c683-d chap 3a pp63-232:Rock Manual
3.3 Quarried rock – intrinsic properties CIRIA C683 99 1 3 4 10 9 8 7 6 5 2 Major breakagerefers to breakage of individual armour stones along pre-existing defects, as shown in Figure 3.10 for armourstone with different geological origins. Any defects are controlled by the geology of the rock source and the production technique. For example,
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