| 摘要 |
PROBLEM TO BE SOLVED: To provide a cover material which is used for curing of cast concrete involved in fundamental concrete, wave-elimination/foot protection block or seaweed bed creation block, is superior in workability, and superior in heat retention and water retention to increase the concrete strength and decrease the crazing without affecting of climatic condition.SOLUTION: A cover material consists of a fabric cloth using multifilament yarn for the warp and the weft. A cover factor of the fabric cloth is more than 1800, and the total single yarn number of the warp and the weft per 25.4 mm is 6,000-40,000.SELECTED DRAWING: None |
