeding mechanism on forest harvester heads

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Arvid Söderlund; [2023]
    Keywords : Harvester; Harvester head; Komatsu Forest; Hydraulics; Equalizer bar; Parallellstag; Stag; Skogsmaskin; Skördare; Aggregat; Skog;

    Abstract : Due to the importance of a correct tree placement and the wear that occurs to equalizer bars inharvester heads, Komatsu Forest AB in Umeå was interested if the bar could be replaced with ahydraulic system. According to Komatsu, the problems were that the equalizer bars that are responsible forsynchronizing the delimbing knives and feeding mechanism add weight, take up space and have atendency to break before their life expectancy. READ MORE

  5. 4. Analysis of combined response of railway bridge and track : A parametric finite element model of the bridge across Bryngeån

    University essay from KTH/Bro- och stålbyggnad

    Author : Moa Nolinder; [2023]
    Keywords : ;

    Abstract : When designing a railway bridge it is common to consider and designthe bridge structure and the track structure separately. However, theyare connected and that interaction generates a combined response and aforce transfer between them. READ MORE

  6. 5. The effect of life history and weather on onset of flowering and length of flowering period of agricultural weeds

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Amanda Karpaty Wickbom; [2023]
    Keywords : global warming; agricultural weeds; first flowering; flowering phenology;

    Abstract : With a warming climate and the usage of monocultures in food production it is possible we may face more issues concerning food insecurity in the future as pollinators struggle to find food in agricultural landscapes. Therefore, it is of value to know whether common agricultural weeds are important sources of food for pollinators. READ MORE