Realization of the process of laying of liquid plastic substance on the vertical plane as well as its compacting and packing with the use of vibrations is proposed. Content of air bubbles in the compacted (packed) concrete is diminished down to the minimum due to the vibrational action. Furthermore, destruction of the plastered layer because of action of the frozen water present in pores is reduced significantly due to the increased contact area of concrete with the wall
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27 October 2009
27 November 2009
31 March 2010
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