| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a concrete curing system and method having movable water spray equipment as a measure method for preventing cracking of concrete constructed on a continuum of a tunnel or box culvert. Ž<P>SOLUTION: A support member is assembled at a position separated from the concrete surface of a body structure by 100-300 mm. Wheels are attached to the leg parts of the support member. Water spray tools 3 are installed, and the support member is covered with a waterproof sheet 2. The concrete curing system is installed immediately after removing concrete placing forms, and water spraying is started and continued for 24-72 hours. After completing the water spraying, the concrete curing system can move in this state by one span of concrete placing. A device warming water to adjust water spray temperature can be mounted. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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