Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 126
masonry is evidently largelydependent upon the shearing and tensile strength of the mortar andis therefore comparatively weak. Random rubble (Fig. 31), whichhas joints that are not in general horizontal or vertical, or evenapproximately so, must be considered as a weak type of masonry.In fact the… … Fig. 31. Random Rubble. 145. Stone Cutting and Dressing. ]\Iany of the requirementsand methods of stone dressing liave already been stated in the defi-nitions given above. Frequently a rock is so stratified that it can besplit up into blocks whose faces are so nearly parallel and perpendicu-lar…
Architecture · Building
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