| 摘要 |
PROBLEM TO BE SOLVED: To provide a water tank for fire capable of reducing occurrence of a noise in vibration compaction molding of the tank using an intermediately flowing concrete and containing a little surface bubbles. SOLUTION: The water tank for fire comprises the intermediately flowing concrete. In this tank, the placing speed of the concrete into a form is 10 to 90 cm/min. The concrete is vibration compacted at the acceleration of the vibration of 10 to 70 m/sec<2> at the surface of the form. |
