| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight block for the substitutional ground in constructing a ground construction on the weak ground. SOLUTION: A lightweight material such as a foam resin material is machined into an E-type block 1, and the surface is machined in a non-slip rugged state 2. The E-type blocks 1 are combined as required to construct the improved ground for constructing a slab or a foundation corresponding to a structure. COPYRIGHT: (C)2003,JPO
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