| 摘要 |
PROBLEM TO BE SOLVED: To provide shell-containing concrete with good balance among recycling rate, cost, and quality of shell, and its production method. SOLUTION: The shell-containing concrete is a mixture containing shell chips prepared by crashing shells, such as of scallop or oyster, as a part of a coarse aggregate of concrete. The mixed quantity of the shell chips is 20-60 vol.% of the coarse aggregate in a concrete proportioning. COPYRIGHT: (C)2008,JPO&INPIT
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