| 摘要 |
<p>A mortar joint board capable of easily connecting concrete secondary product blocks, easily standardizing appearance, and easily correcting and repairing a damage at site, wherein a mortar-formed joint board generally similar to and reduced by a specified size less than the shape of the connection face of the concrete secondary product blocs to be connected is inserted between the blocs, as necessary, a recessed part of the applying adhesive agent or adhesive mortar thereto can be provided in one surface or both surfaces of the joint board or a cushioning of a sponge-like damping member can also be installed on at least one surface of the joint board.</p> |
