| 摘要 |
<p>Procedure of locating expansion joints (7) in a concrete bed (3, 4) during manufacture (casting) by locating pre-fabricated joint elements (11, 12) consisting of long rails made of reinforced concrete in pairs as a form and glide path (1, 2) for smoothing and vibrating machines and in such a way that the cavity formed is filled (7) with material which has a lower E-modulus than concrete. The procedure also describes a method when two rails are secured to another by means of an adhesive. The rails (11, 12) are designed to form a tongue and groove (9, 10) between the rail concerned and the associated concrete slab (3, 4). Holes are made for dowels (6, 8) which extend from one slab to the other through the joint element and thus prevent edge raising from occuring later on.</p> |
