| 摘要 |
<p>The present invention relates to a synthetic resin sheet having spiral twist locks used in a protective lining for a concrete structure and a method for constructing the lining for a concrete structure using the same, wherein each of the spiral twist locks arranged on the synthetic resin sheet at predetermined distances in a zigzag includes: a support part; and a column part formed on the upper surface of the support part, having a spiral groove on the circumferential surface thereof like a drill tip, and having a sharp end.</p> |
