Expanding the uses of paper bricks

Jum'a, Eyas (2015) Expanding the uses of paper bricks. BEng dissertation, University of Portsmouth.

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    Paper bricks – moulds of brick made of recycled paper as a primary composition – have already been tested and used (although limited) as good sources of domestic fuel, and this alone saves up on the excessive use of wood for fires. The main purpose of this project is to test and expand the uses of paper bricks, to areas specifically targeted for building construction purposes. The testing and enhancing of paper bricks for construction – whether as light-bearing material or load bearing structures – will greatly benefit construction procedures, costs and their use of natural resources for building. While several testing factors such as the strength, durability, stiffness and water absorptivity, are essential for obtaining a wide spectrum of possible uses for paper bricks, this research is mainly focused on testing them for construction load-bearing purposes.
    The primary research conducted was to test the bricks' compressibility strength. The experiment was carried out and the final results failed the compressibility test, since no breaking point was achieved with all the samples tested. However, it was still possible to approximate that a higher composition of paper rather than wood, yields slightly stronger bricks – particularly when mixed with a binding agent such as glue. In the experiment, results showed that compositions of 70% paper – 30% wood with the addition of glue yielded the highest compressibility strengths, since they demonstrated the smallest decreases length, compared to mixtures without glue, and compositions of 50% paper and 30% wood. Also, cubic moulds proved to have higher compressibility strength than cylindrical moulds. A cylindrical brick of 70% paper with glue decreased 28.2 mm in length when a 2310 N force was applied to it, while a cubic brick of the same composition decreased only 17.2 mm in length when a slightly smaller force of 2650 N was applied to it. These results gave insight in to which direction further research on the matter may proceed.
    Further research into developing paper bricks for construction is indeed feasible, since the literature review has indicated to the success of previous experiments when mixed compositions including recycled paper were tested for load-bearing factors, and the results have met the international minimum requirements for load-bearing bricks. Strong recommendation is placed on re-testing similar products in future projects, but instead, substituting wood with clay as a secondary material. In addition, paper bricks were found to be better thermal insulators than conventional bricks, according to the literature, hence further experiments for thermal properties are also feasible.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Jane Polwin
    Date Deposited: 05 Aug 2015 16:03
    Last Modified: 05 Aug 2015 16:03
    URI: http://eprints.port.ac.uk/id/eprint/17977

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