| 摘要 |
PROBLEM TO BE SOLVED: To provide a sandbag block for a retaining wall for earth retaining, for securing earth retaining work, stairs, a passage and flat land in a place hard in material carrying work with inexpensive light work. SOLUTION: This sandbag block is orderly juxtaposed in many rows in many stages as a structural vessel in a state of providing a skeleton in a sandbag, and uses the structural vessel put in a sandbag state when earth flows in by natural force by being only juxtaposed in a structure for storing the contents after being juxtaposed for stacking. COPYRIGHT: (C)2006,JPO&NCIPI
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