| 摘要 |
<p>A method of laying concrete slabs comprising: • providing shuttering having a regular wave shape along a side of a first slab to be cast at which side a second slab will subsequently be cast; · casting the first slab; • removing the regular-wave-shape shuttering; • casting a second slab, whereby the slabs have inter-digitated protrusions of the regular wave shape along their adjoining sides.</p> |
