Paving/shaped stone, to be laid together, has joints with small contact surfaces at a side surface to join stones together and allow supported movement under heavy loads
摘要
<p>The paving or shaped stone has a body (1) with upper (2) and lower (3) sides and a number of side surfaces (4). A side surface has one or more joints (6) to engage a neighboring stone at points with small contact surfaces (7) to support movement when they are joined together.</p>
