Fig. 2-Stages in mixing concrete by hand. A—-Flat surface made of timber. A concrete floor or slab can also be used. Sand scraped over the surface. C—Coarse aggregate spread over , the surface. D—Sand and then cement spread over the aggregate. E—Ingredients stacked in a heap. The heap is worked to the other end of the board and then back to its original position. F—The mixture is spread out and a hollow made in the centre. The water is then added and the mixture mixed from the outside in to the centre.
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Bibliographic details
New Zealand Journal of Agriculture, Volume 79, Issue 5, 15 November 1949, Page 453
Word Count
91Fig. 2-Stages in mixing concrete by hand. A—-Flat surface made of timber. A concrete floor or slab can also be used. Sand scraped over the surface. C—Coarse aggregate spread over , the surface. D—Sand and then cement spread over the aggregate. E—Ingredients stacked in a heap. The heap is worked to the other end of the board and then back to its original position. F—The mixture is spread out and a hollow made in the centre. The water is then added and the mixture mixed from the outside in to the centre. New Zealand Journal of Agriculture, Volume 79, Issue 5, 15 November 1949, Page 453
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